./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e2fb8bed 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/egcd3-ll_valuebound1.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 40c004ecbeb3948e318f4c5fc8011bd289b059bb9dbb2959c45853a9680cf20f --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-09 02:12:17,817 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-09 02:12:17,879 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-03-09 02:12:17,885 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-09 02:12:17,886 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-09 02:12:17,905 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-09 02:12:17,906 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-09 02:12:17,906 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-09 02:12:17,906 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-09 02:12:17,906 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-09 02:12:17,907 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-09 02:12:17,907 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-09 02:12:17,907 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-09 02:12:17,907 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-09 02:12:17,907 INFO L153 SettingsManager]: * Use SBE=true [2025-03-09 02:12:17,908 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-09 02:12:17,908 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-09 02:12:17,908 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-09 02:12:17,908 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-09 02:12:17,908 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-09 02:12:17,908 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-09 02:12:17,908 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-09 02:12:17,908 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-09 02:12:17,909 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-09 02:12:17,909 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-09 02:12:17,909 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-09 02:12:17,909 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-09 02:12:17,909 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-09 02:12:17,909 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-09 02:12:17,909 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-09 02:12:17,909 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-09 02:12:17,909 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-09 02:12:17,909 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-09 02:12:17,909 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-09 02:12:17,910 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 02:12:17,910 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-09 02:12:17,910 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-09 02:12:17,910 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-09 02:12:17,910 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-09 02:12:17,910 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-09 02:12:17,910 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-09 02:12:17,910 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-09 02:12:17,910 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-09 02:12:17,910 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-09 02:12:17,911 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-09 02:12:17,911 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 -> 40c004ecbeb3948e318f4c5fc8011bd289b059bb9dbb2959c45853a9680cf20f [2025-03-09 02:12:18,107 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-09 02:12:18,113 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-09 02:12:18,115 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-09 02:12:18,116 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-09 02:12:18,116 INFO L274 PluginConnector]: CDTParser initialized [2025-03-09 02:12:18,117 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound1.c [2025-03-09 02:12:19,233 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48b19fda4/236ab3cb4eef41f2a736cfade31c79ed/FLAGc70f53f53 [2025-03-09 02:12:19,451 INFO L384 CDTParser]: Found 1 translation units. [2025-03-09 02:12:19,457 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound1.c [2025-03-09 02:12:19,464 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48b19fda4/236ab3cb4eef41f2a736cfade31c79ed/FLAGc70f53f53 [2025-03-09 02:12:19,796 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48b19fda4/236ab3cb4eef41f2a736cfade31c79ed [2025-03-09 02:12:19,798 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-09 02:12:19,799 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-09 02:12:19,799 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-09 02:12:19,800 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-09 02:12:19,803 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-09 02:12:19,804 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 02:12:19" (1/1) ... [2025-03-09 02:12:19,804 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38784a1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:12:19, skipping insertion in model container [2025-03-09 02:12:19,804 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 02:12:19" (1/1) ... [2025-03-09 02:12:19,814 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-09 02:12:19,941 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 02:12:19,948 INFO L200 MainTranslator]: Completed pre-run [2025-03-09 02:12:19,966 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 02:12:19,978 INFO L204 MainTranslator]: Completed translation [2025-03-09 02:12:19,979 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:12:19 WrapperNode [2025-03-09 02:12:19,979 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-09 02:12:19,980 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-09 02:12:19,980 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-09 02:12:19,980 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-09 02:12:19,985 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:12:19" (1/1) ... [2025-03-09 02:12:19,989 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:12:19" (1/1) ... [2025-03-09 02:12:20,007 INFO L138 Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 130 [2025-03-09 02:12:20,007 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-09 02:12:20,008 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-09 02:12:20,008 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-09 02:12:20,008 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-09 02:12:20,014 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:12:19" (1/1) ... [2025-03-09 02:12:20,014 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:12:19" (1/1) ... [2025-03-09 02:12:20,019 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:12:19" (1/1) ... [2025-03-09 02:12:20,033 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]. [2025-03-09 02:12:20,033 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:12:19" (1/1) ... [2025-03-09 02:12:20,033 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:12:19" (1/1) ... [2025-03-09 02:12:20,036 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:12:19" (1/1) ... [2025-03-09 02:12:20,040 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:12:19" (1/1) ... [2025-03-09 02:12:20,041 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:12:19" (1/1) ... [2025-03-09 02:12:20,041 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:12:19" (1/1) ... [2025-03-09 02:12:20,042 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-09 02:12:20,047 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-09 02:12:20,047 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-09 02:12:20,047 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-09 02:12:20,048 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:12:19" (1/1) ... [2025-03-09 02:12:20,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 02:12:20,061 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:12:20,077 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) [2025-03-09 02:12:20,080 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 [2025-03-09 02:12:20,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-09 02:12:20,102 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-09 02:12:20,103 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-09 02:12:20,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-09 02:12:20,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-09 02:12:20,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-09 02:12:20,103 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-09 02:12:20,103 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-09 02:12:20,154 INFO L256 CfgBuilder]: Building ICFG [2025-03-09 02:12:20,155 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-09 02:12:20,481 INFO L? ?]: Removed 132 outVars from TransFormulas that were not future-live. [2025-03-09 02:12:20,481 INFO L307 CfgBuilder]: Performing block encoding [2025-03-09 02:12:20,488 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-09 02:12:20,488 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-09 02:12:20,488 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 02:12:20 BoogieIcfgContainer [2025-03-09 02:12:20,488 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-09 02:12:20,490 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-09 02:12:20,490 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-09 02:12:20,493 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-09 02:12:20,493 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.03 02:12:19" (1/3) ... [2025-03-09 02:12:20,493 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@246508c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 02:12:20, skipping insertion in model container [2025-03-09 02:12:20,493 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:12:19" (2/3) ... [2025-03-09 02:12:20,493 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@246508c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 02:12:20, skipping insertion in model container [2025-03-09 02:12:20,493 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 02:12:20" (3/3) ... [2025-03-09 02:12:20,494 INFO L128 eAbstractionObserver]: Analyzing ICFG egcd3-ll_valuebound1.c [2025-03-09 02:12:20,510 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-09 02:12:20,511 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG egcd3-ll_valuebound1.c that has 3 procedures, 131 locations, 1 initial locations, 3 loop locations, and 50 error locations. [2025-03-09 02:12:20,544 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-09 02:12:20,555 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;@611deb26, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-09 02:12:20,555 INFO L334 AbstractCegarLoop]: Starting to check reachability of 50 error locations. [2025-03-09 02:12:20,560 INFO L276 IsEmpty]: Start isEmpty. Operand has 131 states, 69 states have (on average 1.8405797101449275) internal successors, (127), 119 states have internal predecessors, (127), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-03-09 02:12:20,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2025-03-09 02:12:20,567 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:12:20,568 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:12:20,568 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-09 02:12:20,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:12:20,574 INFO L85 PathProgramCache]: Analyzing trace with hash 1913125955, now seen corresponding path program 1 times [2025-03-09 02:12:20,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:12:20,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052451299] [2025-03-09 02:12:20,582 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:12:20,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:12:20,633 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-03-09 02:12:20,645 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-03-09 02:12:20,646 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:12:20,646 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:12:20,695 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-03-09 02:12:20,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:12:20,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052451299] [2025-03-09 02:12:20,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052451299] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:12:20,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1382509928] [2025-03-09 02:12:20,697 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:12:20,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:12:20,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:12:20,705 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) [2025-03-09 02:12:20,708 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-09 02:12:20,742 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-03-09 02:12:20,755 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-03-09 02:12:20,755 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:12:20,755 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:12:20,756 INFO L256 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-09 02:12:20,759 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:12:20,767 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-03-09 02:12:20,768 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:12:20,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1382509928] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:12:20,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:12:20,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-09 02:12:20,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359456983] [2025-03-09 02:12:20,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:12:20,779 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-09 02:12:20,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:12:20,794 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-09 02:12:20,795 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-09 02:12:20,798 INFO L87 Difference]: Start difference. First operand has 131 states, 69 states have (on average 1.8405797101449275) internal successors, (127), 119 states have internal predecessors, (127), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-09 02:12:20,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:12:20,824 INFO L93 Difference]: Finished difference Result 258 states and 294 transitions. [2025-03-09 02:12:20,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-09 02:12:20,825 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 26 [2025-03-09 02:12:20,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:12:20,830 INFO L225 Difference]: With dead ends: 258 [2025-03-09 02:12:20,830 INFO L226 Difference]: Without dead ends: 124 [2025-03-09 02:12:20,833 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-09 02:12:20,835 INFO L435 NwaCegarLoop]: 139 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, 139 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 [2025-03-09 02:12:20,837 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 02:12:20,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2025-03-09 02:12:20,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2025-03-09 02:12:20,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 64 states have (on average 1.8125) internal successors, (116), 113 states have internal predecessors, (116), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-03-09 02:12:20,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 132 transitions. [2025-03-09 02:12:20,870 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 132 transitions. Word has length 26 [2025-03-09 02:12:20,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:12:20,872 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 132 transitions. [2025-03-09 02:12:20,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-09 02:12:20,872 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 132 transitions. [2025-03-09 02:12:20,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2025-03-09 02:12:20,873 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:12:20,873 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:12:20,879 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-09 02:12:21,074 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-03-09 02:12:21,074 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-09 02:12:21,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:12:21,075 INFO L85 PathProgramCache]: Analyzing trace with hash 1891180577, now seen corresponding path program 1 times [2025-03-09 02:12:21,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:12:21,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410988497] [2025-03-09 02:12:21,075 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:12:21,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:12:21,080 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-03-09 02:12:21,097 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-03-09 02:12:21,098 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:12:21,098 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:12:21,228 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-03-09 02:12:21,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:12:21,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410988497] [2025-03-09 02:12:21,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410988497] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:12:21,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:12:21,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-09 02:12:21,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841935923] [2025-03-09 02:12:21,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:12:21,230 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-09 02:12:21,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:12:21,231 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-09 02:12:21,231 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-09 02:12:21,231 INFO L87 Difference]: Start difference. First operand 124 states and 132 transitions. Second operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-09 02:12:21,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:12:21,528 INFO L93 Difference]: Finished difference Result 210 states and 230 transitions. [2025-03-09 02:12:21,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-09 02:12:21,529 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 26 [2025-03-09 02:12:21,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:12:21,530 INFO L225 Difference]: With dead ends: 210 [2025-03-09 02:12:21,530 INFO L226 Difference]: Without dead ends: 182 [2025-03-09 02:12:21,531 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2025-03-09 02:12:21,531 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 200 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 243 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-09 02:12:21,531 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 317 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 243 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-09 02:12:21,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2025-03-09 02:12:21,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 125. [2025-03-09 02:12:21,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 65 states have (on average 1.8) internal successors, (117), 114 states have internal predecessors, (117), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-03-09 02:12:21,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 133 transitions. [2025-03-09 02:12:21,548 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 133 transitions. Word has length 26 [2025-03-09 02:12:21,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:12:21,548 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 133 transitions. [2025-03-09 02:12:21,548 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-09 02:12:21,548 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 133 transitions. [2025-03-09 02:12:21,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2025-03-09 02:12:21,549 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:12:21,549 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:12:21,549 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-09 02:12:21,549 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-09 02:12:21,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:12:21,549 INFO L85 PathProgramCache]: Analyzing trace with hash -1502939621, now seen corresponding path program 1 times [2025-03-09 02:12:21,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:12:21,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132082492] [2025-03-09 02:12:21,549 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:12:21,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:12:21,556 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-03-09 02:12:21,571 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-03-09 02:12:21,571 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:12:21,571 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:12:21,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1730985960] [2025-03-09 02:12:21,573 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:12:21,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:12:21,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:12:21,575 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) [2025-03-09 02:12:21,577 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-09 02:12:21,608 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-03-09 02:12:21,619 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-03-09 02:12:21,619 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:12:21,619 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:12:21,620 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-09 02:12:21,621 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:12:21,631 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-09 02:12:21,631 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:12:21,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:12:21,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132082492] [2025-03-09 02:12:21,631 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:12:21,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1730985960] [2025-03-09 02:12:21,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1730985960] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:12:21,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:12:21,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 02:12:21,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500439161] [2025-03-09 02:12:21,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:12:21,632 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 02:12:21,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:12:21,632 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 02:12:21,632 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:12:21,632 INFO L87 Difference]: Start difference. First operand 125 states and 133 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-09 02:12:21,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:12:21,689 INFO L93 Difference]: Finished difference Result 194 states and 210 transitions. [2025-03-09 02:12:21,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 02:12:21,690 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 27 [2025-03-09 02:12:21,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:12:21,691 INFO L225 Difference]: With dead ends: 194 [2025-03-09 02:12:21,691 INFO L226 Difference]: Without dead ends: 192 [2025-03-09 02:12:21,692 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:12:21,692 INFO L435 NwaCegarLoop]: 125 mSDtfsCounter, 63 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 02:12:21,692 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 235 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 02:12:21,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2025-03-09 02:12:21,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 159. [2025-03-09 02:12:21,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 95 states have (on average 1.8421052631578947) internal successors, (175), 144 states have internal predecessors, (175), 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) [2025-03-09 02:12:21,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 199 transitions. [2025-03-09 02:12:21,712 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 199 transitions. Word has length 27 [2025-03-09 02:12:21,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:12:21,712 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 199 transitions. [2025-03-09 02:12:21,712 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-09 02:12:21,712 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 199 transitions. [2025-03-09 02:12:21,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2025-03-09 02:12:21,713 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:12:21,713 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:12:21,720 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-03-09 02:12:21,913 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2025-03-09 02:12:21,914 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-09 02:12:21,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:12:21,914 INFO L85 PathProgramCache]: Analyzing trace with hash 653508208, now seen corresponding path program 1 times [2025-03-09 02:12:21,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:12:21,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178400211] [2025-03-09 02:12:21,914 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:12:21,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:12:21,922 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-03-09 02:12:21,933 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-03-09 02:12:21,933 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:12:21,933 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:12:22,105 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-09 02:12:22,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:12:22,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178400211] [2025-03-09 02:12:22,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178400211] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:12:22,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [908168188] [2025-03-09 02:12:22,105 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:12:22,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:12:22,106 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:12:22,107 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) [2025-03-09 02:12:22,108 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-09 02:12:22,128 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-03-09 02:12:22,138 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-03-09 02:12:22,138 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:12:22,138 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:12:22,138 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-09 02:12:22,139 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:12:22,157 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-09 02:12:22,157 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:12:22,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [908168188] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:12:22,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:12:22,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [8] total 9 [2025-03-09 02:12:22,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130621] [2025-03-09 02:12:22,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:12:22,157 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 02:12:22,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:12:22,158 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 02:12:22,158 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-03-09 02:12:22,158 INFO L87 Difference]: Start difference. First operand 159 states and 199 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-09 02:12:22,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:12:22,259 INFO L93 Difference]: Finished difference Result 190 states and 208 transitions. [2025-03-09 02:12:22,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 02:12:22,260 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 28 [2025-03-09 02:12:22,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:12:22,261 INFO L225 Difference]: With dead ends: 190 [2025-03-09 02:12:22,261 INFO L226 Difference]: Without dead ends: 186 [2025-03-09 02:12:22,262 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-03-09 02:12:22,262 INFO L435 NwaCegarLoop]: 119 mSDtfsCounter, 56 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:12:22,262 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 217 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:12:22,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2025-03-09 02:12:22,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 162. [2025-03-09 02:12:22,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 98 states have (on average 1.7959183673469388) internal successors, (176), 147 states have internal predecessors, (176), 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) [2025-03-09 02:12:22,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 200 transitions. [2025-03-09 02:12:22,278 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 200 transitions. Word has length 28 [2025-03-09 02:12:22,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:12:22,278 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 200 transitions. [2025-03-09 02:12:22,278 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-09 02:12:22,278 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 200 transitions. [2025-03-09 02:12:22,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2025-03-09 02:12:22,279 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:12:22,279 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:12:22,284 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-03-09 02:12:22,480 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:12:22,480 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-09 02:12:22,481 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:12:22,481 INFO L85 PathProgramCache]: Analyzing trace with hash -1215961863, now seen corresponding path program 1 times [2025-03-09 02:12:22,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:12:22,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728994998] [2025-03-09 02:12:22,485 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:12:22,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:12:22,491 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-03-09 02:12:22,507 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-03-09 02:12:22,507 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:12:22,507 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:12:22,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [659110852] [2025-03-09 02:12:22,508 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:12:22,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:12:22,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:12:22,510 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) [2025-03-09 02:12:22,511 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-09 02:12:22,532 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-03-09 02:12:22,540 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-03-09 02:12:22,541 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:12:22,541 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:12:22,541 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-09 02:12:22,542 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:12:22,600 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-09 02:12:22,601 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:12:22,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:12:22,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728994998] [2025-03-09 02:12:22,601 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:12:22,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [659110852] [2025-03-09 02:12:22,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [659110852] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:12:22,601 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:12:22,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 02:12:22,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899638121] [2025-03-09 02:12:22,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:12:22,602 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:12:22,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:12:22,602 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:12:22,602 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:12:22,602 INFO L87 Difference]: Start difference. First operand 162 states and 200 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-09 02:12:22,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:12:22,726 INFO L93 Difference]: Finished difference Result 181 states and 200 transitions. [2025-03-09 02:12:22,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 02:12:22,727 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 29 [2025-03-09 02:12:22,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:12:22,728 INFO L225 Difference]: With dead ends: 181 [2025-03-09 02:12:22,728 INFO L226 Difference]: Without dead ends: 180 [2025-03-09 02:12:22,728 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 [2025-03-09 02:12:22,729 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 136 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:12:22,729 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 196 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:12:22,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2025-03-09 02:12:22,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 162. [2025-03-09 02:12:22,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 98 states have (on average 1.7857142857142858) internal successors, (175), 147 states have internal predecessors, (175), 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) [2025-03-09 02:12:22,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 199 transitions. [2025-03-09 02:12:22,744 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 199 transitions. Word has length 29 [2025-03-09 02:12:22,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:12:22,744 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 199 transitions. [2025-03-09 02:12:22,745 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-09 02:12:22,745 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 199 transitions. [2025-03-09 02:12:22,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2025-03-09 02:12:22,745 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:12:22,745 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:12:22,752 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-03-09 02:12:22,950 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:12:22,950 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-09 02:12:22,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:12:22,951 INFO L85 PathProgramCache]: Analyzing trace with hash 956163118, now seen corresponding path program 1 times [2025-03-09 02:12:22,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:12:22,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104631882] [2025-03-09 02:12:22,951 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:12:22,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:12:22,955 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-03-09 02:12:22,958 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-03-09 02:12:22,958 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:12:22,958 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:12:23,035 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-09 02:12:23,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:12:23,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104631882] [2025-03-09 02:12:23,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104631882] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:12:23,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:12:23,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-09 02:12:23,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842167906] [2025-03-09 02:12:23,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:12:23,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-09 02:12:23,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:12:23,037 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-09 02:12:23,037 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-09 02:12:23,037 INFO L87 Difference]: Start difference. First operand 162 states and 199 transitions. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-09 02:12:23,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:12:23,166 INFO L93 Difference]: Finished difference Result 185 states and 203 transitions. [2025-03-09 02:12:23,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-09 02:12:23,170 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 30 [2025-03-09 02:12:23,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:12:23,171 INFO L225 Difference]: With dead ends: 185 [2025-03-09 02:12:23,171 INFO L226 Difference]: Without dead ends: 184 [2025-03-09 02:12:23,171 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-09 02:12:23,171 INFO L435 NwaCegarLoop]: 121 mSDtfsCounter, 53 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:12:23,171 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 339 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:12:23,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2025-03-09 02:12:23,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 163. [2025-03-09 02:12:23,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 99 states have (on average 1.7777777777777777) internal successors, (176), 148 states have internal predecessors, (176), 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) [2025-03-09 02:12:23,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 200 transitions. [2025-03-09 02:12:23,182 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 200 transitions. Word has length 30 [2025-03-09 02:12:23,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:12:23,183 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 200 transitions. [2025-03-09 02:12:23,183 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-09 02:12:23,183 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 200 transitions. [2025-03-09 02:12:23,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2025-03-09 02:12:23,183 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:12:23,183 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:12:23,183 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-09 02:12:23,183 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-09 02:12:23,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:12:23,186 INFO L85 PathProgramCache]: Analyzing trace with hash 959887984, now seen corresponding path program 1 times [2025-03-09 02:12:23,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:12:23,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119108153] [2025-03-09 02:12:23,186 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:12:23,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:12:23,193 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-03-09 02:12:23,198 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-03-09 02:12:23,198 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:12:23,198 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:12:23,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2087458883] [2025-03-09 02:12:23,199 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:12:23,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:12:23,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:12:23,201 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) [2025-03-09 02:12:23,202 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-09 02:12:23,223 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-03-09 02:12:23,234 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-03-09 02:12:23,234 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:12:23,234 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:12:23,235 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-09 02:12:23,237 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:12:23,283 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-09 02:12:23,283 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:12:23,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:12:23,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119108153] [2025-03-09 02:12:23,284 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:12:23,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2087458883] [2025-03-09 02:12:23,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2087458883] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:12:23,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:12:23,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 02:12:23,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702341217] [2025-03-09 02:12:23,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:12:23,284 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:12:23,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:12:23,288 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:12:23,288 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:12:23,288 INFO L87 Difference]: Start difference. First operand 163 states and 200 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-09 02:12:23,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:12:23,374 INFO L93 Difference]: Finished difference Result 182 states and 200 transitions. [2025-03-09 02:12:23,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 02:12:23,375 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 30 [2025-03-09 02:12:23,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:12:23,376 INFO L225 Difference]: With dead ends: 182 [2025-03-09 02:12:23,376 INFO L226 Difference]: Without dead ends: 181 [2025-03-09 02:12:23,376 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 [2025-03-09 02:12:23,376 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 135 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:12:23,376 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 196 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:12:23,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2025-03-09 02:12:23,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 163. [2025-03-09 02:12:23,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 99 states have (on average 1.7676767676767677) internal successors, (175), 148 states have internal predecessors, (175), 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) [2025-03-09 02:12:23,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 199 transitions. [2025-03-09 02:12:23,390 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 199 transitions. Word has length 30 [2025-03-09 02:12:23,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:12:23,390 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 199 transitions. [2025-03-09 02:12:23,390 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-09 02:12:23,390 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 199 transitions. [2025-03-09 02:12:23,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2025-03-09 02:12:23,392 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:12:23,392 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:12:23,398 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-03-09 02:12:23,592 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:12:23,593 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-09 02:12:23,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:12:23,594 INFO L85 PathProgramCache]: Analyzing trace with hash -423714404, now seen corresponding path program 1 times [2025-03-09 02:12:23,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:12:23,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997729248] [2025-03-09 02:12:23,594 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:12:23,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:12:23,598 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-03-09 02:12:23,605 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-03-09 02:12:23,606 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:12:23,607 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:12:23,695 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-09 02:12:23,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:12:23,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997729248] [2025-03-09 02:12:23,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [997729248] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:12:23,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [810762892] [2025-03-09 02:12:23,695 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:12:23,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:12:23,696 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:12:23,698 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) [2025-03-09 02:12:23,699 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-03-09 02:12:23,717 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-03-09 02:12:23,725 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-03-09 02:12:23,725 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:12:23,725 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:12:23,725 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-09 02:12:23,726 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:12:23,764 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-09 02:12:23,764 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:12:23,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [810762892] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:12:23,765 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:12:23,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 10 [2025-03-09 02:12:23,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122149533] [2025-03-09 02:12:23,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:12:23,765 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:12:23,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:12:23,766 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:12:23,766 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2025-03-09 02:12:23,766 INFO L87 Difference]: Start difference. First operand 163 states and 199 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-09 02:12:23,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:12:23,936 INFO L93 Difference]: Finished difference Result 183 states and 201 transitions. [2025-03-09 02:12:23,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 02:12:23,936 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 31 [2025-03-09 02:12:23,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:12:23,937 INFO L225 Difference]: With dead ends: 183 [2025-03-09 02:12:23,937 INFO L226 Difference]: Without dead ends: 182 [2025-03-09 02:12:23,937 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2025-03-09 02:12:23,938 INFO L435 NwaCegarLoop]: 115 mSDtfsCounter, 52 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:12:23,938 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 285 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:12:23,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2025-03-09 02:12:23,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 164. [2025-03-09 02:12:23,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 100 states have (on average 1.76) internal successors, (176), 149 states have internal predecessors, (176), 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) [2025-03-09 02:12:23,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 200 transitions. [2025-03-09 02:12:23,947 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 200 transitions. Word has length 31 [2025-03-09 02:12:23,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:12:23,948 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 200 transitions. [2025-03-09 02:12:23,948 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-09 02:12:23,948 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 200 transitions. [2025-03-09 02:12:23,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2025-03-09 02:12:23,949 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:12:23,949 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:12:23,956 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-03-09 02:12:24,150 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:12:24,150 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-09 02:12:24,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:12:24,151 INFO L85 PathProgramCache]: Analyzing trace with hash -308243497, now seen corresponding path program 1 times [2025-03-09 02:12:24,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:12:24,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235028465] [2025-03-09 02:12:24,151 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:12:24,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:12:24,154 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-03-09 02:12:24,158 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-03-09 02:12:24,158 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:12:24,158 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:12:24,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1318911459] [2025-03-09 02:12:24,159 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:12:24,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:12:24,159 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:12:24,160 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) [2025-03-09 02:12:24,162 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-03-09 02:12:24,179 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-03-09 02:12:24,187 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-03-09 02:12:24,187 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:12:24,187 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:12:24,187 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-09 02:12:24,188 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:12:24,220 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-09 02:12:24,220 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:12:24,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:12:24,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235028465] [2025-03-09 02:12:24,220 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:12:24,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1318911459] [2025-03-09 02:12:24,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1318911459] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:12:24,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:12:24,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 02:12:24,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530340122] [2025-03-09 02:12:24,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:12:24,221 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:12:24,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:12:24,221 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:12:24,221 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:12:24,221 INFO L87 Difference]: Start difference. First operand 164 states and 200 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-09 02:12:24,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:12:24,321 INFO L93 Difference]: Finished difference Result 190 states and 206 transitions. [2025-03-09 02:12:24,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 02:12:24,321 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 31 [2025-03-09 02:12:24,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:12:24,323 INFO L225 Difference]: With dead ends: 190 [2025-03-09 02:12:24,323 INFO L226 Difference]: Without dead ends: 189 [2025-03-09 02:12:24,323 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:12:24,324 INFO L435 NwaCegarLoop]: 121 mSDtfsCounter, 99 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:12:24,324 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 237 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:12:24,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2025-03-09 02:12:24,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 164. [2025-03-09 02:12:24,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 100 states have (on average 1.75) internal successors, (175), 149 states have internal predecessors, (175), 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) [2025-03-09 02:12:24,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 199 transitions. [2025-03-09 02:12:24,334 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 199 transitions. Word has length 31 [2025-03-09 02:12:24,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:12:24,334 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 199 transitions. [2025-03-09 02:12:24,335 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-09 02:12:24,335 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 199 transitions. [2025-03-09 02:12:24,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2025-03-09 02:12:24,335 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:12:24,335 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:12:24,341 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-03-09 02:12:24,535 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:12:24,536 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-09 02:12:24,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:12:24,536 INFO L85 PathProgramCache]: Analyzing trace with hash -250244628, now seen corresponding path program 1 times [2025-03-09 02:12:24,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:12:24,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519255470] [2025-03-09 02:12:24,536 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:12:24,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:12:24,539 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-03-09 02:12:24,543 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-03-09 02:12:24,543 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:12:24,543 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:12:24,658 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-09 02:12:24,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:12:24,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519255470] [2025-03-09 02:12:24,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519255470] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:12:24,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2111917212] [2025-03-09 02:12:24,659 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:12:24,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:12:24,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:12:24,661 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) [2025-03-09 02:12:24,663 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-03-09 02:12:24,684 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-03-09 02:12:24,692 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-03-09 02:12:24,693 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:12:24,693 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:12:24,693 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-09 02:12:24,694 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:12:24,710 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-09 02:12:24,710 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:12:24,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2111917212] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:12:24,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:12:24,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [8] total 9 [2025-03-09 02:12:24,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617428938] [2025-03-09 02:12:24,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:12:24,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 02:12:24,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:12:24,712 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 02:12:24,712 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-03-09 02:12:24,712 INFO L87 Difference]: Start difference. First operand 164 states and 199 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-09 02:12:24,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:12:24,777 INFO L93 Difference]: Finished difference Result 274 states and 350 transitions. [2025-03-09 02:12:24,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 02:12:24,777 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 32 [2025-03-09 02:12:24,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:12:24,779 INFO L225 Difference]: With dead ends: 274 [2025-03-09 02:12:24,779 INFO L226 Difference]: Without dead ends: 268 [2025-03-09 02:12:24,780 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-03-09 02:12:24,780 INFO L435 NwaCegarLoop]: 110 mSDtfsCounter, 55 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:12:24,780 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 212 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:12:24,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2025-03-09 02:12:24,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 236. [2025-03-09 02:12:24,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 164 states have (on average 1.7195121951219512) internal successors, (282), 213 states have internal predecessors, (282), 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) [2025-03-09 02:12:24,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 322 transitions. [2025-03-09 02:12:24,796 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 322 transitions. Word has length 32 [2025-03-09 02:12:24,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:12:24,796 INFO L471 AbstractCegarLoop]: Abstraction has 236 states and 322 transitions. [2025-03-09 02:12:24,796 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-09 02:12:24,796 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 322 transitions. [2025-03-09 02:12:24,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2025-03-09 02:12:24,797 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:12:24,797 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:12:24,804 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-03-09 02:12:25,002 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2025-03-09 02:12:25,002 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-09 02:12:25,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:12:25,003 INFO L85 PathProgramCache]: Analyzing trace with hash -965613746, now seen corresponding path program 1 times [2025-03-09 02:12:25,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:12:25,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283113801] [2025-03-09 02:12:25,003 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:12:25,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:12:25,012 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-03-09 02:12:25,031 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-03-09 02:12:25,031 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:12:25,031 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:12:25,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1817797260] [2025-03-09 02:12:25,032 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:12:25,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:12:25,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:12:25,034 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) [2025-03-09 02:12:25,035 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-03-09 02:12:25,053 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-03-09 02:12:25,061 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-03-09 02:12:25,061 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:12:25,061 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:12:25,061 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-09 02:12:25,062 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:12:25,123 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-09 02:12:25,123 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:12:25,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:12:25,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283113801] [2025-03-09 02:12:25,123 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:12:25,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1817797260] [2025-03-09 02:12:25,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1817797260] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:12:25,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:12:25,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 02:12:25,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18539433] [2025-03-09 02:12:25,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:12:25,124 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:12:25,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:12:25,124 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:12:25,124 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:12:25,124 INFO L87 Difference]: Start difference. First operand 236 states and 322 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-09 02:12:25,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:12:25,309 INFO L93 Difference]: Finished difference Result 261 states and 326 transitions. [2025-03-09 02:12:25,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 02:12:25,310 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 32 [2025-03-09 02:12:25,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:12:25,311 INFO L225 Difference]: With dead ends: 261 [2025-03-09 02:12:25,311 INFO L226 Difference]: Without dead ends: 260 [2025-03-09 02:12:25,311 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:12:25,311 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 55 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:12:25,311 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 318 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:12:25,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2025-03-09 02:12:25,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 236. [2025-03-09 02:12:25,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 164 states have (on average 1.7073170731707317) internal successors, (280), 213 states have internal predecessors, (280), 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) [2025-03-09 02:12:25,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 320 transitions. [2025-03-09 02:12:25,321 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 320 transitions. Word has length 32 [2025-03-09 02:12:25,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:12:25,321 INFO L471 AbstractCegarLoop]: Abstraction has 236 states and 320 transitions. [2025-03-09 02:12:25,321 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-09 02:12:25,321 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 320 transitions. [2025-03-09 02:12:25,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2025-03-09 02:12:25,322 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:12:25,322 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:12:25,328 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-03-09 02:12:25,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:12:25,522 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-09 02:12:25,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:12:25,523 INFO L85 PathProgramCache]: Analyzing trace with hash 33081258, now seen corresponding path program 1 times [2025-03-09 02:12:25,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:12:25,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848883961] [2025-03-09 02:12:25,523 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:12:25,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:12:25,526 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-03-09 02:12:25,528 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-03-09 02:12:25,528 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:12:25,528 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:12:25,601 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-09 02:12:25,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:12:25,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848883961] [2025-03-09 02:12:25,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848883961] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:12:25,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:12:25,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-09 02:12:25,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263819050] [2025-03-09 02:12:25,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:12:25,602 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-09 02:12:25,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:12:25,602 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-09 02:12:25,602 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-09 02:12:25,602 INFO L87 Difference]: Start difference. First operand 236 states and 320 transitions. Second operand has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-09 02:12:25,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:12:25,854 INFO L93 Difference]: Finished difference Result 265 states and 330 transitions. [2025-03-09 02:12:25,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-09 02:12:25,854 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 34 [2025-03-09 02:12:25,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:12:25,855 INFO L225 Difference]: With dead ends: 265 [2025-03-09 02:12:25,855 INFO L226 Difference]: Without dead ends: 264 [2025-03-09 02:12:25,855 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-09 02:12:25,856 INFO L435 NwaCegarLoop]: 124 mSDtfsCounter, 54 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:12:25,856 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 430 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:12:25,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2025-03-09 02:12:25,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 241. [2025-03-09 02:12:25,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 169 states have (on average 1.698224852071006) internal successors, (287), 218 states have internal predecessors, (287), 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) [2025-03-09 02:12:25,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 327 transitions. [2025-03-09 02:12:25,865 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 327 transitions. Word has length 34 [2025-03-09 02:12:25,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:12:25,865 INFO L471 AbstractCegarLoop]: Abstraction has 241 states and 327 transitions. [2025-03-09 02:12:25,866 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-09 02:12:25,866 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 327 transitions. [2025-03-09 02:12:25,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2025-03-09 02:12:25,866 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:12:25,866 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:12:25,866 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-03-09 02:12:25,866 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-09 02:12:25,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:12:25,867 INFO L85 PathProgramCache]: Analyzing trace with hash 1025519000, now seen corresponding path program 1 times [2025-03-09 02:12:25,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:12:25,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628744231] [2025-03-09 02:12:25,867 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:12:25,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:12:25,870 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-03-09 02:12:25,876 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-03-09 02:12:25,876 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:12:25,876 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:12:25,976 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-09 02:12:25,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:12:25,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628744231] [2025-03-09 02:12:25,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628744231] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:12:25,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1488882094] [2025-03-09 02:12:25,977 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:12:25,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:12:25,977 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:12:25,978 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) [2025-03-09 02:12:25,980 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-03-09 02:12:25,999 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-03-09 02:12:26,009 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-03-09 02:12:26,009 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:12:26,009 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:12:26,010 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-09 02:12:26,010 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:12:26,064 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-09 02:12:26,064 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:12:26,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1488882094] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:12:26,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:12:26,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 11 [2025-03-09 02:12:26,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829528142] [2025-03-09 02:12:26,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:12:26,065 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-09 02:12:26,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:12:26,065 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-09 02:12:26,065 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2025-03-09 02:12:26,065 INFO L87 Difference]: Start difference. First operand 241 states and 327 transitions. Second operand has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-09 02:12:26,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:12:26,180 INFO L93 Difference]: Finished difference Result 282 states and 338 transitions. [2025-03-09 02:12:26,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-09 02:12:26,181 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 35 [2025-03-09 02:12:26,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:12:26,182 INFO L225 Difference]: With dead ends: 282 [2025-03-09 02:12:26,182 INFO L226 Difference]: Without dead ends: 281 [2025-03-09 02:12:26,182 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2025-03-09 02:12:26,182 INFO L435 NwaCegarLoop]: 110 mSDtfsCounter, 149 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:12:26,182 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 346 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:12:26,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2025-03-09 02:12:26,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 243. [2025-03-09 02:12:26,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243 states, 171 states have (on average 1.6900584795321638) internal successors, (289), 220 states have internal predecessors, (289), 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) [2025-03-09 02:12:26,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 329 transitions. [2025-03-09 02:12:26,194 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 329 transitions. Word has length 35 [2025-03-09 02:12:26,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:12:26,194 INFO L471 AbstractCegarLoop]: Abstraction has 243 states and 329 transitions. [2025-03-09 02:12:26,194 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-09 02:12:26,194 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 329 transitions. [2025-03-09 02:12:26,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2025-03-09 02:12:26,195 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:12:26,195 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:12:26,202 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2025-03-09 02:12:26,399 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,SelfDestructingSolverStorable12 [2025-03-09 02:12:26,400 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-09 02:12:26,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:12:26,400 INFO L85 PathProgramCache]: Analyzing trace with hash 1976250944, now seen corresponding path program 1 times [2025-03-09 02:12:26,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:12:26,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632693049] [2025-03-09 02:12:26,401 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:12:26,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:12:26,408 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-03-09 02:12:26,414 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-03-09 02:12:26,414 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:12:26,414 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:12:26,478 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-03-09 02:12:26,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:12:26,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632693049] [2025-03-09 02:12:26,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632693049] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:12:26,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1640941705] [2025-03-09 02:12:26,478 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:12:26,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:12:26,478 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:12:26,480 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) [2025-03-09 02:12:26,481 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-03-09 02:12:26,498 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-03-09 02:12:26,507 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-03-09 02:12:26,507 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:12:26,507 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:12:26,508 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-09 02:12:26,509 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:12:26,546 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-03-09 02:12:26,546 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:12:26,612 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-03-09 02:12:26,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1640941705] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:12:26,613 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 02:12:26,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 12 [2025-03-09 02:12:26,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235390628] [2025-03-09 02:12:26,613 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 02:12:26,613 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-09 02:12:26,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:12:26,613 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-09 02:12:26,613 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2025-03-09 02:12:26,614 INFO L87 Difference]: Start difference. First operand 243 states and 329 transitions. Second operand has 12 states, 12 states have (on average 3.1666666666666665) internal successors, (38), 11 states have internal predecessors, (38), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-09 02:12:27,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:12:27,127 INFO L93 Difference]: Finished difference Result 536 states and 678 transitions. [2025-03-09 02:12:27,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-09 02:12:27,128 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.1666666666666665) internal successors, (38), 11 states have internal predecessors, (38), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 37 [2025-03-09 02:12:27,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:12:27,130 INFO L225 Difference]: With dead ends: 536 [2025-03-09 02:12:27,130 INFO L226 Difference]: Without dead ends: 508 [2025-03-09 02:12:27,130 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 66 SyntacticMatches, 4 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=205, Unknown=0, NotChecked=0, Total=272 [2025-03-09 02:12:27,130 INFO L435 NwaCegarLoop]: 118 mSDtfsCounter, 662 mSDsluCounter, 660 mSDsCounter, 0 mSdLazyCounter, 709 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 670 SdHoareTripleChecker+Valid, 778 SdHoareTripleChecker+Invalid, 746 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 709 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-09 02:12:27,130 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [670 Valid, 778 Invalid, 746 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 709 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-09 02:12:27,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 508 states. [2025-03-09 02:12:27,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 508 to 328. [2025-03-09 02:12:27,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 328 states, 248 states have (on average 1.75) internal successors, (434), 297 states have internal predecessors, (434), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2025-03-09 02:12:27,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 490 transitions. [2025-03-09 02:12:27,142 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 490 transitions. Word has length 37 [2025-03-09 02:12:27,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:12:27,142 INFO L471 AbstractCegarLoop]: Abstraction has 328 states and 490 transitions. [2025-03-09 02:12:27,142 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.1666666666666665) internal successors, (38), 11 states have internal predecessors, (38), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-09 02:12:27,143 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 490 transitions. [2025-03-09 02:12:27,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2025-03-09 02:12:27,143 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:12:27,143 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2025-03-09 02:12:27,149 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2025-03-09 02:12:27,343 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,SelfDestructingSolverStorable13 [2025-03-09 02:12:27,344 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-09 02:12:27,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:12:27,344 INFO L85 PathProgramCache]: Analyzing trace with hash 1134241756, now seen corresponding path program 1 times [2025-03-09 02:12:27,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:12:27,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904744671] [2025-03-09 02:12:27,344 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:12:27,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:12:27,347 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-03-09 02:12:27,350 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-03-09 02:12:27,350 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:12:27,350 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:12:27,458 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 1 proven. 13 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-09 02:12:27,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:12:27,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904744671] [2025-03-09 02:12:27,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904744671] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:12:27,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [861045098] [2025-03-09 02:12:27,459 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:12:27,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:12:27,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:12:27,461 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) [2025-03-09 02:12:27,461 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-03-09 02:12:27,482 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-03-09 02:12:27,492 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-03-09 02:12:27,492 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:12:27,492 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:12:27,492 INFO L256 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-03-09 02:12:27,494 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:12:27,586 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 1 proven. 13 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-09 02:12:27,586 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:12:27,786 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 1 proven. 13 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-09 02:12:27,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [861045098] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:12:27,786 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 02:12:27,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 16 [2025-03-09 02:12:27,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197675808] [2025-03-09 02:12:27,786 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 02:12:27,786 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-03-09 02:12:27,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:12:27,787 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-03-09 02:12:27,787 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2025-03-09 02:12:27,787 INFO L87 Difference]: Start difference. First operand 328 states and 490 transitions. Second operand has 16 states, 16 states have (on average 1.9375) internal successors, (31), 13 states have internal predecessors, (31), 6 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (11), 5 states have call predecessors, (11), 6 states have call successors, (11) [2025-03-09 02:12:28,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:12:28,383 INFO L93 Difference]: Finished difference Result 504 states and 679 transitions. [2025-03-09 02:12:28,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-09 02:12:28,383 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 1.9375) internal successors, (31), 13 states have internal predecessors, (31), 6 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (11), 5 states have call predecessors, (11), 6 states have call successors, (11) Word has length 38 [2025-03-09 02:12:28,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:12:28,384 INFO L225 Difference]: With dead ends: 504 [2025-03-09 02:12:28,384 INFO L226 Difference]: Without dead ends: 260 [2025-03-09 02:12:28,385 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 72 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=160, Invalid=542, Unknown=0, NotChecked=0, Total=702 [2025-03-09 02:12:28,385 INFO L435 NwaCegarLoop]: 53 mSDtfsCounter, 1055 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 762 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1055 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 836 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 762 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-09 02:12:28,386 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1055 Valid, 434 Invalid, 836 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 762 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-09 02:12:28,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2025-03-09 02:12:28,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 234. [2025-03-09 02:12:28,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 162 states have (on average 1.7222222222222223) internal successors, (279), 211 states have internal predecessors, (279), 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) [2025-03-09 02:12:28,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 319 transitions. [2025-03-09 02:12:28,396 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 319 transitions. Word has length 38 [2025-03-09 02:12:28,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:12:28,396 INFO L471 AbstractCegarLoop]: Abstraction has 234 states and 319 transitions. [2025-03-09 02:12:28,396 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 1.9375) internal successors, (31), 13 states have internal predecessors, (31), 6 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (11), 5 states have call predecessors, (11), 6 states have call successors, (11) [2025-03-09 02:12:28,396 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 319 transitions. [2025-03-09 02:12:28,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-03-09 02:12:28,396 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:12:28,397 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:12:28,404 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2025-03-09 02:12:28,597 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,SelfDestructingSolverStorable14 [2025-03-09 02:12:28,597 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-09 02:12:28,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:12:28,598 INFO L85 PathProgramCache]: Analyzing trace with hash 1085855854, now seen corresponding path program 1 times [2025-03-09 02:12:28,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:12:28,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606935029] [2025-03-09 02:12:28,598 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:12:28,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:12:28,601 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-03-09 02:12:28,606 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-03-09 02:12:28,606 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:12:28,606 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:12:28,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [534609508] [2025-03-09 02:12:28,607 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:12:28,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:12:28,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:12:28,615 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) [2025-03-09 02:12:28,616 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-03-09 02:12:28,634 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-03-09 02:12:28,643 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-03-09 02:12:28,643 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:12:28,643 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:12:28,643 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-09 02:12:28,644 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:12:28,688 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-09 02:12:28,688 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:12:28,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:12:28,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606935029] [2025-03-09 02:12:28,688 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:12:28,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [534609508] [2025-03-09 02:12:28,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [534609508] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:12:28,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:12:28,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 02:12:28,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260080087] [2025-03-09 02:12:28,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:12:28,689 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:12:28,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:12:28,689 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:12:28,689 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:12:28,689 INFO L87 Difference]: Start difference. First operand 234 states and 319 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2025-03-09 02:12:28,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:12:28,828 INFO L93 Difference]: Finished difference Result 252 states and 321 transitions. [2025-03-09 02:12:28,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 02:12:28,829 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 40 [2025-03-09 02:12:28,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:12:28,831 INFO L225 Difference]: With dead ends: 252 [2025-03-09 02:12:28,831 INFO L226 Difference]: Without dead ends: 251 [2025-03-09 02:12:28,831 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:12:28,832 INFO L435 NwaCegarLoop]: 92 mSDtfsCounter, 141 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:12:28,832 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 190 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:12:28,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2025-03-09 02:12:28,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 234. [2025-03-09 02:12:28,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 162 states have (on average 1.7098765432098766) internal successors, (277), 211 states have internal predecessors, (277), 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) [2025-03-09 02:12:28,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 317 transitions. [2025-03-09 02:12:28,843 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 317 transitions. Word has length 40 [2025-03-09 02:12:28,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:12:28,843 INFO L471 AbstractCegarLoop]: Abstraction has 234 states and 317 transitions. [2025-03-09 02:12:28,844 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2025-03-09 02:12:28,844 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 317 transitions. [2025-03-09 02:12:28,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2025-03-09 02:12:28,844 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:12:28,844 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:12:28,851 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2025-03-09 02:12:29,049 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,SelfDestructingSolverStorable15 [2025-03-09 02:12:29,049 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-09 02:12:29,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:12:29,049 INFO L85 PathProgramCache]: Analyzing trace with hash -698206834, now seen corresponding path program 1 times [2025-03-09 02:12:29,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:12:29,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932140194] [2025-03-09 02:12:29,049 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:12:29,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:12:29,052 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-03-09 02:12:29,056 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-03-09 02:12:29,056 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:12:29,056 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:12:29,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1074474107] [2025-03-09 02:12:29,056 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:12:29,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:12:29,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:12:29,058 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) [2025-03-09 02:12:29,060 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-03-09 02:12:29,077 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-03-09 02:12:29,085 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-03-09 02:12:29,085 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:12:29,085 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:12:29,085 INFO L256 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-09 02:12:29,086 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:12:29,127 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-09 02:12:29,127 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:12:29,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:12:29,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932140194] [2025-03-09 02:12:29,128 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:12:29,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1074474107] [2025-03-09 02:12:29,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1074474107] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:12:29,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:12:29,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 02:12:29,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267004906] [2025-03-09 02:12:29,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:12:29,128 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:12:29,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:12:29,128 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:12:29,128 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:12:29,128 INFO L87 Difference]: Start difference. First operand 234 states and 317 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2025-03-09 02:12:29,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:12:29,215 INFO L93 Difference]: Finished difference Result 252 states and 319 transitions. [2025-03-09 02:12:29,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 02:12:29,215 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), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 41 [2025-03-09 02:12:29,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:12:29,216 INFO L225 Difference]: With dead ends: 252 [2025-03-09 02:12:29,216 INFO L226 Difference]: Without dead ends: 251 [2025-03-09 02:12:29,216 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:12:29,216 INFO L435 NwaCegarLoop]: 92 mSDtfsCounter, 186 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:12:29,217 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 174 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:12:29,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2025-03-09 02:12:29,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 234. [2025-03-09 02:12:29,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 162 states have (on average 1.6975308641975309) internal successors, (275), 211 states have internal predecessors, (275), 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) [2025-03-09 02:12:29,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 315 transitions. [2025-03-09 02:12:29,225 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 315 transitions. Word has length 41 [2025-03-09 02:12:29,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:12:29,225 INFO L471 AbstractCegarLoop]: Abstraction has 234 states and 315 transitions. [2025-03-09 02:12:29,225 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), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2025-03-09 02:12:29,225 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 315 transitions. [2025-03-09 02:12:29,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2025-03-09 02:12:29,225 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:12:29,226 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:12:29,231 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2025-03-09 02:12:29,426 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:12:29,426 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-09 02:12:29,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:12:29,426 INFO L85 PathProgramCache]: Analyzing trace with hash -169575316, now seen corresponding path program 1 times [2025-03-09 02:12:29,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:12:29,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794921166] [2025-03-09 02:12:29,427 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:12:29,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:12:29,429 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-03-09 02:12:29,432 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-03-09 02:12:29,433 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:12:29,433 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:12:29,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [446253103] [2025-03-09 02:12:29,433 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:12:29,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:12:29,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:12:29,436 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) [2025-03-09 02:12:29,438 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-03-09 02:12:29,455 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-03-09 02:12:29,463 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-03-09 02:12:29,464 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:12:29,464 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:12:29,464 INFO L256 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-09 02:12:29,465 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:12:29,493 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-09 02:12:29,494 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:12:29,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:12:29,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794921166] [2025-03-09 02:12:29,494 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:12:29,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [446253103] [2025-03-09 02:12:29,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [446253103] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:12:29,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:12:29,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 02:12:29,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042037699] [2025-03-09 02:12:29,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:12:29,495 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:12:29,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:12:29,495 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:12:29,495 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:12:29,495 INFO L87 Difference]: Start difference. First operand 234 states and 315 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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) [2025-03-09 02:12:29,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:12:29,580 INFO L93 Difference]: Finished difference Result 261 states and 326 transitions. [2025-03-09 02:12:29,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 02:12:29,580 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), 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 42 [2025-03-09 02:12:29,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:12:29,581 INFO L225 Difference]: With dead ends: 261 [2025-03-09 02:12:29,581 INFO L226 Difference]: Without dead ends: 260 [2025-03-09 02:12:29,582 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:12:29,582 INFO L435 NwaCegarLoop]: 126 mSDtfsCounter, 91 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:12:29,582 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 229 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:12:29,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2025-03-09 02:12:29,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 234. [2025-03-09 02:12:29,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 162 states have (on average 1.6851851851851851) internal successors, (273), 211 states have internal predecessors, (273), 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) [2025-03-09 02:12:29,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 313 transitions. [2025-03-09 02:12:29,594 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 313 transitions. Word has length 42 [2025-03-09 02:12:29,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:12:29,594 INFO L471 AbstractCegarLoop]: Abstraction has 234 states and 313 transitions. [2025-03-09 02:12:29,595 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), 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) [2025-03-09 02:12:29,595 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 313 transitions. [2025-03-09 02:12:29,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2025-03-09 02:12:29,595 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:12:29,595 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:12:29,602 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2025-03-09 02:12:29,795 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,SelfDestructingSolverStorable17 [2025-03-09 02:12:29,796 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-09 02:12:29,797 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:12:29,797 INFO L85 PathProgramCache]: Analyzing trace with hash -961867444, now seen corresponding path program 1 times [2025-03-09 02:12:29,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:12:29,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613825524] [2025-03-09 02:12:29,797 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:12:29,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:12:29,800 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-03-09 02:12:29,804 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-03-09 02:12:29,804 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:12:29,804 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:12:29,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1886362035] [2025-03-09 02:12:29,805 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:12:29,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:12:29,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:12:29,807 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) [2025-03-09 02:12:29,808 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-03-09 02:12:29,827 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-03-09 02:12:29,835 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-03-09 02:12:29,835 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:12:29,835 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:12:29,836 INFO L256 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-09 02:12:29,837 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:12:29,858 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-09 02:12:29,858 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:12:29,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:12:29,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613825524] [2025-03-09 02:12:29,859 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:12:29,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1886362035] [2025-03-09 02:12:29,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1886362035] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:12:29,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:12:29,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 02:12:29,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166833925] [2025-03-09 02:12:29,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:12:29,859 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:12:29,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:12:29,860 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:12:29,860 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:12:29,860 INFO L87 Difference]: Start difference. First operand 234 states and 313 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 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) [2025-03-09 02:12:30,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:12:30,082 INFO L93 Difference]: Finished difference Result 262 states and 325 transitions. [2025-03-09 02:12:30,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 02:12:30,083 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 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 43 [2025-03-09 02:12:30,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:12:30,084 INFO L225 Difference]: With dead ends: 262 [2025-03-09 02:12:30,084 INFO L226 Difference]: Without dead ends: 261 [2025-03-09 02:12:30,084 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:12:30,084 INFO L435 NwaCegarLoop]: 128 mSDtfsCounter, 50 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:12:30,084 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 296 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:12:30,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2025-03-09 02:12:30,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 234. [2025-03-09 02:12:30,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 162 states have (on average 1.6728395061728396) internal successors, (271), 211 states have internal predecessors, (271), 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) [2025-03-09 02:12:30,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 311 transitions. [2025-03-09 02:12:30,094 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 311 transitions. Word has length 43 [2025-03-09 02:12:30,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:12:30,094 INFO L471 AbstractCegarLoop]: Abstraction has 234 states and 311 transitions. [2025-03-09 02:12:30,094 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 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) [2025-03-09 02:12:30,094 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 311 transitions. [2025-03-09 02:12:30,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2025-03-09 02:12:30,095 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:12:30,095 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2025-03-09 02:12:30,101 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2025-03-09 02:12:30,299 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:12:30,299 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-09 02:12:30,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:12:30,299 INFO L85 PathProgramCache]: Analyzing trace with hash 970698627, now seen corresponding path program 1 times [2025-03-09 02:12:30,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:12:30,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693593078] [2025-03-09 02:12:30,299 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:12:30,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:12:30,302 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-03-09 02:12:30,305 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-03-09 02:12:30,305 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:12:30,305 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:12:30,384 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2025-03-09 02:12:30,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:12:30,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693593078] [2025-03-09 02:12:30,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693593078] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:12:30,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [642600593] [2025-03-09 02:12:30,384 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:12:30,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:12:30,384 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:12:30,386 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) [2025-03-09 02:12:30,387 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2025-03-09 02:12:30,407 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-03-09 02:12:30,417 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-03-09 02:12:30,417 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:12:30,417 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:12:30,417 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-09 02:12:30,418 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:12:30,486 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-03-09 02:12:30,486 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:12:30,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [642600593] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:12:30,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:12:30,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 11 [2025-03-09 02:12:30,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376097243] [2025-03-09 02:12:30,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:12:30,487 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-09 02:12:30,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:12:30,487 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-09 02:12:30,487 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2025-03-09 02:12:30,487 INFO L87 Difference]: Start difference. First operand 234 states and 311 transitions. Second operand has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-03-09 02:12:30,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:12:30,696 INFO L93 Difference]: Finished difference Result 261 states and 315 transitions. [2025-03-09 02:12:30,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-09 02:12:30,696 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 51 [2025-03-09 02:12:30,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:12:30,697 INFO L225 Difference]: With dead ends: 261 [2025-03-09 02:12:30,697 INFO L226 Difference]: Without dead ends: 260 [2025-03-09 02:12:30,697 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2025-03-09 02:12:30,697 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 279 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 283 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:12:30,697 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [283 Valid, 255 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:12:30,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2025-03-09 02:12:30,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 234. [2025-03-09 02:12:30,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 162 states have (on average 1.6666666666666667) internal successors, (270), 211 states have internal predecessors, (270), 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) [2025-03-09 02:12:30,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 310 transitions. [2025-03-09 02:12:30,723 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 310 transitions. Word has length 51 [2025-03-09 02:12:30,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:12:30,723 INFO L471 AbstractCegarLoop]: Abstraction has 234 states and 310 transitions. [2025-03-09 02:12:30,723 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-03-09 02:12:30,723 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 310 transitions. [2025-03-09 02:12:30,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2025-03-09 02:12:30,723 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:12:30,724 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2025-03-09 02:12:30,730 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2025-03-09 02:12:30,924 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:12:30,924 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-09 02:12:30,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:12:30,924 INFO L85 PathProgramCache]: Analyzing trace with hash 26886412, now seen corresponding path program 1 times [2025-03-09 02:12:30,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:12:30,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553661428] [2025-03-09 02:12:30,925 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:12:30,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:12:30,927 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-03-09 02:12:30,931 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-03-09 02:12:30,931 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:12:30,931 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:12:30,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1166671507] [2025-03-09 02:12:30,932 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:12:30,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:12:30,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:12:30,934 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) [2025-03-09 02:12:30,936 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2025-03-09 02:12:30,956 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-03-09 02:12:30,966 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-03-09 02:12:30,966 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:12:30,966 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:12:30,967 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-09 02:12:30,968 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:12:31,034 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-03-09 02:12:31,034 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:12:31,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:12:31,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553661428] [2025-03-09 02:12:31,035 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:12:31,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1166671507] [2025-03-09 02:12:31,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1166671507] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:12:31,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:12:31,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-09 02:12:31,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146685224] [2025-03-09 02:12:31,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:12:31,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-09 02:12:31,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:12:31,036 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-09 02:12:31,036 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-09 02:12:31,036 INFO L87 Difference]: Start difference. First operand 234 states and 310 transitions. Second operand has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-03-09 02:12:31,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:12:31,210 INFO L93 Difference]: Finished difference Result 261 states and 314 transitions. [2025-03-09 02:12:31,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-09 02:12:31,210 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 52 [2025-03-09 02:12:31,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:12:31,211 INFO L225 Difference]: With dead ends: 261 [2025-03-09 02:12:31,211 INFO L226 Difference]: Without dead ends: 260 [2025-03-09 02:12:31,212 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-03-09 02:12:31,212 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 276 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:12:31,212 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [280 Valid, 257 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:12:31,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2025-03-09 02:12:31,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 234. [2025-03-09 02:12:31,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 162 states have (on average 1.6604938271604939) internal successors, (269), 211 states have internal predecessors, (269), 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) [2025-03-09 02:12:31,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 309 transitions. [2025-03-09 02:12:31,222 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 309 transitions. Word has length 52 [2025-03-09 02:12:31,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:12:31,222 INFO L471 AbstractCegarLoop]: Abstraction has 234 states and 309 transitions. [2025-03-09 02:12:31,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-03-09 02:12:31,222 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 309 transitions. [2025-03-09 02:12:31,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2025-03-09 02:12:31,222 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:12:31,222 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:12:31,229 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2025-03-09 02:12:31,423 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:12:31,423 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-09 02:12:31,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:12:31,423 INFO L85 PathProgramCache]: Analyzing trace with hash -1604297568, now seen corresponding path program 1 times [2025-03-09 02:12:31,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:12:31,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540154756] [2025-03-09 02:12:31,423 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:12:31,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:12:31,426 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 58 statements into 1 equivalence classes. [2025-03-09 02:12:31,430 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 58 of 58 statements. [2025-03-09 02:12:31,430 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:12:31,430 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:12:31,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [924242572] [2025-03-09 02:12:31,431 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:12:31,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:12:31,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:12:31,433 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) [2025-03-09 02:12:31,434 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2025-03-09 02:12:31,453 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 58 statements into 1 equivalence classes. [2025-03-09 02:12:31,462 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 58 of 58 statements. [2025-03-09 02:12:31,463 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:12:31,463 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:12:31,463 INFO L256 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-09 02:12:31,464 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:12:31,529 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-03-09 02:12:31,529 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:12:31,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:12:31,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540154756] [2025-03-09 02:12:31,530 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:12:31,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [924242572] [2025-03-09 02:12:31,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [924242572] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:12:31,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:12:31,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-09 02:12:31,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014176044] [2025-03-09 02:12:31,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:12:31,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-09 02:12:31,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:12:31,530 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-09 02:12:31,530 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-09 02:12:31,530 INFO L87 Difference]: Start difference. First operand 234 states and 309 transitions. Second operand has 5 states, 4 states have (on average 7.25) internal successors, (29), 5 states have internal predecessors, (29), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2025-03-09 02:12:31,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:12:31,694 INFO L93 Difference]: Finished difference Result 309 states and 397 transitions. [2025-03-09 02:12:31,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-09 02:12:31,697 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.25) internal successors, (29), 5 states have internal predecessors, (29), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 58 [2025-03-09 02:12:31,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:12:31,699 INFO L225 Difference]: With dead ends: 309 [2025-03-09 02:12:31,710 INFO L226 Difference]: Without dead ends: 306 [2025-03-09 02:12:31,712 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2025-03-09 02:12:31,714 INFO L435 NwaCegarLoop]: 80 mSDtfsCounter, 229 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:12:31,715 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 196 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:12:31,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2025-03-09 02:12:31,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 288. [2025-03-09 02:12:31,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 208 states have (on average 1.5721153846153846) internal successors, (327), 257 states have internal predecessors, (327), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2025-03-09 02:12:31,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 383 transitions. [2025-03-09 02:12:31,731 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 383 transitions. Word has length 58 [2025-03-09 02:12:31,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:12:31,732 INFO L471 AbstractCegarLoop]: Abstraction has 288 states and 383 transitions. [2025-03-09 02:12:31,732 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.25) internal successors, (29), 5 states have internal predecessors, (29), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2025-03-09 02:12:31,732 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 383 transitions. [2025-03-09 02:12:31,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2025-03-09 02:12:31,732 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:12:31,732 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:12:31,738 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2025-03-09 02:12:31,933 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:12:31,933 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-09 02:12:31,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:12:31,933 INFO L85 PathProgramCache]: Analyzing trace with hash 1806382986, now seen corresponding path program 1 times [2025-03-09 02:12:31,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:12:31,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147481699] [2025-03-09 02:12:31,934 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:12:31,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:12:31,936 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-03-09 02:12:31,941 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-03-09 02:12:31,941 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:12:31,941 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:12:31,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [676164234] [2025-03-09 02:12:31,942 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:12:31,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:12:31,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:12:31,944 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) [2025-03-09 02:12:31,946 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2025-03-09 02:12:31,964 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-03-09 02:12:31,974 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-03-09 02:12:31,974 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:12:31,974 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:12:31,974 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-09 02:12:31,975 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:12:32,036 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-03-09 02:12:32,036 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:12:32,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:12:32,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147481699] [2025-03-09 02:12:32,036 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:12:32,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [676164234] [2025-03-09 02:12:32,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [676164234] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:12:32,037 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:12:32,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-09 02:12:32,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105729899] [2025-03-09 02:12:32,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:12:32,037 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-09 02:12:32,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:12:32,037 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-09 02:12:32,037 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-09 02:12:32,037 INFO L87 Difference]: Start difference. First operand 288 states and 383 transitions. Second operand has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2025-03-09 02:12:32,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:12:32,193 INFO L93 Difference]: Finished difference Result 307 states and 391 transitions. [2025-03-09 02:12:32,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-09 02:12:32,193 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 59 [2025-03-09 02:12:32,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:12:32,194 INFO L225 Difference]: With dead ends: 307 [2025-03-09 02:12:32,194 INFO L226 Difference]: Without dead ends: 306 [2025-03-09 02:12:32,195 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2025-03-09 02:12:32,195 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 207 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:12:32,195 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [211 Valid, 265 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:12:32,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2025-03-09 02:12:32,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 288. [2025-03-09 02:12:32,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 208 states have (on average 1.5625) internal successors, (325), 257 states have internal predecessors, (325), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2025-03-09 02:12:32,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 381 transitions. [2025-03-09 02:12:32,209 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 381 transitions. Word has length 59 [2025-03-09 02:12:32,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:12:32,209 INFO L471 AbstractCegarLoop]: Abstraction has 288 states and 381 transitions. [2025-03-09 02:12:32,209 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2025-03-09 02:12:32,209 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 381 transitions. [2025-03-09 02:12:32,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2025-03-09 02:12:32,210 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:12:32,211 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:12:32,216 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2025-03-09 02:12:32,411 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,SelfDestructingSolverStorable22 [2025-03-09 02:12:32,411 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-09 02:12:32,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:12:32,412 INFO L85 PathProgramCache]: Analyzing trace with hash -2125968611, now seen corresponding path program 1 times [2025-03-09 02:12:32,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:12:32,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312306588] [2025-03-09 02:12:32,412 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:12:32,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:12:32,415 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes. [2025-03-09 02:12:32,420 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements. [2025-03-09 02:12:32,420 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:12:32,420 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:12:32,456 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-09 02:12:32,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:12:32,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312306588] [2025-03-09 02:12:32,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312306588] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:12:32,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:12:32,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-09 02:12:32,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496200865] [2025-03-09 02:12:32,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:12:32,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-09 02:12:32,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:12:32,458 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-09 02:12:32,458 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-09 02:12:32,458 INFO L87 Difference]: Start difference. First operand 288 states and 381 transitions. Second operand has 5 states, 4 states have (on average 7.75) internal successors, (31), 5 states have internal predecessors, (31), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-03-09 02:12:32,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:12:32,698 INFO L93 Difference]: Finished difference Result 310 states and 393 transitions. [2025-03-09 02:12:32,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-09 02:12:32,699 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.75) internal successors, (31), 5 states have internal predecessors, (31), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 65 [2025-03-09 02:12:32,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:12:32,700 INFO L225 Difference]: With dead ends: 310 [2025-03-09 02:12:32,700 INFO L226 Difference]: Without dead ends: 308 [2025-03-09 02:12:32,700 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-03-09 02:12:32,700 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 237 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:12:32,700 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [241 Valid, 258 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:12:32,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2025-03-09 02:12:32,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 290. [2025-03-09 02:12:32,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 210 states have (on average 1.5476190476190477) internal successors, (325), 259 states have internal predecessors, (325), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2025-03-09 02:12:32,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 381 transitions. [2025-03-09 02:12:32,714 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 381 transitions. Word has length 65 [2025-03-09 02:12:32,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:12:32,714 INFO L471 AbstractCegarLoop]: Abstraction has 290 states and 381 transitions. [2025-03-09 02:12:32,714 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.75) internal successors, (31), 5 states have internal predecessors, (31), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-03-09 02:12:32,714 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 381 transitions. [2025-03-09 02:12:32,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2025-03-09 02:12:32,714 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:12:32,714 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:12:32,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2025-03-09 02:12:32,715 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-09 02:12:32,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:12:32,715 INFO L85 PathProgramCache]: Analyzing trace with hash -1480517464, now seen corresponding path program 1 times [2025-03-09 02:12:32,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:12:32,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361690138] [2025-03-09 02:12:32,715 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:12:32,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:12:32,718 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 66 statements into 1 equivalence classes. [2025-03-09 02:12:32,720 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 66 of 66 statements. [2025-03-09 02:12:32,720 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:12:32,720 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:12:32,765 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-09 02:12:32,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:12:32,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361690138] [2025-03-09 02:12:32,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361690138] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:12:32,765 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:12:32,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-09 02:12:32,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068934893] [2025-03-09 02:12:32,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:12:32,766 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-09 02:12:32,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:12:32,766 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-09 02:12:32,766 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-09 02:12:32,767 INFO L87 Difference]: Start difference. First operand 290 states and 381 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, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-09 02:12:32,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:12:32,949 INFO L93 Difference]: Finished difference Result 319 states and 389 transitions. [2025-03-09 02:12:32,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-09 02:12:32,949 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, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 66 [2025-03-09 02:12:32,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:12:32,951 INFO L225 Difference]: With dead ends: 319 [2025-03-09 02:12:32,951 INFO L226 Difference]: Without dead ends: 317 [2025-03-09 02:12:32,951 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2025-03-09 02:12:32,951 INFO L435 NwaCegarLoop]: 90 mSDtfsCounter, 319 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 323 SdHoareTripleChecker+Valid, 393 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:12:32,952 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [323 Valid, 393 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:12:32,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2025-03-09 02:12:32,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 290. [2025-03-09 02:12:32,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 210 states have (on average 1.5380952380952382) internal successors, (323), 259 states have internal predecessors, (323), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2025-03-09 02:12:32,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 379 transitions. [2025-03-09 02:12:32,970 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 379 transitions. Word has length 66 [2025-03-09 02:12:32,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:12:32,970 INFO L471 AbstractCegarLoop]: Abstraction has 290 states and 379 transitions. [2025-03-09 02:12:32,970 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, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-09 02:12:32,970 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 379 transitions. [2025-03-09 02:12:32,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2025-03-09 02:12:32,971 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:12:32,971 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:12:32,971 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2025-03-09 02:12:32,971 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-09 02:12:32,971 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:12:32,971 INFO L85 PathProgramCache]: Analyzing trace with hash -1143106818, now seen corresponding path program 1 times [2025-03-09 02:12:32,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:12:32,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241631113] [2025-03-09 02:12:32,971 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:12:32,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:12:32,984 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-03-09 02:12:32,988 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-03-09 02:12:32,988 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:12:32,988 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:12:33,009 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-09 02:12:33,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:12:33,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241631113] [2025-03-09 02:12:33,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241631113] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:12:33,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:12:33,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 02:12:33,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396422958] [2025-03-09 02:12:33,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:12:33,011 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 02:12:33,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:12:33,011 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 02:12:33,011 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:12:33,012 INFO L87 Difference]: Start difference. First operand 290 states and 379 transitions. Second operand has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-09 02:12:33,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:12:33,063 INFO L93 Difference]: Finished difference Result 373 states and 504 transitions. [2025-03-09 02:12:33,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 02:12:33,063 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 68 [2025-03-09 02:12:33,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:12:33,065 INFO L225 Difference]: With dead ends: 373 [2025-03-09 02:12:33,065 INFO L226 Difference]: Without dead ends: 372 [2025-03-09 02:12:33,065 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 [2025-03-09 02:12:33,066 INFO L435 NwaCegarLoop]: 122 mSDtfsCounter, 23 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 02:12:33,066 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 229 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 02:12:33,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2025-03-09 02:12:33,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 342. [2025-03-09 02:12:33,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 254 states have (on average 1.6023622047244095) internal successors, (407), 303 states have internal predecessors, (407), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2025-03-09 02:12:33,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 479 transitions. [2025-03-09 02:12:33,082 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 479 transitions. Word has length 68 [2025-03-09 02:12:33,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:12:33,082 INFO L471 AbstractCegarLoop]: Abstraction has 342 states and 479 transitions. [2025-03-09 02:12:33,083 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-09 02:12:33,083 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 479 transitions. [2025-03-09 02:12:33,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2025-03-09 02:12:33,083 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:12:33,083 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:12:33,083 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2025-03-09 02:12:33,083 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-09 02:12:33,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:12:33,084 INFO L85 PathProgramCache]: Analyzing trace with hash -1076572967, now seen corresponding path program 1 times [2025-03-09 02:12:33,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:12:33,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244955112] [2025-03-09 02:12:33,084 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:12:33,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:12:33,087 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 69 statements into 1 equivalence classes. [2025-03-09 02:12:33,089 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 69 of 69 statements. [2025-03-09 02:12:33,090 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:12:33,090 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:12:33,122 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-09 02:12:33,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:12:33,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244955112] [2025-03-09 02:12:33,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [244955112] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:12:33,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:12:33,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-09 02:12:33,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534923040] [2025-03-09 02:12:33,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:12:33,123 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-09 02:12:33,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:12:33,123 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-09 02:12:33,124 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-09 02:12:33,124 INFO L87 Difference]: Start difference. First operand 342 states and 479 transitions. Second operand has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-09 02:12:33,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:12:33,330 INFO L93 Difference]: Finished difference Result 358 states and 479 transitions. [2025-03-09 02:12:33,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-09 02:12:33,330 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 69 [2025-03-09 02:12:33,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:12:33,332 INFO L225 Difference]: With dead ends: 358 [2025-03-09 02:12:33,332 INFO L226 Difference]: Without dead ends: 357 [2025-03-09 02:12:33,332 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2025-03-09 02:12:33,332 INFO L435 NwaCegarLoop]: 85 mSDtfsCounter, 206 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:12:33,332 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 340 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:12:33,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2025-03-09 02:12:33,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 342. [2025-03-09 02:12:33,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 254 states have (on average 1.5984251968503937) internal successors, (406), 303 states have internal predecessors, (406), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2025-03-09 02:12:33,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 478 transitions. [2025-03-09 02:12:33,364 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 478 transitions. Word has length 69 [2025-03-09 02:12:33,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:12:33,364 INFO L471 AbstractCegarLoop]: Abstraction has 342 states and 478 transitions. [2025-03-09 02:12:33,364 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-09 02:12:33,364 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 478 transitions. [2025-03-09 02:12:33,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2025-03-09 02:12:33,365 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:12:33,365 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:12:33,365 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2025-03-09 02:12:33,365 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-09 02:12:33,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:12:33,366 INFO L85 PathProgramCache]: Analyzing trace with hash 985976412, now seen corresponding path program 1 times [2025-03-09 02:12:33,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:12:33,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886602747] [2025-03-09 02:12:33,366 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:12:33,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:12:33,370 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 70 statements into 1 equivalence classes. [2025-03-09 02:12:33,373 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 70 of 70 statements. [2025-03-09 02:12:33,373 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:12:33,373 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:12:33,403 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-09 02:12:33,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:12:33,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886602747] [2025-03-09 02:12:33,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886602747] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:12:33,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:12:33,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 02:12:33,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038016934] [2025-03-09 02:12:33,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:12:33,404 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:12:33,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:12:33,405 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:12:33,405 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:12:33,405 INFO L87 Difference]: Start difference. First operand 342 states and 478 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-09 02:12:33,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:12:33,511 INFO L93 Difference]: Finished difference Result 403 states and 514 transitions. [2025-03-09 02:12:33,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 02:12:33,511 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 70 [2025-03-09 02:12:33,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:12:33,513 INFO L225 Difference]: With dead ends: 403 [2025-03-09 02:12:33,513 INFO L226 Difference]: Without dead ends: 399 [2025-03-09 02:12:33,513 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 [2025-03-09 02:12:33,513 INFO L435 NwaCegarLoop]: 121 mSDtfsCounter, 99 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:12:33,514 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 263 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:12:33,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2025-03-09 02:12:33,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 352. [2025-03-09 02:12:33,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 352 states, 264 states have (on average 1.5795454545454546) internal successors, (417), 313 states have internal predecessors, (417), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2025-03-09 02:12:33,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 489 transitions. [2025-03-09 02:12:33,531 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 489 transitions. Word has length 70 [2025-03-09 02:12:33,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:12:33,531 INFO L471 AbstractCegarLoop]: Abstraction has 352 states and 489 transitions. [2025-03-09 02:12:33,531 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-09 02:12:33,531 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 489 transitions. [2025-03-09 02:12:33,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2025-03-09 02:12:33,531 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:12:33,532 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:12:33,532 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2025-03-09 02:12:33,532 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-09 02:12:33,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:12:33,533 INFO L85 PathProgramCache]: Analyzing trace with hash -1935049802, now seen corresponding path program 1 times [2025-03-09 02:12:33,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:12:33,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623067568] [2025-03-09 02:12:33,533 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:12:33,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:12:33,536 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 78 statements into 1 equivalence classes. [2025-03-09 02:12:33,544 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 78 of 78 statements. [2025-03-09 02:12:33,544 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:12:33,544 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:12:33,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1610106869] [2025-03-09 02:12:33,545 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:12:33,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:12:33,545 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:12:33,547 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) [2025-03-09 02:12:33,548 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2025-03-09 02:12:33,568 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 78 statements into 1 equivalence classes. [2025-03-09 02:12:33,582 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 78 of 78 statements. [2025-03-09 02:12:33,582 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:12:33,582 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:12:33,583 INFO L256 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-09 02:12:33,584 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:12:33,736 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-09 02:12:33,736 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:12:33,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:12:33,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623067568] [2025-03-09 02:12:33,736 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:12:33,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1610106869] [2025-03-09 02:12:33,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1610106869] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:12:33,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:12:33,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-09 02:12:33,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136831006] [2025-03-09 02:12:33,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:12:33,737 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-09 02:12:33,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:12:33,737 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-09 02:12:33,737 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2025-03-09 02:12:33,737 INFO L87 Difference]: Start difference. First operand 352 states and 489 transitions. Second operand has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-09 02:12:33,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:12:33,888 INFO L93 Difference]: Finished difference Result 380 states and 498 transitions. [2025-03-09 02:12:33,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-09 02:12:33,888 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 78 [2025-03-09 02:12:33,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:12:33,890 INFO L225 Difference]: With dead ends: 380 [2025-03-09 02:12:33,890 INFO L226 Difference]: Without dead ends: 377 [2025-03-09 02:12:33,890 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2025-03-09 02:12:33,890 INFO L435 NwaCegarLoop]: 132 mSDtfsCounter, 74 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:12:33,890 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 355 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:12:33,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2025-03-09 02:12:33,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 352. [2025-03-09 02:12:33,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 352 states, 264 states have (on average 1.5643939393939394) internal successors, (413), 313 states have internal predecessors, (413), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2025-03-09 02:12:33,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 485 transitions. [2025-03-09 02:12:33,910 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 485 transitions. Word has length 78 [2025-03-09 02:12:33,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:12:33,910 INFO L471 AbstractCegarLoop]: Abstraction has 352 states and 485 transitions. [2025-03-09 02:12:33,910 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-09 02:12:33,911 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 485 transitions. [2025-03-09 02:12:33,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2025-03-09 02:12:33,911 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:12:33,911 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:12:33,918 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2025-03-09 02:12:34,112 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,SelfDestructingSolverStorable28 [2025-03-09 02:12:34,112 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-09 02:12:34,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:12:34,113 INFO L85 PathProgramCache]: Analyzing trace with hash 142998288, now seen corresponding path program 1 times [2025-03-09 02:12:34,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:12:34,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487387516] [2025-03-09 02:12:34,113 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:12:34,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:12:34,118 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-03-09 02:12:34,127 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-03-09 02:12:34,129 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:12:34,129 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:12:34,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [410434281] [2025-03-09 02:12:34,130 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:12:34,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:12:34,130 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:12:34,132 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) [2025-03-09 02:12:34,133 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2025-03-09 02:12:34,152 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-03-09 02:12:34,166 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-03-09 02:12:34,166 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:12:34,166 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:12:34,167 INFO L256 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-09 02:12:34,168 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:12:34,309 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-09 02:12:34,310 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:12:34,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:12:34,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487387516] [2025-03-09 02:12:34,467 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:12:34,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [410434281] [2025-03-09 02:12:34,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [410434281] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:12:34,467 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:12:34,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-03-09 02:12:34,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688581496] [2025-03-09 02:12:34,468 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:12:34,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-09 02:12:34,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:12:34,468 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-09 02:12:34,468 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-03-09 02:12:34,469 INFO L87 Difference]: Start difference. First operand 352 states and 485 transitions. Second operand has 6 states, 5 states have (on average 9.0) internal successors, (45), 6 states have internal predecessors, (45), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-09 02:12:34,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:12:34,664 INFO L93 Difference]: Finished difference Result 458 states and 596 transitions. [2025-03-09 02:12:34,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-09 02:12:34,664 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.0) internal successors, (45), 6 states have internal predecessors, (45), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 79 [2025-03-09 02:12:34,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:12:34,666 INFO L225 Difference]: With dead ends: 458 [2025-03-09 02:12:34,666 INFO L226 Difference]: Without dead ends: 457 [2025-03-09 02:12:34,666 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-03-09 02:12:34,667 INFO L435 NwaCegarLoop]: 110 mSDtfsCounter, 142 mSDsluCounter, 347 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 457 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:12:34,667 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 457 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:12:34,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2025-03-09 02:12:34,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 360. [2025-03-09 02:12:34,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 272 states have (on average 1.5514705882352942) internal successors, (422), 321 states have internal predecessors, (422), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2025-03-09 02:12:34,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 494 transitions. [2025-03-09 02:12:34,683 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 494 transitions. Word has length 79 [2025-03-09 02:12:34,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:12:34,684 INFO L471 AbstractCegarLoop]: Abstraction has 360 states and 494 transitions. [2025-03-09 02:12:34,684 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.0) internal successors, (45), 6 states have internal predecessors, (45), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-09 02:12:34,684 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 494 transitions. [2025-03-09 02:12:34,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2025-03-09 02:12:34,684 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:12:34,684 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:12:34,690 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2025-03-09 02:12:34,884 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:12:34,885 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-09 02:12:34,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:12:34,885 INFO L85 PathProgramCache]: Analyzing trace with hash -17598578, now seen corresponding path program 1 times [2025-03-09 02:12:34,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:12:34,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514145597] [2025-03-09 02:12:34,885 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:12:34,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:12:34,888 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-03-09 02:12:34,895 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-03-09 02:12:34,895 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:12:34,895 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:12:34,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [353479989] [2025-03-09 02:12:34,895 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:12:34,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:12:34,896 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:12:34,897 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) [2025-03-09 02:12:34,899 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2025-03-09 02:12:34,917 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-03-09 02:12:34,932 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-03-09 02:12:34,932 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:12:34,932 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:12:34,933 INFO L256 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-09 02:12:34,934 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:12:35,155 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-09 02:12:35,155 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:12:35,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:12:35,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514145597] [2025-03-09 02:12:35,156 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:12:35,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [353479989] [2025-03-09 02:12:35,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [353479989] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:12:35,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:12:35,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-09 02:12:35,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369966765] [2025-03-09 02:12:35,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:12:35,156 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-09 02:12:35,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:12:35,157 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-09 02:12:35,157 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2025-03-09 02:12:35,157 INFO L87 Difference]: Start difference. First operand 360 states and 494 transitions. Second operand has 7 states, 6 states have (on average 7.833333333333333) internal successors, (47), 7 states have internal predecessors, (47), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-09 02:12:35,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:12:35,386 INFO L93 Difference]: Finished difference Result 386 states and 502 transitions. [2025-03-09 02:12:35,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-09 02:12:35,386 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.833333333333333) internal successors, (47), 7 states have internal predecessors, (47), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 81 [2025-03-09 02:12:35,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:12:35,388 INFO L225 Difference]: With dead ends: 386 [2025-03-09 02:12:35,388 INFO L226 Difference]: Without dead ends: 385 [2025-03-09 02:12:35,388 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-03-09 02:12:35,388 INFO L435 NwaCegarLoop]: 125 mSDtfsCounter, 68 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 287 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 404 SdHoareTripleChecker+Invalid, 292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:12:35,388 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 404 Invalid, 292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 287 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:12:35,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2025-03-09 02:12:35,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 361. [2025-03-09 02:12:35,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361 states, 273 states have (on average 1.5494505494505495) internal successors, (423), 322 states have internal predecessors, (423), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2025-03-09 02:12:35,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 495 transitions. [2025-03-09 02:12:35,404 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 495 transitions. Word has length 81 [2025-03-09 02:12:35,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:12:35,404 INFO L471 AbstractCegarLoop]: Abstraction has 361 states and 495 transitions. [2025-03-09 02:12:35,404 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.833333333333333) internal successors, (47), 7 states have internal predecessors, (47), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-09 02:12:35,404 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 495 transitions. [2025-03-09 02:12:35,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2025-03-09 02:12:35,405 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:12:35,405 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:12:35,414 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2025-03-09 02:12:35,609 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:12:35,609 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-09 02:12:35,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:12:35,609 INFO L85 PathProgramCache]: Analyzing trace with hash 267638454, now seen corresponding path program 1 times [2025-03-09 02:12:35,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:12:35,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724377849] [2025-03-09 02:12:35,609 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:12:35,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:12:35,613 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 83 statements into 1 equivalence classes. [2025-03-09 02:12:35,618 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 83 of 83 statements. [2025-03-09 02:12:35,619 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:12:35,619 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:12:35,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [812909509] [2025-03-09 02:12:35,619 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:12:35,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:12:35,620 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:12:35,621 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) [2025-03-09 02:12:35,623 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2025-03-09 02:12:35,645 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 83 statements into 1 equivalence classes. [2025-03-09 02:12:35,659 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 83 of 83 statements. [2025-03-09 02:12:35,659 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:12:35,659 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:12:35,660 INFO L256 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-03-09 02:12:35,662 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:12:35,961 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-03-09 02:12:35,961 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:12:36,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:12:36,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724377849] [2025-03-09 02:12:36,169 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:12:36,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [812909509] [2025-03-09 02:12:36,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [812909509] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:12:36,169 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:12:36,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-03-09 02:12:36,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016107889] [2025-03-09 02:12:36,170 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:12:36,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-09 02:12:36,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:12:36,170 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-09 02:12:36,170 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2025-03-09 02:12:36,170 INFO L87 Difference]: Start difference. First operand 361 states and 495 transitions. Second operand has 12 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-03-09 02:12:36,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:12:36,916 INFO L93 Difference]: Finished difference Result 610 states and 851 transitions. [2025-03-09 02:12:36,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-09 02:12:36,917 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 83 [2025-03-09 02:12:36,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:12:36,919 INFO L225 Difference]: With dead ends: 610 [2025-03-09 02:12:36,919 INFO L226 Difference]: Without dead ends: 608 [2025-03-09 02:12:36,919 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=113, Invalid=487, Unknown=0, NotChecked=0, Total=600 [2025-03-09 02:12:36,919 INFO L435 NwaCegarLoop]: 98 mSDtfsCounter, 573 mSDsluCounter, 556 mSDsCounter, 0 mSdLazyCounter, 1262 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 577 SdHoareTripleChecker+Valid, 654 SdHoareTripleChecker+Invalid, 1308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 1262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-09 02:12:36,919 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [577 Valid, 654 Invalid, 1308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 1262 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-09 02:12:36,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 608 states. [2025-03-09 02:12:36,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 608 to 486. [2025-03-09 02:12:36,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 486 states, 382 states have (on average 1.6335078534031413) internal successors, (624), 431 states have internal predecessors, (624), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2025-03-09 02:12:36,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 486 states and 728 transitions. [2025-03-09 02:12:36,945 INFO L78 Accepts]: Start accepts. Automaton has 486 states and 728 transitions. Word has length 83 [2025-03-09 02:12:36,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:12:36,946 INFO L471 AbstractCegarLoop]: Abstraction has 486 states and 728 transitions. [2025-03-09 02:12:36,946 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-03-09 02:12:36,946 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 728 transitions. [2025-03-09 02:12:36,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2025-03-09 02:12:36,946 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:12:36,946 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:12:36,952 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2025-03-09 02:12:37,147 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:12:37,147 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-09 02:12:37,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:12:37,147 INFO L85 PathProgramCache]: Analyzing trace with hash -293142520, now seen corresponding path program 1 times [2025-03-09 02:12:37,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:12:37,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428152792] [2025-03-09 02:12:37,148 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:12:37,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:12:37,154 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-03-09 02:12:37,162 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-03-09 02:12:37,162 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:12:37,163 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:12:37,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2087412527] [2025-03-09 02:12:37,163 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:12:37,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:12:37,164 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:12:37,165 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) [2025-03-09 02:12:37,167 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2025-03-09 02:12:37,187 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-03-09 02:12:37,201 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-03-09 02:12:37,201 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:12:37,201 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:12:37,202 INFO L256 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-03-09 02:12:37,203 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:12:37,503 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-03-09 02:12:37,503 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:12:38,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:12:38,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428152792] [2025-03-09 02:12:38,015 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:12:38,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2087412527] [2025-03-09 02:12:38,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2087412527] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:12:38,015 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:12:38,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-03-09 02:12:38,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248676605] [2025-03-09 02:12:38,016 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:12:38,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-09 02:12:38,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:12:38,016 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-09 02:12:38,016 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2025-03-09 02:12:38,016 INFO L87 Difference]: Start difference. First operand 486 states and 728 transitions. Second operand has 12 states, 11 states have (on average 4.818181818181818) internal successors, (53), 11 states have internal predecessors, (53), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-03-09 02:12:38,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:12:38,708 INFO L93 Difference]: Finished difference Result 610 states and 846 transitions. [2025-03-09 02:12:38,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-09 02:12:38,708 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.818181818181818) internal successors, (53), 11 states have internal predecessors, (53), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 84 [2025-03-09 02:12:38,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:12:38,710 INFO L225 Difference]: With dead ends: 610 [2025-03-09 02:12:38,710 INFO L226 Difference]: Without dead ends: 608 [2025-03-09 02:12:38,711 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=113, Invalid=487, Unknown=0, NotChecked=0, Total=600 [2025-03-09 02:12:38,711 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 576 mSDsluCounter, 540 mSDsCounter, 0 mSdLazyCounter, 1129 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 580 SdHoareTripleChecker+Valid, 643 SdHoareTripleChecker+Invalid, 1177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 1129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-09 02:12:38,711 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [580 Valid, 643 Invalid, 1177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 1129 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-09 02:12:38,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 608 states. [2025-03-09 02:12:38,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 608 to 487. [2025-03-09 02:12:38,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 487 states, 383 states have (on average 1.6214099216710183) internal successors, (621), 432 states have internal predecessors, (621), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2025-03-09 02:12:38,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 487 states and 725 transitions. [2025-03-09 02:12:38,732 INFO L78 Accepts]: Start accepts. Automaton has 487 states and 725 transitions. Word has length 84 [2025-03-09 02:12:38,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:12:38,732 INFO L471 AbstractCegarLoop]: Abstraction has 487 states and 725 transitions. [2025-03-09 02:12:38,732 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.818181818181818) internal successors, (53), 11 states have internal predecessors, (53), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-03-09 02:12:38,732 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 725 transitions. [2025-03-09 02:12:38,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2025-03-09 02:12:38,733 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:12:38,733 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:12:38,739 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2025-03-09 02:12:38,936 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,SelfDestructingSolverStorable32 [2025-03-09 02:12:38,936 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-09 02:12:38,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:12:38,936 INFO L85 PathProgramCache]: Analyzing trace with hash -293137882, now seen corresponding path program 1 times [2025-03-09 02:12:38,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:12:38,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064519575] [2025-03-09 02:12:38,936 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:12:38,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:12:38,939 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-03-09 02:12:38,947 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-03-09 02:12:38,950 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:12:38,950 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:12:39,080 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 7 proven. 7 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-03-09 02:12:39,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:12:39,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064519575] [2025-03-09 02:12:39,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064519575] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:12:39,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [899940256] [2025-03-09 02:12:39,081 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:12:39,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:12:39,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:12:39,083 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) [2025-03-09 02:12:39,084 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2025-03-09 02:12:39,106 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-03-09 02:12:39,121 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-03-09 02:12:39,121 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:12:39,121 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:12:39,122 INFO L256 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-03-09 02:12:39,123 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:12:39,254 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-03-09 02:12:39,254 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:12:39,415 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-03-09 02:12:39,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [899940256] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:12:39,415 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 02:12:39,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11, 11] total 20 [2025-03-09 02:12:39,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561113861] [2025-03-09 02:12:39,416 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 02:12:39,416 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-03-09 02:12:39,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:12:39,416 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-03-09 02:12:39,416 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=323, Unknown=0, NotChecked=0, Total=380 [2025-03-09 02:12:39,417 INFO L87 Difference]: Start difference. First operand 487 states and 725 transitions. Second operand has 20 states, 20 states have (on average 5.35) internal successors, (107), 19 states have internal predecessors, (107), 7 states have call successors, (22), 1 states have call predecessors, (22), 2 states have return successors, (24), 7 states have call predecessors, (24), 7 states have call successors, (24) [2025-03-09 02:12:40,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:12:40,270 INFO L93 Difference]: Finished difference Result 996 states and 1373 transitions. [2025-03-09 02:12:40,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-03-09 02:12:40,271 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 5.35) internal successors, (107), 19 states have internal predecessors, (107), 7 states have call successors, (22), 1 states have call predecessors, (22), 2 states have return successors, (24), 7 states have call predecessors, (24), 7 states have call successors, (24) Word has length 84 [2025-03-09 02:12:40,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:12:40,272 INFO L225 Difference]: With dead ends: 996 [2025-03-09 02:12:40,272 INFO L226 Difference]: Without dead ends: 597 [2025-03-09 02:12:40,274 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 677 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=611, Invalid=2145, Unknown=0, NotChecked=0, Total=2756 [2025-03-09 02:12:40,274 INFO L435 NwaCegarLoop]: 65 mSDtfsCounter, 1375 mSDsluCounter, 510 mSDsCounter, 0 mSdLazyCounter, 1194 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1375 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 1301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 1194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-09 02:12:40,274 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1375 Valid, 575 Invalid, 1301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 1194 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-09 02:12:40,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597 states. [2025-03-09 02:12:40,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597 to 484. [2025-03-09 02:12:40,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 484 states, 384 states have (on average 1.5130208333333333) internal successors, (581), 433 states have internal predecessors, (581), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2025-03-09 02:12:40,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 677 transitions. [2025-03-09 02:12:40,297 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 677 transitions. Word has length 84 [2025-03-09 02:12:40,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:12:40,297 INFO L471 AbstractCegarLoop]: Abstraction has 484 states and 677 transitions. [2025-03-09 02:12:40,297 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 5.35) internal successors, (107), 19 states have internal predecessors, (107), 7 states have call successors, (22), 1 states have call predecessors, (22), 2 states have return successors, (24), 7 states have call predecessors, (24), 7 states have call successors, (24) [2025-03-09 02:12:40,297 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 677 transitions. [2025-03-09 02:12:40,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2025-03-09 02:12:40,298 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:12:40,298 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:12:40,304 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2025-03-09 02:12:40,498 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,SelfDestructingSolverStorable33 [2025-03-09 02:12:40,499 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-09 02:12:40,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:12:40,499 INFO L85 PathProgramCache]: Analyzing trace with hash -497483532, now seen corresponding path program 1 times [2025-03-09 02:12:40,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:12:40,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845571734] [2025-03-09 02:12:40,499 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:12:40,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:12:40,502 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes. [2025-03-09 02:12:40,516 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-03-09 02:12:40,516 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:12:40,516 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:12:40,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [589202971] [2025-03-09 02:12:40,516 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:12:40,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:12:40,516 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:12:40,522 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) [2025-03-09 02:12:40,524 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2025-03-09 02:12:40,544 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes. [2025-03-09 02:12:40,558 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-03-09 02:12:40,558 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:12:40,558 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:12:40,559 INFO L256 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-03-09 02:12:40,560 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:12:40,887 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-03-09 02:12:40,887 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:12:41,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:12:41,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845571734] [2025-03-09 02:12:41,154 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:12:41,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [589202971] [2025-03-09 02:12:41,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [589202971] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:12:41,154 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:12:41,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2025-03-09 02:12:41,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031328375] [2025-03-09 02:12:41,154 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:12:41,154 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-09 02:12:41,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:12:41,156 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-09 02:12:41,156 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=277, Unknown=0, NotChecked=0, Total=342 [2025-03-09 02:12:41,156 INFO L87 Difference]: Start difference. First operand 484 states and 677 transitions. Second operand has 13 states, 12 states have (on average 4.5) internal successors, (54), 12 states have internal predecessors, (54), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-03-09 02:12:41,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:12:41,792 INFO L93 Difference]: Finished difference Result 579 states and 782 transitions. [2025-03-09 02:12:41,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-09 02:12:41,792 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.5) internal successors, (54), 12 states have internal predecessors, (54), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 85 [2025-03-09 02:12:41,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:12:41,794 INFO L225 Difference]: With dead ends: 579 [2025-03-09 02:12:41,794 INFO L226 Difference]: Without dead ends: 578 [2025-03-09 02:12:41,794 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=150, Invalid=606, Unknown=0, NotChecked=0, Total=756 [2025-03-09 02:12:41,795 INFO L435 NwaCegarLoop]: 69 mSDtfsCounter, 485 mSDsluCounter, 413 mSDsCounter, 0 mSdLazyCounter, 1040 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 489 SdHoareTripleChecker+Valid, 482 SdHoareTripleChecker+Invalid, 1081 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 1040 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-09 02:12:41,795 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [489 Valid, 482 Invalid, 1081 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 1040 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-09 02:12:41,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2025-03-09 02:12:41,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 485. [2025-03-09 02:12:41,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 485 states, 385 states have (on average 1.5116883116883117) internal successors, (582), 434 states have internal predecessors, (582), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2025-03-09 02:12:41,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 485 states and 678 transitions. [2025-03-09 02:12:41,835 INFO L78 Accepts]: Start accepts. Automaton has 485 states and 678 transitions. Word has length 85 [2025-03-09 02:12:41,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:12:41,835 INFO L471 AbstractCegarLoop]: Abstraction has 485 states and 678 transitions. [2025-03-09 02:12:41,836 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.5) internal successors, (54), 12 states have internal predecessors, (54), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-03-09 02:12:41,836 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 678 transitions. [2025-03-09 02:12:41,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2025-03-09 02:12:41,836 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:12:41,836 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:12:41,842 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2025-03-09 02:12:42,041 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2025-03-09 02:12:42,041 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-09 02:12:42,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:12:42,041 INFO L85 PathProgramCache]: Analyzing trace with hash 1757879686, now seen corresponding path program 1 times [2025-03-09 02:12:42,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:12:42,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111579627] [2025-03-09 02:12:42,041 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:12:42,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:12:42,045 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-03-09 02:12:42,050 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-03-09 02:12:42,050 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:12:42,050 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:12:42,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1638125215] [2025-03-09 02:12:42,051 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:12:42,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:12:42,052 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:12:42,054 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) [2025-03-09 02:12:42,055 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2025-03-09 02:12:42,075 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-03-09 02:12:42,088 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-03-09 02:12:42,088 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:12:42,088 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:12:42,090 INFO L256 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-03-09 02:12:42,091 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:12:42,411 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-03-09 02:12:42,411 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:12:46,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:12:46,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111579627] [2025-03-09 02:12:46,881 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:12:46,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1638125215] [2025-03-09 02:12:46,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1638125215] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:12:46,881 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:12:46,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2025-03-09 02:12:46,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643268818] [2025-03-09 02:12:46,881 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:12:46,882 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-09 02:12:46,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:12:46,882 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-09 02:12:46,882 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=273, Unknown=1, NotChecked=0, Total=342 [2025-03-09 02:12:46,882 INFO L87 Difference]: Start difference. First operand 485 states and 678 transitions. Second operand has 13 states, 12 states have (on average 4.583333333333333) internal successors, (55), 12 states have internal predecessors, (55), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-03-09 02:12:47,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:12:47,544 INFO L93 Difference]: Finished difference Result 581 states and 781 transitions. [2025-03-09 02:12:47,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-09 02:12:47,544 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.583333333333333) internal successors, (55), 12 states have internal predecessors, (55), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 86 [2025-03-09 02:12:47,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:12:47,546 INFO L225 Difference]: With dead ends: 581 [2025-03-09 02:12:47,546 INFO L226 Difference]: Without dead ends: 580 [2025-03-09 02:12:47,546 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=180, Invalid=631, Unknown=1, NotChecked=0, Total=812 [2025-03-09 02:12:47,547 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 490 mSDsluCounter, 451 mSDsCounter, 0 mSdLazyCounter, 1152 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 494 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 1195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 1152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-09 02:12:47,547 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [494 Valid, 521 Invalid, 1195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 1152 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-09 02:12:47,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2025-03-09 02:12:47,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 486. [2025-03-09 02:12:47,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 486 states, 386 states have (on average 1.5103626943005182) internal successors, (583), 435 states have internal predecessors, (583), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2025-03-09 02:12:47,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 486 states and 679 transitions. [2025-03-09 02:12:47,570 INFO L78 Accepts]: Start accepts. Automaton has 486 states and 679 transitions. Word has length 86 [2025-03-09 02:12:47,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:12:47,570 INFO L471 AbstractCegarLoop]: Abstraction has 486 states and 679 transitions. [2025-03-09 02:12:47,570 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.583333333333333) internal successors, (55), 12 states have internal predecessors, (55), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-03-09 02:12:47,570 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 679 transitions. [2025-03-09 02:12:47,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2025-03-09 02:12:47,571 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:12:47,571 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:12:47,577 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2025-03-09 02:12:47,775 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:12:47,775 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-09 02:12:47,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:12:47,776 INFO L85 PathProgramCache]: Analyzing trace with hash -1340304590, now seen corresponding path program 1 times [2025-03-09 02:12:47,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:12:47,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874932718] [2025-03-09 02:12:47,776 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:12:47,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:12:47,779 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-03-09 02:12:47,784 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-03-09 02:12:47,784 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:12:47,784 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:12:47,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [632477184] [2025-03-09 02:12:47,785 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:12:47,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:12:47,785 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:12:47,787 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) [2025-03-09 02:12:47,788 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2025-03-09 02:12:47,808 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-03-09 02:12:47,823 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-03-09 02:12:47,823 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:12:47,823 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:12:47,824 INFO L256 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-03-09 02:12:47,826 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:12:48,128 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-03-09 02:12:48,128 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:12:52,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:12:52,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874932718] [2025-03-09 02:12:52,444 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:12:52,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [632477184] [2025-03-09 02:12:52,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [632477184] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:12:52,444 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:12:52,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2025-03-09 02:12:52,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475425278] [2025-03-09 02:12:52,445 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:12:52,445 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-09 02:12:52,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:12:52,445 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-09 02:12:52,445 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=285, Unknown=1, NotChecked=0, Total=342 [2025-03-09 02:12:52,445 INFO L87 Difference]: Start difference. First operand 486 states and 679 transitions. Second operand has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 12 states have internal predecessors, (56), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-03-09 02:12:53,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:12:53,175 INFO L93 Difference]: Finished difference Result 579 states and 780 transitions. [2025-03-09 02:12:53,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-09 02:12:53,175 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 12 states have internal predecessors, (56), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 87 [2025-03-09 02:12:53,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:12:53,177 INFO L225 Difference]: With dead ends: 579 [2025-03-09 02:12:53,177 INFO L226 Difference]: Without dead ends: 578 [2025-03-09 02:12:53,177 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=133, Invalid=622, Unknown=1, NotChecked=0, Total=756 [2025-03-09 02:12:53,178 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 496 mSDsluCounter, 465 mSDsCounter, 0 mSdLazyCounter, 1109 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 500 SdHoareTripleChecker+Valid, 536 SdHoareTripleChecker+Invalid, 1153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 1109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-09 02:12:53,178 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [500 Valid, 536 Invalid, 1153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 1109 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-09 02:12:53,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2025-03-09 02:12:53,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 487. [2025-03-09 02:12:53,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 487 states, 387 states have (on average 1.5090439276485788) internal successors, (584), 436 states have internal predecessors, (584), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2025-03-09 02:12:53,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 487 states and 680 transitions. [2025-03-09 02:12:53,201 INFO L78 Accepts]: Start accepts. Automaton has 487 states and 680 transitions. Word has length 87 [2025-03-09 02:12:53,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:12:53,201 INFO L471 AbstractCegarLoop]: Abstraction has 487 states and 680 transitions. [2025-03-09 02:12:53,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 12 states have internal predecessors, (56), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-03-09 02:12:53,202 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 680 transitions. [2025-03-09 02:12:53,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2025-03-09 02:12:53,202 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:12:53,202 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:12:53,208 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2025-03-09 02:12:53,402 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2025-03-09 02:12:53,403 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-09 02:12:53,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:12:53,403 INFO L85 PathProgramCache]: Analyzing trace with hash 1400230660, now seen corresponding path program 1 times [2025-03-09 02:12:53,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:12:53,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725644688] [2025-03-09 02:12:53,403 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:12:53,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:12:53,407 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-03-09 02:12:53,416 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-03-09 02:12:53,416 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:12:53,416 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:12:53,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1435354506] [2025-03-09 02:12:53,419 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:12:53,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:12:53,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:12:53,421 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) [2025-03-09 02:12:53,422 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2025-03-09 02:12:53,441 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-03-09 02:12:53,456 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-03-09 02:12:53,456 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:12:53,456 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:12:53,457 INFO L256 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-03-09 02:12:53,458 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:12:53,775 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-03-09 02:12:53,776 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:12:58,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:12:58,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725644688] [2025-03-09 02:12:58,598 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:12:58,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1435354506] [2025-03-09 02:12:58,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1435354506] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:12:58,599 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:12:58,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2025-03-09 02:12:58,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884112351] [2025-03-09 02:12:58,599 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:12:58,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-09 02:12:58,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:12:58,599 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-09 02:12:58,600 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=347, Unknown=1, NotChecked=0, Total=420 [2025-03-09 02:12:58,600 INFO L87 Difference]: Start difference. First operand 487 states and 680 transitions. Second operand has 14 states, 13 states have (on average 4.384615384615385) internal successors, (57), 13 states have internal predecessors, (57), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-03-09 02:12:59,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:12:59,312 INFO L93 Difference]: Finished difference Result 579 states and 779 transitions. [2025-03-09 02:12:59,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-09 02:12:59,312 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 4.384615384615385) internal successors, (57), 13 states have internal predecessors, (57), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 88 [2025-03-09 02:12:59,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:12:59,314 INFO L225 Difference]: With dead ends: 579 [2025-03-09 02:12:59,314 INFO L226 Difference]: Without dead ends: 578 [2025-03-09 02:12:59,314 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=166, Invalid=763, Unknown=1, NotChecked=0, Total=930 [2025-03-09 02:12:59,315 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 488 mSDsluCounter, 424 mSDsCounter, 0 mSdLazyCounter, 1034 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 492 SdHoareTripleChecker+Valid, 496 SdHoareTripleChecker+Invalid, 1075 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 1034 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-09 02:12:59,315 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [492 Valid, 496 Invalid, 1075 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 1034 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-09 02:12:59,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2025-03-09 02:12:59,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 488. [2025-03-09 02:12:59,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 488 states, 388 states have (on average 1.5077319587628866) internal successors, (585), 437 states have internal predecessors, (585), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2025-03-09 02:12:59,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 488 states and 681 transitions. [2025-03-09 02:12:59,343 INFO L78 Accepts]: Start accepts. Automaton has 488 states and 681 transitions. Word has length 88 [2025-03-09 02:12:59,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:12:59,343 INFO L471 AbstractCegarLoop]: Abstraction has 488 states and 681 transitions. [2025-03-09 02:12:59,343 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 4.384615384615385) internal successors, (57), 13 states have internal predecessors, (57), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-03-09 02:12:59,344 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 681 transitions. [2025-03-09 02:12:59,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2025-03-09 02:12:59,344 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:12:59,344 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:12:59,351 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2025-03-09 02:12:59,548 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,SelfDestructingSolverStorable37 [2025-03-09 02:12:59,548 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-09 02:12:59,548 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:12:59,548 INFO L85 PathProgramCache]: Analyzing trace with hash 457477488, now seen corresponding path program 1 times [2025-03-09 02:12:59,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:12:59,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002606649] [2025-03-09 02:12:59,548 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:12:59,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:12:59,551 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 89 statements into 1 equivalence classes. [2025-03-09 02:12:59,560 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 89 of 89 statements. [2025-03-09 02:12:59,560 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:12:59,560 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:12:59,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1601993484] [2025-03-09 02:12:59,563 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:12:59,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:12:59,563 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:12:59,565 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) [2025-03-09 02:12:59,566 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2025-03-09 02:12:59,588 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 89 statements into 1 equivalence classes. [2025-03-09 02:12:59,608 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 89 of 89 statements. [2025-03-09 02:12:59,608 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:12:59,608 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:12:59,609 INFO L256 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-03-09 02:12:59,610 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:12:59,858 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-03-09 02:12:59,858 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:12:59,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:12:59,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002606649] [2025-03-09 02:12:59,954 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:12:59,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1601993484] [2025-03-09 02:12:59,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1601993484] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:12:59,954 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:12:59,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-03-09 02:12:59,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233603975] [2025-03-09 02:12:59,955 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:12:59,955 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-09 02:12:59,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:12:59,955 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-09 02:12:59,955 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2025-03-09 02:12:59,955 INFO L87 Difference]: Start difference. First operand 488 states and 681 transitions. Second operand has 9 states, 8 states have (on average 7.25) internal successors, (58), 8 states have internal predecessors, (58), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-03-09 02:13:00,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:13:00,288 INFO L93 Difference]: Finished difference Result 534 states and 711 transitions. [2025-03-09 02:13:00,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-09 02:13:00,289 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 7.25) internal successors, (58), 8 states have internal predecessors, (58), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 89 [2025-03-09 02:13:00,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:13:00,290 INFO L225 Difference]: With dead ends: 534 [2025-03-09 02:13:00,290 INFO L226 Difference]: Without dead ends: 533 [2025-03-09 02:13:00,291 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2025-03-09 02:13:00,291 INFO L435 NwaCegarLoop]: 90 mSDtfsCounter, 318 mSDsluCounter, 402 mSDsCounter, 0 mSdLazyCounter, 565 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 326 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 581 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 565 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-09 02:13:00,291 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [326 Valid, 492 Invalid, 581 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 565 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-09 02:13:00,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 533 states. [2025-03-09 02:13:00,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 533 to 496. [2025-03-09 02:13:00,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 496 states, 396 states have (on average 1.5126262626262625) internal successors, (599), 445 states have internal predecessors, (599), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2025-03-09 02:13:00,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 496 states and 695 transitions. [2025-03-09 02:13:00,315 INFO L78 Accepts]: Start accepts. Automaton has 496 states and 695 transitions. Word has length 89 [2025-03-09 02:13:00,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:13:00,315 INFO L471 AbstractCegarLoop]: Abstraction has 496 states and 695 transitions. [2025-03-09 02:13:00,315 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 7.25) internal successors, (58), 8 states have internal predecessors, (58), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-03-09 02:13:00,315 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 695 transitions. [2025-03-09 02:13:00,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2025-03-09 02:13:00,316 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:13:00,316 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:13:00,322 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2025-03-09 02:13:00,516 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,SelfDestructingSolverStorable38 [2025-03-09 02:13:00,516 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-09 02:13:00,517 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:13:00,517 INFO L85 PathProgramCache]: Analyzing trace with hash 1296900226, now seen corresponding path program 1 times [2025-03-09 02:13:00,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:13:00,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193433815] [2025-03-09 02:13:00,517 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:13:00,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:13:00,524 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 90 statements into 1 equivalence classes. [2025-03-09 02:13:00,529 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 90 of 90 statements. [2025-03-09 02:13:00,529 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:13:00,529 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:13:00,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [67647132] [2025-03-09 02:13:00,529 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:13:00,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:13:00,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:13:00,532 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) [2025-03-09 02:13:00,533 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2025-03-09 02:13:00,551 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 90 statements into 1 equivalence classes. [2025-03-09 02:13:00,567 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 90 of 90 statements. [2025-03-09 02:13:00,567 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:13:00,567 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:13:00,568 INFO L256 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-03-09 02:13:00,569 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:13:00,814 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-03-09 02:13:00,814 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:13:01,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:13:01,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193433815] [2025-03-09 02:13:01,025 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:13:01,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [67647132] [2025-03-09 02:13:01,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [67647132] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:13:01,025 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:13:01,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-03-09 02:13:01,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884989649] [2025-03-09 02:13:01,025 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:13:01,025 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-09 02:13:01,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:13:01,026 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-09 02:13:01,026 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2025-03-09 02:13:01,026 INFO L87 Difference]: Start difference. First operand 496 states and 695 transitions. Second operand has 9 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-03-09 02:13:01,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:13:01,444 INFO L93 Difference]: Finished difference Result 534 states and 710 transitions. [2025-03-09 02:13:01,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-09 02:13:01,445 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 90 [2025-03-09 02:13:01,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:13:01,446 INFO L225 Difference]: With dead ends: 534 [2025-03-09 02:13:01,446 INFO L226 Difference]: Without dead ends: 533 [2025-03-09 02:13:01,447 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2025-03-09 02:13:01,447 INFO L435 NwaCegarLoop]: 90 mSDtfsCounter, 308 mSDsluCounter, 420 mSDsCounter, 0 mSdLazyCounter, 585 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 316 SdHoareTripleChecker+Valid, 510 SdHoareTripleChecker+Invalid, 601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-09 02:13:01,447 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [316 Valid, 510 Invalid, 601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 585 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-09 02:13:01,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 533 states. [2025-03-09 02:13:01,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 533 to 497. [2025-03-09 02:13:01,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 497 states, 397 states have (on average 1.5113350125944585) internal successors, (600), 446 states have internal predecessors, (600), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2025-03-09 02:13:01,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 497 states and 696 transitions. [2025-03-09 02:13:01,472 INFO L78 Accepts]: Start accepts. Automaton has 497 states and 696 transitions. Word has length 90 [2025-03-09 02:13:01,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:13:01,474 INFO L471 AbstractCegarLoop]: Abstraction has 497 states and 696 transitions. [2025-03-09 02:13:01,474 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-03-09 02:13:01,474 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 696 transitions. [2025-03-09 02:13:01,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2025-03-09 02:13:01,474 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:13:01,475 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:13:01,481 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2025-03-09 02:13:01,675 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2025-03-09 02:13:01,675 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-09 02:13:01,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:13:01,676 INFO L85 PathProgramCache]: Analyzing trace with hash 1549201326, now seen corresponding path program 1 times [2025-03-09 02:13:01,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:13:01,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114799947] [2025-03-09 02:13:01,676 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:13:01,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:13:01,679 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-03-09 02:13:01,684 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-03-09 02:13:01,684 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:13:01,684 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:13:01,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2108824437] [2025-03-09 02:13:01,685 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:13:01,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:13:01,685 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:13:01,687 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) [2025-03-09 02:13:01,688 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2025-03-09 02:13:01,711 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-03-09 02:13:01,726 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-03-09 02:13:01,726 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:13:01,726 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:13:01,728 INFO L256 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-03-09 02:13:01,730 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:13:02,013 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-03-09 02:13:02,013 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:13:02,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:13:02,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114799947] [2025-03-09 02:13:02,343 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:13:02,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2108824437] [2025-03-09 02:13:02,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2108824437] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:13:02,344 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:13:02,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2025-03-09 02:13:02,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941599702] [2025-03-09 02:13:02,344 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:13:02,344 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-09 02:13:02,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:13:02,345 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-09 02:13:02,345 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2025-03-09 02:13:02,345 INFO L87 Difference]: Start difference. First operand 497 states and 696 transitions. Second operand has 10 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-03-09 02:13:02,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:13:02,902 INFO L93 Difference]: Finished difference Result 534 states and 709 transitions. [2025-03-09 02:13:02,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-09 02:13:02,902 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 91 [2025-03-09 02:13:02,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:13:02,904 INFO L225 Difference]: With dead ends: 534 [2025-03-09 02:13:02,904 INFO L226 Difference]: Without dead ends: 533 [2025-03-09 02:13:02,904 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=261, Unknown=0, NotChecked=0, Total=342 [2025-03-09 02:13:02,905 INFO L435 NwaCegarLoop]: 88 mSDtfsCounter, 312 mSDsluCounter, 419 mSDsCounter, 0 mSdLazyCounter, 693 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 320 SdHoareTripleChecker+Valid, 507 SdHoareTripleChecker+Invalid, 709 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 693 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-09 02:13:02,905 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [320 Valid, 507 Invalid, 709 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 693 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-09 02:13:02,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 533 states. [2025-03-09 02:13:02,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 533 to 498. [2025-03-09 02:13:02,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 498 states, 398 states have (on average 1.5100502512562815) internal successors, (601), 447 states have internal predecessors, (601), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2025-03-09 02:13:02,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 498 states and 697 transitions. [2025-03-09 02:13:02,932 INFO L78 Accepts]: Start accepts. Automaton has 498 states and 697 transitions. Word has length 91 [2025-03-09 02:13:02,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:13:02,933 INFO L471 AbstractCegarLoop]: Abstraction has 498 states and 697 transitions. [2025-03-09 02:13:02,933 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-03-09 02:13:02,933 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 697 transitions. [2025-03-09 02:13:02,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2025-03-09 02:13:02,933 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:13:02,934 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:13:02,940 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2025-03-09 02:13:03,134 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,SelfDestructingSolverStorable40 [2025-03-09 02:13:03,135 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-09 02:13:03,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:13:03,135 INFO L85 PathProgramCache]: Analyzing trace with hash 780600832, now seen corresponding path program 1 times [2025-03-09 02:13:03,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:13:03,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655561474] [2025-03-09 02:13:03,135 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:13:03,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:13:03,138 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 92 statements into 1 equivalence classes. [2025-03-09 02:13:03,143 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 92 of 92 statements. [2025-03-09 02:13:03,144 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:13:03,144 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:13:03,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [364919293] [2025-03-09 02:13:03,144 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:13:03,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:13:03,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:13:03,146 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) [2025-03-09 02:13:03,152 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2025-03-09 02:13:03,174 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 92 statements into 1 equivalence classes. [2025-03-09 02:13:03,189 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 92 of 92 statements. [2025-03-09 02:13:03,190 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:13:03,190 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:13:03,191 INFO L256 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-03-09 02:13:03,192 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:13:03,873 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-03-09 02:13:03,873 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:13:08,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:13:08,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655561474] [2025-03-09 02:13:08,951 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:13:08,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [364919293] [2025-03-09 02:13:08,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [364919293] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:13:08,951 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:13:08,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2025-03-09 02:13:08,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532498866] [2025-03-09 02:13:08,951 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:13:08,952 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-09 02:13:08,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:13:08,952 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-09 02:13:08,952 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=350, Unknown=1, NotChecked=0, Total=420 [2025-03-09 02:13:08,952 INFO L87 Difference]: Start difference. First operand 498 states and 697 transitions. Second operand has 14 states, 13 states have (on average 4.6923076923076925) internal successors, (61), 13 states have internal predecessors, (61), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-03-09 02:13:09,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:13:09,871 INFO L93 Difference]: Finished difference Result 585 states and 791 transitions. [2025-03-09 02:13:09,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-09 02:13:09,874 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 4.6923076923076925) internal successors, (61), 13 states have internal predecessors, (61), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 92 [2025-03-09 02:13:09,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:13:09,875 INFO L225 Difference]: With dead ends: 585 [2025-03-09 02:13:09,875 INFO L226 Difference]: Without dead ends: 584 [2025-03-09 02:13:09,876 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=104, Invalid=495, Unknown=1, NotChecked=0, Total=600 [2025-03-09 02:13:09,876 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 331 mSDsluCounter, 496 mSDsCounter, 0 mSdLazyCounter, 1416 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 339 SdHoareTripleChecker+Valid, 568 SdHoareTripleChecker+Invalid, 1440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 1416 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-03-09 02:13:09,876 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [339 Valid, 568 Invalid, 1440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 1416 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-03-09 02:13:09,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 584 states. [2025-03-09 02:13:09,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 584 to 502. [2025-03-09 02:13:09,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 502 states, 402 states have (on average 1.5049751243781095) internal successors, (605), 451 states have internal predecessors, (605), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2025-03-09 02:13:09,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 502 states and 701 transitions. [2025-03-09 02:13:09,903 INFO L78 Accepts]: Start accepts. Automaton has 502 states and 701 transitions. Word has length 92 [2025-03-09 02:13:09,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:13:09,904 INFO L471 AbstractCegarLoop]: Abstraction has 502 states and 701 transitions. [2025-03-09 02:13:09,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 4.6923076923076925) internal successors, (61), 13 states have internal predecessors, (61), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-03-09 02:13:09,904 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 701 transitions. [2025-03-09 02:13:09,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2025-03-09 02:13:09,905 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:13:09,905 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:13:09,912 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2025-03-09 02:13:10,106 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:13:10,106 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-09 02:13:10,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:13:10,107 INFO L85 PathProgramCache]: Analyzing trace with hash -1571178004, now seen corresponding path program 1 times [2025-03-09 02:13:10,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:13:10,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346697270] [2025-03-09 02:13:10,107 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:13:10,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:13:10,110 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 93 statements into 1 equivalence classes. [2025-03-09 02:13:10,118 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 93 of 93 statements. [2025-03-09 02:13:10,119 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:13:10,119 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:13:10,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [917465212] [2025-03-09 02:13:10,120 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:13:10,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:13:10,120 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:13:10,122 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) [2025-03-09 02:13:10,124 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2025-03-09 02:13:10,147 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 93 statements into 1 equivalence classes. [2025-03-09 02:13:10,164 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 93 of 93 statements. [2025-03-09 02:13:10,164 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:13:10,164 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:13:10,165 INFO L256 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-03-09 02:13:10,166 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:13:10,644 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-03-09 02:13:10,644 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:13:19,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:13:19,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346697270] [2025-03-09 02:13:19,194 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:13:19,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [917465212] [2025-03-09 02:13:19,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [917465212] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:13:19,194 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:13:19,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-03-09 02:13:19,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760401469] [2025-03-09 02:13:19,194 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:13:19,194 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-09 02:13:19,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:13:19,195 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-09 02:13:19,195 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=209, Unknown=3, NotChecked=0, Total=272 [2025-03-09 02:13:19,195 INFO L87 Difference]: Start difference. First operand 502 states and 701 transitions. Second operand has 12 states, 11 states have (on average 5.636363636363637) internal successors, (62), 11 states have internal predecessors, (62), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-03-09 02:13:19,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:13:19,695 INFO L93 Difference]: Finished difference Result 589 states and 792 transitions. [2025-03-09 02:13:19,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-09 02:13:19,695 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.636363636363637) internal successors, (62), 11 states have internal predecessors, (62), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 93 [2025-03-09 02:13:19,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:13:19,697 INFO L225 Difference]: With dead ends: 589 [2025-03-09 02:13:19,697 INFO L226 Difference]: Without dead ends: 588 [2025-03-09 02:13:19,698 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 8.6s TimeCoverageRelationStatistics Valid=116, Invalid=343, Unknown=3, NotChecked=0, Total=462 [2025-03-09 02:13:19,700 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 350 mSDsluCounter, 434 mSDsCounter, 0 mSdLazyCounter, 779 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 362 SdHoareTripleChecker+Valid, 516 SdHoareTripleChecker+Invalid, 799 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 779 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-09 02:13:19,700 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [362 Valid, 516 Invalid, 799 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 779 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-09 02:13:19,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 588 states. [2025-03-09 02:13:19,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 588 to 503. [2025-03-09 02:13:19,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 503 states, 403 states have (on average 1.5037220843672456) internal successors, (606), 452 states have internal predecessors, (606), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2025-03-09 02:13:19,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 503 states and 702 transitions. [2025-03-09 02:13:19,726 INFO L78 Accepts]: Start accepts. Automaton has 503 states and 702 transitions. Word has length 93 [2025-03-09 02:13:19,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:13:19,728 INFO L471 AbstractCegarLoop]: Abstraction has 503 states and 702 transitions. [2025-03-09 02:13:19,728 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.636363636363637) internal successors, (62), 11 states have internal predecessors, (62), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-03-09 02:13:19,728 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 702 transitions. [2025-03-09 02:13:19,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2025-03-09 02:13:19,729 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:13:19,729 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 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] [2025-03-09 02:13:19,736 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Ended with exit code 0 [2025-03-09 02:13:19,930 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2025-03-09 02:13:19,930 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-09 02:13:19,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:13:19,931 INFO L85 PathProgramCache]: Analyzing trace with hash 625299931, now seen corresponding path program 1 times [2025-03-09 02:13:19,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:13:19,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630969816] [2025-03-09 02:13:19,931 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:13:19,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:13:19,934 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-03-09 02:13:19,937 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-03-09 02:13:19,937 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:13:19,937 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:13:19,971 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-03-09 02:13:19,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:13:19,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630969816] [2025-03-09 02:13:19,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630969816] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:13:19,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:13:19,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-09 02:13:19,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535647914] [2025-03-09 02:13:19,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:13:19,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-09 02:13:19,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:13:19,972 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-09 02:13:19,972 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-09 02:13:19,972 INFO L87 Difference]: Start difference. First operand 503 states and 702 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2025-03-09 02:13:20,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:13:20,115 INFO L93 Difference]: Finished difference Result 548 states and 709 transitions. [2025-03-09 02:13:20,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-09 02:13:20,116 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 95 [2025-03-09 02:13:20,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:13:20,117 INFO L225 Difference]: With dead ends: 548 [2025-03-09 02:13:20,117 INFO L226 Difference]: Without dead ends: 436 [2025-03-09 02:13:20,117 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-03-09 02:13:20,117 INFO L435 NwaCegarLoop]: 116 mSDtfsCounter, 23 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 413 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:13:20,117 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 413 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:13:20,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2025-03-09 02:13:20,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 417. [2025-03-09 02:13:20,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 417 states, 329 states have (on average 1.5015197568389058) internal successors, (494), 378 states have internal predecessors, (494), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2025-03-09 02:13:20,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 566 transitions. [2025-03-09 02:13:20,135 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 566 transitions. Word has length 95 [2025-03-09 02:13:20,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:13:20,135 INFO L471 AbstractCegarLoop]: Abstraction has 417 states and 566 transitions. [2025-03-09 02:13:20,135 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2025-03-09 02:13:20,135 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 566 transitions. [2025-03-09 02:13:20,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2025-03-09 02:13:20,135 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:13:20,136 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:13:20,136 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2025-03-09 02:13:20,136 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-09 02:13:20,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:13:20,136 INFO L85 PathProgramCache]: Analyzing trace with hash -1461877890, now seen corresponding path program 1 times [2025-03-09 02:13:20,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:13:20,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498417113] [2025-03-09 02:13:20,136 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:13:20,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:13:20,139 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes. [2025-03-09 02:13:20,151 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements. [2025-03-09 02:13:20,151 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:13:20,151 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:13:20,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [529810498] [2025-03-09 02:13:20,154 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:13:20,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:13:20,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:13:20,159 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) [2025-03-09 02:13:20,160 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2025-03-09 02:13:20,184 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes. [2025-03-09 02:13:20,198 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements. [2025-03-09 02:13:20,198 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:13:20,198 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:13:20,199 INFO L256 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-03-09 02:13:20,200 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:13:20,678 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-03-09 02:13:20,678 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:13:23,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:13:23,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498417113] [2025-03-09 02:13:23,000 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:13:23,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [529810498] [2025-03-09 02:13:23,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [529810498] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:13:23,000 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:13:23,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-03-09 02:13:23,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617278988] [2025-03-09 02:13:23,000 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:13:23,001 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-09 02:13:23,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:13:23,001 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-09 02:13:23,001 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=215, Unknown=1, NotChecked=0, Total=272 [2025-03-09 02:13:23,001 INFO L87 Difference]: Start difference. First operand 417 states and 566 transitions. Second operand has 12 states, 11 states have (on average 5.7272727272727275) internal successors, (63), 11 states have internal predecessors, (63), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-03-09 02:13:23,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:13:23,480 INFO L93 Difference]: Finished difference Result 438 states and 578 transitions. [2025-03-09 02:13:23,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-09 02:13:23,480 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.7272727272727275) internal successors, (63), 11 states have internal predecessors, (63), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 94 [2025-03-09 02:13:23,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:13:23,488 INFO L225 Difference]: With dead ends: 438 [2025-03-09 02:13:23,488 INFO L226 Difference]: Without dead ends: 437 [2025-03-09 02:13:23,488 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=97, Invalid=322, Unknown=1, NotChecked=0, Total=420 [2025-03-09 02:13:23,489 INFO L435 NwaCegarLoop]: 58 mSDtfsCounter, 278 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 732 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 290 SdHoareTripleChecker+Valid, 428 SdHoareTripleChecker+Invalid, 746 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 732 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-09 02:13:23,489 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [290 Valid, 428 Invalid, 746 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 732 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-09 02:13:23,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2025-03-09 02:13:23,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 418. [2025-03-09 02:13:23,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 418 states, 330 states have (on average 1.5) internal successors, (495), 379 states have internal predecessors, (495), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2025-03-09 02:13:23,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 567 transitions. [2025-03-09 02:13:23,505 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 567 transitions. Word has length 94 [2025-03-09 02:13:23,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:13:23,505 INFO L471 AbstractCegarLoop]: Abstraction has 418 states and 567 transitions. [2025-03-09 02:13:23,506 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.7272727272727275) internal successors, (63), 11 states have internal predecessors, (63), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-03-09 02:13:23,506 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 567 transitions. [2025-03-09 02:13:23,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2025-03-09 02:13:23,506 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:13:23,506 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:13:23,512 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Ended with exit code 0 [2025-03-09 02:13:23,706 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:13:23,707 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-09 02:13:23,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:13:23,707 INFO L85 PathProgramCache]: Analyzing trace with hash 1926425642, now seen corresponding path program 1 times [2025-03-09 02:13:23,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:13:23,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842184780] [2025-03-09 02:13:23,707 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:13:23,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:13:23,710 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-03-09 02:13:23,714 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-03-09 02:13:23,714 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:13:23,714 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:13:23,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1006312723] [2025-03-09 02:13:23,715 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:13:23,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:13:23,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:13:23,718 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) [2025-03-09 02:13:23,718 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2025-03-09 02:13:23,738 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-03-09 02:13:23,755 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-03-09 02:13:23,755 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:13:23,755 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:13:23,756 INFO L256 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-03-09 02:13:23,757 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:13:24,219 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-03-09 02:13:24,219 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:13:40,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:13:40,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842184780] [2025-03-09 02:13:40,414 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:13:40,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1006312723] [2025-03-09 02:13:40,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1006312723] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:13:40,414 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:13:40,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2025-03-09 02:13:40,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701508466] [2025-03-09 02:13:40,414 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:13:40,414 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-09 02:13:40,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:13:40,414 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-09 02:13:40,414 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=281, Unknown=3, NotChecked=0, Total=342 [2025-03-09 02:13:40,415 INFO L87 Difference]: Start difference. First operand 418 states and 567 transitions. Second operand has 13 states, 12 states have (on average 5.333333333333333) internal successors, (64), 12 states have internal predecessors, (64), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-03-09 02:13:41,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:13:41,052 INFO L93 Difference]: Finished difference Result 438 states and 577 transitions. [2025-03-09 02:13:41,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-09 02:13:41,053 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.333333333333333) internal successors, (64), 12 states have internal predecessors, (64), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 95 [2025-03-09 02:13:41,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:13:41,054 INFO L225 Difference]: With dead ends: 438 [2025-03-09 02:13:41,054 INFO L226 Difference]: Without dead ends: 437 [2025-03-09 02:13:41,054 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 16.0s TimeCoverageRelationStatistics Valid=95, Invalid=408, Unknown=3, NotChecked=0, Total=506 [2025-03-09 02:13:41,055 INFO L435 NwaCegarLoop]: 58 mSDtfsCounter, 280 mSDsluCounter, 388 mSDsCounter, 0 mSdLazyCounter, 844 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 292 SdHoareTripleChecker+Valid, 446 SdHoareTripleChecker+Invalid, 856 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 844 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-09 02:13:41,055 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [292 Valid, 446 Invalid, 856 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 844 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-09 02:13:41,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2025-03-09 02:13:41,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 419. [2025-03-09 02:13:41,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 419 states, 331 states have (on average 1.498489425981873) internal successors, (496), 380 states have internal predecessors, (496), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2025-03-09 02:13:41,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 568 transitions. [2025-03-09 02:13:41,075 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 568 transitions. Word has length 95 [2025-03-09 02:13:41,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:13:41,075 INFO L471 AbstractCegarLoop]: Abstraction has 419 states and 568 transitions. [2025-03-09 02:13:41,075 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.333333333333333) internal successors, (64), 12 states have internal predecessors, (64), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-03-09 02:13:41,075 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 568 transitions. [2025-03-09 02:13:41,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2025-03-09 02:13:41,076 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:13:41,076 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:13:41,087 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Ended with exit code 0 [2025-03-09 02:13:41,276 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2025-03-09 02:13:41,276 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-09 02:13:41,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:13:41,277 INFO L85 PathProgramCache]: Analyzing trace with hash -410347268, now seen corresponding path program 1 times [2025-03-09 02:13:41,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:13:41,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174534525] [2025-03-09 02:13:41,277 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:13:41,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:13:41,281 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-03-09 02:13:41,287 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-03-09 02:13:41,287 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:13:41,287 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:13:41,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [831621586] [2025-03-09 02:13:41,288 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:13:41,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:13:41,288 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:13:41,293 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) [2025-03-09 02:13:41,297 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2025-03-09 02:13:41,315 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-03-09 02:13:41,332 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-03-09 02:13:41,332 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:13:41,332 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:13:41,333 INFO L256 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 32 conjuncts are in the unsatisfiable core [2025-03-09 02:13:41,334 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:13:42,385 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-03-09 02:13:42,385 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:13:57,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:13:57,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174534525] [2025-03-09 02:13:57,075 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:13:57,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [831621586] [2025-03-09 02:13:57,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [831621586] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:13:57,075 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:13:57,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2025-03-09 02:13:57,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810504622] [2025-03-09 02:13:57,075 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:13:57,076 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-03-09 02:13:57,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:13:57,076 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-03-09 02:13:57,076 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=423, Unknown=3, NotChecked=0, Total=506 [2025-03-09 02:13:57,076 INFO L87 Difference]: Start difference. First operand 419 states and 568 transitions. Second operand has 15 states, 14 states have (on average 4.642857142857143) internal successors, (65), 14 states have internal predecessors, (65), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8)