./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound5.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/egcd2-ll_unwindbound5.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 74e9855722264d342377b8ab219a69c32c582cc628f82167488f3dea5640534c --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-09 02:10:34,899 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-09 02:10:34,955 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-03-09 02:10:34,959 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-09 02:10:34,962 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-09 02:10:34,981 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-09 02:10:34,982 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-09 02:10:34,982 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-09 02:10:34,983 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-09 02:10:34,983 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-09 02:10:34,983 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-09 02:10:34,983 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-09 02:10:34,984 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-09 02:10:34,984 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-09 02:10:34,984 INFO L153 SettingsManager]: * Use SBE=true [2025-03-09 02:10:34,984 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-09 02:10:34,984 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-09 02:10:34,984 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-09 02:10:34,985 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-09 02:10:34,985 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-09 02:10:34,985 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-09 02:10:34,985 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-09 02:10:34,985 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-09 02:10:34,985 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-09 02:10:34,985 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-09 02:10:34,985 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-09 02:10:34,985 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-09 02:10:34,985 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-09 02:10:34,985 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-09 02:10:34,985 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-09 02:10:34,985 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-09 02:10:34,985 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-09 02:10:34,985 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-09 02:10:34,985 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-09 02:10:34,985 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 02:10:34,985 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-09 02:10:34,985 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-09 02:10:34,985 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-09 02:10:34,985 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-09 02:10:34,985 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-09 02:10:34,986 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-09 02:10:34,986 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-09 02:10:34,986 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-09 02:10:34,986 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-09 02:10:34,986 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-09 02:10:34,986 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 -> 74e9855722264d342377b8ab219a69c32c582cc628f82167488f3dea5640534c [2025-03-09 02:10:35,222 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-09 02:10:35,235 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-09 02:10:35,236 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-09 02:10:35,240 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-09 02:10:35,240 INFO L274 PluginConnector]: CDTParser initialized [2025-03-09 02:10:35,241 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound5.c [2025-03-09 02:10:36,576 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3867527d8/ffb2c9bb7cf94b0db0adcd35e30022dc/FLAGa8b1f7a7d [2025-03-09 02:10:36,780 INFO L384 CDTParser]: Found 1 translation units. [2025-03-09 02:10:36,781 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound5.c [2025-03-09 02:10:36,787 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3867527d8/ffb2c9bb7cf94b0db0adcd35e30022dc/FLAGa8b1f7a7d [2025-03-09 02:10:36,803 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3867527d8/ffb2c9bb7cf94b0db0adcd35e30022dc [2025-03-09 02:10:36,804 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-09 02:10:36,805 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-09 02:10:36,806 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-09 02:10:36,806 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-09 02:10:36,811 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-09 02:10:36,811 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 02:10:36" (1/1) ... [2025-03-09 02:10:36,812 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@203c7686 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:10:36, skipping insertion in model container [2025-03-09 02:10:36,812 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 02:10:36" (1/1) ... [2025-03-09 02:10:36,823 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-09 02:10:36,942 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 02:10:36,949 INFO L200 MainTranslator]: Completed pre-run [2025-03-09 02:10:36,969 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 02:10:36,982 INFO L204 MainTranslator]: Completed translation [2025-03-09 02:10:36,982 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:10:36 WrapperNode [2025-03-09 02:10:36,982 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-09 02:10:36,983 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-09 02:10:36,984 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-09 02:10:36,984 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-09 02:10:36,988 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:10:36" (1/1) ... [2025-03-09 02:10:36,992 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:10:36" (1/1) ... [2025-03-09 02:10:37,014 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 158 [2025-03-09 02:10:37,014 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-09 02:10:37,014 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-09 02:10:37,015 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-09 02:10:37,015 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-09 02:10:37,021 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:10:36" (1/1) ... [2025-03-09 02:10:37,021 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:10:36" (1/1) ... [2025-03-09 02:10:37,022 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:10:36" (1/1) ... [2025-03-09 02:10:37,037 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 02:10:37,040 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:10:36" (1/1) ... [2025-03-09 02:10:37,041 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:10:36" (1/1) ... [2025-03-09 02:10:37,043 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:10:36" (1/1) ... [2025-03-09 02:10:37,044 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:10:36" (1/1) ... [2025-03-09 02:10:37,044 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:10:36" (1/1) ... [2025-03-09 02:10:37,049 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:10:36" (1/1) ... [2025-03-09 02:10:37,053 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-09 02:10:37,054 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-09 02:10:37,054 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-09 02:10:37,054 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-09 02:10:37,055 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:10:36" (1/1) ... [2025-03-09 02:10:37,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 02:10:37,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:10:37,082 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 02:10:37,087 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 02:10:37,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-09 02:10:37,103 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-09 02:10:37,103 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-09 02:10:37,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-09 02:10:37,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-09 02:10:37,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-09 02:10:37,103 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-09 02:10:37,104 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-09 02:10:37,158 INFO L256 CfgBuilder]: Building ICFG [2025-03-09 02:10:37,160 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-09 02:10:37,601 INFO L? ?]: Removed 200 outVars from TransFormulas that were not future-live. [2025-03-09 02:10:37,601 INFO L307 CfgBuilder]: Performing block encoding [2025-03-09 02:10:37,612 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-09 02:10:37,612 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-09 02:10:37,613 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 02:10:37 BoogieIcfgContainer [2025-03-09 02:10:37,613 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-09 02:10:37,614 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-09 02:10:37,615 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-09 02:10:37,618 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-09 02:10:37,618 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.03 02:10:36" (1/3) ... [2025-03-09 02:10:37,618 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@577836bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 02:10:37, skipping insertion in model container [2025-03-09 02:10:37,618 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:10:36" (2/3) ... [2025-03-09 02:10:37,619 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@577836bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 02:10:37, skipping insertion in model container [2025-03-09 02:10:37,619 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 02:10:37" (3/3) ... [2025-03-09 02:10:37,620 INFO L128 eAbstractionObserver]: Analyzing ICFG egcd2-ll_unwindbound5.c [2025-03-09 02:10:37,629 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-09 02:10:37,631 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG egcd2-ll_unwindbound5.c that has 3 procedures, 170 locations, 1 initial locations, 2 loop locations, and 68 error locations. [2025-03-09 02:10:37,673 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-09 02:10:37,682 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;@30432a62, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-09 02:10:37,682 INFO L334 AbstractCegarLoop]: Starting to check reachability of 68 error locations. [2025-03-09 02:10:37,686 INFO L276 IsEmpty]: Start isEmpty. Operand has 170 states, 89 states have (on average 1.853932584269663) internal successors, (165), 158 states have internal predecessors, (165), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-03-09 02:10:37,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-03-09 02:10:37,691 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:10:37,691 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:10:37,692 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr67ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-09 02:10:37,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:10:37,696 INFO L85 PathProgramCache]: Analyzing trace with hash -632198085, now seen corresponding path program 1 times [2025-03-09 02:10:37,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:10:37,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642398634] [2025-03-09 02:10:37,703 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:10:37,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:10:37,757 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-03-09 02:10:37,777 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-09 02:10:37,777 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:10:37,777 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:10:37,806 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-09 02:10:37,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:10:37,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642398634] [2025-03-09 02:10:37,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642398634] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:10:37,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1499994041] [2025-03-09 02:10:37,809 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:10:37,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:10:37,809 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:10:37,811 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 02:10:37,813 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 02:10:37,842 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-03-09 02:10:37,856 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-09 02:10:37,856 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:10:37,856 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:10:37,857 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-09 02:10:37,859 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:10:37,866 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-09 02:10:37,869 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:10:37,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1499994041] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:10:37,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:10:37,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-09 02:10:37,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825269540] [2025-03-09 02:10:37,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:10:37,875 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-09 02:10:37,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:10:37,889 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-09 02:10:37,890 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-09 02:10:37,892 INFO L87 Difference]: Start difference. First operand has 170 states, 89 states have (on average 1.853932584269663) internal successors, (165), 158 states have internal predecessors, (165), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-09 02:10:37,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:10:37,919 INFO L93 Difference]: Finished difference Result 335 states and 375 transitions. [2025-03-09 02:10:37,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-09 02:10:37,921 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 14 [2025-03-09 02:10:37,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:10:37,925 INFO L225 Difference]: With dead ends: 335 [2025-03-09 02:10:37,925 INFO L226 Difference]: Without dead ends: 162 [2025-03-09 02:10:37,927 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 15 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 02:10:37,929 INFO L435 NwaCegarLoop]: 179 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, 179 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 02:10:37,930 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 02:10:37,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2025-03-09 02:10:37,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 162. [2025-03-09 02:10:37,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 84 states have (on average 1.8333333333333333) internal successors, (154), 151 states have internal predecessors, (154), 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 02:10:37,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 172 transitions. [2025-03-09 02:10:37,968 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 172 transitions. Word has length 14 [2025-03-09 02:10:37,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:10:37,969 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 172 transitions. [2025-03-09 02:10:37,969 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-09 02:10:37,969 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 172 transitions. [2025-03-09 02:10:37,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-03-09 02:10:37,970 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:10:37,970 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:10:37,976 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 02:10:38,170 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 02:10:38,171 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr67ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-09 02:10:38,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:10:38,172 INFO L85 PathProgramCache]: Analyzing trace with hash -827788069, now seen corresponding path program 1 times [2025-03-09 02:10:38,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:10:38,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777811798] [2025-03-09 02:10:38,172 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:10:38,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:10:38,176 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-03-09 02:10:38,193 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-09 02:10:38,194 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:10:38,194 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:10:38,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1944710933] [2025-03-09 02:10:38,198 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:10:38,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:10:38,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:10:38,201 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 02:10:38,202 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 02:10:38,225 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-03-09 02:10:38,234 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-09 02:10:38,234 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:10:38,234 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:10:38,235 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-03-09 02:10:38,236 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:10:38,346 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-09 02:10:38,347 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:10:38,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:10:38,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777811798] [2025-03-09 02:10:38,348 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:10:38,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1944710933] [2025-03-09 02:10:38,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1944710933] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:10:38,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:10:38,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-09 02:10:38,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393888182] [2025-03-09 02:10:38,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:10:38,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-09 02:10:38,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:10:38,350 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-09 02:10:38,350 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2025-03-09 02:10:38,350 INFO L87 Difference]: Start difference. First operand 162 states and 172 transitions. Second operand has 7 states, 4 states have (on average 1.75) internal successors, (7), 6 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-09 02:10:38,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:10:38,673 INFO L93 Difference]: Finished difference Result 162 states and 172 transitions. [2025-03-09 02:10:38,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-09 02:10:38,674 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 4 states have (on average 1.75) internal successors, (7), 6 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 14 [2025-03-09 02:10:38,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:10:38,675 INFO L225 Difference]: With dead ends: 162 [2025-03-09 02:10:38,675 INFO L226 Difference]: Without dead ends: 161 [2025-03-09 02:10:38,675 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2025-03-09 02:10:38,676 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 130 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 341 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-09 02:10:38,676 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 271 Invalid, 341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 341 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-09 02:10:38,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2025-03-09 02:10:38,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2025-03-09 02:10:38,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 84 states have (on average 1.8214285714285714) internal successors, (153), 150 states have internal predecessors, (153), 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 02:10:38,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 171 transitions. [2025-03-09 02:10:38,683 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 171 transitions. Word has length 14 [2025-03-09 02:10:38,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:10:38,684 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 171 transitions. [2025-03-09 02:10:38,684 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 4 states have (on average 1.75) internal successors, (7), 6 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-09 02:10:38,684 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 171 transitions. [2025-03-09 02:10:38,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-03-09 02:10:38,684 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:10:38,684 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:10:38,695 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-09 02:10:38,885 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,SelfDestructingSolverStorable1 [2025-03-09 02:10:38,885 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr66ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-09 02:10:38,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:10:38,886 INFO L85 PathProgramCache]: Analyzing trace with hash 108373765, now seen corresponding path program 1 times [2025-03-09 02:10:38,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:10:38,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939550089] [2025-03-09 02:10:38,886 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:10:38,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:10:38,892 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-03-09 02:10:38,906 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-09 02:10:38,906 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:10:38,906 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:10:38,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1212862446] [2025-03-09 02:10:38,908 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:10:38,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:10:38,908 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:10:38,911 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 02:10:38,912 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 02:10:38,940 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-03-09 02:10:38,947 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-09 02:10:38,947 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:10:38,947 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:10:38,947 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-09 02:10:38,948 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:10:39,002 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-09 02:10:39,002 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:10:39,131 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-09 02:10:39,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:10:39,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939550089] [2025-03-09 02:10:39,132 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:10:39,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1212862446] [2025-03-09 02:10:39,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1212862446] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:10:39,132 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-09 02:10:39,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2025-03-09 02:10:39,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541219162] [2025-03-09 02:10:39,132 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-09 02:10:39,132 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-09 02:10:39,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:10:39,133 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-09 02:10:39,133 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2025-03-09 02:10:39,133 INFO L87 Difference]: Start difference. First operand 161 states and 171 transitions. Second operand has 9 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 9 states have internal predecessors, (17), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-09 02:10:39,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:10:39,411 INFO L93 Difference]: Finished difference Result 161 states and 171 transitions. [2025-03-09 02:10:39,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-09 02:10:39,412 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 9 states have internal predecessors, (17), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 4 states have call successors, (4) Word has length 15 [2025-03-09 02:10:39,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:10:39,413 INFO L225 Difference]: With dead ends: 161 [2025-03-09 02:10:39,413 INFO L226 Difference]: Without dead ends: 160 [2025-03-09 02:10:39,413 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2025-03-09 02:10:39,413 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 309 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 436 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 316 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 436 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:10:39,414 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [316 Valid, 349 Invalid, 451 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 436 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:10:39,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2025-03-09 02:10:39,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2025-03-09 02:10:39,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 84 states have (on average 1.8095238095238095) internal successors, (152), 149 states have internal predecessors, (152), 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 02:10:39,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 170 transitions. [2025-03-09 02:10:39,421 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 170 transitions. Word has length 15 [2025-03-09 02:10:39,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:10:39,421 INFO L471 AbstractCegarLoop]: Abstraction has 160 states and 170 transitions. [2025-03-09 02:10:39,421 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 9 states have internal predecessors, (17), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-09 02:10:39,421 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 170 transitions. [2025-03-09 02:10:39,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2025-03-09 02:10:39,422 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:10:39,422 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:10:39,428 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-03-09 02:10:39,622 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:10:39,623 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr64ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-09 02:10:39,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:10:39,623 INFO L85 PathProgramCache]: Analyzing trace with hash 1067977091, now seen corresponding path program 1 times [2025-03-09 02:10:39,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:10:39,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505173165] [2025-03-09 02:10:39,623 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:10:39,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:10:39,626 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-03-09 02:10:39,634 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-03-09 02:10:39,634 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:10:39,634 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:10:39,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1582286815] [2025-03-09 02:10:39,635 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:10:39,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:10:39,636 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:10:39,637 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 02:10:39,638 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 02:10:39,657 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-03-09 02:10:39,664 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-03-09 02:10:39,664 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:10:39,664 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:10:39,665 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-09 02:10:39,666 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:10:39,731 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-09 02:10:39,731 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:10:39,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:10:39,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505173165] [2025-03-09 02:10:39,731 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:10:39,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1582286815] [2025-03-09 02:10:39,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1582286815] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:10:39,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:10:39,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-09 02:10:39,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820145651] [2025-03-09 02:10:39,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:10:39,732 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-09 02:10:39,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:10:39,732 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-09 02:10:39,732 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-09 02:10:39,732 INFO L87 Difference]: Start difference. First operand 160 states and 170 transitions. Second operand has 6 states, 4 states have (on average 3.25) internal successors, (13), 6 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-09 02:10:39,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:10:39,946 INFO L93 Difference]: Finished difference Result 160 states and 170 transitions. [2025-03-09 02:10:39,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-09 02:10:39,946 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 3.25) internal successors, (13), 6 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 17 [2025-03-09 02:10:39,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:10:39,947 INFO L225 Difference]: With dead ends: 160 [2025-03-09 02:10:39,947 INFO L226 Difference]: Without dead ends: 159 [2025-03-09 02:10:39,947 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-09 02:10:39,947 INFO L435 NwaCegarLoop]: 108 mSDtfsCounter, 226 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:10:39,948 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 328 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:10:39,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2025-03-09 02:10:39,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2025-03-09 02:10:39,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 84 states have (on average 1.7976190476190477) internal successors, (151), 148 states have internal predecessors, (151), 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 02:10:39,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 169 transitions. [2025-03-09 02:10:39,954 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 169 transitions. Word has length 17 [2025-03-09 02:10:39,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:10:39,954 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 169 transitions. [2025-03-09 02:10:39,954 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 3.25) internal successors, (13), 6 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-09 02:10:39,955 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 169 transitions. [2025-03-09 02:10:39,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2025-03-09 02:10:39,955 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:10:39,955 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 02:10:39,961 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-03-09 02:10:40,155 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:10:40,156 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr63ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-09 02:10:40,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:10:40,156 INFO L85 PathProgramCache]: Analyzing trace with hash 1880173661, now seen corresponding path program 1 times [2025-03-09 02:10:40,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:10:40,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460660958] [2025-03-09 02:10:40,156 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:10:40,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:10:40,160 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-03-09 02:10:40,165 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-03-09 02:10:40,165 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:10:40,165 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:10:40,216 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 02:10:40,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:10:40,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460660958] [2025-03-09 02:10:40,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460660958] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:10:40,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:10:40,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 02:10:40,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244862716] [2025-03-09 02:10:40,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:10:40,217 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:10:40,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:10:40,217 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:10:40,217 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:10:40,217 INFO L87 Difference]: Start difference. First operand 159 states and 169 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 02:10:40,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:10:40,240 INFO L93 Difference]: Finished difference Result 200 states and 211 transitions. [2025-03-09 02:10:40,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 02:10:40,241 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 02:10:40,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:10:40,242 INFO L225 Difference]: With dead ends: 200 [2025-03-09 02:10:40,242 INFO L226 Difference]: Without dead ends: 199 [2025-03-09 02:10:40,242 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-09 02:10:40,242 INFO L435 NwaCegarLoop]: 162 mSDtfsCounter, 48 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 02:10:40,243 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 469 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 02:10:40,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2025-03-09 02:10:40,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 175. [2025-03-09 02:10:40,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 98 states have (on average 1.7755102040816326) internal successors, (174), 162 states have internal predecessors, (174), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2025-03-09 02:10:40,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 194 transitions. [2025-03-09 02:10:40,255 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 194 transitions. Word has length 29 [2025-03-09 02:10:40,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:10:40,255 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 194 transitions. [2025-03-09 02:10:40,255 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 02:10:40,255 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 194 transitions. [2025-03-09 02:10:40,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2025-03-09 02:10:40,255 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:10:40,255 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 02:10:40,255 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-09 02:10:40,255 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr62ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-09 02:10:40,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:10:40,256 INFO L85 PathProgramCache]: Analyzing trace with hash -1844158537, now seen corresponding path program 1 times [2025-03-09 02:10:40,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:10:40,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24093527] [2025-03-09 02:10:40,256 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:10:40,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:10:40,260 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-03-09 02:10:40,270 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-03-09 02:10:40,273 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:10:40,273 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:10:40,331 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 02:10:40,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:10:40,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24093527] [2025-03-09 02:10:40,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [24093527] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:10:40,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:10:40,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 02:10:40,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849468764] [2025-03-09 02:10:40,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:10:40,332 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:10:40,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:10:40,332 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:10:40,332 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:10:40,333 INFO L87 Difference]: Start difference. First operand 175 states and 194 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 02:10:40,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:10:40,353 INFO L93 Difference]: Finished difference Result 205 states and 222 transitions. [2025-03-09 02:10:40,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-09 02:10:40,353 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 02:10:40,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:10:40,355 INFO L225 Difference]: With dead ends: 205 [2025-03-09 02:10:40,355 INFO L226 Difference]: Without dead ends: 175 [2025-03-09 02:10:40,357 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-09 02:10:40,357 INFO L435 NwaCegarLoop]: 165 mSDtfsCounter, 10 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 02:10:40,358 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 472 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 02:10:40,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2025-03-09 02:10:40,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 175. [2025-03-09 02:10:40,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 98 states have (on average 1.7551020408163265) internal successors, (172), 162 states have internal predecessors, (172), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2025-03-09 02:10:40,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 192 transitions. [2025-03-09 02:10:40,368 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 192 transitions. Word has length 30 [2025-03-09 02:10:40,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:10:40,368 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 192 transitions. [2025-03-09 02:10:40,368 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 02:10:40,368 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 192 transitions. [2025-03-09 02:10:40,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2025-03-09 02:10:40,369 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:10:40,369 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] [2025-03-09 02:10:40,369 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-09 02:10:40,369 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-09 02:10:40,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:10:40,369 INFO L85 PathProgramCache]: Analyzing trace with hash 1894787657, now seen corresponding path program 1 times [2025-03-09 02:10:40,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:10:40,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912736095] [2025-03-09 02:10:40,369 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:10:40,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:10:40,374 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-03-09 02:10:40,384 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-03-09 02:10:40,388 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:10:40,388 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:10:40,474 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-03-09 02:10:40,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:10:40,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912736095] [2025-03-09 02:10:40,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912736095] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:10:40,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1609196648] [2025-03-09 02:10:40,475 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:10:40,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:10:40,475 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:10:40,477 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 02:10:40,478 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 02:10:40,500 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-03-09 02:10:40,509 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-03-09 02:10:40,510 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:10:40,510 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:10:40,510 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-09 02:10:40,511 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:10:40,532 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 02:10:40,533 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:10:40,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1609196648] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:10:40,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:10:40,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2025-03-09 02:10:40,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4296161] [2025-03-09 02:10:40,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:10:40,534 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 02:10:40,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:10:40,534 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 02:10:40,534 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-03-09 02:10:40,534 INFO L87 Difference]: Start difference. First operand 175 states and 192 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-09 02:10:40,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:10:40,707 INFO L93 Difference]: Finished difference Result 277 states and 309 transitions. [2025-03-09 02:10:40,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 02:10:40,708 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 33 [2025-03-09 02:10:40,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:10:40,709 INFO L225 Difference]: With dead ends: 277 [2025-03-09 02:10:40,709 INFO L226 Difference]: Without dead ends: 267 [2025-03-09 02:10:40,709 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-03-09 02:10:40,710 INFO L435 NwaCegarLoop]: 126 mSDtfsCounter, 95 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:10:40,710 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 234 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:10:40,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2025-03-09 02:10:40,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 227. [2025-03-09 02:10:40,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 146 states have (on average 1.7534246575342465) internal successors, (256), 210 states have internal predecessors, (256), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2025-03-09 02:10:40,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 284 transitions. [2025-03-09 02:10:40,729 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 284 transitions. Word has length 33 [2025-03-09 02:10:40,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:10:40,730 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 284 transitions. [2025-03-09 02:10:40,731 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-09 02:10:40,731 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 284 transitions. [2025-03-09 02:10:40,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2025-03-09 02:10:40,731 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:10:40,731 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 02:10:40,743 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-03-09 02:10:40,932 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 02:10:40,932 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-09 02:10:40,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:10:40,933 INFO L85 PathProgramCache]: Analyzing trace with hash -1391119308, now seen corresponding path program 1 times [2025-03-09 02:10:40,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:10:40,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817797260] [2025-03-09 02:10:40,933 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:10:40,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:10:40,937 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-03-09 02:10:40,940 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-03-09 02:10:40,940 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:10:40,940 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:10:40,980 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 02:10:40,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:10:40,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817797260] [2025-03-09 02:10:40,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817797260] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:10:40,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:10:40,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-09 02:10:40,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612062957] [2025-03-09 02:10:40,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:10:40,981 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-09 02:10:40,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:10:40,981 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-09 02:10:40,981 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-09 02:10:40,981 INFO L87 Difference]: Start difference. First operand 227 states and 284 transitions. Second operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 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 02:10:41,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:10:41,050 INFO L93 Difference]: Finished difference Result 227 states and 284 transitions. [2025-03-09 02:10:41,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-09 02:10:41,050 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 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 02:10:41,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:10:41,051 INFO L225 Difference]: With dead ends: 227 [2025-03-09 02:10:41,052 INFO L226 Difference]: Without dead ends: 225 [2025-03-09 02:10:41,052 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2025-03-09 02:10:41,052 INFO L435 NwaCegarLoop]: 155 mSDtfsCounter, 290 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 290 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 02:10:41,052 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [290 Valid, 472 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 02:10:41,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2025-03-09 02:10:41,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 225. [2025-03-09 02:10:41,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 146 states have (on average 1.7328767123287672) internal successors, (253), 208 states have internal predecessors, (253), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2025-03-09 02:10:41,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 281 transitions. [2025-03-09 02:10:41,062 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 281 transitions. Word has length 34 [2025-03-09 02:10:41,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:10:41,062 INFO L471 AbstractCegarLoop]: Abstraction has 225 states and 281 transitions. [2025-03-09 02:10:41,062 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 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 02:10:41,063 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 281 transitions. [2025-03-09 02:10:41,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2025-03-09 02:10:41,064 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:10:41,064 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 02:10:41,064 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-09 02:10:41,064 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-09 02:10:41,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:10:41,064 INFO L85 PathProgramCache]: Analyzing trace with hash -175195289, now seen corresponding path program 1 times [2025-03-09 02:10:41,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:10:41,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261057834] [2025-03-09 02:10:41,065 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:10:41,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:10:41,069 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-03-09 02:10:41,076 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-03-09 02:10:41,077 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:10:41,077 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:10:41,143 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-03-09 02:10:41,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:10:41,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261057834] [2025-03-09 02:10:41,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261057834] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:10:41,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2096779133] [2025-03-09 02:10:41,143 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:10:41,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:10:41,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:10:41,145 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 02:10:41,146 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 02:10:41,167 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-03-09 02:10:41,177 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-03-09 02:10:41,177 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:10:41,177 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:10:41,178 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-09 02:10:41,179 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:10:41,241 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 02:10:41,242 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:10:41,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2096779133] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:10:41,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:10:41,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2025-03-09 02:10:41,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851944685] [2025-03-09 02:10:41,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:10:41,242 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:10:41,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:10:41,243 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:10:41,243 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-09 02:10:41,243 INFO L87 Difference]: Start difference. First operand 225 states and 281 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-09 02:10:41,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:10:41,429 INFO L93 Difference]: Finished difference Result 255 states and 304 transitions. [2025-03-09 02:10:41,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 02:10:41,429 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 35 [2025-03-09 02:10:41,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:10:41,430 INFO L225 Difference]: With dead ends: 255 [2025-03-09 02:10:41,430 INFO L226 Difference]: Without dead ends: 252 [2025-03-09 02:10:41,431 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-09 02:10:41,431 INFO L435 NwaCegarLoop]: 90 mSDtfsCounter, 201 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:10:41,431 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [211 Valid, 186 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:10:41,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2025-03-09 02:10:41,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 225. [2025-03-09 02:10:41,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 146 states have (on average 1.7123287671232876) internal successors, (250), 208 states have internal predecessors, (250), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2025-03-09 02:10:41,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 278 transitions. [2025-03-09 02:10:41,439 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 278 transitions. Word has length 35 [2025-03-09 02:10:41,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:10:41,439 INFO L471 AbstractCegarLoop]: Abstraction has 225 states and 278 transitions. [2025-03-09 02:10:41,439 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-09 02:10:41,439 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 278 transitions. [2025-03-09 02:10:41,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2025-03-09 02:10:41,440 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:10:41,440 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 02:10:41,452 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-03-09 02:10:41,640 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:10:41,641 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr60ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-09 02:10:41,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:10:41,642 INFO L85 PathProgramCache]: Analyzing trace with hash -175025484, now seen corresponding path program 1 times [2025-03-09 02:10:41,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:10:41,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680971622] [2025-03-09 02:10:41,642 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:10:41,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:10:41,646 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-03-09 02:10:41,653 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-03-09 02:10:41,653 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:10:41,653 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:10:41,710 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 02:10:41,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:10:41,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680971622] [2025-03-09 02:10:41,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680971622] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:10:41,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:10:41,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-09 02:10:41,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580884028] [2025-03-09 02:10:41,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:10:41,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-09 02:10:41,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:10:41,712 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-09 02:10:41,712 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-09 02:10:41,712 INFO L87 Difference]: Start difference. First operand 225 states and 278 transitions. Second operand has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 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 02:10:41,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:10:41,763 INFO L93 Difference]: Finished difference Result 389 states and 447 transitions. [2025-03-09 02:10:41,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-09 02:10:41,764 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 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 02:10:41,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:10:41,765 INFO L225 Difference]: With dead ends: 389 [2025-03-09 02:10:41,766 INFO L226 Difference]: Without dead ends: 244 [2025-03-09 02:10:41,766 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2025-03-09 02:10:41,767 INFO L435 NwaCegarLoop]: 159 mSDtfsCounter, 44 mSDsluCounter, 481 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 640 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 02:10:41,767 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 640 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 02:10:41,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2025-03-09 02:10:41,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 229. [2025-03-09 02:10:41,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 150 states have (on average 1.6933333333333334) internal successors, (254), 212 states have internal predecessors, (254), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2025-03-09 02:10:41,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 282 transitions. [2025-03-09 02:10:41,775 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 282 transitions. Word has length 35 [2025-03-09 02:10:41,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:10:41,776 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 282 transitions. [2025-03-09 02:10:41,776 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 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 02:10:41,776 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 282 transitions. [2025-03-09 02:10:41,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2025-03-09 02:10:41,777 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:10:41,777 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] [2025-03-09 02:10:41,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-09 02:10:41,777 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-09 02:10:41,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:10:41,778 INFO L85 PathProgramCache]: Analyzing trace with hash -1136086672, now seen corresponding path program 1 times [2025-03-09 02:10:41,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:10:41,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209054996] [2025-03-09 02:10:41,778 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:10:41,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:10:41,782 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-03-09 02:10:41,787 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-03-09 02:10:41,788 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:10:41,788 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:10:41,854 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-03-09 02:10:41,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:10:41,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209054996] [2025-03-09 02:10:41,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209054996] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:10:41,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [457231398] [2025-03-09 02:10:41,854 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:10:41,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:10:41,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:10:41,861 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 02:10:41,862 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 02:10:41,885 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-03-09 02:10:41,894 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-03-09 02:10:41,895 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:10:41,895 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:10:41,896 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-09 02:10:41,897 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:10:41,977 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 02:10:41,977 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:10:41,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [457231398] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:10:41,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:10:41,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2025-03-09 02:10:41,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176388434] [2025-03-09 02:10:41,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:10:41,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:10:41,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:10:41,978 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:10:41,979 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2025-03-09 02:10:41,979 INFO L87 Difference]: Start difference. First operand 229 states and 282 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-09 02:10:42,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:10:42,238 INFO L93 Difference]: Finished difference Result 243 states and 293 transitions. [2025-03-09 02:10:42,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 02:10:42,239 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 36 [2025-03-09 02:10:42,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:10:42,240 INFO L225 Difference]: With dead ends: 243 [2025-03-09 02:10:42,240 INFO L226 Difference]: Without dead ends: 242 [2025-03-09 02:10:42,240 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2025-03-09 02:10:42,240 INFO L435 NwaCegarLoop]: 87 mSDtfsCounter, 63 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 271 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:10:42,240 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 223 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 271 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:10:42,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2025-03-09 02:10:42,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 229. [2025-03-09 02:10:42,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 150 states have (on average 1.6866666666666668) internal successors, (253), 212 states have internal predecessors, (253), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2025-03-09 02:10:42,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 281 transitions. [2025-03-09 02:10:42,247 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 281 transitions. Word has length 36 [2025-03-09 02:10:42,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:10:42,247 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 281 transitions. [2025-03-09 02:10:42,248 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-09 02:10:42,248 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 281 transitions. [2025-03-09 02:10:42,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2025-03-09 02:10:42,248 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:10:42,248 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 02:10:42,254 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-03-09 02:10:42,448 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:10:42,448 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-09 02:10:42,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:10:42,449 INFO L85 PathProgramCache]: Analyzing trace with hash -858948475, now seen corresponding path program 1 times [2025-03-09 02:10:42,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:10:42,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706287711] [2025-03-09 02:10:42,449 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:10:42,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:10:42,455 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-03-09 02:10:42,461 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-03-09 02:10:42,462 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:10:42,462 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:10:42,509 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-03-09 02:10:42,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:10:42,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706287711] [2025-03-09 02:10:42,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706287711] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:10:42,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1109407212] [2025-03-09 02:10:42,510 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:10:42,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:10:42,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:10:42,512 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 02:10:42,528 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 02:10:42,552 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-03-09 02:10:42,570 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-03-09 02:10:42,570 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:10:42,570 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:10:42,571 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-09 02:10:42,572 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:10:42,610 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 02:10:42,610 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:10:42,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1109407212] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:10:42,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:10:42,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2025-03-09 02:10:42,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332857584] [2025-03-09 02:10:42,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:10:42,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:10:42,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:10:42,611 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:10:42,612 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-03-09 02:10:42,612 INFO L87 Difference]: Start difference. First operand 229 states and 281 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-09 02:10:42,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:10:42,987 INFO L93 Difference]: Finished difference Result 287 states and 323 transitions. [2025-03-09 02:10:42,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 02:10:42,987 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 37 [2025-03-09 02:10:42,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:10:42,988 INFO L225 Difference]: With dead ends: 287 [2025-03-09 02:10:42,989 INFO L226 Difference]: Without dead ends: 285 [2025-03-09 02:10:42,989 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-03-09 02:10:42,989 INFO L435 NwaCegarLoop]: 125 mSDtfsCounter, 107 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 237 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-09 02:10:42,989 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 296 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 237 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-09 02:10:42,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2025-03-09 02:10:42,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 229. [2025-03-09 02:10:42,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 150 states have (on average 1.6733333333333333) internal successors, (251), 212 states have internal predecessors, (251), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2025-03-09 02:10:42,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 279 transitions. [2025-03-09 02:10:42,998 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 279 transitions. Word has length 37 [2025-03-09 02:10:42,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:10:42,998 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 279 transitions. [2025-03-09 02:10:42,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-09 02:10:42,998 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 279 transitions. [2025-03-09 02:10:42,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2025-03-09 02:10:42,999 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:10:42,999 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 02:10:43,005 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 02:10:43,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2025-03-09 02:10:43,203 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-09 02:10:43,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:10:43,203 INFO L85 PathProgramCache]: Analyzing trace with hash -695762318, now seen corresponding path program 1 times [2025-03-09 02:10:43,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:10:43,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455145418] [2025-03-09 02:10:43,203 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:10:43,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:10:43,206 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-03-09 02:10:43,210 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-03-09 02:10:43,210 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:10:43,210 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:10:43,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [124067136] [2025-03-09 02:10:43,211 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:10:43,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:10:43,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:10:43,213 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 02:10:43,214 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 02:10:43,233 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-03-09 02:10:43,241 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-03-09 02:10:43,242 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:10:43,242 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:10:43,243 INFO L256 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-09 02:10:43,243 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:10:43,253 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 02:10:43,253 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:10:43,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:10:43,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455145418] [2025-03-09 02:10:43,253 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:10:43,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [124067136] [2025-03-09 02:10:43,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [124067136] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:10:43,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:10:43,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 02:10:43,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347691737] [2025-03-09 02:10:43,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:10:43,254 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 02:10:43,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:10:43,254 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 02:10:43,254 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:10:43,254 INFO L87 Difference]: Start difference. First operand 229 states and 279 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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 02:10:43,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:10:43,314 INFO L93 Difference]: Finished difference Result 378 states and 476 transitions. [2025-03-09 02:10:43,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 02:10:43,314 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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 37 [2025-03-09 02:10:43,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:10:43,316 INFO L225 Difference]: With dead ends: 378 [2025-03-09 02:10:43,316 INFO L226 Difference]: Without dead ends: 370 [2025-03-09 02:10:43,316 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 35 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 02:10:43,317 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 85 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 02:10:43,317 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 286 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 02:10:43,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2025-03-09 02:10:43,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 330. [2025-03-09 02:10:43,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 243 states have (on average 1.699588477366255) internal successors, (413), 305 states have internal predecessors, (413), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2025-03-09 02:10:43,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 457 transitions. [2025-03-09 02:10:43,330 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 457 transitions. Word has length 37 [2025-03-09 02:10:43,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:10:43,331 INFO L471 AbstractCegarLoop]: Abstraction has 330 states and 457 transitions. [2025-03-09 02:10:43,331 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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 02:10:43,331 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 457 transitions. [2025-03-09 02:10:43,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2025-03-09 02:10:43,332 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:10:43,332 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] [2025-03-09 02:10:43,338 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-03-09 02:10:43,532 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2025-03-09 02:10:43,533 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-09 02:10:43,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:10:43,536 INFO L85 PathProgramCache]: Analyzing trace with hash -857598962, now seen corresponding path program 1 times [2025-03-09 02:10:43,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:10:43,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168859061] [2025-03-09 02:10:43,536 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:10:43,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:10:43,539 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-03-09 02:10:43,544 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-03-09 02:10:43,544 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:10:43,544 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:10:43,609 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-03-09 02:10:43,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:10:43,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168859061] [2025-03-09 02:10:43,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168859061] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:10:43,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1105911927] [2025-03-09 02:10:43,610 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:10:43,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:10:43,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:10:43,612 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 02:10:43,613 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 02:10:43,633 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-03-09 02:10:43,642 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-03-09 02:10:43,642 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:10:43,642 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:10:43,642 INFO L256 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-09 02:10:43,644 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:10:43,714 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 02:10:43,715 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:10:43,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1105911927] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:10:43,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:10:43,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2025-03-09 02:10:43,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888205672] [2025-03-09 02:10:43,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:10:43,715 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:10:43,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:10:43,716 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:10:43,716 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-03-09 02:10:43,716 INFO L87 Difference]: Start difference. First operand 330 states and 457 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-09 02:10:44,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:10:44,137 INFO L93 Difference]: Finished difference Result 377 states and 479 transitions. [2025-03-09 02:10:44,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 02:10:44,138 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), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 38 [2025-03-09 02:10:44,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:10:44,140 INFO L225 Difference]: With dead ends: 377 [2025-03-09 02:10:44,140 INFO L226 Difference]: Without dead ends: 373 [2025-03-09 02:10:44,140 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-03-09 02:10:44,140 INFO L435 NwaCegarLoop]: 129 mSDtfsCounter, 153 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-09 02:10:44,141 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 257 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-09 02:10:44,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2025-03-09 02:10:44,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 330. [2025-03-09 02:10:44,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 243 states have (on average 1.6748971193415638) internal successors, (407), 305 states have internal predecessors, (407), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2025-03-09 02:10:44,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 451 transitions. [2025-03-09 02:10:44,154 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 451 transitions. Word has length 38 [2025-03-09 02:10:44,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:10:44,155 INFO L471 AbstractCegarLoop]: Abstraction has 330 states and 451 transitions. [2025-03-09 02:10:44,155 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), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-09 02:10:44,155 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 451 transitions. [2025-03-09 02:10:44,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2025-03-09 02:10:44,156 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:10:44,156 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] [2025-03-09 02:10:44,163 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 02:10:44,356 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2025-03-09 02:10:44,357 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-09 02:10:44,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:10:44,357 INFO L85 PathProgramCache]: Analyzing trace with hash 1387313712, now seen corresponding path program 1 times [2025-03-09 02:10:44,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:10:44,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33780627] [2025-03-09 02:10:44,357 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:10:44,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:10:44,361 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-03-09 02:10:44,364 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-03-09 02:10:44,365 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:10:44,365 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:10:44,438 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-03-09 02:10:44,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:10:44,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33780627] [2025-03-09 02:10:44,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [33780627] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:10:44,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2127358590] [2025-03-09 02:10:44,438 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:10:44,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:10:44,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:10:44,441 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 02:10:44,442 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 02:10:44,462 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-03-09 02:10:44,472 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-03-09 02:10:44,473 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:10:44,473 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:10:44,473 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-09 02:10:44,475 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:10:44,534 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 02:10:44,534 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:10:44,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2127358590] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:10:44,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:10:44,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 11 [2025-03-09 02:10:44,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310578262] [2025-03-09 02:10:44,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:10:44,535 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-09 02:10:44,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:10:44,535 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-09 02:10:44,535 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2025-03-09 02:10:44,535 INFO L87 Difference]: Start difference. First operand 330 states and 451 transitions. Second operand has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-09 02:10:44,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:10:44,910 INFO L93 Difference]: Finished difference Result 394 states and 463 transitions. [2025-03-09 02:10:44,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-09 02:10:44,911 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 39 [2025-03-09 02:10:44,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:10:44,912 INFO L225 Difference]: With dead ends: 394 [2025-03-09 02:10:44,912 INFO L226 Difference]: Without dead ends: 393 [2025-03-09 02:10:44,913 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2025-03-09 02:10:44,913 INFO L435 NwaCegarLoop]: 100 mSDtfsCounter, 457 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 253 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 462 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-09 02:10:44,913 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [462 Valid, 307 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 253 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-09 02:10:44,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2025-03-09 02:10:44,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 330. [2025-03-09 02:10:44,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 243 states have (on average 1.6707818930041152) internal successors, (406), 305 states have internal predecessors, (406), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2025-03-09 02:10:44,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 450 transitions. [2025-03-09 02:10:44,924 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 450 transitions. Word has length 39 [2025-03-09 02:10:44,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:10:44,924 INFO L471 AbstractCegarLoop]: Abstraction has 330 states and 450 transitions. [2025-03-09 02:10:44,924 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-09 02:10:44,924 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 450 transitions. [2025-03-09 02:10:44,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-03-09 02:10:44,925 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:10:44,925 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 02:10:44,932 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-03-09 02:10:45,125 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2025-03-09 02:10:45,126 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-09 02:10:45,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:10:45,126 INFO L85 PathProgramCache]: Analyzing trace with hash 57052206, now seen corresponding path program 1 times [2025-03-09 02:10:45,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:10:45,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103974859] [2025-03-09 02:10:45,126 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:10:45,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:10:45,129 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-03-09 02:10:45,138 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-03-09 02:10:45,139 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:10:45,139 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:10:45,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1242063339] [2025-03-09 02:10:45,139 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:10:45,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:10:45,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:10:45,141 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 02:10:45,143 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 02:10:45,163 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-03-09 02:10:45,173 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-03-09 02:10:45,173 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:10:45,173 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:10:45,173 INFO L256 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-09 02:10:45,174 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:10:45,231 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 02:10:45,231 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:10:45,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:10:45,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103974859] [2025-03-09 02:10:45,231 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:10:45,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1242063339] [2025-03-09 02:10:45,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1242063339] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:10:45,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:10:45,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-09 02:10:45,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969130123] [2025-03-09 02:10:45,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:10:45,232 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-09 02:10:45,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:10:45,232 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-09 02:10:45,233 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-09 02:10:45,233 INFO L87 Difference]: Start difference. First operand 330 states and 450 transitions. Second operand has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-09 02:10:45,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:10:45,524 INFO L93 Difference]: Finished difference Result 394 states and 462 transitions. [2025-03-09 02:10:45,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-09 02:10:45,525 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 40 [2025-03-09 02:10:45,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:10:45,526 INFO L225 Difference]: With dead ends: 394 [2025-03-09 02:10:45,526 INFO L226 Difference]: Without dead ends: 393 [2025-03-09 02:10:45,526 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 36 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 02:10:45,527 INFO L435 NwaCegarLoop]: 101 mSDtfsCounter, 468 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 473 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-09 02:10:45,527 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [473 Valid, 300 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-09 02:10:45,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2025-03-09 02:10:45,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 330. [2025-03-09 02:10:45,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 243 states have (on average 1.6666666666666667) internal successors, (405), 305 states have internal predecessors, (405), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2025-03-09 02:10:45,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 449 transitions. [2025-03-09 02:10:45,536 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 449 transitions. Word has length 40 [2025-03-09 02:10:45,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:10:45,536 INFO L471 AbstractCegarLoop]: Abstraction has 330 states and 449 transitions. [2025-03-09 02:10:45,536 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-09 02:10:45,536 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 449 transitions. [2025-03-09 02:10:45,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2025-03-09 02:10:45,537 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:10:45,537 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, 1] [2025-03-09 02:10:45,543 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2025-03-09 02:10:45,737 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2025-03-09 02:10:45,737 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-09 02:10:45,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:10:45,738 INFO L85 PathProgramCache]: Analyzing trace with hash 81709605, now seen corresponding path program 1 times [2025-03-09 02:10:45,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:10:45,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709554628] [2025-03-09 02:10:45,738 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:10:45,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:10:45,741 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-03-09 02:10:45,744 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-03-09 02:10:45,745 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:10:45,745 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:10:45,789 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-03-09 02:10:45,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:10:45,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709554628] [2025-03-09 02:10:45,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1709554628] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:10:45,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2144162236] [2025-03-09 02:10:45,790 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:10:45,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:10:45,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:10:45,792 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 02:10:45,794 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 02:10:45,814 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-03-09 02:10:45,823 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-03-09 02:10:45,823 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:10:45,823 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:10:45,824 INFO L256 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-09 02:10:45,824 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:10:45,879 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 02:10:45,880 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:10:45,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2144162236] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:10:45,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:10:45,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2025-03-09 02:10:45,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000994399] [2025-03-09 02:10:45,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:10:45,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:10:45,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:10:45,881 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:10:45,881 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-03-09 02:10:45,881 INFO L87 Difference]: Start difference. First operand 330 states and 449 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 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 02:10:46,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:10:46,075 INFO L93 Difference]: Finished difference Result 359 states and 461 transitions. [2025-03-09 02:10:46,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 02:10:46,075 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 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 44 [2025-03-09 02:10:46,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:10:46,076 INFO L225 Difference]: With dead ends: 359 [2025-03-09 02:10:46,076 INFO L226 Difference]: Without dead ends: 357 [2025-03-09 02:10:46,077 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-03-09 02:10:46,077 INFO L435 NwaCegarLoop]: 112 mSDtfsCounter, 184 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:10:46,077 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 228 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:10:46,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2025-03-09 02:10:46,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 331. [2025-03-09 02:10:46,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 331 states, 244 states have (on average 1.6557377049180328) internal successors, (404), 305 states have internal predecessors, (404), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2025-03-09 02:10:46,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 448 transitions. [2025-03-09 02:10:46,086 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 448 transitions. Word has length 44 [2025-03-09 02:10:46,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:10:46,087 INFO L471 AbstractCegarLoop]: Abstraction has 331 states and 448 transitions. [2025-03-09 02:10:46,087 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 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 02:10:46,087 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 448 transitions. [2025-03-09 02:10:46,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2025-03-09 02:10:46,087 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:10:46,087 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, 1, 1] [2025-03-09 02:10:46,093 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2025-03-09 02:10:46,288 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2025-03-09 02:10:46,288 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-09 02:10:46,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:10:46,288 INFO L85 PathProgramCache]: Analyzing trace with hash -1761969559, now seen corresponding path program 1 times [2025-03-09 02:10:46,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:10:46,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690612780] [2025-03-09 02:10:46,288 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:10:46,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:10:46,291 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-03-09 02:10:46,294 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-03-09 02:10:46,294 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:10:46,294 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:10:46,349 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-03-09 02:10:46,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:10:46,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690612780] [2025-03-09 02:10:46,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690612780] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:10:46,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [10230809] [2025-03-09 02:10:46,349 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:10:46,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:10:46,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:10:46,351 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 02:10:46,353 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 02:10:46,374 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-03-09 02:10:46,383 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-03-09 02:10:46,383 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:10:46,383 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:10:46,384 INFO L256 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-09 02:10:46,385 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:10:46,442 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 02:10:46,442 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:10:46,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [10230809] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:10:46,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:10:46,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2025-03-09 02:10:46,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352164108] [2025-03-09 02:10:46,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:10:46,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:10:46,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:10:46,443 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:10:46,443 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-03-09 02:10:46,443 INFO L87 Difference]: Start difference. First operand 331 states and 448 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 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 02:10:46,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:10:46,602 INFO L93 Difference]: Finished difference Result 359 states and 458 transitions. [2025-03-09 02:10:46,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 02:10:46,602 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 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 45 [2025-03-09 02:10:46,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:10:46,604 INFO L225 Difference]: With dead ends: 359 [2025-03-09 02:10:46,604 INFO L226 Difference]: Without dead ends: 357 [2025-03-09 02:10:46,604 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-03-09 02:10:46,604 INFO L435 NwaCegarLoop]: 112 mSDtfsCounter, 255 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 264 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:10:46,604 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [264 Valid, 212 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:10:46,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2025-03-09 02:10:46,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 332. [2025-03-09 02:10:46,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 245 states have (on average 1.6448979591836734) internal successors, (403), 306 states have internal predecessors, (403), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2025-03-09 02:10:46,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 447 transitions. [2025-03-09 02:10:46,616 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 447 transitions. Word has length 45 [2025-03-09 02:10:46,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:10:46,617 INFO L471 AbstractCegarLoop]: Abstraction has 332 states and 447 transitions. [2025-03-09 02:10:46,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 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 02:10:46,617 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 447 transitions. [2025-03-09 02:10:46,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2025-03-09 02:10:46,617 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:10:46,617 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, 1, 1, 1] [2025-03-09 02:10:46,623 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2025-03-09 02:10:46,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:10:46,818 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-09 02:10:46,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:10:46,818 INFO L85 PathProgramCache]: Analyzing trace with hash 1213518499, now seen corresponding path program 1 times [2025-03-09 02:10:46,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:10:46,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950421339] [2025-03-09 02:10:46,818 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:10:46,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:10:46,822 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-03-09 02:10:46,827 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-03-09 02:10:46,827 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:10:46,827 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:10:46,883 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-03-09 02:10:46,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:10:46,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950421339] [2025-03-09 02:10:46,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950421339] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:10:46,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2020024859] [2025-03-09 02:10:46,883 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:10:46,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:10:46,883 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:10:46,886 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 02:10:46,887 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 02:10:46,909 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-03-09 02:10:46,918 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-03-09 02:10:46,918 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:10:46,918 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:10:46,919 INFO L256 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-09 02:10:46,920 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:10:46,943 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 02:10:46,943 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:10:46,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2020024859] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:10:46,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:10:46,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 7 [2025-03-09 02:10:46,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956002781] [2025-03-09 02:10:46,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:10:46,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 02:10:46,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:10:46,944 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 02:10:46,945 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2025-03-09 02:10:46,945 INFO L87 Difference]: Start difference. First operand 332 states and 447 transitions. Second operand has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 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 02:10:46,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:10:46,995 INFO L93 Difference]: Finished difference Result 373 states and 465 transitions. [2025-03-09 02:10:46,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 02:10:46,996 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 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 46 [2025-03-09 02:10:46,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:10:46,998 INFO L225 Difference]: With dead ends: 373 [2025-03-09 02:10:46,998 INFO L226 Difference]: Without dead ends: 369 [2025-03-09 02:10:46,998 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2025-03-09 02:10:46,999 INFO L435 NwaCegarLoop]: 155 mSDtfsCounter, 81 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 02:10:46,999 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 298 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 02:10:46,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2025-03-09 02:10:47,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 334. [2025-03-09 02:10:47,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 334 states, 247 states have (on average 1.6234817813765183) internal successors, (401), 308 states have internal predecessors, (401), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2025-03-09 02:10:47,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 445 transitions. [2025-03-09 02:10:47,010 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 445 transitions. Word has length 46 [2025-03-09 02:10:47,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:10:47,011 INFO L471 AbstractCegarLoop]: Abstraction has 334 states and 445 transitions. [2025-03-09 02:10:47,011 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 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 02:10:47,011 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 445 transitions. [2025-03-09 02:10:47,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2025-03-09 02:10:47,011 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:10:47,011 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, 1, 1, 1, 1, 1] [2025-03-09 02:10:47,017 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 02:10:47,216 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:10:47,216 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-09 02:10:47,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:10:47,217 INFO L85 PathProgramCache]: Analyzing trace with hash -2039827679, now seen corresponding path program 1 times [2025-03-09 02:10:47,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:10:47,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156491126] [2025-03-09 02:10:47,217 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:10:47,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:10:47,221 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-03-09 02:10:47,225 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-03-09 02:10:47,226 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:10:47,226 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:10:47,295 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-03-09 02:10:47,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:10:47,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156491126] [2025-03-09 02:10:47,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156491126] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:10:47,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1912618994] [2025-03-09 02:10:47,296 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:10:47,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:10:47,296 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:10:47,298 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 02:10:47,299 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 02:10:47,320 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-03-09 02:10:47,329 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-03-09 02:10:47,329 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:10:47,329 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:10:47,330 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-09 02:10:47,331 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:10:47,368 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 02:10:47,368 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:10:47,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1912618994] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:10:47,368 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:10:47,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2025-03-09 02:10:47,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818313106] [2025-03-09 02:10:47,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:10:47,369 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:10:47,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:10:47,369 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:10:47,369 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-03-09 02:10:47,369 INFO L87 Difference]: Start difference. First operand 334 states and 445 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-03-09 02:10:47,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:10:47,483 INFO L93 Difference]: Finished difference Result 371 states and 459 transitions. [2025-03-09 02:10:47,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 02:10:47,483 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 48 [2025-03-09 02:10:47,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:10:47,485 INFO L225 Difference]: With dead ends: 371 [2025-03-09 02:10:47,485 INFO L226 Difference]: Without dead ends: 369 [2025-03-09 02:10:47,485 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-03-09 02:10:47,485 INFO L435 NwaCegarLoop]: 142 mSDtfsCounter, 142 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:10:47,486 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 309 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:10:47,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2025-03-09 02:10:47,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 335. [2025-03-09 02:10:47,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 248 states have (on average 1.6129032258064515) internal successors, (400), 309 states have internal predecessors, (400), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2025-03-09 02:10:47,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 444 transitions. [2025-03-09 02:10:47,495 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 444 transitions. Word has length 48 [2025-03-09 02:10:47,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:10:47,496 INFO L471 AbstractCegarLoop]: Abstraction has 335 states and 444 transitions. [2025-03-09 02:10:47,496 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-03-09 02:10:47,496 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 444 transitions. [2025-03-09 02:10:47,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2025-03-09 02:10:47,496 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:10:47,496 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, 1, 1, 1, 1, 1, 1] [2025-03-09 02:10:47,502 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 02:10:47,700 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:10:47,700 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-09 02:10:47,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:10:47,700 INFO L85 PathProgramCache]: Analyzing trace with hash 1189851365, now seen corresponding path program 1 times [2025-03-09 02:10:47,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:10:47,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982245891] [2025-03-09 02:10:47,701 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:10:47,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:10:47,704 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-03-09 02:10:47,708 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-03-09 02:10:47,708 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:10:47,708 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:10:47,762 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-03-09 02:10:47,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:10:47,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982245891] [2025-03-09 02:10:47,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982245891] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:10:47,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [708350996] [2025-03-09 02:10:47,762 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:10:47,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:10:47,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:10:47,764 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 02:10:47,766 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 02:10:47,789 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-03-09 02:10:47,798 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-03-09 02:10:47,799 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:10:47,799 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:10:47,799 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-09 02:10:47,800 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:10:47,864 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 02:10:47,864 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:10:47,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [708350996] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:10:47,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:10:47,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2025-03-09 02:10:47,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126223530] [2025-03-09 02:10:47,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:10:47,865 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:10:47,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:10:47,865 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:10:47,866 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-03-09 02:10:47,866 INFO L87 Difference]: Start difference. First operand 335 states and 444 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 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 02:10:48,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:10:48,019 INFO L93 Difference]: Finished difference Result 371 states and 456 transitions. [2025-03-09 02:10:48,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 02:10:48,020 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 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 49 [2025-03-09 02:10:48,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:10:48,021 INFO L225 Difference]: With dead ends: 371 [2025-03-09 02:10:48,021 INFO L226 Difference]: Without dead ends: 352 [2025-03-09 02:10:48,021 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-03-09 02:10:48,022 INFO L435 NwaCegarLoop]: 146 mSDtfsCounter, 140 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:10:48,022 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 313 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:10:48,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2025-03-09 02:10:48,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 319. [2025-03-09 02:10:48,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 234 states have (on average 1.6367521367521367) internal successors, (383), 295 states have internal predecessors, (383), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-03-09 02:10:48,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 425 transitions. [2025-03-09 02:10:48,045 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 425 transitions. Word has length 49 [2025-03-09 02:10:48,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:10:48,045 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 425 transitions. [2025-03-09 02:10:48,045 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 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 02:10:48,045 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 425 transitions. [2025-03-09 02:10:48,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2025-03-09 02:10:48,046 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:10:48,046 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, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:10:48,052 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2025-03-09 02:10:48,250 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:10:48,250 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-09 02:10:48,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:10:48,250 INFO L85 PathProgramCache]: Analyzing trace with hash 2015298348, now seen corresponding path program 1 times [2025-03-09 02:10:48,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:10:48,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781487548] [2025-03-09 02:10:48,250 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:10:48,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:10:48,254 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-03-09 02:10:48,261 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-03-09 02:10:48,261 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:10:48,261 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:10:48,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [7802703] [2025-03-09 02:10:48,261 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:10:48,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:10:48,261 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:10:48,263 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 02:10:48,265 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 02:10:48,287 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-03-09 02:10:48,298 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-03-09 02:10:48,298 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:10:48,298 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:10:48,299 INFO L256 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-09 02:10:48,300 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:10:48,372 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 02:10:48,372 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:10:48,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:10:48,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781487548] [2025-03-09 02:10:48,372 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:10:48,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [7802703] [2025-03-09 02:10:48,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [7802703] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:10:48,372 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:10:48,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 02:10:48,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370294448] [2025-03-09 02:10:48,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:10:48,373 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:10:48,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:10:48,373 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:10:48,373 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:10:48,373 INFO L87 Difference]: Start difference. First operand 319 states and 425 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, (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 02:10:48,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:10:48,499 INFO L93 Difference]: Finished difference Result 344 states and 446 transitions. [2025-03-09 02:10:48,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 02:10:48,500 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, (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 60 [2025-03-09 02:10:48,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:10:48,501 INFO L225 Difference]: With dead ends: 344 [2025-03-09 02:10:48,501 INFO L226 Difference]: Without dead ends: 343 [2025-03-09 02:10:48,501 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 57 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 02:10:48,502 INFO L435 NwaCegarLoop]: 90 mSDtfsCounter, 219 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:10:48,502 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [226 Valid, 170 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:10:48,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2025-03-09 02:10:48,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 319. [2025-03-09 02:10:48,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 234 states have (on average 1.6324786324786325) internal successors, (382), 295 states have internal predecessors, (382), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-03-09 02:10:48,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 424 transitions. [2025-03-09 02:10:48,513 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 424 transitions. Word has length 60 [2025-03-09 02:10:48,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:10:48,513 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 424 transitions. [2025-03-09 02:10:48,513 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, (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 02:10:48,513 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 424 transitions. [2025-03-09 02:10:48,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2025-03-09 02:10:48,513 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:10:48,513 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:10:48,523 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2025-03-09 02:10:48,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:10:48,714 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-09 02:10:48,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:10:48,714 INFO L85 PathProgramCache]: Analyzing trace with hash 966316712, now seen corresponding path program 1 times [2025-03-09 02:10:48,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:10:48,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675067575] [2025-03-09 02:10:48,714 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:10:48,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:10:48,717 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 70 statements into 1 equivalence classes. [2025-03-09 02:10:48,721 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 70 of 70 statements. [2025-03-09 02:10:48,721 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:10:48,721 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:10:48,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1758364949] [2025-03-09 02:10:48,722 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:10:48,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:10:48,722 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:10:48,724 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 02:10:48,725 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 02:10:48,750 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 70 statements into 1 equivalence classes. [2025-03-09 02:10:48,761 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 70 of 70 statements. [2025-03-09 02:10:48,761 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:10:48,761 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:10:48,762 INFO L256 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-09 02:10:48,763 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:10:48,893 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 02:10:48,893 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:10:48,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:10:48,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675067575] [2025-03-09 02:10:48,893 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:10:48,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1758364949] [2025-03-09 02:10:48,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1758364949] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:10:48,893 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:10:48,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 02:10:48,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706416062] [2025-03-09 02:10:48,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:10:48,893 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:10:48,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:10:48,894 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:10:48,894 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:10:48,894 INFO L87 Difference]: Start difference. First operand 319 states and 424 transitions. Second operand has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-03-09 02:10:49,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:10:49,036 INFO L93 Difference]: Finished difference Result 346 states and 445 transitions. [2025-03-09 02:10:49,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 02:10:49,036 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 70 [2025-03-09 02:10:49,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:10:49,037 INFO L225 Difference]: With dead ends: 346 [2025-03-09 02:10:49,037 INFO L226 Difference]: Without dead ends: 345 [2025-03-09 02:10:49,037 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 67 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 02:10:49,037 INFO L435 NwaCegarLoop]: 129 mSDtfsCounter, 92 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:10:49,038 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 238 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:10:49,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2025-03-09 02:10:49,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 319. [2025-03-09 02:10:49,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 234 states have (on average 1.623931623931624) internal successors, (380), 295 states have internal predecessors, (380), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-03-09 02:10:49,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 422 transitions. [2025-03-09 02:10:49,046 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 422 transitions. Word has length 70 [2025-03-09 02:10:49,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:10:49,046 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 422 transitions. [2025-03-09 02:10:49,046 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-03-09 02:10:49,046 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 422 transitions. [2025-03-09 02:10:49,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2025-03-09 02:10:49,047 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:10:49,047 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:10:49,052 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 02:10:49,247 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:10:49,247 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-09 02:10:49,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:10:49,248 INFO L85 PathProgramCache]: Analyzing trace with hash -108952941, now seen corresponding path program 1 times [2025-03-09 02:10:49,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:10:49,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191342829] [2025-03-09 02:10:49,248 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:10:49,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:10:49,252 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-03-09 02:10:49,257 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-03-09 02:10:49,257 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:10:49,257 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:10:49,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [176600428] [2025-03-09 02:10:49,258 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:10:49,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:10:49,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:10:49,260 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 02:10:49,268 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 02:10:49,296 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-03-09 02:10:49,309 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-03-09 02:10:49,310 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:10:49,310 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:10:49,311 INFO L256 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-09 02:10:49,312 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:10:50,390 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 02:10:50,390 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:10:50,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:10:50,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191342829] [2025-03-09 02:10:50,391 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:10:50,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [176600428] [2025-03-09 02:10:50,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [176600428] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:10:50,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:10:50,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 02:10:50,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104199791] [2025-03-09 02:10:50,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:10:50,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:10:50,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:10:50,391 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:10:50,391 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=5, Unknown=1, NotChecked=0, Total=12 [2025-03-09 02:10:50,392 INFO L87 Difference]: Start difference. First operand 319 states and 422 transitions. Second operand has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-03-09 02:10:54,396 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-03-09 02:10:56,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:10:56,440 INFO L93 Difference]: Finished difference Result 346 states and 443 transitions. [2025-03-09 02:10:56,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 02:10:56,441 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 71 [2025-03-09 02:10:56,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:10:56,443 INFO L225 Difference]: With dead ends: 346 [2025-03-09 02:10:56,443 INFO L226 Difference]: Without dead ends: 345 [2025-03-09 02:10:56,444 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=6, Invalid=5, Unknown=1, NotChecked=0, Total=12 [2025-03-09 02:10:56,444 INFO L435 NwaCegarLoop]: 130 mSDtfsCounter, 45 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2025-03-09 02:10:56,444 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 342 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 146 Invalid, 3 Unknown, 0 Unchecked, 6.0s Time] [2025-03-09 02:10:56,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2025-03-09 02:10:56,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 319. [2025-03-09 02:10:56,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 234 states have (on average 1.6153846153846154) internal successors, (378), 295 states have internal predecessors, (378), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-03-09 02:10:56,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 420 transitions. [2025-03-09 02:10:56,455 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 420 transitions. Word has length 71 [2025-03-09 02:10:56,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:10:56,456 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 420 transitions. [2025-03-09 02:10:56,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-03-09 02:10:56,456 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 420 transitions. [2025-03-09 02:10:56,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2025-03-09 02:10:56,457 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:10:56,457 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:10:56,463 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2025-03-09 02:10:56,657 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,SelfDestructingSolverStorable23 [2025-03-09 02:10:56,658 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-09 02:10:56,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:10:56,658 INFO L85 PathProgramCache]: Analyzing trace with hash 917426182, now seen corresponding path program 1 times [2025-03-09 02:10:56,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:10:56,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773717899] [2025-03-09 02:10:56,658 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:10:56,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:10:56,661 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-03-09 02:10:56,666 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-03-09 02:10:56,666 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:10:56,666 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:10:56,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1096981904] [2025-03-09 02:10:56,666 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:10:56,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:10:56,666 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:10:56,669 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 02:10:56,670 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 02:10:56,694 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-03-09 02:10:56,706 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-03-09 02:10:56,706 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:10:56,706 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:10:56,707 INFO L256 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-09 02:10:56,708 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:10:56,752 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 02:10:56,752 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:10:56,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:10:56,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773717899] [2025-03-09 02:10:56,753 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:10:56,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1096981904] [2025-03-09 02:10:56,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1096981904] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:10:56,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:10:56,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 02:10:56,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558752031] [2025-03-09 02:10:56,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:10:56,753 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:10:56,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:10:56,754 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:10:56,754 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:10:56,754 INFO L87 Difference]: Start difference. First operand 319 states and 420 transitions. Second operand has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-03-09 02:10:57,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:10:57,003 INFO L93 Difference]: Finished difference Result 339 states and 431 transitions. [2025-03-09 02:10:57,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 02:10:57,004 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 72 [2025-03-09 02:10:57,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:10:57,005 INFO L225 Difference]: With dead ends: 339 [2025-03-09 02:10:57,005 INFO L226 Difference]: Without dead ends: 337 [2025-03-09 02:10:57,005 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 69 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 02:10:57,005 INFO L435 NwaCegarLoop]: 151 mSDtfsCounter, 60 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:10:57,006 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 345 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:10:57,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2025-03-09 02:10:57,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 319. [2025-03-09 02:10:57,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 234 states have (on average 1.5982905982905984) internal successors, (374), 295 states have internal predecessors, (374), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-03-09 02:10:57,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 416 transitions. [2025-03-09 02:10:57,020 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 416 transitions. Word has length 72 [2025-03-09 02:10:57,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:10:57,020 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 416 transitions. [2025-03-09 02:10:57,020 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-03-09 02:10:57,020 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 416 transitions. [2025-03-09 02:10:57,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2025-03-09 02:10:57,020 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:10:57,020 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:10:57,028 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2025-03-09 02:10:57,221 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,SelfDestructingSolverStorable24 [2025-03-09 02:10:57,221 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-09 02:10:57,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:10:57,222 INFO L85 PathProgramCache]: Analyzing trace with hash -1624559375, now seen corresponding path program 1 times [2025-03-09 02:10:57,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:10:57,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861111008] [2025-03-09 02:10:57,222 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:10:57,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:10:57,226 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 73 statements into 1 equivalence classes. [2025-03-09 02:10:57,233 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-03-09 02:10:57,233 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:10:57,233 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:10:57,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1025943130] [2025-03-09 02:10:57,234 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:10:57,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:10:57,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:10:57,239 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 02:10:57,246 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 02:10:57,272 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 73 statements into 1 equivalence classes. [2025-03-09 02:10:57,284 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-03-09 02:10:57,284 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:10:57,284 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:10:57,285 INFO L256 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-09 02:10:57,286 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:10:57,354 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 02:10:57,354 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:10:57,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:10:57,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861111008] [2025-03-09 02:10:57,354 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:10:57,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1025943130] [2025-03-09 02:10:57,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1025943130] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:10:57,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:10:57,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 02:10:57,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543655737] [2025-03-09 02:10:57,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:10:57,355 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:10:57,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:10:57,355 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:10:57,356 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:10:57,356 INFO L87 Difference]: Start difference. First operand 319 states and 416 transitions. Second operand has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-03-09 02:10:57,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:10:57,602 INFO L93 Difference]: Finished difference Result 339 states and 427 transitions. [2025-03-09 02:10:57,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 02:10:57,603 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 73 [2025-03-09 02:10:57,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:10:57,604 INFO L225 Difference]: With dead ends: 339 [2025-03-09 02:10:57,604 INFO L226 Difference]: Without dead ends: 337 [2025-03-09 02:10:57,604 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 70 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 02:10:57,605 INFO L435 NwaCegarLoop]: 154 mSDtfsCounter, 97 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:10:57,605 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 285 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:10:57,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2025-03-09 02:10:57,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 319. [2025-03-09 02:10:57,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 234 states have (on average 1.5811965811965811) internal successors, (370), 295 states have internal predecessors, (370), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-03-09 02:10:57,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 412 transitions. [2025-03-09 02:10:57,613 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 412 transitions. Word has length 73 [2025-03-09 02:10:57,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:10:57,613 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 412 transitions. [2025-03-09 02:10:57,613 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-03-09 02:10:57,613 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 412 transitions. [2025-03-09 02:10:57,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2025-03-09 02:10:57,614 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:10:57,614 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:10:57,619 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 02:10:57,814 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2025-03-09 02:10:57,814 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-09 02:10:57,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:10:57,815 INFO L85 PathProgramCache]: Analyzing trace with hash -1433040864, now seen corresponding path program 1 times [2025-03-09 02:10:57,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:10:57,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312542449] [2025-03-09 02:10:57,815 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:10:57,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:10:57,818 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 78 statements into 1 equivalence classes. [2025-03-09 02:10:57,823 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 78 of 78 statements. [2025-03-09 02:10:57,823 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:10:57,823 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:10:57,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1283721167] [2025-03-09 02:10:57,823 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:10:57,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:10:57,824 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:10:57,825 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 02:10:57,834 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 02:10:57,856 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 78 statements into 1 equivalence classes. [2025-03-09 02:10:57,869 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 78 of 78 statements. [2025-03-09 02:10:57,869 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:10:57,869 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:10:57,870 INFO L256 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-09 02:10:57,872 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:10:57,982 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2025-03-09 02:10:57,983 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:10:58,114 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2025-03-09 02:10:58,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:10:58,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312542449] [2025-03-09 02:10:58,114 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:10:58,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1283721167] [2025-03-09 02:10:58,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1283721167] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:10:58,114 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-09 02:10:58,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2025-03-09 02:10:58,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532596283] [2025-03-09 02:10:58,114 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-09 02:10:58,115 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-09 02:10:58,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:10:58,115 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-09 02:10:58,115 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2025-03-09 02:10:58,115 INFO L87 Difference]: Start difference. First operand 319 states and 412 transitions. Second operand has 9 states, 8 states have (on average 11.875) internal successors, (95), 7 states have internal predecessors, (95), 3 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (13), 5 states have call predecessors, (13), 3 states have call successors, (13) [2025-03-09 02:10:58,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:10:58,522 INFO L93 Difference]: Finished difference Result 340 states and 414 transitions. [2025-03-09 02:10:58,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-09 02:10:58,522 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 11.875) internal successors, (95), 7 states have internal predecessors, (95), 3 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (13), 5 states have call predecessors, (13), 3 states have call successors, (13) Word has length 78 [2025-03-09 02:10:58,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:10:58,523 INFO L225 Difference]: With dead ends: 340 [2025-03-09 02:10:58,523 INFO L226 Difference]: Without dead ends: 339 [2025-03-09 02:10:58,524 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 146 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2025-03-09 02:10:58,524 INFO L435 NwaCegarLoop]: 104 mSDtfsCounter, 210 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-09 02:10:58,524 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [215 Valid, 350 Invalid, 355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 350 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-09 02:10:58,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2025-03-09 02:10:58,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 319. [2025-03-09 02:10:58,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 234 states have (on average 1.5683760683760684) internal successors, (367), 295 states have internal predecessors, (367), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-03-09 02:10:58,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 409 transitions. [2025-03-09 02:10:58,532 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 409 transitions. Word has length 78 [2025-03-09 02:10:58,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:10:58,532 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 409 transitions. [2025-03-09 02:10:58,532 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 11.875) internal successors, (95), 7 states have internal predecessors, (95), 3 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (13), 5 states have call predecessors, (13), 3 states have call successors, (13) [2025-03-09 02:10:58,532 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 409 transitions. [2025-03-09 02:10:58,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2025-03-09 02:10:58,533 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:10:58,533 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:10:58,539 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 02:10:58,733 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:10:58,733 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-09 02:10:58,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:10:58,734 INFO L85 PathProgramCache]: Analyzing trace with hash -1474593781, now seen corresponding path program 1 times [2025-03-09 02:10:58,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:10:58,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561815784] [2025-03-09 02:10:58,734 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:10:58,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:10:58,738 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-03-09 02:10:58,742 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-03-09 02:10:58,742 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:10:58,742 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:10:58,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1383933097] [2025-03-09 02:10:58,742 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:10:58,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:10:58,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:10:58,744 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 02:10:58,746 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 02:10:58,768 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-03-09 02:10:58,780 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-03-09 02:10:58,780 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:10:58,780 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:10:58,781 INFO L256 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-03-09 02:10:58,782 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:10:58,964 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2025-03-09 02:10:58,964 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:10:59,363 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2025-03-09 02:10:59,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:10:59,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561815784] [2025-03-09 02:10:59,364 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:10:59,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1383933097] [2025-03-09 02:10:59,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1383933097] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:10:59,364 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-09 02:10:59,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2025-03-09 02:10:59,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238562634] [2025-03-09 02:10:59,364 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-09 02:10:59,364 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-09 02:10:59,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:10:59,365 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-09 02:10:59,365 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2025-03-09 02:10:59,365 INFO L87 Difference]: Start difference. First operand 319 states and 409 transitions. Second operand has 11 states, 8 states have (on average 12.25) internal successors, (98), 9 states have internal predecessors, (98), 4 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 6 states have call predecessors, (14), 4 states have call successors, (14) [2025-03-09 02:10:59,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:10:59,961 INFO L93 Difference]: Finished difference Result 340 states and 411 transitions. [2025-03-09 02:10:59,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-09 02:10:59,962 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 8 states have (on average 12.25) internal successors, (98), 9 states have internal predecessors, (98), 4 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 6 states have call predecessors, (14), 4 states have call successors, (14) Word has length 79 [2025-03-09 02:10:59,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:10:59,963 INFO L225 Difference]: With dead ends: 340 [2025-03-09 02:10:59,963 INFO L226 Difference]: Without dead ends: 339 [2025-03-09 02:10:59,963 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 146 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2025-03-09 02:10:59,963 INFO L435 NwaCegarLoop]: 104 mSDtfsCounter, 304 mSDsluCounter, 310 mSDsCounter, 0 mSdLazyCounter, 385 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 309 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-09 02:10:59,963 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [309 Valid, 414 Invalid, 396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 385 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-09 02:10:59,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2025-03-09 02:10:59,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 319. [2025-03-09 02:10:59,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 234 states have (on average 1.5555555555555556) internal successors, (364), 295 states have internal predecessors, (364), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-03-09 02:10:59,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 406 transitions. [2025-03-09 02:10:59,971 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 406 transitions. Word has length 79 [2025-03-09 02:10:59,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:10:59,971 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 406 transitions. [2025-03-09 02:10:59,971 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 8 states have (on average 12.25) internal successors, (98), 9 states have internal predecessors, (98), 4 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 6 states have call predecessors, (14), 4 states have call successors, (14) [2025-03-09 02:10:59,971 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 406 transitions. [2025-03-09 02:10:59,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2025-03-09 02:10:59,972 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:10:59,972 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:10:59,979 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2025-03-09 02:11:00,172 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2025-03-09 02:11:00,172 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-09 02:11:00,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:11:00,173 INFO L85 PathProgramCache]: Analyzing trace with hash 1532233086, now seen corresponding path program 1 times [2025-03-09 02:11:00,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:11:00,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902886044] [2025-03-09 02:11:00,173 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:11:00,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:11:00,177 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-03-09 02:11:00,192 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-03-09 02:11:00,193 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:11:00,193 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:11:00,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1645643307] [2025-03-09 02:11:00,193 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:11:00,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:11:00,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:11:00,195 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 02:11:00,197 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 02:11:00,221 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-03-09 02:11:00,237 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-03-09 02:11:00,237 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:11:00,237 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:11:00,238 INFO L256 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-03-09 02:11:00,239 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:11:00,470 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2025-03-09 02:11:00,470 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:11:04,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:11:04,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902886044] [2025-03-09 02:11:04,751 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:11:04,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1645643307] [2025-03-09 02:11:04,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1645643307] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:11:04,751 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:11:04,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-03-09 02:11:04,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034247725] [2025-03-09 02:11:04,751 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:11:04,751 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-09 02:11:04,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:11:04,751 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-09 02:11:04,752 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=63, Unknown=1, NotChecked=0, Total=90 [2025-03-09 02:11:04,752 INFO L87 Difference]: Start difference. First operand 319 states and 406 transitions. Second operand has 8 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2025-03-09 02:11:05,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:11:05,116 INFO L93 Difference]: Finished difference Result 338 states and 417 transitions. [2025-03-09 02:11:05,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-09 02:11:05,117 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 80 [2025-03-09 02:11:05,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:11:05,118 INFO L225 Difference]: With dead ends: 338 [2025-03-09 02:11:05,118 INFO L226 Difference]: Without dead ends: 335 [2025-03-09 02:11:05,118 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=26, Invalid=63, Unknown=1, NotChecked=0, Total=90 [2025-03-09 02:11:05,119 INFO L435 NwaCegarLoop]: 89 mSDtfsCounter, 192 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 593 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 356 SdHoareTripleChecker+Invalid, 595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 593 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-09 02:11:05,119 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 356 Invalid, 595 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 593 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-09 02:11:05,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2025-03-09 02:11:05,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 319. [2025-03-09 02:11:05,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 234 states have (on average 1.5299145299145298) internal successors, (358), 295 states have internal predecessors, (358), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-03-09 02:11:05,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 400 transitions. [2025-03-09 02:11:05,129 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 400 transitions. Word has length 80 [2025-03-09 02:11:05,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:11:05,129 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 400 transitions. [2025-03-09 02:11:05,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2025-03-09 02:11:05,129 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 400 transitions. [2025-03-09 02:11:05,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2025-03-09 02:11:05,129 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:11:05,129 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, 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 02:11:05,136 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 02:11:05,330 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,SelfDestructingSolverStorable28 [2025-03-09 02:11:05,331 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-09 02:11:05,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:11:05,331 INFO L85 PathProgramCache]: Analyzing trace with hash 254585449, now seen corresponding path program 1 times [2025-03-09 02:11:05,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:11:05,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401341081] [2025-03-09 02:11:05,331 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:11:05,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:11:05,334 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-03-09 02:11:05,338 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-03-09 02:11:05,338 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:11:05,338 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:11:05,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2132520617] [2025-03-09 02:11:05,339 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:11:05,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:11:05,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:11:05,341 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 02:11:05,343 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 02:11:05,368 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-03-09 02:11:05,381 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-03-09 02:11:05,381 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:11:05,381 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:11:05,383 INFO L256 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-03-09 02:11:05,384 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:11:05,847 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2025-03-09 02:11:05,847 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:11:05,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:11:05,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401341081] [2025-03-09 02:11:05,912 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:11:05,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2132520617] [2025-03-09 02:11:05,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2132520617] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:11:05,912 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:11:05,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2025-03-09 02:11:05,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112093780] [2025-03-09 02:11:05,913 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:11:05,913 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-09 02:11:05,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:11:05,913 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-09 02:11:05,913 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-09 02:11:05,913 INFO L87 Difference]: Start difference. First operand 319 states and 400 transitions. Second operand has 7 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2025-03-09 02:11:06,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:11:06,192 INFO L93 Difference]: Finished difference Result 326 states and 401 transitions. [2025-03-09 02:11:06,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-09 02:11:06,192 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 81 [2025-03-09 02:11:06,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:11:06,193 INFO L225 Difference]: With dead ends: 326 [2025-03-09 02:11:06,193 INFO L226 Difference]: Without dead ends: 323 [2025-03-09 02:11:06,194 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-09 02:11:06,194 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 151 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 429 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 277 SdHoareTripleChecker+Invalid, 432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-09 02:11:06,194 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 277 Invalid, 432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 429 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-09 02:11:06,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2025-03-09 02:11:06,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 319. [2025-03-09 02:11:06,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 234 states have (on average 1.5042735042735043) internal successors, (352), 295 states have internal predecessors, (352), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-03-09 02:11:06,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 394 transitions. [2025-03-09 02:11:06,203 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 394 transitions. Word has length 81 [2025-03-09 02:11:06,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:11:06,203 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 394 transitions. [2025-03-09 02:11:06,203 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2025-03-09 02:11:06,203 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 394 transitions. [2025-03-09 02:11:06,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2025-03-09 02:11:06,204 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:11:06,204 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 02:11:06,210 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 02:11:06,404 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:11:06,405 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-09 02:11:06,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:11:06,405 INFO L85 PathProgramCache]: Analyzing trace with hash 1533017719, now seen corresponding path program 1 times [2025-03-09 02:11:06,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:11:06,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432816484] [2025-03-09 02:11:06,405 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:11:06,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:11:06,409 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes. [2025-03-09 02:11:06,412 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements. [2025-03-09 02:11:06,412 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:11:06,412 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:11:06,438 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 02:11:06,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:11:06,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432816484] [2025-03-09 02:11:06,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432816484] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:11:06,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:11:06,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 02:11:06,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541330115] [2025-03-09 02:11:06,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:11:06,439 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 02:11:06,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:11:06,439 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 02:11:06,440 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:11:06,440 INFO L87 Difference]: Start difference. First operand 319 states and 394 transitions. Second operand has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2025-03-09 02:11:06,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:11:06,499 INFO L93 Difference]: Finished difference Result 319 states and 394 transitions. [2025-03-09 02:11:06,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 02:11:06,499 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 94 [2025-03-09 02:11:06,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:11:06,500 INFO L225 Difference]: With dead ends: 319 [2025-03-09 02:11:06,500 INFO L226 Difference]: Without dead ends: 318 [2025-03-09 02:11:06,500 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 02:11:06,500 INFO L435 NwaCegarLoop]: 163 mSDtfsCounter, 1 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:11:06,501 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 295 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:11:06,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2025-03-09 02:11:06,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 318. [2025-03-09 02:11:06,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 234 states have (on average 1.4871794871794872) internal successors, (348), 294 states have internal predecessors, (348), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-03-09 02:11:06,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 390 transitions. [2025-03-09 02:11:06,511 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 390 transitions. Word has length 94 [2025-03-09 02:11:06,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:11:06,511 INFO L471 AbstractCegarLoop]: Abstraction has 318 states and 390 transitions. [2025-03-09 02:11:06,511 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2025-03-09 02:11:06,512 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 390 transitions. [2025-03-09 02:11:06,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2025-03-09 02:11:06,512 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:11:06,512 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 02:11:06,512 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2025-03-09 02:11:06,513 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-09 02:11:06,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:11:06,513 INFO L85 PathProgramCache]: Analyzing trace with hash 278909053, now seen corresponding path program 1 times [2025-03-09 02:11:06,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:11:06,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136692831] [2025-03-09 02:11:06,513 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:11:06,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:11:06,517 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-03-09 02:11:06,532 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-03-09 02:11:06,532 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:11:06,532 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:11:06,580 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 02:11:06,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:11:06,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136692831] [2025-03-09 02:11:06,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136692831] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:11:06,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:11:06,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-09 02:11:06,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861144327] [2025-03-09 02:11:06,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:11:06,581 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-09 02:11:06,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:11:06,582 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-09 02:11:06,582 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-09 02:11:06,582 INFO L87 Difference]: Start difference. First operand 318 states and 390 transitions. Second operand has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 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 02:11:06,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:11:06,945 INFO L93 Difference]: Finished difference Result 326 states and 394 transitions. [2025-03-09 02:11:06,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-09 02:11:06,945 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 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 95 [2025-03-09 02:11:06,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:11:06,946 INFO L225 Difference]: With dead ends: 326 [2025-03-09 02:11:06,947 INFO L226 Difference]: Without dead ends: 325 [2025-03-09 02:11:06,947 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 02:11:06,948 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 273 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 278 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-09 02:11:06,949 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [278 Valid, 227 Invalid, 367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 351 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-09 02:11:06,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2025-03-09 02:11:06,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 318. [2025-03-09 02:11:06,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 234 states have (on average 1.482905982905983) internal successors, (347), 294 states have internal predecessors, (347), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-03-09 02:11:06,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 389 transitions. [2025-03-09 02:11:06,960 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 389 transitions. Word has length 95 [2025-03-09 02:11:06,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:11:06,961 INFO L471 AbstractCegarLoop]: Abstraction has 318 states and 389 transitions. [2025-03-09 02:11:06,961 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 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 02:11:06,961 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 389 transitions. [2025-03-09 02:11:06,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2025-03-09 02:11:06,961 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:11:06,961 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, 1] [2025-03-09 02:11:06,962 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2025-03-09 02:11:06,962 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-09 02:11:06,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:11:06,962 INFO L85 PathProgramCache]: Analyzing trace with hash 1742489146, now seen corresponding path program 1 times [2025-03-09 02:11:06,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:11:06,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165515056] [2025-03-09 02:11:06,962 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:11:06,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:11:06,966 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-03-09 02:11:06,969 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-03-09 02:11:06,969 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:11:06,969 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:11:07,021 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 02:11:07,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:11:07,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165515056] [2025-03-09 02:11:07,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165515056] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:11:07,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:11:07,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-09 02:11:07,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107781269] [2025-03-09 02:11:07,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:11:07,022 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-09 02:11:07,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:11:07,022 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-09 02:11:07,022 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-09 02:11:07,022 INFO L87 Difference]: Start difference. First operand 318 states and 389 transitions. Second operand has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 states have internal predecessors, (63), 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 02:11:07,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:11:07,080 INFO L93 Difference]: Finished difference Result 334 states and 400 transitions. [2025-03-09 02:11:07,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-09 02:11:07,080 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 states have internal predecessors, (63), 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 97 [2025-03-09 02:11:07,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:11:07,081 INFO L225 Difference]: With dead ends: 334 [2025-03-09 02:11:07,081 INFO L226 Difference]: Without dead ends: 333 [2025-03-09 02:11:07,081 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 02:11:07,082 INFO L435 NwaCegarLoop]: 159 mSDtfsCounter, 16 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 451 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 02:11:07,082 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 451 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 02:11:07,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2025-03-09 02:11:07,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 323. [2025-03-09 02:11:07,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 239 states have (on average 1.4728033472803348) internal successors, (352), 299 states have internal predecessors, (352), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-03-09 02:11:07,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 394 transitions. [2025-03-09 02:11:07,091 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 394 transitions. Word has length 97 [2025-03-09 02:11:07,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:11:07,091 INFO L471 AbstractCegarLoop]: Abstraction has 323 states and 394 transitions. [2025-03-09 02:11:07,091 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 states have internal predecessors, (63), 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 02:11:07,091 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 394 transitions. [2025-03-09 02:11:07,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2025-03-09 02:11:07,092 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:11:07,092 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, 1, 1] [2025-03-09 02:11:07,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2025-03-09 02:11:07,092 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-09 02:11:07,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:11:07,092 INFO L85 PathProgramCache]: Analyzing trace with hash -1817411315, now seen corresponding path program 1 times [2025-03-09 02:11:07,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:11:07,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71770161] [2025-03-09 02:11:07,092 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:11:07,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:11:07,097 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 98 statements into 1 equivalence classes. [2025-03-09 02:11:07,105 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-03-09 02:11:07,105 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:11:07,105 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:11:07,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [826662706] [2025-03-09 02:11:07,105 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:11:07,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:11:07,106 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:11:07,107 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 02:11:07,109 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 02:11:07,139 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 98 statements into 1 equivalence classes. [2025-03-09 02:11:07,152 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-03-09 02:11:07,152 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:11:07,152 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:11:07,154 INFO L256 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-09 02:11:07,155 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:11:07,298 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 02:11:07,298 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:11:07,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:11:07,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71770161] [2025-03-09 02:11:07,298 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:11:07,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [826662706] [2025-03-09 02:11:07,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [826662706] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:11:07,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:11:07,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 02:11:07,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613231742] [2025-03-09 02:11:07,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:11:07,299 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:11:07,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:11:07,299 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:11:07,299 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:11:07,299 INFO L87 Difference]: Start difference. First operand 323 states and 394 transitions. Second operand has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 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 02:11:07,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:11:07,586 INFO L93 Difference]: Finished difference Result 334 states and 398 transitions. [2025-03-09 02:11:07,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 02:11:07,587 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 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 98 [2025-03-09 02:11:07,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:11:07,588 INFO L225 Difference]: With dead ends: 334 [2025-03-09 02:11:07,588 INFO L226 Difference]: Without dead ends: 333 [2025-03-09 02:11:07,588 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-09 02:11:07,589 INFO L435 NwaCegarLoop]: 140 mSDtfsCounter, 17 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-09 02:11:07,589 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 328 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-09 02:11:07,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2025-03-09 02:11:07,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 325. [2025-03-09 02:11:07,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 241 states have (on average 1.4688796680497926) internal successors, (354), 301 states have internal predecessors, (354), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-03-09 02:11:07,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 396 transitions. [2025-03-09 02:11:07,600 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 396 transitions. Word has length 98 [2025-03-09 02:11:07,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:11:07,600 INFO L471 AbstractCegarLoop]: Abstraction has 325 states and 396 transitions. [2025-03-09 02:11:07,600 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 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 02:11:07,600 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 396 transitions. [2025-03-09 02:11:07,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2025-03-09 02:11:07,601 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:11:07,601 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:11:07,609 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2025-03-09 02:11:07,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:11:07,806 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr60ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-09 02:11:07,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:11:07,807 INFO L85 PathProgramCache]: Analyzing trace with hash 1091994959, now seen corresponding path program 1 times [2025-03-09 02:11:07,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:11:07,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048824529] [2025-03-09 02:11:07,807 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:11:07,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:11:07,811 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-03-09 02:11:07,824 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-03-09 02:11:07,824 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:11:07,824 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:11:07,880 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-09 02:11:07,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:11:07,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048824529] [2025-03-09 02:11:07,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2048824529] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:11:07,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1297668196] [2025-03-09 02:11:07,880 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:11:07,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:11:07,881 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:11:07,882 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 02:11:07,884 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 02:11:07,913 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-03-09 02:11:07,929 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-03-09 02:11:07,929 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:11:07,930 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:11:07,930 INFO L256 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-09 02:11:07,932 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:11:08,011 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-09 02:11:08,014 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:11:08,123 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-09 02:11:08,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1297668196] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:11:08,124 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 02:11:08,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 7] total 13 [2025-03-09 02:11:08,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191271087] [2025-03-09 02:11:08,124 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 02:11:08,124 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-09 02:11:08,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:11:08,124 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-09 02:11:08,124 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2025-03-09 02:11:08,124 INFO L87 Difference]: Start difference. First operand 325 states and 396 transitions. Second operand has 14 states, 13 states have (on average 10.153846153846153) internal successors, (132), 14 states have internal predecessors, (132), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2025-03-09 02:11:08,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:11:08,300 INFO L93 Difference]: Finished difference Result 820 states and 966 transitions. [2025-03-09 02:11:08,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-03-09 02:11:08,300 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 10.153846153846153) internal successors, (132), 14 states have internal predecessors, (132), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) Word has length 100 [2025-03-09 02:11:08,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:11:08,301 INFO L225 Difference]: With dead ends: 820 [2025-03-09 02:11:08,301 INFO L226 Difference]: Without dead ends: 618 [2025-03-09 02:11:08,302 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=182, Invalid=520, Unknown=0, NotChecked=0, Total=702 [2025-03-09 02:11:08,302 INFO L435 NwaCegarLoop]: 156 mSDtfsCounter, 276 mSDsluCounter, 1162 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 276 SdHoareTripleChecker+Valid, 1318 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:11:08,302 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [276 Valid, 1318 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:11:08,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 618 states. [2025-03-09 02:11:08,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 618 to 517. [2025-03-09 02:11:08,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 517 states, 416 states have (on average 1.4302884615384615) internal successors, (595), 477 states have internal predecessors, (595), 34 states have call successors, (34), 6 states have call predecessors, (34), 6 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2025-03-09 02:11:08,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 517 states and 663 transitions. [2025-03-09 02:11:08,318 INFO L78 Accepts]: Start accepts. Automaton has 517 states and 663 transitions. Word has length 100 [2025-03-09 02:11:08,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:11:08,318 INFO L471 AbstractCegarLoop]: Abstraction has 517 states and 663 transitions. [2025-03-09 02:11:08,318 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 10.153846153846153) internal successors, (132), 14 states have internal predecessors, (132), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2025-03-09 02:11:08,318 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 663 transitions. [2025-03-09 02:11:08,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2025-03-09 02:11:08,319 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:11:08,319 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, 1, 1, 1, 1, 1] [2025-03-09 02:11:08,325 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2025-03-09 02:11:08,519 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:11:08,520 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-09 02:11:08,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:11:08,522 INFO L85 PathProgramCache]: Analyzing trace with hash -142746890, now seen corresponding path program 1 times [2025-03-09 02:11:08,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:11:08,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732812716] [2025-03-09 02:11:08,522 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:11:08,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:11:08,528 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-03-09 02:11:08,531 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-03-09 02:11:08,532 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:11:08,532 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:11:08,612 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 02:11:08,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:11:08,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732812716] [2025-03-09 02:11:08,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732812716] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:11:08,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:11:08,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-09 02:11:08,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754196566] [2025-03-09 02:11:08,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:11:08,613 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-09 02:11:08,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:11:08,613 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-09 02:11:08,613 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-09 02:11:08,613 INFO L87 Difference]: Start difference. First operand 517 states and 663 transitions. Second operand has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 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 02:11:08,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:11:08,691 INFO L93 Difference]: Finished difference Result 532 states and 671 transitions. [2025-03-09 02:11:08,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-09 02:11:08,691 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 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 101 [2025-03-09 02:11:08,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:11:08,693 INFO L225 Difference]: With dead ends: 532 [2025-03-09 02:11:08,693 INFO L226 Difference]: Without dead ends: 531 [2025-03-09 02:11:08,693 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 02:11:08,694 INFO L435 NwaCegarLoop]: 160 mSDtfsCounter, 18 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:11:08,694 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 453 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:11:08,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states. [2025-03-09 02:11:08,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 520. [2025-03-09 02:11:08,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 520 states, 419 states have (on average 1.4295942720763724) internal successors, (599), 480 states have internal predecessors, (599), 34 states have call successors, (34), 6 states have call predecessors, (34), 6 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2025-03-09 02:11:08,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 667 transitions. [2025-03-09 02:11:08,712 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 667 transitions. Word has length 101 [2025-03-09 02:11:08,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:11:08,712 INFO L471 AbstractCegarLoop]: Abstraction has 520 states and 667 transitions. [2025-03-09 02:11:08,712 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 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 02:11:08,712 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 667 transitions. [2025-03-09 02:11:08,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2025-03-09 02:11:08,714 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:11:08,714 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:11:08,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2025-03-09 02:11:08,714 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-09 02:11:08,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:11:08,714 INFO L85 PathProgramCache]: Analyzing trace with hash -130186295, now seen corresponding path program 1 times [2025-03-09 02:11:08,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:11:08,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801957202] [2025-03-09 02:11:08,714 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:11:08,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:11:08,719 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-03-09 02:11:08,736 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-03-09 02:11:08,737 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:11:08,737 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:11:08,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [438878372] [2025-03-09 02:11:08,737 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:11:08,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:11:08,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:11:08,742 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 02:11:08,743 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 02:11:08,775 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-03-09 02:11:08,790 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-03-09 02:11:08,791 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:11:08,791 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:11:08,791 INFO L256 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-09 02:11:08,793 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:11:08,931 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 02:11:08,931 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:11:08,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:11:08,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801957202] [2025-03-09 02:11:08,932 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:11:08,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [438878372] [2025-03-09 02:11:08,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [438878372] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:11:08,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:11:08,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-09 02:11:08,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869251195] [2025-03-09 02:11:08,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:11:08,932 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-09 02:11:08,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:11:08,932 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-09 02:11:08,932 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-09 02:11:08,932 INFO L87 Difference]: Start difference. First operand 520 states and 667 transitions. Second operand has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 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 02:11:09,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:11:09,059 INFO L93 Difference]: Finished difference Result 531 states and 670 transitions. [2025-03-09 02:11:09,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-09 02:11:09,059 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 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 102 [2025-03-09 02:11:09,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:11:09,061 INFO L225 Difference]: With dead ends: 531 [2025-03-09 02:11:09,061 INFO L226 Difference]: Without dead ends: 530 [2025-03-09 02:11:09,061 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-09 02:11:09,061 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 68 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:11:09,061 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 465 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:11:09,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2025-03-09 02:11:09,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 522. [2025-03-09 02:11:09,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 522 states, 421 states have (on average 1.4275534441805227) internal successors, (601), 482 states have internal predecessors, (601), 34 states have call successors, (34), 6 states have call predecessors, (34), 6 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2025-03-09 02:11:09,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 669 transitions. [2025-03-09 02:11:09,078 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 669 transitions. Word has length 102 [2025-03-09 02:11:09,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:11:09,079 INFO L471 AbstractCegarLoop]: Abstraction has 522 states and 669 transitions. [2025-03-09 02:11:09,079 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 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 02:11:09,079 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 669 transitions. [2025-03-09 02:11:09,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2025-03-09 02:11:09,079 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:11:09,079 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:11:09,085 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 02:11:09,279 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 02:11:09,280 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-09 02:11:09,280 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:11:09,280 INFO L85 PathProgramCache]: Analyzing trace with hash 1435138637, now seen corresponding path program 1 times [2025-03-09 02:11:09,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:11:09,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683120641] [2025-03-09 02:11:09,280 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:11:09,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:11:09,285 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-03-09 02:11:09,291 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-03-09 02:11:09,291 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:11:09,291 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:11:09,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1439074397] [2025-03-09 02:11:09,292 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:11:09,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:11:09,292 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:11:09,294 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 02:11:09,295 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 02:11:09,323 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-03-09 02:11:09,339 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-03-09 02:11:09,339 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:11:09,339 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:11:09,340 INFO L256 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-03-09 02:11:09,342 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:11:09,490 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-03-09 02:11:09,490 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:11:09,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:11:09,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683120641] [2025-03-09 02:11:09,534 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:11:09,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1439074397] [2025-03-09 02:11:09,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1439074397] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:11:09,534 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:11:09,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-03-09 02:11:09,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286952717] [2025-03-09 02:11:09,535 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:11:09,535 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-09 02:11:09,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:11:09,535 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-09 02:11:09,535 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2025-03-09 02:11:09,535 INFO L87 Difference]: Start difference. First operand 522 states and 669 transitions. Second operand has 8 states, 7 states have (on average 10.142857142857142) internal successors, (71), 7 states have internal predecessors, (71), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) [2025-03-09 02:11:09,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:11:09,884 INFO L93 Difference]: Finished difference Result 526 states and 669 transitions. [2025-03-09 02:11:09,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-09 02:11:09,884 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.142857142857142) internal successors, (71), 7 states have internal predecessors, (71), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) Word has length 102 [2025-03-09 02:11:09,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:11:09,886 INFO L225 Difference]: With dead ends: 526 [2025-03-09 02:11:09,886 INFO L226 Difference]: Without dead ends: 524 [2025-03-09 02:11:09,886 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2025-03-09 02:11:09,886 INFO L435 NwaCegarLoop]: 116 mSDtfsCounter, 216 mSDsluCounter, 472 mSDsCounter, 0 mSdLazyCounter, 632 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 221 SdHoareTripleChecker+Valid, 588 SdHoareTripleChecker+Invalid, 643 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 632 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-09 02:11:09,886 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [221 Valid, 588 Invalid, 643 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 632 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-09 02:11:09,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2025-03-09 02:11:09,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 522. [2025-03-09 02:11:09,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 522 states, 421 states have (on average 1.4133016627078385) internal successors, (595), 482 states have internal predecessors, (595), 34 states have call successors, (34), 6 states have call predecessors, (34), 6 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2025-03-09 02:11:09,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 663 transitions. [2025-03-09 02:11:09,903 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 663 transitions. Word has length 102 [2025-03-09 02:11:09,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:11:09,904 INFO L471 AbstractCegarLoop]: Abstraction has 522 states and 663 transitions. [2025-03-09 02:11:09,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.142857142857142) internal successors, (71), 7 states have internal predecessors, (71), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) [2025-03-09 02:11:09,904 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 663 transitions. [2025-03-09 02:11:09,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2025-03-09 02:11:09,904 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:11:09,905 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:11:09,919 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 02:11:10,105 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 02:11:10,105 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-09 02:11:10,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:11:10,106 INFO L85 PathProgramCache]: Analyzing trace with hash 1539624885, now seen corresponding path program 1 times [2025-03-09 02:11:10,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:11:10,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942193001] [2025-03-09 02:11:10,106 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:11:10,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:11:10,109 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-03-09 02:11:10,119 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-03-09 02:11:10,120 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:11:10,120 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:11:10,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [614785298] [2025-03-09 02:11:10,121 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:11:10,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:11:10,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:11:10,126 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 02:11:10,128 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 02:11:10,156 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-03-09 02:11:10,173 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-03-09 02:11:10,173 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:11:10,173 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:11:10,174 INFO L256 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-03-09 02:11:10,175 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:11:10,378 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-03-09 02:11:10,379 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:11:10,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:11:10,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942193001] [2025-03-09 02:11:10,497 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:11:10,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [614785298] [2025-03-09 02:11:10,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [614785298] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:11:10,497 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:11:10,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-03-09 02:11:10,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729686319] [2025-03-09 02:11:10,497 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:11:10,498 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-09 02:11:10,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:11:10,498 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-09 02:11:10,498 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2025-03-09 02:11:10,498 INFO L87 Difference]: Start difference. First operand 522 states and 663 transitions. Second operand has 9 states, 7 states have (on average 10.285714285714286) internal successors, (72), 8 states have internal predecessors, (72), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) [2025-03-09 02:11:10,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:11:10,924 INFO L93 Difference]: Finished difference Result 526 states and 663 transitions. [2025-03-09 02:11:10,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-09 02:11:10,924 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 10.285714285714286) internal successors, (72), 8 states have internal predecessors, (72), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) Word has length 103 [2025-03-09 02:11:10,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:11:10,926 INFO L225 Difference]: With dead ends: 526 [2025-03-09 02:11:10,926 INFO L226 Difference]: Without dead ends: 524 [2025-03-09 02:11:10,926 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2025-03-09 02:11:10,926 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 309 mSDsluCounter, 395 mSDsCounter, 0 mSdLazyCounter, 527 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 314 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 527 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-09 02:11:10,926 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [314 Valid, 486 Invalid, 546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 527 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-09 02:11:10,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2025-03-09 02:11:10,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 522. [2025-03-09 02:11:10,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 522 states, 421 states have (on average 1.4085510688836105) internal successors, (593), 482 states have internal predecessors, (593), 34 states have call successors, (34), 6 states have call predecessors, (34), 6 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2025-03-09 02:11:10,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 661 transitions. [2025-03-09 02:11:10,942 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 661 transitions. Word has length 103 [2025-03-09 02:11:10,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:11:10,942 INFO L471 AbstractCegarLoop]: Abstraction has 522 states and 661 transitions. [2025-03-09 02:11:10,942 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 10.285714285714286) internal successors, (72), 8 states have internal predecessors, (72), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) [2025-03-09 02:11:10,942 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 661 transitions. [2025-03-09 02:11:10,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2025-03-09 02:11:10,942 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:11:10,942 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:11:10,949 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 02:11:11,143 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 02:11:11,143 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-09 02:11:11,144 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:11:11,144 INFO L85 PathProgramCache]: Analyzing trace with hash 483731275, now seen corresponding path program 1 times [2025-03-09 02:11:11,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:11:11,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660484292] [2025-03-09 02:11:11,144 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:11:11,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:11:11,148 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-03-09 02:11:11,151 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-03-09 02:11:11,152 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:11:11,152 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:11:11,184 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-09 02:11:11,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:11:11,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660484292] [2025-03-09 02:11:11,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660484292] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:11:11,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:11:11,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-09 02:11:11,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061691727] [2025-03-09 02:11:11,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:11:11,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-09 02:11:11,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:11:11,185 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-09 02:11:11,185 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-09 02:11:11,185 INFO L87 Difference]: Start difference. First operand 522 states and 661 transitions. Second operand has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2025-03-09 02:11:11,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:11:11,471 INFO L93 Difference]: Finished difference Result 557 states and 664 transitions. [2025-03-09 02:11:11,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-09 02:11:11,472 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 104 [2025-03-09 02:11:11,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:11:11,473 INFO L225 Difference]: With dead ends: 557 [2025-03-09 02:11:11,473 INFO L226 Difference]: Without dead ends: 556 [2025-03-09 02:11:11,474 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-03-09 02:11:11,474 INFO L435 NwaCegarLoop]: 204 mSDtfsCounter, 135 mSDsluCounter, 388 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 592 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-09 02:11:11,474 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 592 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-09 02:11:11,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 556 states. [2025-03-09 02:11:11,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 556 to 522. [2025-03-09 02:11:11,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 522 states, 421 states have (on average 1.3990498812351544) internal successors, (589), 482 states have internal predecessors, (589), 34 states have call successors, (34), 6 states have call predecessors, (34), 6 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2025-03-09 02:11:11,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 657 transitions. [2025-03-09 02:11:11,499 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 657 transitions. Word has length 104 [2025-03-09 02:11:11,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:11:11,499 INFO L471 AbstractCegarLoop]: Abstraction has 522 states and 657 transitions. [2025-03-09 02:11:11,499 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2025-03-09 02:11:11,499 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 657 transitions. [2025-03-09 02:11:11,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2025-03-09 02:11:11,499 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:11:11,499 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:11:11,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2025-03-09 02:11:11,499 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-09 02:11:11,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:11:11,500 INFO L85 PathProgramCache]: Analyzing trace with hash 2110767731, now seen corresponding path program 1 times [2025-03-09 02:11:11,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:11:11,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450245223] [2025-03-09 02:11:11,500 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:11:11,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:11:11,504 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-03-09 02:11:11,510 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-03-09 02:11:11,510 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:11:11,510 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:11:11,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1816903297] [2025-03-09 02:11:11,511 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:11:11,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:11:11,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:11:11,513 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 02:11:11,514 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 02:11:11,539 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-03-09 02:11:11,559 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-03-09 02:11:11,559 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:11:11,559 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:11:11,560 INFO L256 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-03-09 02:11:11,561 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:11:11,701 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-09 02:11:11,701 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:11:11,839 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2025-03-09 02:11:11,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:11:11,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450245223] [2025-03-09 02:11:11,839 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:11:11,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1816903297] [2025-03-09 02:11:11,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1816903297] provided 1 perfect and 1 imperfect interpolant sequences [2025-03-09 02:11:11,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:11:11,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 10 [2025-03-09 02:11:11,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142715481] [2025-03-09 02:11:11,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:11:11,840 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-09 02:11:11,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:11:11,840 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-09 02:11:11,840 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2025-03-09 02:11:11,840 INFO L87 Difference]: Start difference. First operand 522 states and 657 transitions. Second operand has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 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 02:11:12,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:11:12,233 INFO L93 Difference]: Finished difference Result 529 states and 658 transitions. [2025-03-09 02:11:12,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-09 02:11:12,233 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 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 105 [2025-03-09 02:11:12,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:11:12,235 INFO L225 Difference]: With dead ends: 529 [2025-03-09 02:11:12,235 INFO L226 Difference]: Without dead ends: 528 [2025-03-09 02:11:12,235 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 198 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2025-03-09 02:11:12,237 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 250 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 329 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-09 02:11:12,237 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 319 Invalid, 344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 329 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-09 02:11:12,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2025-03-09 02:11:12,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 522. [2025-03-09 02:11:12,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 522 states, 421 states have (on average 1.3895486935866983) internal successors, (585), 482 states have internal predecessors, (585), 34 states have call successors, (34), 6 states have call predecessors, (34), 6 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2025-03-09 02:11:12,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 653 transitions. [2025-03-09 02:11:12,254 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 653 transitions. Word has length 105 [2025-03-09 02:11:12,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:11:12,254 INFO L471 AbstractCegarLoop]: Abstraction has 522 states and 653 transitions. [2025-03-09 02:11:12,254 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 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 02:11:12,254 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 653 transitions. [2025-03-09 02:11:12,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2025-03-09 02:11:12,254 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:11:12,254 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:11:12,260 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Ended with exit code 0 [2025-03-09 02:11:12,454 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:11:12,455 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-09 02:11:12,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:11:12,455 INFO L85 PathProgramCache]: Analyzing trace with hash -1903371401, now seen corresponding path program 1 times [2025-03-09 02:11:12,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:11:12,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804204543] [2025-03-09 02:11:12,455 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:11:12,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:11:12,459 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-03-09 02:11:12,462 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-03-09 02:11:12,462 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:11:12,462 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:11:12,515 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-09 02:11:12,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:11:12,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804204543] [2025-03-09 02:11:12,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1804204543] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:11:12,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2053601672] [2025-03-09 02:11:12,515 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:11:12,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:11:12,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:11:12,518 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 02:11:12,519 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 02:11:12,548 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-03-09 02:11:12,564 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-03-09 02:11:12,564 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:11:12,564 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:11:12,565 INFO L256 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-09 02:11:12,566 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:11:12,646 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-09 02:11:12,646 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:11:12,741 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-09 02:11:12,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2053601672] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:11:12,741 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 02:11:12,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 8] total 12 [2025-03-09 02:11:12,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567309308] [2025-03-09 02:11:12,741 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 02:11:12,741 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-09 02:11:12,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:11:12,742 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-09 02:11:12,742 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2025-03-09 02:11:12,742 INFO L87 Difference]: Start difference. First operand 522 states and 653 transitions. Second operand has 12 states, 12 states have (on average 11.916666666666666) internal successors, (143), 12 states have internal predecessors, (143), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2025-03-09 02:11:12,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:11:12,875 INFO L93 Difference]: Finished difference Result 874 states and 1064 transitions. [2025-03-09 02:11:12,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-09 02:11:12,876 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 11.916666666666666) internal successors, (143), 12 states have internal predecessors, (143), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 107 [2025-03-09 02:11:12,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:11:12,878 INFO L225 Difference]: With dead ends: 874 [2025-03-09 02:11:12,878 INFO L226 Difference]: Without dead ends: 666 [2025-03-09 02:11:12,878 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 208 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=121, Invalid=341, Unknown=0, NotChecked=0, Total=462 [2025-03-09 02:11:12,879 INFO L435 NwaCegarLoop]: 161 mSDtfsCounter, 147 mSDsluCounter, 957 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 1118 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:11:12,879 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 1118 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:11:12,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 666 states. [2025-03-09 02:11:12,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 666 to 589. [2025-03-09 02:11:12,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 589 states, 483 states have (on average 1.4202898550724639) internal successors, (686), 544 states have internal predecessors, (686), 38 states have call successors, (38), 7 states have call predecessors, (38), 7 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2025-03-09 02:11:12,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 589 states and 762 transitions. [2025-03-09 02:11:12,900 INFO L78 Accepts]: Start accepts. Automaton has 589 states and 762 transitions. Word has length 107 [2025-03-09 02:11:12,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:11:12,900 INFO L471 AbstractCegarLoop]: Abstraction has 589 states and 762 transitions. [2025-03-09 02:11:12,900 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 11.916666666666666) internal successors, (143), 12 states have internal predecessors, (143), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2025-03-09 02:11:12,901 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 762 transitions. [2025-03-09 02:11:12,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2025-03-09 02:11:12,901 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:11:12,901 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:11:12,907 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2025-03-09 02:11:13,101 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,SelfDestructingSolverStorable41 [2025-03-09 02:11:13,102 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-09 02:11:13,102 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:11:13,102 INFO L85 PathProgramCache]: Analyzing trace with hash 1125031283, now seen corresponding path program 1 times [2025-03-09 02:11:13,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:11:13,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751316227] [2025-03-09 02:11:13,102 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:11:13,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:11:13,106 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 108 statements into 1 equivalence classes. [2025-03-09 02:11:13,111 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 108 of 108 statements. [2025-03-09 02:11:13,111 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:11:13,111 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:11:13,179 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-03-09 02:11:13,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:11:13,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751316227] [2025-03-09 02:11:13,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751316227] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:11:13,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1404041358] [2025-03-09 02:11:13,180 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:11:13,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:11:13,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:11:13,182 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 02:11:13,183 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 02:11:13,214 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 108 statements into 1 equivalence classes. [2025-03-09 02:11:13,232 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 108 of 108 statements. [2025-03-09 02:11:13,232 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:11:13,232 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:11:13,233 INFO L256 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-09 02:11:13,234 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:11:13,299 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-03-09 02:11:13,299 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:11:13,403 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-03-09 02:11:13,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1404041358] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:11:13,403 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 02:11:13,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 9 [2025-03-09 02:11:13,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975105061] [2025-03-09 02:11:13,403 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 02:11:13,404 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-09 02:11:13,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:11:13,404 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-09 02:11:13,404 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2025-03-09 02:11:13,404 INFO L87 Difference]: Start difference. First operand 589 states and 762 transitions. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2025-03-09 02:11:14,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:11:14,009 INFO L93 Difference]: Finished difference Result 1225 states and 1514 transitions. [2025-03-09 02:11:14,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-09 02:11:14,010 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) Word has length 108 [2025-03-09 02:11:14,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:11:14,012 INFO L225 Difference]: With dead ends: 1225 [2025-03-09 02:11:14,012 INFO L226 Difference]: Without dead ends: 1185 [2025-03-09 02:11:14,013 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 211 SyntacticMatches, 4 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=231, Unknown=0, NotChecked=0, Total=306 [2025-03-09 02:11:14,013 INFO L435 NwaCegarLoop]: 164 mSDtfsCounter, 838 mSDsluCounter, 829 mSDsCounter, 0 mSdLazyCounter, 888 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 843 SdHoareTripleChecker+Valid, 993 SdHoareTripleChecker+Invalid, 924 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 888 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-09 02:11:14,013 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [843 Valid, 993 Invalid, 924 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 888 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-09 02:11:14,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1185 states. [2025-03-09 02:11:14,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1185 to 833. [2025-03-09 02:11:14,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 833 states, 711 states have (on average 1.5316455696202531) internal successors, (1089), 772 states have internal predecessors, (1089), 54 states have call successors, (54), 7 states have call predecessors, (54), 7 states have return successors, (54), 53 states have call predecessors, (54), 54 states have call successors, (54) [2025-03-09 02:11:14,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 833 states and 1197 transitions. [2025-03-09 02:11:14,039 INFO L78 Accepts]: Start accepts. Automaton has 833 states and 1197 transitions. Word has length 108 [2025-03-09 02:11:14,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:11:14,039 INFO L471 AbstractCegarLoop]: Abstraction has 833 states and 1197 transitions. [2025-03-09 02:11:14,039 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2025-03-09 02:11:14,039 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 1197 transitions. [2025-03-09 02:11:14,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2025-03-09 02:11:14,039 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:11:14,039 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:11:14,045 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 02:11:14,240 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:11:14,240 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-09 02:11:14,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:11:14,240 INFO L85 PathProgramCache]: Analyzing trace with hash -1330469414, now seen corresponding path program 1 times [2025-03-09 02:11:14,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:11:14,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059278007] [2025-03-09 02:11:14,240 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:11:14,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:11:14,244 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 114 statements into 1 equivalence classes. [2025-03-09 02:11:14,249 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 114 of 114 statements. [2025-03-09 02:11:14,249 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:11:14,249 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:11:14,371 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-03-09 02:11:14,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:11:14,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059278007] [2025-03-09 02:11:14,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059278007] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:11:14,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [732494217] [2025-03-09 02:11:14,371 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:11:14,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:11:14,371 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:11:14,373 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 02:11:14,374 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 02:11:14,400 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 114 statements into 1 equivalence classes. [2025-03-09 02:11:14,417 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 114 of 114 statements. [2025-03-09 02:11:14,417 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:11:14,417 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:11:14,418 INFO L256 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-09 02:11:14,419 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:11:14,520 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-09 02:11:14,520 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:11:14,659 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-09 02:11:14,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [732494217] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:11:14,660 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 02:11:14,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5, 5] total 19 [2025-03-09 02:11:14,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355448001] [2025-03-09 02:11:14,660 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 02:11:14,660 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-03-09 02:11:14,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:11:14,661 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-03-09 02:11:14,661 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2025-03-09 02:11:14,661 INFO L87 Difference]: Start difference. First operand 833 states and 1197 transitions. Second operand has 20 states, 19 states have (on average 12.052631578947368) internal successors, (229), 18 states have internal predecessors, (229), 8 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (24), 8 states have call predecessors, (24), 8 states have call successors, (24) [2025-03-09 02:11:21,806 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2025-03-09 02:11:23,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:11:23,014 INFO L93 Difference]: Finished difference Result 2757 states and 3481 transitions. [2025-03-09 02:11:23,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2025-03-09 02:11:23,014 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 12.052631578947368) internal successors, (229), 18 states have internal predecessors, (229), 8 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (24), 8 states have call predecessors, (24), 8 states have call successors, (24) Word has length 114 [2025-03-09 02:11:23,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:11:23,020 INFO L225 Difference]: With dead ends: 2757 [2025-03-09 02:11:23,021 INFO L226 Difference]: Without dead ends: 2756 [2025-03-09 02:11:23,023 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 310 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3073 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=1568, Invalid=6988, Unknown=0, NotChecked=0, Total=8556 [2025-03-09 02:11:23,023 INFO L435 NwaCegarLoop]: 156 mSDtfsCounter, 3793 mSDsluCounter, 1607 mSDsCounter, 0 mSdLazyCounter, 3646 mSolverCounterSat, 212 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3793 SdHoareTripleChecker+Valid, 1763 SdHoareTripleChecker+Invalid, 3859 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 212 IncrementalHoareTripleChecker+Valid, 3646 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2025-03-09 02:11:23,023 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3793 Valid, 1763 Invalid, 3859 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [212 Valid, 3646 Invalid, 1 Unknown, 0 Unchecked, 7.5s Time] [2025-03-09 02:11:23,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2756 states. [2025-03-09 02:11:23,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2756 to 1307. [2025-03-09 02:11:23,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1307 states, 1153 states have (on average 1.6261925411968776) internal successors, (1875), 1214 states have internal predecessors, (1875), 86 states have call successors, (86), 7 states have call predecessors, (86), 7 states have return successors, (86), 85 states have call predecessors, (86), 86 states have call successors, (86) [2025-03-09 02:11:23,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1307 states to 1307 states and 2047 transitions. [2025-03-09 02:11:23,084 INFO L78 Accepts]: Start accepts. Automaton has 1307 states and 2047 transitions. Word has length 114 [2025-03-09 02:11:23,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:11:23,084 INFO L471 AbstractCegarLoop]: Abstraction has 1307 states and 2047 transitions. [2025-03-09 02:11:23,084 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 12.052631578947368) internal successors, (229), 18 states have internal predecessors, (229), 8 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (24), 8 states have call predecessors, (24), 8 states have call successors, (24) [2025-03-09 02:11:23,084 INFO L276 IsEmpty]: Start isEmpty. Operand 1307 states and 2047 transitions. [2025-03-09 02:11:23,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2025-03-09 02:11:23,086 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:11:23,086 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:11:23,092 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2025-03-09 02:11:23,286 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,SelfDestructingSolverStorable43 [2025-03-09 02:11:23,286 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-09 02:11:23,287 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:11:23,287 INFO L85 PathProgramCache]: Analyzing trace with hash 1705121220, now seen corresponding path program 1 times [2025-03-09 02:11:23,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:11:23,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660700933] [2025-03-09 02:11:23,287 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:11:23,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:11:23,290 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 115 statements into 1 equivalence classes. [2025-03-09 02:11:23,296 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 115 of 115 statements. [2025-03-09 02:11:23,296 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:11:23,296 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:11:23,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1127850546] [2025-03-09 02:11:23,296 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:11:23,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:11:23,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:11:23,299 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 02:11:23,300 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 02:11:23,326 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 115 statements into 1 equivalence classes. [2025-03-09 02:11:23,341 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 115 of 115 statements. [2025-03-09 02:11:23,341 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:11:23,341 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:11:23,342 INFO L256 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-09 02:11:23,343 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:11:23,413 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-09 02:11:23,413 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:11:23,510 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-09 02:11:23,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:11:23,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660700933] [2025-03-09 02:11:23,511 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:11:23,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1127850546] [2025-03-09 02:11:23,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1127850546] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:11:23,511 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-09 02:11:23,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2025-03-09 02:11:23,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121834406] [2025-03-09 02:11:23,511 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-09 02:11:23,511 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-09 02:11:23,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:11:23,511 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-09 02:11:23,511 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2025-03-09 02:11:23,512 INFO L87 Difference]: Start difference. First operand 1307 states and 2047 transitions. Second operand has 10 states, 9 states have (on average 17.22222222222222) internal successors, (155), 10 states have internal predecessors, (155), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2025-03-09 02:11:23,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:11:23,996 INFO L93 Difference]: Finished difference Result 1885 states and 2908 transitions. [2025-03-09 02:11:23,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-09 02:11:23,997 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 17.22222222222222) internal successors, (155), 10 states have internal predecessors, (155), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 115 [2025-03-09 02:11:23,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:11:24,001 INFO L225 Difference]: With dead ends: 1885 [2025-03-09 02:11:24,001 INFO L226 Difference]: Without dead ends: 1884 [2025-03-09 02:11:24,002 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=96, Invalid=210, Unknown=0, NotChecked=0, Total=306 [2025-03-09 02:11:24,002 INFO L435 NwaCegarLoop]: 204 mSDtfsCounter, 1153 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 559 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1154 SdHoareTripleChecker+Valid, 560 SdHoareTripleChecker+Invalid, 615 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 559 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-09 02:11:24,002 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1154 Valid, 560 Invalid, 615 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 559 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-09 02:11:24,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1884 states. [2025-03-09 02:11:24,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1884 to 1543. [2025-03-09 02:11:24,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1543 states, 1373 states have (on average 1.6438455935906773) internal successors, (2257), 1434 states have internal predecessors, (2257), 102 states have call successors, (102), 7 states have call predecessors, (102), 7 states have return successors, (102), 101 states have call predecessors, (102), 102 states have call successors, (102) [2025-03-09 02:11:24,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1543 states to 1543 states and 2461 transitions. [2025-03-09 02:11:24,059 INFO L78 Accepts]: Start accepts. Automaton has 1543 states and 2461 transitions. Word has length 115 [2025-03-09 02:11:24,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:11:24,060 INFO L471 AbstractCegarLoop]: Abstraction has 1543 states and 2461 transitions. [2025-03-09 02:11:24,060 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 17.22222222222222) internal successors, (155), 10 states have internal predecessors, (155), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2025-03-09 02:11:24,060 INFO L276 IsEmpty]: Start isEmpty. Operand 1543 states and 2461 transitions. [2025-03-09 02:11:24,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2025-03-09 02:11:24,060 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:11:24,060 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:11:24,066 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2025-03-09 02:11:24,260 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 02:11:24,261 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-09 02:11:24,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:11:24,261 INFO L85 PathProgramCache]: Analyzing trace with hash -1657867850, now seen corresponding path program 1 times [2025-03-09 02:11:24,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:11:24,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906545232] [2025-03-09 02:11:24,261 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:11:24,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:11:24,265 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 121 statements into 1 equivalence classes. [2025-03-09 02:11:24,271 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 121 of 121 statements. [2025-03-09 02:11:24,271 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:11:24,271 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:11:24,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [524911724] [2025-03-09 02:11:24,271 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:11:24,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:11:24,271 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:11:24,273 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 02:11:24,274 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 02:11:24,304 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 121 statements into 1 equivalence classes. [2025-03-09 02:11:24,323 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 121 of 121 statements. [2025-03-09 02:11:24,323 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:11:24,323 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:11:24,324 INFO L256 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-03-09 02:11:24,326 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:11:24,727 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-03-09 02:11:24,728 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:11:24,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:11:24,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906545232] [2025-03-09 02:11:24,802 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:11:24,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [524911724] [2025-03-09 02:11:24,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [524911724] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:11:24,802 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:11:24,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2025-03-09 02:11:24,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342847085] [2025-03-09 02:11:24,802 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:11:24,803 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-09 02:11:24,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:11:24,803 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-09 02:11:24,803 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2025-03-09 02:11:24,803 INFO L87 Difference]: Start difference. First operand 1543 states and 2461 transitions. Second operand has 10 states, 8 states have (on average 10.625) internal successors, (85), 9 states have internal predecessors, (85), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2025-03-09 02:11:25,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:11:25,406 INFO L93 Difference]: Finished difference Result 1624 states and 2561 transitions. [2025-03-09 02:11:25,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-09 02:11:25,406 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 10.625) internal successors, (85), 9 states have internal predecessors, (85), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) Word has length 121 [2025-03-09 02:11:25,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:11:25,410 INFO L225 Difference]: With dead ends: 1624 [2025-03-09 02:11:25,411 INFO L226 Difference]: Without dead ends: 1623 [2025-03-09 02:11:25,411 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=260, Unknown=0, NotChecked=0, Total=342 [2025-03-09 02:11:25,411 INFO L435 NwaCegarLoop]: 105 mSDtfsCounter, 455 mSDsluCounter, 503 mSDsCounter, 0 mSdLazyCounter, 1029 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 460 SdHoareTripleChecker+Valid, 608 SdHoareTripleChecker+Invalid, 1054 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1029 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-09 02:11:25,411 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [460 Valid, 608 Invalid, 1054 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1029 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-09 02:11:25,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1623 states. [2025-03-09 02:11:25,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1623 to 1592. [2025-03-09 02:11:25,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1592 states, 1418 states have (on average 1.6488011283497885) internal successors, (2338), 1479 states have internal predecessors, (2338), 106 states have call successors, (106), 7 states have call predecessors, (106), 7 states have return successors, (106), 105 states have call predecessors, (106), 106 states have call successors, (106) [2025-03-09 02:11:25,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1592 states to 1592 states and 2550 transitions. [2025-03-09 02:11:25,468 INFO L78 Accepts]: Start accepts. Automaton has 1592 states and 2550 transitions. Word has length 121 [2025-03-09 02:11:25,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:11:25,468 INFO L471 AbstractCegarLoop]: Abstraction has 1592 states and 2550 transitions. [2025-03-09 02:11:25,469 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 10.625) internal successors, (85), 9 states have internal predecessors, (85), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2025-03-09 02:11:25,469 INFO L276 IsEmpty]: Start isEmpty. Operand 1592 states and 2550 transitions. [2025-03-09 02:11:25,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2025-03-09 02:11:25,469 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:11:25,469 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:11:25,475 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2025-03-09 02:11:25,673 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 02:11:25,674 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-09 02:11:25,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:11:25,674 INFO L85 PathProgramCache]: Analyzing trace with hash 145704291, now seen corresponding path program 1 times [2025-03-09 02:11:25,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:11:25,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966858060] [2025-03-09 02:11:25,675 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:11:25,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:11:25,679 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 122 statements into 1 equivalence classes. [2025-03-09 02:11:25,686 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 122 of 122 statements. [2025-03-09 02:11:25,687 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:11:25,687 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:11:25,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [781832188] [2025-03-09 02:11:25,687 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:11:25,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:11:25,687 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:11:25,691 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 02:11:25,692 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 02:11:25,722 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 122 statements into 1 equivalence classes. [2025-03-09 02:11:25,742 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 122 of 122 statements. [2025-03-09 02:11:25,742 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:11:25,742 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:11:25,743 INFO L256 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-03-09 02:11:25,744 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:11:26,086 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-03-09 02:11:26,086 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:11:26,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:11:26,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966858060] [2025-03-09 02:11:26,373 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:11:26,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [781832188] [2025-03-09 02:11:26,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [781832188] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:11:26,373 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:11:26,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2025-03-09 02:11:26,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016233533] [2025-03-09 02:11:26,374 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:11:26,374 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-09 02:11:26,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:11:26,374 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-09 02:11:26,374 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2025-03-09 02:11:26,374 INFO L87 Difference]: Start difference. First operand 1592 states and 2550 transitions. Second operand has 10 states, 8 states have (on average 10.75) internal successors, (86), 9 states have internal predecessors, (86), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2025-03-09 02:11:27,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:11:27,062 INFO L93 Difference]: Finished difference Result 1624 states and 2559 transitions. [2025-03-09 02:11:27,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-09 02:11:27,063 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 10.75) internal successors, (86), 9 states have internal predecessors, (86), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) Word has length 122 [2025-03-09 02:11:27,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:11:27,067 INFO L225 Difference]: With dead ends: 1624 [2025-03-09 02:11:27,067 INFO L226 Difference]: Without dead ends: 1623 [2025-03-09 02:11:27,067 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=82, Invalid=260, Unknown=0, NotChecked=0, Total=342 [2025-03-09 02:11:27,067 INFO L435 NwaCegarLoop]: 105 mSDtfsCounter, 554 mSDsluCounter, 484 mSDsCounter, 0 mSdLazyCounter, 1002 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 559 SdHoareTripleChecker+Valid, 589 SdHoareTripleChecker+Invalid, 1032 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1002 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-09 02:11:27,067 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [559 Valid, 589 Invalid, 1032 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1002 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-09 02:11:27,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1623 states. [2025-03-09 02:11:27,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1623 to 1592. [2025-03-09 02:11:27,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1592 states, 1418 states have (on average 1.6473906911142455) internal successors, (2336), 1479 states have internal predecessors, (2336), 106 states have call successors, (106), 7 states have call predecessors, (106), 7 states have return successors, (106), 105 states have call predecessors, (106), 106 states have call successors, (106) [2025-03-09 02:11:27,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1592 states to 1592 states and 2548 transitions. [2025-03-09 02:11:27,113 INFO L78 Accepts]: Start accepts. Automaton has 1592 states and 2548 transitions. Word has length 122 [2025-03-09 02:11:27,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:11:27,114 INFO L471 AbstractCegarLoop]: Abstraction has 1592 states and 2548 transitions. [2025-03-09 02:11:27,114 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 10.75) internal successors, (86), 9 states have internal predecessors, (86), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2025-03-09 02:11:27,114 INFO L276 IsEmpty]: Start isEmpty. Operand 1592 states and 2548 transitions. [2025-03-09 02:11:27,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2025-03-09 02:11:27,114 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:11:27,114 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 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 02:11:27,121 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Forceful destruction successful, exit code 0 [2025-03-09 02:11:27,319 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2025-03-09 02:11:27,319 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-09 02:11:27,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:11:27,319 INFO L85 PathProgramCache]: Analyzing trace with hash 221865812, now seen corresponding path program 1 times [2025-03-09 02:11:27,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:11:27,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396941505] [2025-03-09 02:11:27,319 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:11:27,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:11:27,324 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 123 statements into 1 equivalence classes. [2025-03-09 02:11:27,333 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 123 of 123 statements. [2025-03-09 02:11:27,333 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:11:27,333 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:11:27,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1163718851] [2025-03-09 02:11:27,334 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:11:27,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:11:27,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:11:27,337 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:11:27,338 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2025-03-09 02:11:27,365 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 123 statements into 1 equivalence classes. [2025-03-09 02:11:27,385 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 123 of 123 statements. [2025-03-09 02:11:27,385 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:11:27,385 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:11:27,387 INFO L256 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-09 02:11:27,389 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:11:27,685 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-03-09 02:11:27,685 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:11:27,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:11:27,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396941505] [2025-03-09 02:11:27,747 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:11:27,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1163718851] [2025-03-09 02:11:27,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1163718851] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:11:27,747 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:11:27,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-03-09 02:11:27,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389272913] [2025-03-09 02:11:27,747 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:11:27,748 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-09 02:11:27,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:11:27,748 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-09 02:11:27,748 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2025-03-09 02:11:27,748 INFO L87 Difference]: Start difference. First operand 1592 states and 2548 transitions. Second operand has 8 states, 6 states have (on average 14.5) internal successors, (87), 7 states have internal predecessors, (87), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) [2025-03-09 02:11:28,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:11:28,048 INFO L93 Difference]: Finished difference Result 1747 states and 2767 transitions. [2025-03-09 02:11:28,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-09 02:11:28,049 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 14.5) internal successors, (87), 7 states have internal predecessors, (87), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) Word has length 123 [2025-03-09 02:11:28,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:11:28,054 INFO L225 Difference]: With dead ends: 1747 [2025-03-09 02:11:28,054 INFO L226 Difference]: Without dead ends: 1745 [2025-03-09 02:11:28,055 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2025-03-09 02:11:28,055 INFO L435 NwaCegarLoop]: 99 mSDtfsCounter, 512 mSDsluCounter, 367 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 521 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:11:28,055 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [521 Valid, 466 Invalid, 370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 350 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:11:28,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1745 states. [2025-03-09 02:11:28,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1745 to 1704. [2025-03-09 02:11:28,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1704 states, 1521 states have (on average 1.6554898093359631) internal successors, (2518), 1582 states have internal predecessors, (2518), 115 states have call successors, (115), 7 states have call predecessors, (115), 7 states have return successors, (115), 114 states have call predecessors, (115), 115 states have call successors, (115) [2025-03-09 02:11:28,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1704 states to 1704 states and 2748 transitions. [2025-03-09 02:11:28,113 INFO L78 Accepts]: Start accepts. Automaton has 1704 states and 2748 transitions. Word has length 123 [2025-03-09 02:11:28,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:11:28,113 INFO L471 AbstractCegarLoop]: Abstraction has 1704 states and 2748 transitions. [2025-03-09 02:11:28,113 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 14.5) internal successors, (87), 7 states have internal predecessors, (87), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) [2025-03-09 02:11:28,113 INFO L276 IsEmpty]: Start isEmpty. Operand 1704 states and 2748 transitions. [2025-03-09 02:11:28,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2025-03-09 02:11:28,114 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:11:28,114 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:11:28,120 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Forceful destruction successful, exit code 0 [2025-03-09 02:11:28,318 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2025-03-09 02:11:28,318 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-09 02:11:28,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:11:28,318 INFO L85 PathProgramCache]: Analyzing trace with hash -1712094335, now seen corresponding path program 1 times [2025-03-09 02:11:28,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:11:28,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381511980] [2025-03-09 02:11:28,318 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:11:28,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:11:28,322 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 124 statements into 1 equivalence classes. [2025-03-09 02:11:28,329 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 124 of 124 statements. [2025-03-09 02:11:28,329 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:11:28,329 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:11:28,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [72294274] [2025-03-09 02:11:28,329 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:11:28,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:11:28,329 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:11:28,333 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:11:28,334 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2025-03-09 02:11:28,363 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 124 statements into 1 equivalence classes. [2025-03-09 02:11:28,384 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 124 of 124 statements. [2025-03-09 02:11:28,384 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:11:28,384 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:11:28,387 INFO L256 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-09 02:11:28,388 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:11:28,636 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-03-09 02:11:28,637 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:11:28,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:11:28,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381511980] [2025-03-09 02:11:28,886 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:11:28,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [72294274] [2025-03-09 02:11:28,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [72294274] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:11:28,886 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:11:28,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-03-09 02:11:28,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440895938] [2025-03-09 02:11:28,886 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:11:28,886 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-09 02:11:28,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:11:28,887 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-09 02:11:28,887 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2025-03-09 02:11:28,887 INFO L87 Difference]: Start difference. First operand 1704 states and 2748 transitions. Second operand has 8 states, 6 states have (on average 14.666666666666666) internal successors, (88), 7 states have internal predecessors, (88), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) [2025-03-09 02:11:29,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:11:29,193 INFO L93 Difference]: Finished difference Result 1747 states and 2761 transitions. [2025-03-09 02:11:29,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-09 02:11:29,197 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 14.666666666666666) internal successors, (88), 7 states have internal predecessors, (88), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) Word has length 124 [2025-03-09 02:11:29,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:11:29,203 INFO L225 Difference]: With dead ends: 1747 [2025-03-09 02:11:29,203 INFO L226 Difference]: Without dead ends: 1745 [2025-03-09 02:11:29,204 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2025-03-09 02:11:29,204 INFO L435 NwaCegarLoop]: 144 mSDtfsCounter, 406 mSDsluCounter, 445 mSDsCounter, 0 mSdLazyCounter, 389 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 415 SdHoareTripleChecker+Valid, 589 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-09 02:11:29,204 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [415 Valid, 589 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 389 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-09 02:11:29,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1745 states. [2025-03-09 02:11:29,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1745 to 1705. [2025-03-09 02:11:29,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1705 states, 1522 states have (on average 1.6517739816031538) internal successors, (2514), 1583 states have internal predecessors, (2514), 115 states have call successors, (115), 7 states have call predecessors, (115), 7 states have return successors, (115), 114 states have call predecessors, (115), 115 states have call successors, (115) [2025-03-09 02:11:29,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1705 states to 1705 states and 2744 transitions. [2025-03-09 02:11:29,265 INFO L78 Accepts]: Start accepts. Automaton has 1705 states and 2744 transitions. Word has length 124 [2025-03-09 02:11:29,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:11:29,265 INFO L471 AbstractCegarLoop]: Abstraction has 1705 states and 2744 transitions. [2025-03-09 02:11:29,265 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 14.666666666666666) internal successors, (88), 7 states have internal predecessors, (88), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) [2025-03-09 02:11:29,265 INFO L276 IsEmpty]: Start isEmpty. Operand 1705 states and 2744 transitions. [2025-03-09 02:11:29,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2025-03-09 02:11:29,266 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:11:29,266 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:11:29,272 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Forceful destruction successful, exit code 0 [2025-03-09 02:11:29,471 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2025-03-09 02:11:29,471 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-09 02:11:29,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:11:29,471 INFO L85 PathProgramCache]: Analyzing trace with hash -1535316750, now seen corresponding path program 1 times [2025-03-09 02:11:29,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:11:29,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008637411] [2025-03-09 02:11:29,471 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:11:29,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:11:29,476 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 125 statements into 1 equivalence classes. [2025-03-09 02:11:29,483 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 125 of 125 statements. [2025-03-09 02:11:29,483 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:11:29,483 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:11:29,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1127987596] [2025-03-09 02:11:29,483 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:11:29,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:11:29,484 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:11:29,487 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:11:29,488 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2025-03-09 02:11:29,515 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 125 statements into 1 equivalence classes. [2025-03-09 02:11:29,536 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 125 of 125 statements. [2025-03-09 02:11:29,536 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:11:29,536 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:11:29,537 INFO L256 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-03-09 02:11:29,541 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:11:30,051 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-03-09 02:11:30,051 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:11:30,336 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-03-09 02:11:30,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:11:30,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008637411] [2025-03-09 02:11:30,336 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:11:30,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1127987596] [2025-03-09 02:11:30,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1127987596] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:11:30,336 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-09 02:11:30,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2025-03-09 02:11:30,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334179773] [2025-03-09 02:11:30,336 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-09 02:11:30,336 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-03-09 02:11:30,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:11:30,337 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-03-09 02:11:30,337 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=219, Unknown=0, NotChecked=0, Total=272 [2025-03-09 02:11:30,337 INFO L87 Difference]: Start difference. First operand 1705 states and 2744 transitions. Second operand has 17 states, 16 states have (on average 10.5625) internal successors, (169), 15 states have internal predecessors, (169), 9 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (18), 8 states have call predecessors, (18), 9 states have call successors, (18) [2025-03-09 02:11:32,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:11:32,570 INFO L93 Difference]: Finished difference Result 2073 states and 3255 transitions. [2025-03-09 02:11:32,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-03-09 02:11:32,571 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 10.5625) internal successors, (169), 15 states have internal predecessors, (169), 9 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (18), 8 states have call predecessors, (18), 9 states have call successors, (18) Word has length 125 [2025-03-09 02:11:32,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:11:32,575 INFO L225 Difference]: With dead ends: 2073 [2025-03-09 02:11:32,575 INFO L226 Difference]: Without dead ends: 2068 [2025-03-09 02:11:32,575 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=213, Invalid=779, Unknown=0, NotChecked=0, Total=992 [2025-03-09 02:11:32,576 INFO L435 NwaCegarLoop]: 92 mSDtfsCounter, 1060 mSDsluCounter, 425 mSDsCounter, 0 mSdLazyCounter, 1357 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1062 SdHoareTripleChecker+Valid, 517 SdHoareTripleChecker+Invalid, 1480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 1357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2025-03-09 02:11:32,576 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1062 Valid, 517 Invalid, 1480 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 1357 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2025-03-09 02:11:32,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2068 states. [2025-03-09 02:11:32,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2068 to 2025. [2025-03-09 02:11:32,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2025 states, 1830 states have (on average 1.6169398907103825) internal successors, (2959), 1891 states have internal predecessors, (2959), 127 states have call successors, (127), 7 states have call predecessors, (127), 7 states have return successors, (127), 126 states have call predecessors, (127), 127 states have call successors, (127) [2025-03-09 02:11:32,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2025 states to 2025 states and 3213 transitions. [2025-03-09 02:11:32,638 INFO L78 Accepts]: Start accepts. Automaton has 2025 states and 3213 transitions. Word has length 125 [2025-03-09 02:11:32,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:11:32,639 INFO L471 AbstractCegarLoop]: Abstraction has 2025 states and 3213 transitions. [2025-03-09 02:11:32,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 10.5625) internal successors, (169), 15 states have internal predecessors, (169), 9 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (18), 8 states have call predecessors, (18), 9 states have call successors, (18) [2025-03-09 02:11:32,639 INFO L276 IsEmpty]: Start isEmpty. Operand 2025 states and 3213 transitions. [2025-03-09 02:11:32,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2025-03-09 02:11:32,639 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:11:32,639 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:11:32,645 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Forceful destruction successful, exit code 0 [2025-03-09 02:11:32,841 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2025-03-09 02:11:32,841 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-09 02:11:32,841 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:11:32,841 INFO L85 PathProgramCache]: Analyzing trace with hash -350178913, now seen corresponding path program 1 times [2025-03-09 02:11:32,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:11:32,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26594068] [2025-03-09 02:11:32,841 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:11:32,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:11:32,846 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 126 statements into 1 equivalence classes. [2025-03-09 02:11:32,855 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 126 of 126 statements. [2025-03-09 02:11:32,855 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:11:32,855 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:11:32,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [269058921] [2025-03-09 02:11:32,856 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:11:32,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:11:32,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:11:32,858 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:11:32,859 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2025-03-09 02:11:32,885 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 126 statements into 1 equivalence classes. [2025-03-09 02:11:32,904 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 126 of 126 statements. [2025-03-09 02:11:32,904 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:11:32,904 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:11:32,905 INFO L256 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-03-09 02:11:32,906 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:11:33,148 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-03-09 02:11:33,148 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:11:33,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:11:33,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26594068] [2025-03-09 02:11:33,188 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:11:33,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [269058921] [2025-03-09 02:11:33,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [269058921] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:11:33,188 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:11:33,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-03-09 02:11:33,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561244670] [2025-03-09 02:11:33,188 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:11:33,188 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-09 02:11:33,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:11:33,189 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-09 02:11:33,189 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2025-03-09 02:11:33,189 INFO L87 Difference]: Start difference. First operand 2025 states and 3213 transitions. Second operand has 6 states, 5 states have (on average 17.4) internal successors, (87), 6 states have internal predecessors, (87), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2025-03-09 02:11:33,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:11:33,601 INFO L93 Difference]: Finished difference Result 2065 states and 3223 transitions. [2025-03-09 02:11:33,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-09 02:11:33,602 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.4) internal successors, (87), 6 states have internal predecessors, (87), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 126 [2025-03-09 02:11:33,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:11:33,608 INFO L225 Difference]: With dead ends: 2065 [2025-03-09 02:11:33,608 INFO L226 Difference]: Without dead ends: 2058 [2025-03-09 02:11:33,608 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2025-03-09 02:11:33,608 INFO L435 NwaCegarLoop]: 128 mSDtfsCounter, 270 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 435 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 279 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 435 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-09 02:11:33,609 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [279 Valid, 361 Invalid, 442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 435 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-09 02:11:33,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2058 states. [2025-03-09 02:11:33,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2058 to 2026. [2025-03-09 02:11:33,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2026 states, 1831 states have (on average 1.6122337520480612) internal successors, (2952), 1892 states have internal predecessors, (2952), 127 states have call successors, (127), 7 states have call predecessors, (127), 7 states have return successors, (127), 126 states have call predecessors, (127), 127 states have call successors, (127) [2025-03-09 02:11:33,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2026 states to 2026 states and 3206 transitions. [2025-03-09 02:11:33,682 INFO L78 Accepts]: Start accepts. Automaton has 2026 states and 3206 transitions. Word has length 126 [2025-03-09 02:11:33,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:11:33,682 INFO L471 AbstractCegarLoop]: Abstraction has 2026 states and 3206 transitions. [2025-03-09 02:11:33,682 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.4) internal successors, (87), 6 states have internal predecessors, (87), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2025-03-09 02:11:33,682 INFO L276 IsEmpty]: Start isEmpty. Operand 2026 states and 3206 transitions. [2025-03-09 02:11:33,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2025-03-09 02:11:33,683 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:11:33,683 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, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:11:33,689 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Ended with exit code 0 [2025-03-09 02:11:33,883 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,43 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:11:33,883 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-09 02:11:33,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:11:33,884 INFO L85 PathProgramCache]: Analyzing trace with hash 798510024, now seen corresponding path program 1 times [2025-03-09 02:11:33,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:11:33,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087755364] [2025-03-09 02:11:33,884 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:11:33,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:11:33,888 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 132 statements into 1 equivalence classes. [2025-03-09 02:11:33,892 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 132 of 132 statements. [2025-03-09 02:11:33,892 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:11:33,892 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:11:33,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [168145205] [2025-03-09 02:11:33,893 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:11:33,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:11:33,893 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:11:33,895 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:11:33,896 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2025-03-09 02:11:33,924 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 132 statements into 1 equivalence classes. [2025-03-09 02:11:33,945 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 132 of 132 statements. [2025-03-09 02:11:33,946 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:11:33,946 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:11:33,947 INFO L256 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-03-09 02:11:33,948 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:11:34,270 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2025-03-09 02:11:34,270 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:11:40,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:11:40,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087755364] [2025-03-09 02:11:40,342 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:11:40,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [168145205] [2025-03-09 02:11:40,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [168145205] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:11:40,342 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:11:40,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-03-09 02:11:40,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180732113] [2025-03-09 02:11:40,342 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:11:40,343 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-09 02:11:40,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:11:40,343 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-09 02:11:40,343 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=97, Unknown=1, NotChecked=0, Total=132 [2025-03-09 02:11:40,343 INFO L87 Difference]: Start difference. First operand 2026 states and 3206 transitions. Second operand has 9 states, 7 states have (on average 13.0) internal successors, (91), 8 states have internal predecessors, (91), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) [2025-03-09 02:11:40,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:11:40,640 INFO L93 Difference]: Finished difference Result 2075 states and 3238 transitions. [2025-03-09 02:11:40,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-09 02:11:40,641 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 13.0) internal successors, (91), 8 states have internal predecessors, (91), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) Word has length 132 [2025-03-09 02:11:40,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:11:40,644 INFO L225 Difference]: With dead ends: 2075 [2025-03-09 02:11:40,644 INFO L226 Difference]: Without dead ends: 2072 [2025-03-09 02:11:40,644 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=34, Invalid=97, Unknown=1, NotChecked=0, Total=132 [2025-03-09 02:11:40,645 INFO L435 NwaCegarLoop]: 132 mSDtfsCounter, 393 mSDsluCounter, 508 mSDsCounter, 0 mSdLazyCounter, 541 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 401 SdHoareTripleChecker+Valid, 640 SdHoareTripleChecker+Invalid, 551 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 541 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:11:40,645 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [401 Valid, 640 Invalid, 551 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 541 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:11:40,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2072 states. [2025-03-09 02:11:40,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2072 to 2026. [2025-03-09 02:11:40,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2026 states, 1831 states have (on average 1.6056799563080284) internal successors, (2940), 1892 states have internal predecessors, (2940), 127 states have call successors, (127), 7 states have call predecessors, (127), 7 states have return successors, (127), 126 states have call predecessors, (127), 127 states have call successors, (127) [2025-03-09 02:11:40,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2026 states to 2026 states and 3194 transitions. [2025-03-09 02:11:40,708 INFO L78 Accepts]: Start accepts. Automaton has 2026 states and 3194 transitions. Word has length 132 [2025-03-09 02:11:40,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:11:40,708 INFO L471 AbstractCegarLoop]: Abstraction has 2026 states and 3194 transitions. [2025-03-09 02:11:40,708 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 13.0) internal successors, (91), 8 states have internal predecessors, (91), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) [2025-03-09 02:11:40,708 INFO L276 IsEmpty]: Start isEmpty. Operand 2026 states and 3194 transitions. [2025-03-09 02:11:40,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2025-03-09 02:11:40,709 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:11:40,709 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, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:11:40,719 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Forceful destruction successful, exit code 0 [2025-03-09 02:11:40,909 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable51 [2025-03-09 02:11:40,910 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-09 02:11:40,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:11:40,910 INFO L85 PathProgramCache]: Analyzing trace with hash -1015992956, now seen corresponding path program 1 times [2025-03-09 02:11:40,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:11:40,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034913135] [2025-03-09 02:11:40,910 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:11:40,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:11:40,914 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 133 statements into 1 equivalence classes. [2025-03-09 02:11:40,923 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 133 of 133 statements. [2025-03-09 02:11:40,923 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:11:40,923 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:11:40,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2134048680] [2025-03-09 02:11:40,923 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:11:40,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:11:40,924 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:11:40,925 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:11:40,927 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2025-03-09 02:11:40,956 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 133 statements into 1 equivalence classes. [2025-03-09 02:11:40,977 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 133 of 133 statements. [2025-03-09 02:11:40,977 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:11:40,977 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:11:40,978 INFO L256 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-03-09 02:11:40,979 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:11:41,308 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2025-03-09 02:11:41,308 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:11:45,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:11:45,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034913135] [2025-03-09 02:11:45,649 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:11:45,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2134048680] [2025-03-09 02:11:45,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2134048680] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:11:45,649 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:11:45,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-03-09 02:11:45,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942801978] [2025-03-09 02:11:45,649 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:11:45,650 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-09 02:11:45,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:11:45,650 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-09 02:11:45,650 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=95, Unknown=1, NotChecked=0, Total=132 [2025-03-09 02:11:45,650 INFO L87 Difference]: Start difference. First operand 2026 states and 3194 transitions. Second operand has 9 states, 7 states have (on average 13.142857142857142) internal successors, (92), 8 states have internal predecessors, (92), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) [2025-03-09 02:11:46,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:11:46,017 INFO L93 Difference]: Finished difference Result 2075 states and 3226 transitions. [2025-03-09 02:11:46,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-09 02:11:46,018 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 13.142857142857142) internal successors, (92), 8 states have internal predecessors, (92), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) Word has length 133 [2025-03-09 02:11:46,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:11:46,021 INFO L225 Difference]: With dead ends: 2075 [2025-03-09 02:11:46,021 INFO L226 Difference]: Without dead ends: 2072 [2025-03-09 02:11:46,022 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=46, Invalid=109, Unknown=1, NotChecked=0, Total=156 [2025-03-09 02:11:46,022 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 276 mSDsluCounter, 401 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 284 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-09 02:11:46,022 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [284 Valid, 492 Invalid, 453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 447 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-09 02:11:46,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2072 states. [2025-03-09 02:11:46,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2072 to 2026. [2025-03-09 02:11:46,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2026 states, 1831 states have (on average 1.5991261605679956) internal successors, (2928), 1892 states have internal predecessors, (2928), 127 states have call successors, (127), 7 states have call predecessors, (127), 7 states have return successors, (127), 126 states have call predecessors, (127), 127 states have call successors, (127) [2025-03-09 02:11:46,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2026 states to 2026 states and 3182 transitions. [2025-03-09 02:11:46,086 INFO L78 Accepts]: Start accepts. Automaton has 2026 states and 3182 transitions. Word has length 133 [2025-03-09 02:11:46,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:11:46,086 INFO L471 AbstractCegarLoop]: Abstraction has 2026 states and 3182 transitions. [2025-03-09 02:11:46,086 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 13.142857142857142) internal successors, (92), 8 states have internal predecessors, (92), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) [2025-03-09 02:11:46,086 INFO L276 IsEmpty]: Start isEmpty. Operand 2026 states and 3182 transitions. [2025-03-09 02:11:46,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2025-03-09 02:11:46,087 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:11:46,087 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, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:11:46,093 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Forceful destruction successful, exit code 0 [2025-03-09 02:11:46,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,45 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:11:46,291 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-09 02:11:46,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:11:46,291 INFO L85 PathProgramCache]: Analyzing trace with hash -1431010490, now seen corresponding path program 1 times [2025-03-09 02:11:46,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:11:46,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524275441] [2025-03-09 02:11:46,291 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:11:46,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:11:46,295 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 134 statements into 1 equivalence classes. [2025-03-09 02:11:46,300 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 134 of 134 statements. [2025-03-09 02:11:46,300 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:11:46,300 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:11:46,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [629973074] [2025-03-09 02:11:46,301 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:11:46,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:11:46,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:11:46,303 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:11:46,304 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2025-03-09 02:11:46,332 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 134 statements into 1 equivalence classes. [2025-03-09 02:11:46,354 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 134 of 134 statements. [2025-03-09 02:11:46,354 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:11:46,354 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:11:46,355 INFO L256 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-03-09 02:11:46,357 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:11:46,816 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2025-03-09 02:11:46,817 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:11:54,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:11:54,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524275441] [2025-03-09 02:11:54,991 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:11:54,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [629973074] [2025-03-09 02:11:54,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [629973074] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:11:54,991 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:11:54,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2025-03-09 02:11:54,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793381357] [2025-03-09 02:11:54,991 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:11:54,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-09 02:11:54,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:11:54,991 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-09 02:11:54,991 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=169, Unknown=2, NotChecked=0, Total=210 [2025-03-09 02:11:54,991 INFO L87 Difference]: Start difference. First operand 2026 states and 3182 transitions. Second operand has 11 states, 9 states have (on average 10.333333333333334) internal successors, (93), 10 states have internal predecessors, (93), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) [2025-03-09 02:11:55,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:11:55,744 INFO L93 Difference]: Finished difference Result 2050 states and 3199 transitions. [2025-03-09 02:11:55,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-09 02:11:55,745 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 10.333333333333334) internal successors, (93), 10 states have internal predecessors, (93), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) Word has length 134 [2025-03-09 02:11:55,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:11:55,748 INFO L225 Difference]: With dead ends: 2050 [2025-03-09 02:11:55,748 INFO L226 Difference]: Without dead ends: 2049 [2025-03-09 02:11:55,749 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 8.2s TimeCoverageRelationStatistics Valid=83, Invalid=335, Unknown=2, NotChecked=0, Total=420 [2025-03-09 02:11:55,749 INFO L435 NwaCegarLoop]: 98 mSDtfsCounter, 437 mSDsluCounter, 437 mSDsCounter, 0 mSdLazyCounter, 1262 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 442 SdHoareTripleChecker+Valid, 535 SdHoareTripleChecker+Invalid, 1286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 1262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-09 02:11:55,749 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [442 Valid, 535 Invalid, 1286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 1262 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-09 02:11:55,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2049 states. [2025-03-09 02:11:55,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2049 to 2026. [2025-03-09 02:11:55,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2026 states, 1831 states have (on average 1.5985800109229928) internal successors, (2927), 1892 states have internal predecessors, (2927), 127 states have call successors, (127), 7 states have call predecessors, (127), 7 states have return successors, (127), 126 states have call predecessors, (127), 127 states have call successors, (127) [2025-03-09 02:11:55,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2026 states to 2026 states and 3181 transitions. [2025-03-09 02:11:55,826 INFO L78 Accepts]: Start accepts. Automaton has 2026 states and 3181 transitions. Word has length 134 [2025-03-09 02:11:55,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:11:55,827 INFO L471 AbstractCegarLoop]: Abstraction has 2026 states and 3181 transitions. [2025-03-09 02:11:55,827 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 10.333333333333334) internal successors, (93), 10 states have internal predecessors, (93), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) [2025-03-09 02:11:55,827 INFO L276 IsEmpty]: Start isEmpty. Operand 2026 states and 3181 transitions. [2025-03-09 02:11:55,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2025-03-09 02:11:55,827 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:11:55,827 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:11:55,833 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Forceful destruction successful, exit code 0 [2025-03-09 02:11:56,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable53 [2025-03-09 02:11:56,028 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-09 02:11:56,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:11:56,028 INFO L85 PathProgramCache]: Analyzing trace with hash -1411652158, now seen corresponding path program 1 times [2025-03-09 02:11:56,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:11:56,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484073950] [2025-03-09 02:11:56,028 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:11:56,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:11:56,032 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 135 statements into 1 equivalence classes. [2025-03-09 02:11:56,039 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 135 of 135 statements. [2025-03-09 02:11:56,039 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:11:56,039 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:11:56,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1150526893] [2025-03-09 02:11:56,040 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:11:56,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:11:56,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:11:56,041 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:11:56,043 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Waiting until timeout for monitored process [2025-03-09 02:11:56,072 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 135 statements into 1 equivalence classes. [2025-03-09 02:11:56,092 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 135 of 135 statements. [2025-03-09 02:11:56,092 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:11:56,092 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:11:56,093 INFO L256 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-03-09 02:11:56,095 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:11:56,526 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2025-03-09 02:11:56,526 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:11:56,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:11:56,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484073950] [2025-03-09 02:11:56,987 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:11:56,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1150526893] [2025-03-09 02:11:56,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1150526893] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:11:56,987 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:11:56,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2025-03-09 02:11:56,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040348735] [2025-03-09 02:11:56,987 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:11:56,987 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-09 02:11:56,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:11:56,988 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-09 02:11:56,988 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2025-03-09 02:11:56,988 INFO L87 Difference]: Start difference. First operand 2026 states and 3181 transitions. Second operand has 11 states, 9 states have (on average 10.444444444444445) internal successors, (94), 10 states have internal predecessors, (94), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) [2025-03-09 02:11:57,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:11:57,777 INFO L93 Difference]: Finished difference Result 2051 states and 3198 transitions. [2025-03-09 02:11:57,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-09 02:11:57,777 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 10.444444444444445) internal successors, (94), 10 states have internal predecessors, (94), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) Word has length 135 [2025-03-09 02:11:57,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:11:57,780 INFO L225 Difference]: With dead ends: 2051 [2025-03-09 02:11:57,780 INFO L226 Difference]: Without dead ends: 2049 [2025-03-09 02:11:57,780 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=83, Invalid=337, Unknown=0, NotChecked=0, Total=420 [2025-03-09 02:11:57,781 INFO L435 NwaCegarLoop]: 98 mSDtfsCounter, 540 mSDsluCounter, 437 mSDsCounter, 0 mSdLazyCounter, 1262 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 545 SdHoareTripleChecker+Valid, 535 SdHoareTripleChecker+Invalid, 1292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-09 02:11:57,781 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [545 Valid, 535 Invalid, 1292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1262 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-09 02:11:57,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2049 states. [2025-03-09 02:11:57,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2049 to 2026. [2025-03-09 02:11:57,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2026 states, 1831 states have (on average 1.596395412342982) internal successors, (2923), 1892 states have internal predecessors, (2923), 127 states have call successors, (127), 7 states have call predecessors, (127), 7 states have return successors, (127), 126 states have call predecessors, (127), 127 states have call successors, (127) [2025-03-09 02:11:57,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2026 states to 2026 states and 3177 transitions. [2025-03-09 02:11:57,844 INFO L78 Accepts]: Start accepts. Automaton has 2026 states and 3177 transitions. Word has length 135 [2025-03-09 02:11:57,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:11:57,844 INFO L471 AbstractCegarLoop]: Abstraction has 2026 states and 3177 transitions. [2025-03-09 02:11:57,844 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 10.444444444444445) internal successors, (94), 10 states have internal predecessors, (94), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) [2025-03-09 02:11:57,844 INFO L276 IsEmpty]: Start isEmpty. Operand 2026 states and 3177 transitions. [2025-03-09 02:11:57,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2025-03-09 02:11:57,845 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:11:57,845 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:11:57,852 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Ended with exit code 0 [2025-03-09 02:11:58,045 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54,47 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:11:58,045 INFO L396 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-09 02:11:58,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:11:58,046 INFO L85 PathProgramCache]: Analyzing trace with hash -811543868, now seen corresponding path program 1 times [2025-03-09 02:11:58,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:11:58,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000174067] [2025-03-09 02:11:58,046 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:11:58,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:11:58,050 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 136 statements into 1 equivalence classes. [2025-03-09 02:11:58,054 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 136 of 136 statements. [2025-03-09 02:11:58,054 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:11:58,054 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:11:58,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [121828040] [2025-03-09 02:11:58,055 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:11:58,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:11:58,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:11:58,057 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:11:58,058 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Waiting until timeout for monitored process [2025-03-09 02:11:58,088 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 136 statements into 1 equivalence classes. [2025-03-09 02:11:58,110 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 136 of 136 statements. [2025-03-09 02:11:58,110 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:11:58,111 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:11:58,112 INFO L256 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 30 conjuncts are in the unsatisfiable core [2025-03-09 02:11:58,113 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:11:58,635 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2025-03-09 02:11:58,636 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:11:58,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:11:58,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000174067] [2025-03-09 02:11:58,808 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:11:58,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [121828040] [2025-03-09 02:11:58,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [121828040] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:11:58,808 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:11:58,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2025-03-09 02:11:58,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881841982] [2025-03-09 02:11:58,809 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:11:58,809 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-09 02:11:58,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:11:58,809 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-09 02:11:58,809 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2025-03-09 02:11:58,809 INFO L87 Difference]: Start difference. First operand 2026 states and 3177 transitions. Second operand has 10 states, 9 states have (on average 10.555555555555555) internal successors, (95), 9 states have internal predecessors, (95), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) [2025-03-09 02:11:59,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:11:59,388 INFO L93 Difference]: Finished difference Result 2046 states and 3186 transitions. [2025-03-09 02:11:59,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-09 02:11:59,388 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 10.555555555555555) internal successors, (95), 9 states have internal predecessors, (95), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) Word has length 136 [2025-03-09 02:11:59,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:11:59,391 INFO L225 Difference]: With dead ends: 2046 [2025-03-09 02:11:59,391 INFO L226 Difference]: Without dead ends: 2043 [2025-03-09 02:11:59,392 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2025-03-09 02:11:59,392 INFO L435 NwaCegarLoop]: 114 mSDtfsCounter, 306 mSDsluCounter, 561 mSDsCounter, 0 mSdLazyCounter, 1095 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 317 SdHoareTripleChecker+Valid, 675 SdHoareTripleChecker+Invalid, 1105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1095 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-09 02:11:59,392 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [317 Valid, 675 Invalid, 1105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1095 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-09 02:11:59,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2043 states. [2025-03-09 02:11:59,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2043 to 2026. [2025-03-09 02:11:59,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2026 states, 1831 states have (on average 1.5936646641179684) internal successors, (2918), 1892 states have internal predecessors, (2918), 127 states have call successors, (127), 7 states have call predecessors, (127), 7 states have return successors, (127), 126 states have call predecessors, (127), 127 states have call successors, (127) [2025-03-09 02:11:59,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2026 states to 2026 states and 3172 transitions. [2025-03-09 02:11:59,462 INFO L78 Accepts]: Start accepts. Automaton has 2026 states and 3172 transitions. Word has length 136 [2025-03-09 02:11:59,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:11:59,462 INFO L471 AbstractCegarLoop]: Abstraction has 2026 states and 3172 transitions. [2025-03-09 02:11:59,462 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 10.555555555555555) internal successors, (95), 9 states have internal predecessors, (95), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) [2025-03-09 02:11:59,462 INFO L276 IsEmpty]: Start isEmpty. Operand 2026 states and 3172 transitions. [2025-03-09 02:11:59,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2025-03-09 02:11:59,463 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:11:59,463 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:11:59,469 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Ended with exit code 0 [2025-03-09 02:11:59,667 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55,48 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:11:59,667 INFO L396 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-09 02:11:59,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:11:59,667 INFO L85 PathProgramCache]: Analyzing trace with hash 611943936, now seen corresponding path program 1 times [2025-03-09 02:11:59,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:11:59,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933538899] [2025-03-09 02:11:59,667 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:11:59,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:11:59,671 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 137 statements into 1 equivalence classes. [2025-03-09 02:11:59,676 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 137 of 137 statements. [2025-03-09 02:11:59,676 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:11:59,676 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:11:59,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1185822212] [2025-03-09 02:11:59,677 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:11:59,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:11:59,677 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:11:59,679 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:11:59,680 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Waiting until timeout for monitored process [2025-03-09 02:11:59,712 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 137 statements into 1 equivalence classes. [2025-03-09 02:11:59,733 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 137 of 137 statements. [2025-03-09 02:11:59,733 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:11:59,733 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:11:59,734 INFO L256 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-03-09 02:11:59,737 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:12:00,153 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-03-09 02:12:00,153 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:12:05,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:12:05,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933538899] [2025-03-09 02:12:05,246 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:12:05,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1185822212] [2025-03-09 02:12:05,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1185822212] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:12:05,246 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:12:05,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-03-09 02:12:05,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200346835] [2025-03-09 02:12:05,246 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:12:05,247 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-09 02:12:05,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:12:05,247 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-09 02:12:05,247 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=100, Unknown=1, NotChecked=0, Total=132 [2025-03-09 02:12:05,248 INFO L87 Difference]: Start difference. First operand 2026 states and 3172 transitions. Second operand has 8 states, 7 states have (on average 13.285714285714286) internal successors, (93), 8 states have internal predecessors, (93), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2025-03-09 02:12:05,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:12:05,752 INFO L93 Difference]: Finished difference Result 2044 states and 3181 transitions. [2025-03-09 02:12:05,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-09 02:12:05,753 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 13.285714285714286) internal successors, (93), 8 states have internal predecessors, (93), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 137 [2025-03-09 02:12:05,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:12:05,756 INFO L225 Difference]: With dead ends: 2044 [2025-03-09 02:12:05,756 INFO L226 Difference]: Without dead ends: 2043 [2025-03-09 02:12:05,757 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=31, Invalid=100, Unknown=1, NotChecked=0, Total=132 [2025-03-09 02:12:05,758 INFO L435 NwaCegarLoop]: 122 mSDtfsCounter, 212 mSDsluCounter, 371 mSDsCounter, 0 mSdLazyCounter, 804 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 493 SdHoareTripleChecker+Invalid, 804 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 804 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-09 02:12:05,758 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [223 Valid, 493 Invalid, 804 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 804 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-09 02:12:05,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2043 states. [2025-03-09 02:12:05,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2043 to 2026. [2025-03-09 02:12:05,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2026 states, 1831 states have (on average 1.5925723648279628) internal successors, (2916), 1892 states have internal predecessors, (2916), 127 states have call successors, (127), 7 states have call predecessors, (127), 7 states have return successors, (127), 126 states have call predecessors, (127), 127 states have call successors, (127) [2025-03-09 02:12:05,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2026 states to 2026 states and 3170 transitions. [2025-03-09 02:12:05,840 INFO L78 Accepts]: Start accepts. Automaton has 2026 states and 3170 transitions. Word has length 137 [2025-03-09 02:12:05,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:12:05,840 INFO L471 AbstractCegarLoop]: Abstraction has 2026 states and 3170 transitions. [2025-03-09 02:12:05,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 13.285714285714286) internal successors, (93), 8 states have internal predecessors, (93), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2025-03-09 02:12:05,841 INFO L276 IsEmpty]: Start isEmpty. Operand 2026 states and 3170 transitions. [2025-03-09 02:12:05,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2025-03-09 02:12:05,842 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:12:05,842 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:12:05,848 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Ended with exit code 0 [2025-03-09 02:12:06,042 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable56 [2025-03-09 02:12:06,042 INFO L396 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-09 02:12:06,043 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:12:06,043 INFO L85 PathProgramCache]: Analyzing trace with hash -1210785312, now seen corresponding path program 1 times [2025-03-09 02:12:06,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:12:06,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674737519] [2025-03-09 02:12:06,043 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:12:06,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:12:06,049 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 143 statements into 1 equivalence classes. [2025-03-09 02:12:06,054 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 143 of 143 statements. [2025-03-09 02:12:06,054 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:12:06,054 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:12:06,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1795947181] [2025-03-09 02:12:06,055 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:12:06,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:12:06,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:12:06,057 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:12:06,059 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Waiting until timeout for monitored process [2025-03-09 02:12:06,087 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 143 statements into 1 equivalence classes. [2025-03-09 02:12:06,110 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 143 of 143 statements. [2025-03-09 02:12:06,110 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:12:06,110 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:12:06,111 INFO L256 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-03-09 02:12:06,113 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:12:06,946 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2025-03-09 02:12:06,946 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:12:11,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:12:11,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674737519] [2025-03-09 02:12:11,687 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:12:11,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1795947181] [2025-03-09 02:12:11,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1795947181] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:12:11,687 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:12:11,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2025-03-09 02:12:11,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201293059] [2025-03-09 02:12:11,687 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:12:11,688 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-09 02:12:11,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:12:11,688 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-09 02:12:11,688 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=169, Unknown=1, NotChecked=0, Total=210 [2025-03-09 02:12:11,688 INFO L87 Difference]: Start difference. First operand 2026 states and 3170 transitions. Second operand has 11 states, 10 states have (on average 9.7) internal successors, (97), 10 states have internal predecessors, (97), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) [2025-03-09 02:12:13,309 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]