./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound10.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 4cd3813e1162515d6dfe6f021a67e8bd41b689ea28e27900ea441d7fd3bbe5cc --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 14:25:08,791 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 14:25:08,864 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-06 14:25:08,871 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 14:25:08,872 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 14:25:08,895 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 14:25:08,896 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 14:25:08,896 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 14:25:08,896 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 14:25:08,896 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 14:25:08,897 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 14:25:08,898 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 14:25:08,898 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 14:25:08,898 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 14:25:08,898 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 14:25:08,898 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 14:25:08,899 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 14:25:08,899 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 14:25:08,899 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 14:25:08,899 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 14:25:08,899 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 14:25:08,899 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 14:25:08,899 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 14:25:08,899 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 14:25:08,900 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-06 14:25:08,900 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 14:25:08,900 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 14:25:08,900 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 14:25:08,900 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 14:25:08,900 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 14:25:08,900 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 14:25:08,901 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 14:25:08,901 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 14:25:08,901 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 14:25:08,901 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 14:25:08,902 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 14:25:08,902 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 14:25:08,902 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 14:25:08,902 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 14:25:08,902 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 14:25:08,902 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 14:25:08,902 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 14:25:08,902 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 14:25:08,902 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 14:25:08,902 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 14:25:08,903 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-jdk21/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 -> 4cd3813e1162515d6dfe6f021a67e8bd41b689ea28e27900ea441d7fd3bbe5cc [2025-02-06 14:25:09,174 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 14:25:09,184 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 14:25:09,186 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 14:25:09,187 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 14:25:09,187 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 14:25:09,190 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound10.c [2025-02-06 14:25:10,445 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/cde2e3a22/27bb81880cbc402ab30853d36128e03f/FLAG046fb92de [2025-02-06 14:25:10,681 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 14:25:10,687 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound10.c [2025-02-06 14:25:10,701 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/cde2e3a22/27bb81880cbc402ab30853d36128e03f/FLAG046fb92de [2025-02-06 14:25:10,745 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/cde2e3a22/27bb81880cbc402ab30853d36128e03f [2025-02-06 14:25:10,748 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 14:25:10,749 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 14:25:10,750 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 14:25:10,752 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 14:25:10,755 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 14:25:10,756 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 02:25:10" (1/1) ... [2025-02-06 14:25:10,757 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a737a78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:25:10, skipping insertion in model container [2025-02-06 14:25:10,757 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 02:25:10" (1/1) ... [2025-02-06 14:25:10,772 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 14:25:10,927 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 14:25:10,940 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 14:25:10,959 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 14:25:10,969 INFO L204 MainTranslator]: Completed translation [2025-02-06 14:25:10,970 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:25:10 WrapperNode [2025-02-06 14:25:10,970 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 14:25:10,971 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 14:25:10,971 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 14:25:10,971 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 14:25:10,976 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:25:10" (1/1) ... [2025-02-06 14:25:10,985 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:25:10" (1/1) ... [2025-02-06 14:25:11,015 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 123 [2025-02-06 14:25:11,019 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 14:25:11,019 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 14:25:11,019 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 14:25:11,019 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 14:25:11,030 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:25:10" (1/1) ... [2025-02-06 14:25:11,031 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:25:10" (1/1) ... [2025-02-06 14:25:11,032 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:25:10" (1/1) ... [2025-02-06 14:25:11,051 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]. [2025-02-06 14:25:11,051 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:25:10" (1/1) ... [2025-02-06 14:25:11,052 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:25:10" (1/1) ... [2025-02-06 14:25:11,055 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:25:10" (1/1) ... [2025-02-06 14:25:11,056 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:25:10" (1/1) ... [2025-02-06 14:25:11,060 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:25:10" (1/1) ... [2025-02-06 14:25:11,061 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:25:10" (1/1) ... [2025-02-06 14:25:11,062 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 14:25:11,063 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 14:25:11,063 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 14:25:11,063 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 14:25:11,068 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:25:10" (1/1) ... [2025-02-06 14:25:11,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 14:25:11,084 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:25:11,099 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 14:25:11,105 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 14:25:11,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 14:25:11,123 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 14:25:11,123 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 14:25:11,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 14:25:11,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 14:25:11,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 14:25:11,123 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-06 14:25:11,123 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-06 14:25:11,169 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 14:25:11,170 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 14:25:11,589 INFO L? ?]: Removed 89 outVars from TransFormulas that were not future-live. [2025-02-06 14:25:11,589 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 14:25:11,605 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 14:25:11,607 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 14:25:11,608 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 02:25:11 BoogieIcfgContainer [2025-02-06 14:25:11,608 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 14:25:11,610 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 14:25:11,610 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 14:25:11,614 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 14:25:11,614 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 02:25:10" (1/3) ... [2025-02-06 14:25:11,615 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@631b2902 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 02:25:11, skipping insertion in model container [2025-02-06 14:25:11,616 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:25:10" (2/3) ... [2025-02-06 14:25:11,616 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@631b2902 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 02:25:11, skipping insertion in model container [2025-02-06 14:25:11,616 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 02:25:11" (3/3) ... [2025-02-06 14:25:11,617 INFO L128 eAbstractionObserver]: Analyzing ICFG ps5-ll_valuebound10.c [2025-02-06 14:25:11,629 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 14:25:11,630 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG ps5-ll_valuebound10.c that has 3 procedures, 192 locations, 1 initial locations, 1 loop locations, and 84 error locations. [2025-02-06 14:25:11,678 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 14:25:11,688 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;@482e4a1c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 14:25:11,688 INFO L334 AbstractCegarLoop]: Starting to check reachability of 84 error locations. [2025-02-06 14:25:11,694 INFO L276 IsEmpty]: Start isEmpty. Operand has 192 states, 100 states have (on average 1.88) internal successors, (188), 184 states have internal predecessors, (188), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-06 14:25:11,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-02-06 14:25:11,699 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:25:11,700 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:25:11,701 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr83ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2025-02-06 14:25:11,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:25:11,705 INFO L85 PathProgramCache]: Analyzing trace with hash 603286069, now seen corresponding path program 1 times [2025-02-06 14:25:11,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:25:11,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121919366] [2025-02-06 14:25:11,713 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:25:11,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:25:11,766 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-02-06 14:25:11,777 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-02-06 14:25:11,778 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:25:11,778 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:25:11,814 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-06 14:25:11,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:25:11,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121919366] [2025-02-06 14:25:11,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [121919366] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:25:11,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [329086697] [2025-02-06 14:25:11,816 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:25:11,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:25:11,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:25:11,819 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:25:11,820 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-06 14:25:11,850 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-02-06 14:25:11,862 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-02-06 14:25:11,862 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:25:11,862 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:25:11,863 INFO L256 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-06 14:25:11,866 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:25:11,872 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-06 14:25:11,872 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:25:11,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [329086697] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:25:11,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:25:11,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-06 14:25:11,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572667752] [2025-02-06 14:25:11,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:25:11,880 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 14:25:11,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:25:11,894 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 14:25:11,895 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 14:25:11,897 INFO L87 Difference]: Start difference. First operand has 192 states, 100 states have (on average 1.88) internal successors, (188), 184 states have internal predecessors, (188), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2025-02-06 14:25:11,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:25:11,921 INFO L93 Difference]: Finished difference Result 367 states and 396 transitions. [2025-02-06 14:25:11,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 14:25:11,923 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 15 [2025-02-06 14:25:11,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:25:11,928 INFO L225 Difference]: With dead ends: 367 [2025-02-06 14:25:11,928 INFO L226 Difference]: Without dead ends: 172 [2025-02-06 14:25:11,930 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 14:25:11,933 INFO L435 NwaCegarLoop]: 181 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, 181 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 [2025-02-06 14:25:11,935 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 14:25:11,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2025-02-06 14:25:11,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 172. [2025-02-06 14:25:11,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 95 states have (on average 1.7473684210526317) internal successors, (166), 165 states have internal predecessors, (166), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-06 14:25:11,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 174 transitions. [2025-02-06 14:25:11,983 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 174 transitions. Word has length 15 [2025-02-06 14:25:11,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:25:11,984 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 174 transitions. [2025-02-06 14:25:11,984 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2025-02-06 14:25:11,985 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 174 transitions. [2025-02-06 14:25:11,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-02-06 14:25:11,986 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:25:11,986 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:25:11,993 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-06 14:25:12,187 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-02-06 14:25:12,187 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr83ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2025-02-06 14:25:12,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:25:12,187 INFO L85 PathProgramCache]: Analyzing trace with hash -1165036139, now seen corresponding path program 1 times [2025-02-06 14:25:12,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:25:12,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750562509] [2025-02-06 14:25:12,188 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:25:12,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:25:12,195 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-02-06 14:25:12,203 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-02-06 14:25:12,203 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:25:12,203 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:25:12,263 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 14:25:12,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:25:12,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750562509] [2025-02-06 14:25:12,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750562509] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:25:12,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:25:12,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 14:25:12,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095990145] [2025-02-06 14:25:12,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:25:12,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 14:25:12,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:25:12,265 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 14:25:12,266 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 14:25:12,266 INFO L87 Difference]: Start difference. First operand 172 states and 174 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 14:25:12,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:25:12,645 INFO L93 Difference]: Finished difference Result 309 states and 321 transitions. [2025-02-06 14:25:12,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 14:25:12,645 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 15 [2025-02-06 14:25:12,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:25:12,647 INFO L225 Difference]: With dead ends: 309 [2025-02-06 14:25:12,647 INFO L226 Difference]: Without dead ends: 253 [2025-02-06 14:25:12,648 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 [2025-02-06 14:25:12,648 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 82 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 14:25:12,649 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 127 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 14:25:12,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2025-02-06 14:25:12,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 247. [2025-02-06 14:25:12,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 169 states have (on average 1.5029585798816567) internal successors, (254), 239 states have internal predecessors, (254), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-06 14:25:12,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 264 transitions. [2025-02-06 14:25:12,662 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 264 transitions. Word has length 15 [2025-02-06 14:25:12,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:25:12,663 INFO L471 AbstractCegarLoop]: Abstraction has 247 states and 264 transitions. [2025-02-06 14:25:12,663 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 14:25:12,663 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 264 transitions. [2025-02-06 14:25:12,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2025-02-06 14:25:12,664 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:25:12,664 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:25:12,664 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 14:25:12,665 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2025-02-06 14:25:12,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:25:12,665 INFO L85 PathProgramCache]: Analyzing trace with hash -569588615, now seen corresponding path program 1 times [2025-02-06 14:25:12,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:25:12,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989483033] [2025-02-06 14:25:12,666 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:25:12,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:25:12,673 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-02-06 14:25:12,697 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-02-06 14:25:12,700 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:25:12,700 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:25:12,817 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 14:25:12,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:25:12,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989483033] [2025-02-06 14:25:12,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989483033] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:25:12,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:25:12,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 14:25:12,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116705565] [2025-02-06 14:25:12,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:25:12,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 14:25:12,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:25:12,820 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 14:25:12,820 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 14:25:12,820 INFO L87 Difference]: Start difference. First operand 247 states and 264 transitions. Second operand has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 14:25:12,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:25:12,889 INFO L93 Difference]: Finished difference Result 266 states and 278 transitions. [2025-02-06 14:25:12,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 14:25:12,890 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 43 [2025-02-06 14:25:12,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:25:12,891 INFO L225 Difference]: With dead ends: 266 [2025-02-06 14:25:12,891 INFO L226 Difference]: Without dead ends: 261 [2025-02-06 14:25:12,892 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 [2025-02-06 14:25:12,892 INFO L435 NwaCegarLoop]: 152 mSDtfsCounter, 58 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:25:12,892 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 296 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:25:12,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2025-02-06 14:25:12,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 254. [2025-02-06 14:25:12,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 254 states, 176 states have (on average 1.4829545454545454) internal successors, (261), 246 states have internal predecessors, (261), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-06 14:25:12,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 271 transitions. [2025-02-06 14:25:12,909 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 271 transitions. Word has length 43 [2025-02-06 14:25:12,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:25:12,909 INFO L471 AbstractCegarLoop]: Abstraction has 254 states and 271 transitions. [2025-02-06 14:25:12,910 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 14:25:12,910 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 271 transitions. [2025-02-06 14:25:12,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2025-02-06 14:25:12,910 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:25:12,911 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:25:12,911 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-06 14:25:12,911 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2025-02-06 14:25:12,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:25:12,911 INFO L85 PathProgramCache]: Analyzing trace with hash -1913809673, now seen corresponding path program 1 times [2025-02-06 14:25:12,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:25:12,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823208937] [2025-02-06 14:25:12,911 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:25:12,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:25:12,919 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-02-06 14:25:12,937 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-02-06 14:25:12,938 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:25:12,938 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:25:13,050 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 14:25:13,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:25:13,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823208937] [2025-02-06 14:25:13,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823208937] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:25:13,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:25:13,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 14:25:13,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890463678] [2025-02-06 14:25:13,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:25:13,051 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:25:13,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:25:13,053 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:25:13,053 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:25:13,053 INFO L87 Difference]: Start difference. First operand 254 states and 271 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 14:25:13,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:25:13,424 INFO L93 Difference]: Finished difference Result 265 states and 273 transitions. [2025-02-06 14:25:13,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 14:25:13,424 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 45 [2025-02-06 14:25:13,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:25:13,436 INFO L225 Difference]: With dead ends: 265 [2025-02-06 14:25:13,436 INFO L226 Difference]: Without dead ends: 260 [2025-02-06 14:25:13,436 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:25:13,437 INFO L435 NwaCegarLoop]: 89 mSDtfsCounter, 81 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 265 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 14:25:13,439 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 255 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 265 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 14:25:13,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2025-02-06 14:25:13,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 254. [2025-02-06 14:25:13,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 254 states, 176 states have (on average 1.4545454545454546) internal successors, (256), 246 states have internal predecessors, (256), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-06 14:25:13,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 266 transitions. [2025-02-06 14:25:13,452 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 266 transitions. Word has length 45 [2025-02-06 14:25:13,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:25:13,453 INFO L471 AbstractCegarLoop]: Abstraction has 254 states and 266 transitions. [2025-02-06 14:25:13,453 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 14:25:13,453 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 266 transitions. [2025-02-06 14:25:13,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2025-02-06 14:25:13,453 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:25:13,454 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:25:13,454 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-06 14:25:13,454 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2025-02-06 14:25:13,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:25:13,454 INFO L85 PathProgramCache]: Analyzing trace with hash 801442363, now seen corresponding path program 1 times [2025-02-06 14:25:13,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:25:13,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854379226] [2025-02-06 14:25:13,454 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:25:13,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:25:13,461 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-02-06 14:25:13,468 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-02-06 14:25:13,468 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:25:13,468 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:25:13,555 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 14:25:13,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:25:13,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854379226] [2025-02-06 14:25:13,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854379226] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:25:13,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:25:13,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 14:25:13,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951685394] [2025-02-06 14:25:13,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:25:13,557 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:25:13,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:25:13,557 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:25:13,557 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:25:13,558 INFO L87 Difference]: Start difference. First operand 254 states and 266 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 14:25:13,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:25:13,712 INFO L93 Difference]: Finished difference Result 264 states and 268 transitions. [2025-02-06 14:25:13,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 14:25:13,713 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 46 [2025-02-06 14:25:13,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:25:13,715 INFO L225 Difference]: With dead ends: 264 [2025-02-06 14:25:13,715 INFO L226 Difference]: Without dead ends: 226 [2025-02-06 14:25:13,716 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:25:13,716 INFO L435 NwaCegarLoop]: 102 mSDtfsCounter, 125 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:25:13,717 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 246 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:25:13,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2025-02-06 14:25:13,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 220. [2025-02-06 14:25:13,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 142 states have (on average 1.5352112676056338) internal successors, (218), 212 states have internal predecessors, (218), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-06 14:25:13,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 228 transitions. [2025-02-06 14:25:13,726 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 228 transitions. Word has length 46 [2025-02-06 14:25:13,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:25:13,726 INFO L471 AbstractCegarLoop]: Abstraction has 220 states and 228 transitions. [2025-02-06 14:25:13,727 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 14:25:13,727 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 228 transitions. [2025-02-06 14:25:13,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2025-02-06 14:25:13,728 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:25:13,728 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:25:13,728 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-06 14:25:13,728 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2025-02-06 14:25:13,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:25:13,734 INFO L85 PathProgramCache]: Analyzing trace with hash -1176305615, now seen corresponding path program 1 times [2025-02-06 14:25:13,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:25:13,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519914240] [2025-02-06 14:25:13,735 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:25:13,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:25:13,745 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-02-06 14:25:13,755 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-02-06 14:25:13,755 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:25:13,756 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:25:13,818 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 14:25:13,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:25:13,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519914240] [2025-02-06 14:25:13,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519914240] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:25:13,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:25:13,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 14:25:13,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568349518] [2025-02-06 14:25:13,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:25:13,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 14:25:13,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:25:13,820 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 14:25:13,820 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 14:25:13,821 INFO L87 Difference]: Start difference. First operand 220 states and 228 transitions. Second operand has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-06 14:25:13,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:25:13,837 INFO L93 Difference]: Finished difference Result 222 states and 228 transitions. [2025-02-06 14:25:13,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 14:25:13,839 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 55 [2025-02-06 14:25:13,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:25:13,840 INFO L225 Difference]: With dead ends: 222 [2025-02-06 14:25:13,840 INFO L226 Difference]: Without dead ends: 220 [2025-02-06 14:25:13,840 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 [2025-02-06 14:25:13,841 INFO L435 NwaCegarLoop]: 171 mSDtfsCounter, 1 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 14:25:13,841 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 337 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 14:25:13,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2025-02-06 14:25:13,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 220. [2025-02-06 14:25:13,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 142 states have (on average 1.5211267605633803) internal successors, (216), 212 states have internal predecessors, (216), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-06 14:25:13,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 226 transitions. [2025-02-06 14:25:13,854 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 226 transitions. Word has length 55 [2025-02-06 14:25:13,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:25:13,855 INFO L471 AbstractCegarLoop]: Abstraction has 220 states and 226 transitions. [2025-02-06 14:25:13,855 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-06 14:25:13,855 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 226 transitions. [2025-02-06 14:25:13,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2025-02-06 14:25:13,857 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:25:13,858 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:25:13,858 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-06 14:25:13,858 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2025-02-06 14:25:13,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:25:13,859 INFO L85 PathProgramCache]: Analyzing trace with hash 1403214962, now seen corresponding path program 1 times [2025-02-06 14:25:13,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:25:13,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609196648] [2025-02-06 14:25:13,859 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:25:13,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:25:13,870 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-02-06 14:25:13,882 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-02-06 14:25:13,882 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:25:13,882 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:25:13,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [625148552] [2025-02-06 14:25:13,884 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:25:13,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:25:13,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:25:13,886 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:25:13,888 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-06 14:25:13,912 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-02-06 14:25:13,928 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-02-06 14:25:13,929 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:25:13,929 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:25:13,930 INFO L256 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 14:25:13,932 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:25:14,017 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 14:25:14,017 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:25:14,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:25:14,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609196648] [2025-02-06 14:25:14,018 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:25:14,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [625148552] [2025-02-06 14:25:14,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [625148552] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:25:14,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:25:14,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 14:25:14,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62490533] [2025-02-06 14:25:14,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:25:14,019 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:25:14,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:25:14,019 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:25:14,020 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:25:14,020 INFO L87 Difference]: Start difference. First operand 220 states and 226 transitions. Second operand has 4 states, 3 states have (on average 17.0) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-06 14:25:14,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:25:14,398 INFO L93 Difference]: Finished difference Result 359 states and 375 transitions. [2025-02-06 14:25:14,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 14:25:14,398 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.0) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 60 [2025-02-06 14:25:14,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:25:14,400 INFO L225 Difference]: With dead ends: 359 [2025-02-06 14:25:14,400 INFO L226 Difference]: Without dead ends: 305 [2025-02-06 14:25:14,400 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:25:14,401 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 90 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 413 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 14:25:14,401 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 153 Invalid, 464 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 413 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 14:25:14,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2025-02-06 14:25:14,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 299. [2025-02-06 14:25:14,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 219 states have (on average 1.4018264840182648) internal successors, (307), 289 states have internal predecessors, (307), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-02-06 14:25:14,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 321 transitions. [2025-02-06 14:25:14,414 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 321 transitions. Word has length 60 [2025-02-06 14:25:14,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:25:14,414 INFO L471 AbstractCegarLoop]: Abstraction has 299 states and 321 transitions. [2025-02-06 14:25:14,414 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.0) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-06 14:25:14,414 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 321 transitions. [2025-02-06 14:25:14,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2025-02-06 14:25:14,415 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:25:14,415 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:25:14,423 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-02-06 14:25:14,619 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:25:14,619 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2025-02-06 14:25:14,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:25:14,620 INFO L85 PathProgramCache]: Analyzing trace with hash -2069461556, now seen corresponding path program 1 times [2025-02-06 14:25:14,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:25:14,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851944685] [2025-02-06 14:25:14,620 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:25:14,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:25:14,630 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 66 statements into 1 equivalence classes. [2025-02-06 14:25:14,637 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 66 of 66 statements. [2025-02-06 14:25:14,638 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:25:14,638 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:25:14,735 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 14:25:14,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:25:14,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851944685] [2025-02-06 14:25:14,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851944685] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:25:14,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:25:14,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 14:25:14,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937995579] [2025-02-06 14:25:14,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:25:14,736 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:25:14,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:25:14,736 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:25:14,736 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:25:14,736 INFO L87 Difference]: Start difference. First operand 299 states and 321 transitions. Second operand has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-06 14:25:14,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:25:14,821 INFO L93 Difference]: Finished difference Result 300 states and 321 transitions. [2025-02-06 14:25:14,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 14:25:14,821 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 66 [2025-02-06 14:25:14,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:25:14,823 INFO L225 Difference]: With dead ends: 300 [2025-02-06 14:25:14,823 INFO L226 Difference]: Without dead ends: 299 [2025-02-06 14:25:14,823 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:25:14,823 INFO L435 NwaCegarLoop]: 136 mSDtfsCounter, 39 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:25:14,823 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 280 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:25:14,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2025-02-06 14:25:14,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 299. [2025-02-06 14:25:14,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 219 states have (on average 1.3972602739726028) internal successors, (306), 289 states have internal predecessors, (306), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-02-06 14:25:14,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 320 transitions. [2025-02-06 14:25:14,831 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 320 transitions. Word has length 66 [2025-02-06 14:25:14,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:25:14,832 INFO L471 AbstractCegarLoop]: Abstraction has 299 states and 320 transitions. [2025-02-06 14:25:14,832 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-06 14:25:14,832 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 320 transitions. [2025-02-06 14:25:14,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2025-02-06 14:25:14,835 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:25:14,835 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:25:14,835 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-02-06 14:25:14,836 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2025-02-06 14:25:14,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:25:14,836 INFO L85 PathProgramCache]: Analyzing trace with hash 2053706350, now seen corresponding path program 1 times [2025-02-06 14:25:14,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:25:14,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712250309] [2025-02-06 14:25:14,837 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:25:14,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:25:14,848 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-02-06 14:25:14,865 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-02-06 14:25:14,866 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:25:14,866 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:25:14,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [590593072] [2025-02-06 14:25:14,867 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:25:14,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:25:14,867 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:25:14,869 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:25:14,872 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-02-06 14:25:14,899 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-02-06 14:25:14,919 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-02-06 14:25:14,919 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:25:14,919 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:25:14,920 INFO L256 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 14:25:14,922 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:25:15,059 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2025-02-06 14:25:15,059 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:25:15,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:25:15,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712250309] [2025-02-06 14:25:15,059 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:25:15,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [590593072] [2025-02-06 14:25:15,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [590593072] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:25:15,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:25:15,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 14:25:15,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842603899] [2025-02-06 14:25:15,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:25:15,061 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 14:25:15,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:25:15,062 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 14:25:15,062 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 14:25:15,062 INFO L87 Difference]: Start difference. First operand 299 states and 320 transitions. Second operand has 3 states, 2 states have (on average 29.0) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-06 14:25:15,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:25:15,112 INFO L93 Difference]: Finished difference Result 299 states and 320 transitions. [2025-02-06 14:25:15,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 14:25:15,113 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 29.0) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 96 [2025-02-06 14:25:15,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:25:15,114 INFO L225 Difference]: With dead ends: 299 [2025-02-06 14:25:15,114 INFO L226 Difference]: Without dead ends: 296 [2025-02-06 14:25:15,114 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 93 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 14:25:15,115 INFO L435 NwaCegarLoop]: 146 mSDtfsCounter, 95 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 14:25:15,115 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 159 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 14:25:15,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2025-02-06 14:25:15,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 296. [2025-02-06 14:25:15,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 219 states have (on average 1.3744292237442923) internal successors, (301), 286 states have internal predecessors, (301), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-02-06 14:25:15,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 315 transitions. [2025-02-06 14:25:15,135 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 315 transitions. Word has length 96 [2025-02-06 14:25:15,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:25:15,135 INFO L471 AbstractCegarLoop]: Abstraction has 296 states and 315 transitions. [2025-02-06 14:25:15,135 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 29.0) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-06 14:25:15,135 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 315 transitions. [2025-02-06 14:25:15,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2025-02-06 14:25:15,136 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:25:15,137 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:25:15,144 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-02-06 14:25:15,337 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:25:15,337 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2025-02-06 14:25:15,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:25:15,338 INFO L85 PathProgramCache]: Analyzing trace with hash -759612504, now seen corresponding path program 1 times [2025-02-06 14:25:15,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:25:15,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426235210] [2025-02-06 14:25:15,338 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:25:15,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:25:15,347 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-02-06 14:25:15,359 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-02-06 14:25:15,359 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:25:15,359 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:25:15,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [370170903] [2025-02-06 14:25:15,360 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:25:15,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:25:15,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:25:15,365 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:25:15,367 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-02-06 14:25:15,391 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-02-06 14:25:15,415 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-02-06 14:25:15,415 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:25:15,415 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:25:15,417 INFO L256 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-06 14:25:15,419 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:25:15,669 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 14:25:15,670 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:25:15,890 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 14:25:15,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:25:15,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426235210] [2025-02-06 14:25:15,891 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:25:15,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [370170903] [2025-02-06 14:25:15,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [370170903] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:25:15,891 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 14:25:15,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2025-02-06 14:25:15,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908212762] [2025-02-06 14:25:15,891 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 14:25:15,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 14:25:15,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:25:15,892 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 14:25:15,892 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-02-06 14:25:15,892 INFO L87 Difference]: Start difference. First operand 296 states and 315 transitions. Second operand has 8 states, 7 states have (on average 24.0) internal successors, (168), 8 states have internal predecessors, (168), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-06 14:25:16,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:25:16,692 INFO L93 Difference]: Finished difference Result 368 states and 383 transitions. [2025-02-06 14:25:16,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-06 14:25:16,692 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 24.0) internal successors, (168), 8 states have internal predecessors, (168), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 97 [2025-02-06 14:25:16,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:25:16,694 INFO L225 Difference]: With dead ends: 368 [2025-02-06 14:25:16,694 INFO L226 Difference]: Without dead ends: 361 [2025-02-06 14:25:16,694 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2025-02-06 14:25:16,695 INFO L435 NwaCegarLoop]: 86 mSDtfsCounter, 284 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 777 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 792 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 777 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-02-06 14:25:16,695 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [286 Valid, 333 Invalid, 792 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 777 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-02-06 14:25:16,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2025-02-06 14:25:16,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 334. [2025-02-06 14:25:16,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 334 states, 258 states have (on average 1.3953488372093024) internal successors, (360), 324 states have internal predecessors, (360), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-02-06 14:25:16,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 374 transitions. [2025-02-06 14:25:16,705 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 374 transitions. Word has length 97 [2025-02-06 14:25:16,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:25:16,705 INFO L471 AbstractCegarLoop]: Abstraction has 334 states and 374 transitions. [2025-02-06 14:25:16,705 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 24.0) internal successors, (168), 8 states have internal predecessors, (168), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-06 14:25:16,705 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 374 transitions. [2025-02-06 14:25:16,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2025-02-06 14:25:16,706 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:25:16,706 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:25:16,714 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-02-06 14:25:16,911 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2025-02-06 14:25:16,911 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2025-02-06 14:25:16,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:25:16,911 INFO L85 PathProgramCache]: Analyzing trace with hash -2073151060, now seen corresponding path program 1 times [2025-02-06 14:25:16,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:25:16,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460040704] [2025-02-06 14:25:16,912 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:25:16,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:25:16,919 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 98 statements into 1 equivalence classes. [2025-02-06 14:25:16,940 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-02-06 14:25:16,941 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:25:16,941 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:25:16,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2000921248] [2025-02-06 14:25:16,942 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:25:16,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:25:16,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:25:16,944 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:25:16,946 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-02-06 14:25:16,972 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 98 statements into 1 equivalence classes. [2025-02-06 14:25:16,991 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-02-06 14:25:16,992 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:25:16,992 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:25:16,992 INFO L256 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-06 14:25:16,995 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:25:17,297 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 14:25:17,297 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:25:18,305 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 14:25:18,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:25:18,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460040704] [2025-02-06 14:25:18,305 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:25:18,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2000921248] [2025-02-06 14:25:18,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2000921248] provided 1 perfect and 1 imperfect interpolant sequences [2025-02-06 14:25:18,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:25:18,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 8 [2025-02-06 14:25:18,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129396808] [2025-02-06 14:25:18,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:25:18,306 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 14:25:18,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:25:18,306 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 14:25:18,306 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=40, Unknown=0, NotChecked=0, Total=72 [2025-02-06 14:25:18,306 INFO L87 Difference]: Start difference. First operand 334 states and 374 transitions. Second operand has 6 states, 5 states have (on average 17.8) internal successors, (89), 6 states have internal predecessors, (89), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-06 14:25:21,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-02-06 14:25:25,114 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-02-06 14:25:29,183 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-02-06 14:25:31,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-02-06 14:25:33,736 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-02-06 14:25:37,984 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-02-06 14:25:42,133 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-02-06 14:25:48,855 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.62s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-02-06 14:25:51,187 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-02-06 14:25:53,510 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-02-06 14:25:53,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:25:53,550 INFO L93 Difference]: Finished difference Result 334 states and 374 transitions. [2025-02-06 14:25:53,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 14:25:53,550 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.8) internal successors, (89), 6 states have internal predecessors, (89), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 98 [2025-02-06 14:25:53,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:25:53,552 INFO L225 Difference]: With dead ends: 334 [2025-02-06 14:25:53,552 INFO L226 Difference]: Without dead ends: 332 [2025-02-06 14:25:53,552 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=49, Unknown=0, NotChecked=0, Total=90 [2025-02-06 14:25:53,553 INFO L435 NwaCegarLoop]: 24 mSDtfsCounter, 203 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 352 mSolverCounterSat, 12 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 352 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:25:53,553 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 58 Invalid, 369 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 352 Invalid, 5 Unknown, 0 Unchecked, 35.2s Time] [2025-02-06 14:25:53,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2025-02-06 14:25:53,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 332. [2025-02-06 14:25:53,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 258 states have (on average 1.37984496124031) internal successors, (356), 322 states have internal predecessors, (356), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-02-06 14:25:53,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 370 transitions. [2025-02-06 14:25:53,564 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 370 transitions. Word has length 98 [2025-02-06 14:25:53,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:25:53,564 INFO L471 AbstractCegarLoop]: Abstraction has 332 states and 370 transitions. [2025-02-06 14:25:53,564 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.8) internal successors, (89), 6 states have internal predecessors, (89), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-06 14:25:53,564 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 370 transitions. [2025-02-06 14:25:53,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2025-02-06 14:25:53,565 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:25:53,565 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:25:53,573 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-02-06 14:25:53,766 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2025-02-06 14:25:53,766 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2025-02-06 14:25:53,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:25:53,767 INFO L85 PathProgramCache]: Analyzing trace with hash 156826662, now seen corresponding path program 1 times [2025-02-06 14:25:53,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:25:53,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107982346] [2025-02-06 14:25:53,767 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:25:53,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:25:53,774 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 99 statements into 1 equivalence classes. [2025-02-06 14:25:53,803 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 99 of 99 statements. [2025-02-06 14:25:53,803 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:25:53,803 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:25:53,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [14708686] [2025-02-06 14:25:53,804 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:25:53,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:25:53,804 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:25:53,808 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:25:53,810 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-02-06 14:25:53,862 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 99 statements into 1 equivalence classes. [2025-02-06 14:25:53,882 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 99 of 99 statements. [2025-02-06 14:25:53,882 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:25:53,882 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:25:53,883 INFO L256 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 14:25:53,885 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:25:54,037 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 14:25:54,038 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:25:54,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:25:54,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107982346] [2025-02-06 14:25:54,038 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:25:54,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [14708686] [2025-02-06 14:25:54,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [14708686] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:25:54,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:25:54,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 14:25:54,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883254648] [2025-02-06 14:25:54,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:25:54,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 14:25:54,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:25:54,041 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 14:25:54,041 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-02-06 14:25:54,041 INFO L87 Difference]: Start difference. First operand 332 states and 370 transitions. Second operand has 5 states, 4 states have (on average 22.5) internal successors, (90), 5 states have internal predecessors, (90), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-06 14:25:54,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:25:54,365 INFO L93 Difference]: Finished difference Result 332 states and 370 transitions. [2025-02-06 14:25:54,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 14:25:54,365 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.5) internal successors, (90), 5 states have internal predecessors, (90), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 99 [2025-02-06 14:25:54,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:25:54,367 INFO L225 Difference]: With dead ends: 332 [2025-02-06 14:25:54,367 INFO L226 Difference]: Without dead ends: 312 [2025-02-06 14:25:54,368 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-02-06 14:25:54,368 INFO L435 NwaCegarLoop]: 34 mSDtfsCounter, 201 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 14:25:54,369 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 48 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 14:25:54,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2025-02-06 14:25:54,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 312. [2025-02-06 14:25:54,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 258 states have (on average 1.2635658914728682) internal successors, (326), 302 states have internal predecessors, (326), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-02-06 14:25:54,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 340 transitions. [2025-02-06 14:25:54,386 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 340 transitions. Word has length 99 [2025-02-06 14:25:54,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:25:54,386 INFO L471 AbstractCegarLoop]: Abstraction has 312 states and 340 transitions. [2025-02-06 14:25:54,386 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.5) internal successors, (90), 5 states have internal predecessors, (90), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-06 14:25:54,386 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 340 transitions. [2025-02-06 14:25:54,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2025-02-06 14:25:54,387 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:25:54,387 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:25:54,395 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-02-06 14:25:54,588 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2025-02-06 14:25:54,588 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2025-02-06 14:25:54,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:25:54,589 INFO L85 PathProgramCache]: Analyzing trace with hash 566659306, now seen corresponding path program 1 times [2025-02-06 14:25:54,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:25:54,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690151316] [2025-02-06 14:25:54,589 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:25:54,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:25:54,597 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-02-06 14:25:54,613 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-02-06 14:25:54,613 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:25:54,614 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:25:54,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1813965551] [2025-02-06 14:25:54,614 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:25:54,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:25:54,615 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:25:54,617 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:25:54,618 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-02-06 14:25:54,646 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-02-06 14:25:54,667 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-02-06 14:25:54,667 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:25:54,667 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:25:54,668 INFO L256 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-06 14:25:54,670 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:25:54,944 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 14:25:54,944 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:25:55,184 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2025-02-06 14:25:55,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:25:55,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690151316] [2025-02-06 14:25:55,185 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:25:55,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1813965551] [2025-02-06 14:25:55,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1813965551] provided 1 perfect and 1 imperfect interpolant sequences [2025-02-06 14:25:55,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:25:55,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2025-02-06 14:25:55,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6726930] [2025-02-06 14:25:55,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:25:55,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:25:55,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:25:55,186 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:25:55,186 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2025-02-06 14:25:55,186 INFO L87 Difference]: Start difference. First operand 312 states and 340 transitions. Second operand has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-06 14:25:58,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-02-06 14:26:02,469 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.68s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-02-06 14:26:03,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:26:03,255 INFO L93 Difference]: Finished difference Result 312 states and 340 transitions. [2025-02-06 14:26:03,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 14:26:03,255 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 100 [2025-02-06 14:26:03,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:26:03,257 INFO L225 Difference]: With dead ends: 312 [2025-02-06 14:26:03,257 INFO L226 Difference]: Without dead ends: 310 [2025-02-06 14:26:03,257 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 192 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2025-02-06 14:26:03,257 INFO L435 NwaCegarLoop]: 24 mSDtfsCounter, 79 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:26:03,258 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 44 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 8.1s Time] [2025-02-06 14:26:03,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2025-02-06 14:26:03,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 310. [2025-02-06 14:26:03,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 258 states have (on average 1.248062015503876) internal successors, (322), 300 states have internal predecessors, (322), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-02-06 14:26:03,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 336 transitions. [2025-02-06 14:26:03,271 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 336 transitions. Word has length 100 [2025-02-06 14:26:03,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:26:03,271 INFO L471 AbstractCegarLoop]: Abstraction has 310 states and 336 transitions. [2025-02-06 14:26:03,272 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-06 14:26:03,272 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 336 transitions. [2025-02-06 14:26:03,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2025-02-06 14:26:03,272 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:26:03,273 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:26:03,280 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-02-06 14:26:03,473 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:26:03,473 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2025-02-06 14:26:03,474 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:26:03,474 INFO L85 PathProgramCache]: Analyzing trace with hash 1486423718, now seen corresponding path program 1 times [2025-02-06 14:26:03,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:26:03,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950421339] [2025-02-06 14:26:03,474 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:26:03,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:26:03,479 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 108 statements into 1 equivalence classes. [2025-02-06 14:26:03,494 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 108 of 108 statements. [2025-02-06 14:26:03,494 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:26:03,494 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:26:03,628 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-06 14:26:03,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:26:03,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950421339] [2025-02-06 14:26:03,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950421339] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:26:03,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [420576568] [2025-02-06 14:26:03,629 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:26:03,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:26:03,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:26:03,631 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:26:03,633 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-02-06 14:26:03,658 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 108 statements into 1 equivalence classes. [2025-02-06 14:26:03,677 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 108 of 108 statements. [2025-02-06 14:26:03,677 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:26:03,677 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:26:03,678 INFO L256 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 14:26:03,680 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:26:03,773 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-06 14:26:03,773 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:26:03,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [420576568] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:26:03,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:26:03,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2025-02-06 14:26:03,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443174104] [2025-02-06 14:26:03,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:26:03,774 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:26:03,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:26:03,775 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:26:03,775 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 14:26:03,775 INFO L87 Difference]: Start difference. First operand 310 states and 336 transitions. Second operand has 4 states, 3 states have (on average 31.333333333333332) internal successors, (94), 4 states have internal predecessors, (94), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-06 14:26:03,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:26:03,802 INFO L93 Difference]: Finished difference Result 310 states and 336 transitions. [2025-02-06 14:26:03,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 14:26:03,803 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 31.333333333333332) internal successors, (94), 4 states have internal predecessors, (94), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 108 [2025-02-06 14:26:03,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:26:03,804 INFO L225 Difference]: With dead ends: 310 [2025-02-06 14:26:03,804 INFO L226 Difference]: Without dead ends: 309 [2025-02-06 14:26:03,804 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 14:26:03,805 INFO L435 NwaCegarLoop]: 177 mSDtfsCounter, 25 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 14:26:03,805 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 350 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 14:26:03,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2025-02-06 14:26:03,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 309. [2025-02-06 14:26:03,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 309 states, 258 states have (on average 1.2403100775193798) internal successors, (320), 299 states have internal predecessors, (320), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-02-06 14:26:03,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 334 transitions. [2025-02-06 14:26:03,816 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 334 transitions. Word has length 108 [2025-02-06 14:26:03,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:26:03,816 INFO L471 AbstractCegarLoop]: Abstraction has 309 states and 334 transitions. [2025-02-06 14:26:03,817 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 31.333333333333332) internal successors, (94), 4 states have internal predecessors, (94), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-06 14:26:03,817 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 334 transitions. [2025-02-06 14:26:03,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2025-02-06 14:26:03,817 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:26:03,818 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:26:03,825 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-02-06 14:26:04,018 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:26:04,019 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2025-02-06 14:26:04,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:26:04,019 INFO L85 PathProgramCache]: Analyzing trace with hash -1165504927, now seen corresponding path program 1 times [2025-02-06 14:26:04,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:26:04,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068261606] [2025-02-06 14:26:04,019 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:26:04,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:26:04,026 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 109 statements into 1 equivalence classes. [2025-02-06 14:26:04,034 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 109 of 109 statements. [2025-02-06 14:26:04,034 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:26:04,034 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:26:04,112 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-06 14:26:04,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:26:04,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068261606] [2025-02-06 14:26:04,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068261606] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:26:04,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1943625680] [2025-02-06 14:26:04,112 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:26:04,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:26:04,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:26:04,115 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:26:04,118 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-02-06 14:26:04,140 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 109 statements into 1 equivalence classes. [2025-02-06 14:26:04,156 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 109 of 109 statements. [2025-02-06 14:26:04,156 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:26:04,156 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:26:04,157 INFO L256 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 14:26:04,157 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:26:04,254 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-06 14:26:04,254 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:26:04,395 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-06 14:26:04,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1943625680] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:26:04,396 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:26:04,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2025-02-06 14:26:04,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957467072] [2025-02-06 14:26:04,396 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:26:04,396 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 14:26:04,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:26:04,397 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 14:26:04,397 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-02-06 14:26:04,397 INFO L87 Difference]: Start difference. First operand 309 states and 334 transitions. Second operand has 7 states, 6 states have (on average 36.833333333333336) internal successors, (221), 7 states have internal predecessors, (221), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2025-02-06 14:26:04,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:26:04,449 INFO L93 Difference]: Finished difference Result 408 states and 421 transitions. [2025-02-06 14:26:04,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 14:26:04,449 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 36.833333333333336) internal successors, (221), 7 states have internal predecessors, (221), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) Word has length 109 [2025-02-06 14:26:04,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:26:04,451 INFO L225 Difference]: With dead ends: 408 [2025-02-06 14:26:04,452 INFO L226 Difference]: Without dead ends: 407 [2025-02-06 14:26:04,453 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 214 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-02-06 14:26:04,453 INFO L435 NwaCegarLoop]: 141 mSDtfsCounter, 68 mSDsluCounter, 526 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 667 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 14:26:04,453 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 667 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 14:26:04,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2025-02-06 14:26:04,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 366. [2025-02-06 14:26:04,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366 states, 313 states have (on average 1.2779552715654952) internal successors, (400), 354 states have internal predecessors, (400), 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) [2025-02-06 14:26:04,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 418 transitions. [2025-02-06 14:26:04,468 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 418 transitions. Word has length 109 [2025-02-06 14:26:04,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:26:04,468 INFO L471 AbstractCegarLoop]: Abstraction has 366 states and 418 transitions. [2025-02-06 14:26:04,469 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 36.833333333333336) internal successors, (221), 7 states have internal predecessors, (221), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2025-02-06 14:26:04,469 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 418 transitions. [2025-02-06 14:26:04,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2025-02-06 14:26:04,470 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:26:04,470 INFO L218 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:26:04,478 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-02-06 14:26:04,670 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:26:04,671 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr83ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2025-02-06 14:26:04,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:26:04,671 INFO L85 PathProgramCache]: Analyzing trace with hash -616745803, now seen corresponding path program 1 times [2025-02-06 14:26:04,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:26:04,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846259897] [2025-02-06 14:26:04,671 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:26:04,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:26:04,676 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 121 statements into 1 equivalence classes. [2025-02-06 14:26:04,683 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 121 of 121 statements. [2025-02-06 14:26:04,684 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:26:04,684 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:26:04,749 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2025-02-06 14:26:04,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:26:04,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846259897] [2025-02-06 14:26:04,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1846259897] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:26:04,750 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:26:04,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 14:26:04,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370294448] [2025-02-06 14:26:04,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:26:04,750 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:26:04,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:26:04,751 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:26:04,751 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:26:04,751 INFO L87 Difference]: Start difference. First operand 366 states and 418 transitions. Second operand has 4 states, 3 states have (on average 32.0) internal successors, (96), 4 states have internal predecessors, (96), 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) [2025-02-06 14:26:04,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:26:04,932 INFO L93 Difference]: Finished difference Result 366 states and 418 transitions. [2025-02-06 14:26:04,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 14:26:04,933 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 32.0) internal successors, (96), 4 states have internal predecessors, (96), 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 121 [2025-02-06 14:26:04,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:26:04,934 INFO L225 Difference]: With dead ends: 366 [2025-02-06 14:26:04,935 INFO L226 Difference]: Without dead ends: 359 [2025-02-06 14:26:04,935 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:26:04,935 INFO L435 NwaCegarLoop]: 28 mSDtfsCounter, 78 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:26:04,935 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 54 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:26:04,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2025-02-06 14:26:04,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 359. [2025-02-06 14:26:04,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 359 states, 313 states have (on average 1.233226837060703) internal successors, (386), 347 states have internal predecessors, (386), 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) [2025-02-06 14:26:04,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 404 transitions. [2025-02-06 14:26:04,949 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 404 transitions. Word has length 121 [2025-02-06 14:26:04,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:26:04,949 INFO L471 AbstractCegarLoop]: Abstraction has 359 states and 404 transitions. [2025-02-06 14:26:04,949 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 32.0) internal successors, (96), 4 states have internal predecessors, (96), 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) [2025-02-06 14:26:04,949 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 404 transitions. [2025-02-06 14:26:04,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2025-02-06 14:26:04,950 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:26:04,950 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:26:04,950 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-02-06 14:26:04,950 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr82ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2025-02-06 14:26:04,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:26:04,951 INFO L85 PathProgramCache]: Analyzing trace with hash -1939250567, now seen corresponding path program 1 times [2025-02-06 14:26:04,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:26:04,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871039661] [2025-02-06 14:26:04,951 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:26:04,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:26:04,956 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 122 statements into 1 equivalence classes. [2025-02-06 14:26:04,962 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 122 of 122 statements. [2025-02-06 14:26:04,963 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:26:04,963 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:26:05,013 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2025-02-06 14:26:05,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:26:05,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871039661] [2025-02-06 14:26:05,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [871039661] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:26:05,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:26:05,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 14:26:05,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294079129] [2025-02-06 14:26:05,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:26:05,015 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:26:05,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:26:05,015 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:26:05,015 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:26:05,015 INFO L87 Difference]: Start difference. First operand 359 states and 404 transitions. Second operand has 4 states, 3 states have (on average 32.0) internal successors, (96), 4 states have internal predecessors, (96), 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) [2025-02-06 14:26:05,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:26:05,180 INFO L93 Difference]: Finished difference Result 359 states and 404 transitions. [2025-02-06 14:26:05,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 14:26:05,181 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 32.0) internal successors, (96), 4 states have internal predecessors, (96), 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 122 [2025-02-06 14:26:05,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:26:05,182 INFO L225 Difference]: With dead ends: 359 [2025-02-06 14:26:05,183 INFO L226 Difference]: Without dead ends: 358 [2025-02-06 14:26:05,183 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:26:05,183 INFO L435 NwaCegarLoop]: 28 mSDtfsCounter, 108 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:26:05,184 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 41 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:26:05,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2025-02-06 14:26:05,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 358. [2025-02-06 14:26:05,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 358 states, 313 states have (on average 1.2236421725239617) internal successors, (383), 346 states have internal predecessors, (383), 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) [2025-02-06 14:26:05,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 401 transitions. [2025-02-06 14:26:05,197 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 401 transitions. Word has length 122 [2025-02-06 14:26:05,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:26:05,198 INFO L471 AbstractCegarLoop]: Abstraction has 358 states and 401 transitions. [2025-02-06 14:26:05,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 32.0) internal successors, (96), 4 states have internal predecessors, (96), 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) [2025-02-06 14:26:05,198 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 401 transitions. [2025-02-06 14:26:05,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2025-02-06 14:26:05,199 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:26:05,199 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:26:05,199 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-02-06 14:26:05,199 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr80ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2025-02-06 14:26:05,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:26:05,199 INFO L85 PathProgramCache]: Analyzing trace with hash 396016055, now seen corresponding path program 1 times [2025-02-06 14:26:05,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:26:05,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533311259] [2025-02-06 14:26:05,199 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:26:05,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:26:05,206 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 124 statements into 1 equivalence classes. [2025-02-06 14:26:05,218 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 124 of 124 statements. [2025-02-06 14:26:05,219 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:26:05,219 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:26:05,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1932029002] [2025-02-06 14:26:05,222 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:26:05,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:26:05,222 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:26:05,224 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:26:05,226 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-02-06 14:26:05,253 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 124 statements into 1 equivalence classes. [2025-02-06 14:26:05,273 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 124 of 124 statements. [2025-02-06 14:26:05,273 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:26:05,273 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:26:05,274 INFO L256 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-06 14:26:05,275 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:26:05,397 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-06 14:26:05,397 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:26:05,573 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-06 14:26:05,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:26:05,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533311259] [2025-02-06 14:26:05,573 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:26:05,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1932029002] [2025-02-06 14:26:05,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1932029002] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:26:05,574 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 14:26:05,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2025-02-06 14:26:05,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066207746] [2025-02-06 14:26:05,574 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 14:26:05,574 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 14:26:05,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:26:05,575 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 14:26:05,575 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-02-06 14:26:05,575 INFO L87 Difference]: Start difference. First operand 358 states and 401 transitions. Second operand has 8 states, 7 states have (on average 30.285714285714285) internal successors, (212), 8 states have internal predecessors, (212), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2025-02-06 14:26:06,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:26:06,114 INFO L93 Difference]: Finished difference Result 419 states and 454 transitions. [2025-02-06 14:26:06,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 14:26:06,115 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 30.285714285714285) internal successors, (212), 8 states have internal predecessors, (212), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 124 [2025-02-06 14:26:06,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:26:06,116 INFO L225 Difference]: With dead ends: 419 [2025-02-06 14:26:06,117 INFO L226 Difference]: Without dead ends: 389 [2025-02-06 14:26:06,117 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2025-02-06 14:26:06,117 INFO L435 NwaCegarLoop]: 49 mSDtfsCounter, 346 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 700 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 349 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 736 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 700 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-06 14:26:06,117 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [349 Valid, 151 Invalid, 736 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 700 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-06 14:26:06,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2025-02-06 14:26:06,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 342. [2025-02-06 14:26:06,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 302 states have (on average 1.1655629139072847) internal successors, (352), 331 states have internal predecessors, (352), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-06 14:26:06,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 368 transitions. [2025-02-06 14:26:06,131 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 368 transitions. Word has length 124 [2025-02-06 14:26:06,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:26:06,131 INFO L471 AbstractCegarLoop]: Abstraction has 342 states and 368 transitions. [2025-02-06 14:26:06,132 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 30.285714285714285) internal successors, (212), 8 states have internal predecessors, (212), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2025-02-06 14:26:06,132 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 368 transitions. [2025-02-06 14:26:06,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2025-02-06 14:26:06,133 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:26:06,133 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:26:06,141 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2025-02-06 14:26:06,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-02-06 14:26:06,334 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2025-02-06 14:26:06,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:26:06,334 INFO L85 PathProgramCache]: Analyzing trace with hash 773652483, now seen corresponding path program 1 times [2025-02-06 14:26:06,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:26:06,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324767857] [2025-02-06 14:26:06,335 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:26:06,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:26:06,341 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 147 statements into 1 equivalence classes. [2025-02-06 14:26:06,352 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 147 of 147 statements. [2025-02-06 14:26:06,352 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:26:06,352 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:26:06,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [999207409] [2025-02-06 14:26:06,353 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:26:06,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:26:06,353 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:26:06,355 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:26:06,358 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-02-06 14:26:06,381 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 147 statements into 1 equivalence classes. [2025-02-06 14:26:06,402 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 147 of 147 statements. [2025-02-06 14:26:06,402 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:26:06,402 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:26:06,403 INFO L256 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-06 14:26:06,404 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:26:06,744 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-02-06 14:26:06,745 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:26:07,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:26:07,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324767857] [2025-02-06 14:26:07,450 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:26:07,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [999207409] [2025-02-06 14:26:07,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [999207409] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:26:07,450 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:26:07,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2025-02-06 14:26:07,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24296940] [2025-02-06 14:26:07,450 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:26:07,450 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 14:26:07,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:26:07,451 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 14:26:07,451 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2025-02-06 14:26:07,451 INFO L87 Difference]: Start difference. First operand 342 states and 368 transitions. Second operand has 7 states, 6 states have (on average 21.333333333333332) internal successors, (128), 7 states have internal predecessors, (128), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2025-02-06 14:26:07,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:26:07,732 INFO L93 Difference]: Finished difference Result 380 states and 407 transitions. [2025-02-06 14:26:07,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 14:26:07,733 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 21.333333333333332) internal successors, (128), 7 states have internal predecessors, (128), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 147 [2025-02-06 14:26:07,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:26:07,734 INFO L225 Difference]: With dead ends: 380 [2025-02-06 14:26:07,734 INFO L226 Difference]: Without dead ends: 379 [2025-02-06 14:26:07,735 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 231 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2025-02-06 14:26:07,735 INFO L435 NwaCegarLoop]: 92 mSDtfsCounter, 22 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 438 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 438 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 14:26:07,735 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 343 Invalid, 439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 438 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 14:26:07,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2025-02-06 14:26:07,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 378. [2025-02-06 14:26:07,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 378 states, 337 states have (on average 1.1483679525222552) internal successors, (387), 366 states have internal predecessors, (387), 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) [2025-02-06 14:26:07,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 405 transitions. [2025-02-06 14:26:07,760 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 405 transitions. Word has length 147 [2025-02-06 14:26:07,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:26:07,761 INFO L471 AbstractCegarLoop]: Abstraction has 378 states and 405 transitions. [2025-02-06 14:26:07,761 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 21.333333333333332) internal successors, (128), 7 states have internal predecessors, (128), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2025-02-06 14:26:07,761 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 405 transitions. [2025-02-06 14:26:07,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2025-02-06 14:26:07,763 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:26:07,763 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:26:07,771 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2025-02-06 14:26:07,964 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,12 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:26:07,964 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2025-02-06 14:26:07,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:26:07,965 INFO L85 PathProgramCache]: Analyzing trace with hash -1786576825, now seen corresponding path program 1 times [2025-02-06 14:26:07,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:26:07,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676354306] [2025-02-06 14:26:07,965 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:26:07,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:26:07,971 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 148 statements into 1 equivalence classes. [2025-02-06 14:26:07,983 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 148 of 148 statements. [2025-02-06 14:26:07,983 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:26:07,984 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:26:07,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [112929095] [2025-02-06 14:26:07,984 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:26:07,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:26:07,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:26:07,986 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:26:07,989 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-02-06 14:26:08,015 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 148 statements into 1 equivalence classes. [2025-02-06 14:26:08,042 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 148 of 148 statements. [2025-02-06 14:26:08,042 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:26:08,042 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:26:08,043 INFO L256 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-06 14:26:08,046 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:26:08,380 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-02-06 14:26:08,380 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:26:09,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:26:09,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676354306] [2025-02-06 14:26:09,098 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:26:09,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [112929095] [2025-02-06 14:26:09,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [112929095] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:26:09,098 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:26:09,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2025-02-06 14:26:09,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159524967] [2025-02-06 14:26:09,098 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:26:09,099 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 14:26:09,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:26:09,100 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 14:26:09,100 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2025-02-06 14:26:09,100 INFO L87 Difference]: Start difference. First operand 378 states and 405 transitions. Second operand has 7 states, 6 states have (on average 21.5) internal successors, (129), 7 states have internal predecessors, (129), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2025-02-06 14:26:09,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:26:09,372 INFO L93 Difference]: Finished difference Result 380 states and 406 transitions. [2025-02-06 14:26:09,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 14:26:09,372 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 21.5) internal successors, (129), 7 states have internal predecessors, (129), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 148 [2025-02-06 14:26:09,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:26:09,374 INFO L225 Difference]: With dead ends: 380 [2025-02-06 14:26:09,374 INFO L226 Difference]: Without dead ends: 342 [2025-02-06 14:26:09,374 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2025-02-06 14:26:09,375 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 22 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 354 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 14:26:09,375 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 295 Invalid, 355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 354 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 14:26:09,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2025-02-06 14:26:09,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 342. [2025-02-06 14:26:09,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 302 states have (on average 1.1622516556291391) internal successors, (351), 331 states have internal predecessors, (351), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-06 14:26:09,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 367 transitions. [2025-02-06 14:26:09,387 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 367 transitions. Word has length 148 [2025-02-06 14:26:09,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:26:09,387 INFO L471 AbstractCegarLoop]: Abstraction has 342 states and 367 transitions. [2025-02-06 14:26:09,387 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 21.5) internal successors, (129), 7 states have internal predecessors, (129), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2025-02-06 14:26:09,387 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 367 transitions. [2025-02-06 14:26:09,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2025-02-06 14:26:09,388 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:26:09,389 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:26:09,396 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2025-02-06 14:26:09,589 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:26:09,589 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2025-02-06 14:26:09,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:26:09,590 INFO L85 PathProgramCache]: Analyzing trace with hash -5965525, now seen corresponding path program 1 times [2025-02-06 14:26:09,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:26:09,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663442766] [2025-02-06 14:26:09,590 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:26:09,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:26:09,598 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 167 statements into 1 equivalence classes. [2025-02-06 14:26:09,616 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 167 of 167 statements. [2025-02-06 14:26:09,620 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:26:09,620 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:26:09,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [432816484] [2025-02-06 14:26:09,621 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:26:09,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:26:09,621 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:26:09,623 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:26:09,626 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-02-06 14:26:09,652 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 167 statements into 1 equivalence classes. [2025-02-06 14:26:09,691 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 167 of 167 statements. [2025-02-06 14:26:09,691 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:26:09,691 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:26:09,692 INFO L256 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 14:26:09,694 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:26:09,848 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-02-06 14:26:09,848 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:26:09,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:26:09,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663442766] [2025-02-06 14:26:09,848 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:26:09,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [432816484] [2025-02-06 14:26:09,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [432816484] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:26:09,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:26:09,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 14:26:09,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025221658] [2025-02-06 14:26:09,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:26:09,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 14:26:09,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:26:09,849 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 14:26:09,849 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-02-06 14:26:09,849 INFO L87 Difference]: Start difference. First operand 342 states and 367 transitions. Second operand has 6 states, 5 states have (on average 29.6) internal successors, (148), 6 states have internal predecessors, (148), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2025-02-06 14:26:10,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:26:10,120 INFO L93 Difference]: Finished difference Result 352 states and 379 transitions. [2025-02-06 14:26:10,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 14:26:10,120 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 29.6) internal successors, (148), 6 states have internal predecessors, (148), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 167 [2025-02-06 14:26:10,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:26:10,122 INFO L225 Difference]: With dead ends: 352 [2025-02-06 14:26:10,122 INFO L226 Difference]: Without dead ends: 339 [2025-02-06 14:26:10,122 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-02-06 14:26:10,122 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 157 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 529 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 14:26:10,123 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 113 Invalid, 542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 529 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 14:26:10,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2025-02-06 14:26:10,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 326. [2025-02-06 14:26:10,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326 states, 299 states have (on average 1.0969899665551839) internal successors, (328), 315 states have internal predecessors, (328), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-06 14:26:10,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 344 transitions. [2025-02-06 14:26:10,140 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 344 transitions. Word has length 167 [2025-02-06 14:26:10,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:26:10,140 INFO L471 AbstractCegarLoop]: Abstraction has 326 states and 344 transitions. [2025-02-06 14:26:10,140 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 29.6) internal successors, (148), 6 states have internal predecessors, (148), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2025-02-06 14:26:10,141 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 344 transitions. [2025-02-06 14:26:10,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2025-02-06 14:26:10,142 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:26:10,142 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:26:10,149 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2025-02-06 14:26:10,342 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:26:10,343 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2025-02-06 14:26:10,343 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:26:10,343 INFO L85 PathProgramCache]: Analyzing trace with hash -184931216, now seen corresponding path program 1 times [2025-02-06 14:26:10,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:26:10,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603944228] [2025-02-06 14:26:10,344 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:26:10,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:26:10,351 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 168 statements into 1 equivalence classes. [2025-02-06 14:26:10,373 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 168 of 168 statements. [2025-02-06 14:26:10,373 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:26:10,373 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:26:10,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1706497750] [2025-02-06 14:26:10,374 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:26:10,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:26:10,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:26:10,376 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:26:10,378 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-02-06 14:26:10,405 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 168 statements into 1 equivalence classes. [2025-02-06 14:26:10,446 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 168 of 168 statements. [2025-02-06 14:26:10,447 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:26:10,447 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:26:10,448 INFO L256 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 14:26:10,450 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:26:10,609 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 139 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-02-06 14:26:10,610 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:26:10,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:26:10,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603944228] [2025-02-06 14:26:10,664 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:26:10,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1706497750] [2025-02-06 14:26:10,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1706497750] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:26:10,664 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:26:10,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-02-06 14:26:10,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116182193] [2025-02-06 14:26:10,665 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:26:10,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 14:26:10,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:26:10,666 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 14:26:10,666 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2025-02-06 14:26:10,666 INFO L87 Difference]: Start difference. First operand 326 states and 344 transitions. Second operand has 6 states, 5 states have (on average 29.8) internal successors, (149), 6 states have internal predecessors, (149), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2025-02-06 14:26:10,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:26:10,988 INFO L93 Difference]: Finished difference Result 382 states and 404 transitions. [2025-02-06 14:26:10,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 14:26:10,988 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 29.8) internal successors, (149), 6 states have internal predecessors, (149), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 168 [2025-02-06 14:26:10,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:26:10,992 INFO L225 Difference]: With dead ends: 382 [2025-02-06 14:26:10,992 INFO L226 Difference]: Without dead ends: 379 [2025-02-06 14:26:10,992 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2025-02-06 14:26:10,993 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 153 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 425 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 14:26:10,994 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 100 Invalid, 428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 425 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 14:26:10,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2025-02-06 14:26:11,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 326. [2025-02-06 14:26:11,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326 states, 299 states have (on average 1.0869565217391304) internal successors, (325), 315 states have internal predecessors, (325), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-06 14:26:11,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 341 transitions. [2025-02-06 14:26:11,009 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 341 transitions. Word has length 168 [2025-02-06 14:26:11,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:26:11,009 INFO L471 AbstractCegarLoop]: Abstraction has 326 states and 341 transitions. [2025-02-06 14:26:11,009 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 29.8) internal successors, (149), 6 states have internal predecessors, (149), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2025-02-06 14:26:11,009 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 341 transitions. [2025-02-06 14:26:11,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2025-02-06 14:26:11,011 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:26:11,011 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:26:11,018 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2025-02-06 14:26:11,211 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2025-02-06 14:26:11,212 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2025-02-06 14:26:11,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:26:11,212 INFO L85 PathProgramCache]: Analyzing trace with hash -1625237618, now seen corresponding path program 1 times [2025-02-06 14:26:11,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:26:11,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851761593] [2025-02-06 14:26:11,212 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:26:11,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:26:11,220 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 170 statements into 1 equivalence classes. [2025-02-06 14:26:11,244 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 170 of 170 statements. [2025-02-06 14:26:11,245 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:26:11,245 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:26:11,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1278004253] [2025-02-06 14:26:11,248 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:26:11,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:26:11,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:26:11,250 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:26:11,253 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-02-06 14:26:11,276 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 170 statements into 1 equivalence classes. [2025-02-06 14:26:11,316 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 170 of 170 statements. [2025-02-06 14:26:11,316 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:26:11,316 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:26:11,317 INFO L256 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-06 14:26:11,319 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:26:11,491 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 143 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-02-06 14:26:11,492 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:26:11,781 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 143 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-02-06 14:26:11,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:26:11,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851761593] [2025-02-06 14:26:11,781 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:26:11,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1278004253] [2025-02-06 14:26:11,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1278004253] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:26:11,781 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 14:26:11,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2025-02-06 14:26:11,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244908536] [2025-02-06 14:26:11,781 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 14:26:11,781 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-06 14:26:11,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:26:11,782 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-06 14:26:11,782 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2025-02-06 14:26:11,782 INFO L87 Difference]: Start difference. First operand 326 states and 341 transitions. Second operand has 10 states, 9 states have (on average 32.666666666666664) internal successors, (294), 10 states have internal predecessors, (294), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2025-02-06 14:26:12,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:26:12,260 INFO L93 Difference]: Finished difference Result 400 states and 423 transitions. [2025-02-06 14:26:12,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-06 14:26:12,261 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 32.666666666666664) internal successors, (294), 10 states have internal predecessors, (294), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) Word has length 170 [2025-02-06 14:26:12,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:26:12,262 INFO L225 Difference]: With dead ends: 400 [2025-02-06 14:26:12,262 INFO L226 Difference]: Without dead ends: 389 [2025-02-06 14:26:12,262 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 340 GetRequests, 330 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2025-02-06 14:26:12,263 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 551 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 996 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 554 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 1025 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 996 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 14:26:12,263 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [554 Valid, 224 Invalid, 1025 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 996 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 14:26:12,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2025-02-06 14:26:12,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 313. [2025-02-06 14:26:12,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 293 states have (on average 1.0477815699658704) internal successors, (307), 302 states have internal predecessors, (307), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-06 14:26:12,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 323 transitions. [2025-02-06 14:26:12,281 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 323 transitions. Word has length 170 [2025-02-06 14:26:12,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:26:12,282 INFO L471 AbstractCegarLoop]: Abstraction has 313 states and 323 transitions. [2025-02-06 14:26:12,282 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 32.666666666666664) internal successors, (294), 10 states have internal predecessors, (294), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2025-02-06 14:26:12,282 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 323 transitions. [2025-02-06 14:26:12,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2025-02-06 14:26:12,283 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:26:12,283 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:26:12,291 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2025-02-06 14:26:12,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,16 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:26:12,484 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2025-02-06 14:26:12,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:26:12,484 INFO L85 PathProgramCache]: Analyzing trace with hash 1514746540, now seen corresponding path program 1 times [2025-02-06 14:26:12,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:26:12,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777124677] [2025-02-06 14:26:12,484 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:26:12,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:26:12,492 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 172 statements into 1 equivalence classes. [2025-02-06 14:26:12,506 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 172 of 172 statements. [2025-02-06 14:26:12,509 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:26:12,510 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:26:12,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [254418440] [2025-02-06 14:26:12,511 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:26:12,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:26:12,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:26:12,513 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:26:12,515 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-02-06 14:26:12,540 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 172 statements into 1 equivalence classes. [2025-02-06 14:26:12,577 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 172 of 172 statements. [2025-02-06 14:26:12,577 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:26:12,577 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:26:12,578 INFO L256 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-02-06 14:26:12,580 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:26:12,916 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 0 proven. 147 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-02-06 14:26:12,916 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:26:13,210 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 0 proven. 147 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-02-06 14:26:13,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:26:13,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777124677] [2025-02-06 14:26:13,211 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:26:13,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [254418440] [2025-02-06 14:26:13,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [254418440] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:26:13,211 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 14:26:13,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2025-02-06 14:26:13,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510714353] [2025-02-06 14:26:13,211 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 14:26:13,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-02-06 14:26:13,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:26:13,212 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-02-06 14:26:13,212 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2025-02-06 14:26:13,213 INFO L87 Difference]: Start difference. First operand 313 states and 323 transitions. Second operand has 14 states, 13 states have (on average 22.923076923076923) internal successors, (298), 14 states have internal predecessors, (298), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2025-02-06 14:26:14,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:26:14,072 INFO L93 Difference]: Finished difference Result 554 states and 590 transitions. [2025-02-06 14:26:14,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-02-06 14:26:14,072 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 22.923076923076923) internal successors, (298), 14 states have internal predecessors, (298), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) Word has length 172 [2025-02-06 14:26:14,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:26:14,074 INFO L225 Difference]: With dead ends: 554 [2025-02-06 14:26:14,074 INFO L226 Difference]: Without dead ends: 553 [2025-02-06 14:26:14,075 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 346 GetRequests, 330 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=127, Invalid=179, Unknown=0, NotChecked=0, Total=306 [2025-02-06 14:26:14,075 INFO L435 NwaCegarLoop]: 36 mSDtfsCounter, 462 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 1538 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 463 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 1557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1538 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-02-06 14:26:14,075 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [463 Valid, 187 Invalid, 1557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1538 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-02-06 14:26:14,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 553 states. [2025-02-06 14:26:14,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 553 to 421. [2025-02-06 14:26:14,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 399 states have (on average 1.06265664160401) internal successors, (424), 408 states have internal predecessors, (424), 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) [2025-02-06 14:26:14,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 444 transitions. [2025-02-06 14:26:14,097 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 444 transitions. Word has length 172 [2025-02-06 14:26:14,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:26:14,098 INFO L471 AbstractCegarLoop]: Abstraction has 421 states and 444 transitions. [2025-02-06 14:26:14,098 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 22.923076923076923) internal successors, (298), 14 states have internal predecessors, (298), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2025-02-06 14:26:14,098 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 444 transitions. [2025-02-06 14:26:14,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2025-02-06 14:26:14,099 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:26:14,099 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:26:14,108 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2025-02-06 14:26:14,299 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,17 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:26:14,300 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2025-02-06 14:26:14,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:26:14,300 INFO L85 PathProgramCache]: Analyzing trace with hash -1957737224, now seen corresponding path program 2 times [2025-02-06 14:26:14,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:26:14,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079334819] [2025-02-06 14:26:14,300 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 14:26:14,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:26:14,312 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 200 statements into 2 equivalence classes. [2025-02-06 14:26:14,329 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 200 of 200 statements. [2025-02-06 14:26:14,330 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 14:26:14,330 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:26:14,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1262353541] [2025-02-06 14:26:14,331 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 14:26:14,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:26:14,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:26:14,333 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:26:14,336 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2025-02-06 14:26:14,364 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 200 statements into 2 equivalence classes. [2025-02-06 14:26:14,380 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 49 of 200 statements. [2025-02-06 14:26:14,380 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-06 14:26:14,380 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:26:14,381 INFO L256 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 14:26:14,383 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:26:14,995 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2025-02-06 14:26:14,996 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:26:14,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:26:14,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079334819] [2025-02-06 14:26:14,996 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:26:14,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1262353541] [2025-02-06 14:26:14,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1262353541] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:26:14,996 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:26:14,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 14:26:14,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110373995] [2025-02-06 14:26:14,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:26:14,997 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 14:26:14,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:26:14,997 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 14:26:14,997 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-02-06 14:26:14,998 INFO L87 Difference]: Start difference. First operand 421 states and 444 transitions. Second operand has 5 states, 4 states have (on average 28.5) internal successors, (114), 5 states have internal predecessors, (114), 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) [2025-02-06 14:26:15,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:26:15,128 INFO L93 Difference]: Finished difference Result 421 states and 444 transitions. [2025-02-06 14:26:15,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 14:26:15,129 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 28.5) internal successors, (114), 5 states have internal predecessors, (114), 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 200 [2025-02-06 14:26:15,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:26:15,130 INFO L225 Difference]: With dead ends: 421 [2025-02-06 14:26:15,130 INFO L226 Difference]: Without dead ends: 382 [2025-02-06 14:26:15,130 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-02-06 14:26:15,131 INFO L435 NwaCegarLoop]: 26 mSDtfsCounter, 39 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:26:15,131 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 37 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:26:15,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2025-02-06 14:26:15,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 382. [2025-02-06 14:26:15,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 382 states, 363 states have (on average 1.0578512396694215) internal successors, (384), 370 states have internal predecessors, (384), 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) [2025-02-06 14:26:15,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 402 transitions. [2025-02-06 14:26:15,156 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 402 transitions. Word has length 200 [2025-02-06 14:26:15,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:26:15,157 INFO L471 AbstractCegarLoop]: Abstraction has 382 states and 402 transitions. [2025-02-06 14:26:15,157 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 28.5) internal successors, (114), 5 states have internal predecessors, (114), 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) [2025-02-06 14:26:15,157 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 402 transitions. [2025-02-06 14:26:15,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2025-02-06 14:26:15,158 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:26:15,158 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:26:15,165 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2025-02-06 14:26:15,362 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,18 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:26:15,362 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2025-02-06 14:26:15,362 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:26:15,363 INFO L85 PathProgramCache]: Analyzing trace with hash 1576596168, now seen corresponding path program 2 times [2025-02-06 14:26:15,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:26:15,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915121860] [2025-02-06 14:26:15,363 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 14:26:15,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:26:15,370 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 203 statements into 2 equivalence classes. [2025-02-06 14:26:15,384 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 203 of 203 statements. [2025-02-06 14:26:15,384 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 14:26:15,384 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:26:15,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [282342602] [2025-02-06 14:26:15,385 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 14:26:15,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:26:15,385 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:26:15,387 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:26:15,390 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2025-02-06 14:26:15,417 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 203 statements into 2 equivalence classes. [2025-02-06 14:26:15,458 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 203 of 203 statements. [2025-02-06 14:26:15,459 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 14:26:15,459 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:26:15,460 INFO L256 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-02-06 14:26:15,463 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:26:15,896 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 3 proven. 243 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-02-06 14:26:15,896 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:26:17,203 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 3 proven. 243 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-02-06 14:26:17,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:26:17,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915121860] [2025-02-06 14:26:17,204 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:26:17,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [282342602] [2025-02-06 14:26:17,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [282342602] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:26:17,204 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 14:26:17,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 19 [2025-02-06 14:26:17,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651036644] [2025-02-06 14:26:17,204 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 14:26:17,205 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-02-06 14:26:17,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:26:17,205 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-02-06 14:26:17,205 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=279, Unknown=0, NotChecked=0, Total=380 [2025-02-06 14:26:17,205 INFO L87 Difference]: Start difference. First operand 382 states and 402 transitions. Second operand has 20 states, 19 states have (on average 19.210526315789473) internal successors, (365), 20 states have internal predecessors, (365), 7 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2025-02-06 14:26:19,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-02-06 14:26:24,349 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-02-06 14:26:42,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-02-06 14:26:43,341 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-02-06 14:26:45,324 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers []