./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 551b0097 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/hard-ll_valuebound100.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 e3523bc8254ad35e64aad06fd6e3c84672a9aa19521e18482795d6584edb45d0 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-10 02:12:23,797 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-10 02:12:23,850 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-01-10 02:12:23,860 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-10 02:12:23,861 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-10 02:12:23,880 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-10 02:12:23,881 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-10 02:12:23,881 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-10 02:12:23,882 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-10 02:12:23,882 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-10 02:12:23,883 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-10 02:12:23,883 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-10 02:12:23,883 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-10 02:12:23,883 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-10 02:12:23,883 INFO L153 SettingsManager]: * Use SBE=true [2025-01-10 02:12:23,883 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-10 02:12:23,883 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-10 02:12:23,883 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-10 02:12:23,883 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-10 02:12:23,883 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-10 02:12:23,883 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-10 02:12:23,883 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-10 02:12:23,883 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-10 02:12:23,883 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-10 02:12:23,883 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-01-10 02:12:23,883 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-10 02:12:23,883 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-10 02:12:23,883 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-10 02:12:23,884 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-10 02:12:23,884 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-10 02:12:23,884 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-10 02:12:23,884 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 02:12:23,884 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 02:12:23,884 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 02:12:23,884 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 02:12:23,884 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-10 02:12:23,884 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 02:12:23,884 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 02:12:23,884 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 02:12:23,884 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 02:12:23,884 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-10 02:12:23,884 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-10 02:12:23,884 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-10 02:12:23,884 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-10 02:12:23,884 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-10 02:12:23,884 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-10 02:12:23,884 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-10 02:12:23,884 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-10 02:12:23,884 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-10 02:12:23,884 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-10 02:12:23,884 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 -> e3523bc8254ad35e64aad06fd6e3c84672a9aa19521e18482795d6584edb45d0 [2025-01-10 02:12:24,083 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-10 02:12:24,090 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-10 02:12:24,093 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-10 02:12:24,094 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-10 02:12:24,094 INFO L274 PluginConnector]: CDTParser initialized [2025-01-10 02:12:24,095 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound100.c [2025-01-10 02:12:25,192 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/82b807995/6c798e023b594298a5ec0d36b8d21cbf/FLAGd9698bb47 [2025-01-10 02:12:25,402 INFO L384 CDTParser]: Found 1 translation units. [2025-01-10 02:12:25,402 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound100.c [2025-01-10 02:12:25,408 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/82b807995/6c798e023b594298a5ec0d36b8d21cbf/FLAGd9698bb47 [2025-01-10 02:12:25,756 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/82b807995/6c798e023b594298a5ec0d36b8d21cbf [2025-01-10 02:12:25,759 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-10 02:12:25,760 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-10 02:12:25,761 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-10 02:12:25,761 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-10 02:12:25,766 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-10 02:12:25,767 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 02:12:25" (1/1) ... [2025-01-10 02:12:25,768 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5768738b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:12:25, skipping insertion in model container [2025-01-10 02:12:25,768 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 02:12:25" (1/1) ... [2025-01-10 02:12:25,779 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 02:12:25,877 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 02:12:25,883 INFO L200 MainTranslator]: Completed pre-run [2025-01-10 02:12:25,898 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 02:12:25,911 INFO L204 MainTranslator]: Completed translation [2025-01-10 02:12:25,913 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:12:25 WrapperNode [2025-01-10 02:12:25,914 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-10 02:12:25,914 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-10 02:12:25,915 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-10 02:12:25,915 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-10 02:12:25,919 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:12:25" (1/1) ... [2025-01-10 02:12:25,928 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:12:25" (1/1) ... [2025-01-10 02:12:25,942 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 80 [2025-01-10 02:12:25,943 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-10 02:12:25,943 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-10 02:12:25,943 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-10 02:12:25,943 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-10 02:12:25,948 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:12:25" (1/1) ... [2025-01-10 02:12:25,949 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:12:25" (1/1) ... [2025-01-10 02:12:25,950 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:12:25" (1/1) ... [2025-01-10 02:12:25,956 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]. [2025-01-10 02:12:25,956 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:12:25" (1/1) ... [2025-01-10 02:12:25,956 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:12:25" (1/1) ... [2025-01-10 02:12:25,958 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:12:25" (1/1) ... [2025-01-10 02:12:25,959 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:12:25" (1/1) ... [2025-01-10 02:12:25,960 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:12:25" (1/1) ... [2025-01-10 02:12:25,961 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:12:25" (1/1) ... [2025-01-10 02:12:25,961 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:12:25" (1/1) ... [2025-01-10 02:12:25,962 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-10 02:12:25,964 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-10 02:12:25,964 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-10 02:12:25,964 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-10 02:12:25,964 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:12:25" (1/1) ... [2025-01-10 02:12:25,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 02:12:25,975 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:12:25,986 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) [2025-01-10 02:12:25,988 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 [2025-01-10 02:12:26,003 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-10 02:12:26,003 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-10 02:12:26,003 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-10 02:12:26,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-10 02:12:26,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-10 02:12:26,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-10 02:12:26,003 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-10 02:12:26,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-10 02:12:26,040 INFO L234 CfgBuilder]: Building ICFG [2025-01-10 02:12:26,041 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-10 02:12:26,283 INFO L? ?]: Removed 50 outVars from TransFormulas that were not future-live. [2025-01-10 02:12:26,283 INFO L283 CfgBuilder]: Performing block encoding [2025-01-10 02:12:26,289 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-10 02:12:26,290 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2025-01-10 02:12:26,290 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 02:12:26 BoogieIcfgContainer [2025-01-10 02:12:26,290 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-10 02:12:26,291 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-10 02:12:26,291 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-10 02:12:26,294 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-10 02:12:26,295 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 02:12:25" (1/3) ... [2025-01-10 02:12:26,295 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3214a9f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 02:12:26, skipping insertion in model container [2025-01-10 02:12:26,295 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:12:25" (2/3) ... [2025-01-10 02:12:26,296 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3214a9f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 02:12:26, skipping insertion in model container [2025-01-10 02:12:26,296 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 02:12:26" (3/3) ... [2025-01-10 02:12:26,297 INFO L128 eAbstractionObserver]: Analyzing ICFG hard-ll_valuebound100.c [2025-01-10 02:12:26,308 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-10 02:12:26,309 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hard-ll_valuebound100.c that has 3 procedures, 79 locations, 1 initial locations, 2 loop locations, and 24 error locations. [2025-01-10 02:12:26,349 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-10 02:12:26,359 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;@41a054e0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-10 02:12:26,359 INFO L334 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2025-01-10 02:12:26,362 INFO L276 IsEmpty]: Start isEmpty. Operand has 79 states, 43 states have (on average 1.697674418604651) internal successors, (73), 66 states have internal predecessors, (73), 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) [2025-01-10 02:12:26,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2025-01-10 02:12:26,366 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:12:26,367 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:12:26,367 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 02:12:26,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:12:26,370 INFO L85 PathProgramCache]: Analyzing trace with hash -62045149, now seen corresponding path program 1 times [2025-01-10 02:12:26,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:12:26,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154774038] [2025-01-10 02:12:26,378 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:26,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:12:26,423 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-01-10 02:12:26,436 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-01-10 02:12:26,437 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:26,437 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:12:26,472 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-01-10 02:12:26,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:12:26,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154774038] [2025-01-10 02:12:26,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1154774038] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:12:26,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [865543738] [2025-01-10 02:12:26,475 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:26,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:12:26,475 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:12:26,477 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) [2025-01-10 02:12:26,478 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 [2025-01-10 02:12:26,504 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-01-10 02:12:26,520 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-01-10 02:12:26,520 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:26,520 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:12:26,523 INFO L256 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-10 02:12:26,525 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:12:26,532 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-01-10 02:12:26,532 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:12:26,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [865543738] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:12:26,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:12:26,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-01-10 02:12:26,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799114763] [2025-01-10 02:12:26,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:12:26,537 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-10 02:12:26,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:12:26,548 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-10 02:12:26,548 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-10 02:12:26,549 INFO L87 Difference]: Start difference. First operand has 79 states, 43 states have (on average 1.697674418604651) internal successors, (73), 66 states have internal predecessors, (73), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2025-01-10 02:12:26,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:12:26,564 INFO L93 Difference]: Finished difference Result 154 states and 191 transitions. [2025-01-10 02:12:26,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-10 02:12:26,566 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 21 [2025-01-10 02:12:26,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:12:26,570 INFO L225 Difference]: With dead ends: 154 [2025-01-10 02:12:26,571 INFO L226 Difference]: Without dead ends: 71 [2025-01-10 02:12:26,573 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-10 02:12:26,575 INFO L435 NwaCegarLoop]: 88 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, 88 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 [2025-01-10 02:12:26,576 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:12:26,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2025-01-10 02:12:26,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2025-01-10 02:12:26,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 37 states have (on average 1.7027027027027026) internal successors, (63), 60 states have internal predecessors, (63), 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) [2025-01-10 02:12:26,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 79 transitions. [2025-01-10 02:12:26,605 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 79 transitions. Word has length 21 [2025-01-10 02:12:26,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:12:26,606 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 79 transitions. [2025-01-10 02:12:26,606 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2025-01-10 02:12:26,606 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 79 transitions. [2025-01-10 02:12:26,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2025-01-10 02:12:26,607 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:12:26,607 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:12:26,613 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-01-10 02:12:26,808 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 [2025-01-10 02:12:26,808 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 02:12:26,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:12:26,809 INFO L85 PathProgramCache]: Analyzing trace with hash 495398440, now seen corresponding path program 1 times [2025-01-10 02:12:26,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:12:26,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435913034] [2025-01-10 02:12:26,809 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:26,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:12:26,817 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-01-10 02:12:26,837 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-01-10 02:12:26,837 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:26,837 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:12:26,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1063610417] [2025-01-10 02:12:26,839 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:26,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:12:26,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:12:26,841 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) [2025-01-10 02:12:26,842 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 [2025-01-10 02:12:26,872 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-01-10 02:12:26,888 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-01-10 02:12:26,888 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:26,888 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:12:26,889 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 02:12:26,890 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:12:26,917 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-01-10 02:12:26,917 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:12:26,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:12:26,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435913034] [2025-01-10 02:12:26,918 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:12:26,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1063610417] [2025-01-10 02:12:26,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1063610417] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:12:26,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:12:26,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 02:12:26,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891923292] [2025-01-10 02:12:26,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:12:26,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 02:12:26,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:12:26,920 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 02:12:26,920 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 02:12:26,920 INFO L87 Difference]: Start difference. First operand 71 states and 79 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2025-01-10 02:12:26,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:12:26,996 INFO L93 Difference]: Finished difference Result 144 states and 163 transitions. [2025-01-10 02:12:26,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 02:12:26,996 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 30 [2025-01-10 02:12:26,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:12:26,997 INFO L225 Difference]: With dead ends: 144 [2025-01-10 02:12:26,997 INFO L226 Difference]: Without dead ends: 96 [2025-01-10 02:12:26,998 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 02:12:26,998 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 19 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:12:26,999 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 127 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:12:26,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2025-01-10 02:12:27,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 90. [2025-01-10 02:12:27,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 51 states have (on average 1.6470588235294117) internal successors, (84), 74 states have internal predecessors, (84), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2025-01-10 02:12:27,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 110 transitions. [2025-01-10 02:12:27,008 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 110 transitions. Word has length 30 [2025-01-10 02:12:27,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:12:27,009 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 110 transitions. [2025-01-10 02:12:27,009 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2025-01-10 02:12:27,009 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 110 transitions. [2025-01-10 02:12:27,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2025-01-10 02:12:27,010 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:12:27,010 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:12:27,018 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-01-10 02:12:27,210 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:12:27,211 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 02:12:27,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:12:27,211 INFO L85 PathProgramCache]: Analyzing trace with hash -2090455910, now seen corresponding path program 1 times [2025-01-10 02:12:27,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:12:27,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241222546] [2025-01-10 02:12:27,211 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:27,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:12:27,217 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-01-10 02:12:27,231 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-01-10 02:12:27,231 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:27,231 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:12:27,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1188273909] [2025-01-10 02:12:27,235 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:27,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:12:27,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:12:27,238 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) [2025-01-10 02:12:27,239 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 [2025-01-10 02:12:27,282 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-01-10 02:12:27,295 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-01-10 02:12:27,295 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:27,295 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:12:27,296 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 02:12:27,297 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:12:27,319 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:12:27,320 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:12:27,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:12:27,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241222546] [2025-01-10 02:12:27,321 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:12:27,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1188273909] [2025-01-10 02:12:27,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1188273909] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:12:27,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:12:27,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 02:12:27,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331226451] [2025-01-10 02:12:27,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:12:27,321 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 02:12:27,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:12:27,322 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 02:12:27,323 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 02:12:27,324 INFO L87 Difference]: Start difference. First operand 90 states and 110 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-01-10 02:12:27,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:12:27,379 INFO L93 Difference]: Finished difference Result 124 states and 153 transitions. [2025-01-10 02:12:27,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 02:12:27,379 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 38 [2025-01-10 02:12:27,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:12:27,380 INFO L225 Difference]: With dead ends: 124 [2025-01-10 02:12:27,381 INFO L226 Difference]: Without dead ends: 120 [2025-01-10 02:12:27,382 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 02:12:27,382 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 39 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:12:27,383 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 105 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:12:27,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2025-01-10 02:12:27,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 106. [2025-01-10 02:12:27,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 65 states have (on average 1.6307692307692307) internal successors, (106), 88 states have internal predecessors, (106), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-01-10 02:12:27,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 136 transitions. [2025-01-10 02:12:27,396 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 136 transitions. Word has length 38 [2025-01-10 02:12:27,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:12:27,396 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 136 transitions. [2025-01-10 02:12:27,396 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-01-10 02:12:27,397 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 136 transitions. [2025-01-10 02:12:27,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2025-01-10 02:12:27,397 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:12:27,397 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:12:27,403 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-01-10 02:12:27,598 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:12:27,599 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 02:12:27,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:12:27,599 INFO L85 PathProgramCache]: Analyzing trace with hash -2090455861, now seen corresponding path program 1 times [2025-01-10 02:12:27,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:12:27,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835924536] [2025-01-10 02:12:27,599 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:27,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:12:27,605 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-01-10 02:12:27,615 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-01-10 02:12:27,615 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:27,615 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:12:27,715 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:12:27,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:12:27,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835924536] [2025-01-10 02:12:27,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835924536] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:12:27,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:12:27,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 02:12:27,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307964615] [2025-01-10 02:12:27,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:12:27,716 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 02:12:27,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:12:27,716 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 02:12:27,716 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 02:12:27,717 INFO L87 Difference]: Start difference. First operand 106 states and 136 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-01-10 02:12:27,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:12:27,757 INFO L93 Difference]: Finished difference Result 106 states and 136 transitions. [2025-01-10 02:12:27,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 02:12:27,757 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 38 [2025-01-10 02:12:27,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:12:27,759 INFO L225 Difference]: With dead ends: 106 [2025-01-10 02:12:27,760 INFO L226 Difference]: Without dead ends: 104 [2025-01-10 02:12:27,761 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 02:12:27,761 INFO L435 NwaCegarLoop]: 56 mSDtfsCounter, 38 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:12:27,761 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 75 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:12:27,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2025-01-10 02:12:27,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2025-01-10 02:12:27,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 65 states have (on average 1.5692307692307692) internal successors, (102), 86 states have internal predecessors, (102), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-01-10 02:12:27,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 132 transitions. [2025-01-10 02:12:27,768 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 132 transitions. Word has length 38 [2025-01-10 02:12:27,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:12:27,768 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 132 transitions. [2025-01-10 02:12:27,768 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-01-10 02:12:27,768 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 132 transitions. [2025-01-10 02:12:27,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2025-01-10 02:12:27,768 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:12:27,768 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:12:27,768 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-10 02:12:27,769 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 02:12:27,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:12:27,769 INFO L85 PathProgramCache]: Analyzing trace with hash -379622195, now seen corresponding path program 1 times [2025-01-10 02:12:27,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:12:27,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245050501] [2025-01-10 02:12:27,769 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:27,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:12:27,773 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-01-10 02:12:27,786 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-01-10 02:12:27,786 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:27,786 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:12:27,863 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:12:27,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:12:27,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245050501] [2025-01-10 02:12:27,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1245050501] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:12:27,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:12:27,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 02:12:27,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589580557] [2025-01-10 02:12:27,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:12:27,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 02:12:27,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:12:27,865 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 02:12:27,865 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 02:12:27,865 INFO L87 Difference]: Start difference. First operand 104 states and 132 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-01-10 02:12:27,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:12:27,922 INFO L93 Difference]: Finished difference Result 111 states and 137 transitions. [2025-01-10 02:12:27,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 02:12:27,922 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 39 [2025-01-10 02:12:27,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:12:27,923 INFO L225 Difference]: With dead ends: 111 [2025-01-10 02:12:27,923 INFO L226 Difference]: Without dead ends: 110 [2025-01-10 02:12:27,923 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 02:12:27,924 INFO L435 NwaCegarLoop]: 68 mSDtfsCounter, 13 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:12:27,924 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 122 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:12:27,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2025-01-10 02:12:27,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 104. [2025-01-10 02:12:27,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 65 states have (on average 1.5538461538461539) internal successors, (101), 86 states have internal predecessors, (101), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-01-10 02:12:27,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 131 transitions. [2025-01-10 02:12:27,931 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 131 transitions. Word has length 39 [2025-01-10 02:12:27,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:12:27,931 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 131 transitions. [2025-01-10 02:12:27,934 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-01-10 02:12:27,934 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 131 transitions. [2025-01-10 02:12:27,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-01-10 02:12:27,935 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:12:27,935 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:12:27,935 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-10 02:12:27,935 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 02:12:27,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:12:27,935 INFO L85 PathProgramCache]: Analyzing trace with hash 1116567228, now seen corresponding path program 1 times [2025-01-10 02:12:27,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:12:27,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696216165] [2025-01-10 02:12:27,936 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:27,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:12:27,945 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-01-10 02:12:27,955 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-01-10 02:12:27,956 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:27,956 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:12:28,025 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:12:28,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:12:28,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696216165] [2025-01-10 02:12:28,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696216165] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:12:28,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:12:28,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:12:28,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612541930] [2025-01-10 02:12:28,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:12:28,026 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:12:28,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:12:28,029 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:12:28,029 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:12:28,030 INFO L87 Difference]: Start difference. First operand 104 states and 131 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-01-10 02:12:28,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:12:28,161 INFO L93 Difference]: Finished difference Result 118 states and 144 transitions. [2025-01-10 02:12:28,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 02:12:28,162 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 40 [2025-01-10 02:12:28,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:12:28,162 INFO L225 Difference]: With dead ends: 118 [2025-01-10 02:12:28,163 INFO L226 Difference]: Without dead ends: 117 [2025-01-10 02:12:28,163 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-10 02:12:28,164 INFO L435 NwaCegarLoop]: 49 mSDtfsCounter, 82 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:12:28,164 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 103 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:12:28,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2025-01-10 02:12:28,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 107. [2025-01-10 02:12:28,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 68 states have (on average 1.5294117647058822) internal successors, (104), 89 states have internal predecessors, (104), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-01-10 02:12:28,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 134 transitions. [2025-01-10 02:12:28,174 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 134 transitions. Word has length 40 [2025-01-10 02:12:28,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:12:28,175 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 134 transitions. [2025-01-10 02:12:28,175 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-01-10 02:12:28,175 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 134 transitions. [2025-01-10 02:12:28,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2025-01-10 02:12:28,175 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:12:28,175 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:12:28,176 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-01-10 02:12:28,176 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 02:12:28,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:12:28,176 INFO L85 PathProgramCache]: Analyzing trace with hash 253845773, now seen corresponding path program 1 times [2025-01-10 02:12:28,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:12:28,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664854115] [2025-01-10 02:12:28,176 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:28,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:12:28,183 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-01-10 02:12:28,194 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-01-10 02:12:28,195 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:28,195 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:12:28,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1982100628] [2025-01-10 02:12:28,196 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:28,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:12:28,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:12:28,199 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) [2025-01-10 02:12:28,201 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 [2025-01-10 02:12:28,239 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-01-10 02:12:28,251 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-01-10 02:12:28,251 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:28,251 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:12:28,252 INFO L256 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 02:12:28,253 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:12:28,340 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:12:28,340 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:12:28,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:12:28,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664854115] [2025-01-10 02:12:28,341 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:12:28,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1982100628] [2025-01-10 02:12:28,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1982100628] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:12:28,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:12:28,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 02:12:28,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586542255] [2025-01-10 02:12:28,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:12:28,342 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 02:12:28,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:12:28,342 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 02:12:28,342 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 02:12:28,343 INFO L87 Difference]: Start difference. First operand 107 states and 134 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-01-10 02:12:28,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:12:28,415 INFO L93 Difference]: Finished difference Result 118 states and 141 transitions. [2025-01-10 02:12:28,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 02:12:28,416 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 41 [2025-01-10 02:12:28,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:12:28,418 INFO L225 Difference]: With dead ends: 118 [2025-01-10 02:12:28,418 INFO L226 Difference]: Without dead ends: 115 [2025-01-10 02:12:28,418 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 02:12:28,419 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 30 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:12:28,419 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 95 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:12:28,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2025-01-10 02:12:28,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 108. [2025-01-10 02:12:28,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 69 states have (on average 1.4927536231884058) internal successors, (103), 90 states have internal predecessors, (103), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-01-10 02:12:28,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 133 transitions. [2025-01-10 02:12:28,430 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 133 transitions. Word has length 41 [2025-01-10 02:12:28,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:12:28,430 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 133 transitions. [2025-01-10 02:12:28,431 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-01-10 02:12:28,431 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 133 transitions. [2025-01-10 02:12:28,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2025-01-10 02:12:28,431 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:12:28,431 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:12:28,437 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-01-10 02:12:28,636 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,SelfDestructingSolverStorable6 [2025-01-10 02:12:28,636 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 02:12:28,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:12:28,637 INFO L85 PathProgramCache]: Analyzing trace with hash -217514727, now seen corresponding path program 1 times [2025-01-10 02:12:28,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:12:28,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703082434] [2025-01-10 02:12:28,637 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:28,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:12:28,641 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-01-10 02:12:28,653 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-01-10 02:12:28,654 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:28,654 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:12:28,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1783235494] [2025-01-10 02:12:28,654 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:28,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:12:28,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:12:28,658 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) [2025-01-10 02:12:28,660 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 [2025-01-10 02:12:28,680 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-01-10 02:12:28,692 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-01-10 02:12:28,692 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:28,693 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:12:28,693 INFO L256 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-01-10 02:12:28,694 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:12:28,845 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2025-01-10 02:12:28,845 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:12:28,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:12:28,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703082434] [2025-01-10 02:12:28,999 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:12:28,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1783235494] [2025-01-10 02:12:28,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1783235494] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:12:28,999 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:12:28,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-01-10 02:12:28,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462207832] [2025-01-10 02:12:28,999 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:12:28,999 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-10 02:12:28,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:12:29,000 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-10 02:12:29,000 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2025-01-10 02:12:29,000 INFO L87 Difference]: Start difference. First operand 108 states and 133 transitions. Second operand has 8 states, 7 states have (on average 3.0) internal successors, (21), 8 states have internal predecessors, (21), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2025-01-10 02:12:29,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:12:29,304 INFO L93 Difference]: Finished difference Result 123 states and 153 transitions. [2025-01-10 02:12:29,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-10 02:12:29,305 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 3.0) internal successors, (21), 8 states have internal predecessors, (21), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) Word has length 52 [2025-01-10 02:12:29,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:12:29,306 INFO L225 Difference]: With dead ends: 123 [2025-01-10 02:12:29,306 INFO L226 Difference]: Without dead ends: 115 [2025-01-10 02:12:29,307 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2025-01-10 02:12:29,307 INFO L435 NwaCegarLoop]: 44 mSDtfsCounter, 127 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:12:29,308 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 193 Invalid, 292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 266 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:12:29,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2025-01-10 02:12:29,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 113. [2025-01-10 02:12:29,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 76 states have (on average 1.381578947368421) internal successors, (105), 93 states have internal predecessors, (105), 17 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-01-10 02:12:29,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 139 transitions. [2025-01-10 02:12:29,326 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 139 transitions. Word has length 52 [2025-01-10 02:12:29,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:12:29,327 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 139 transitions. [2025-01-10 02:12:29,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 3.0) internal successors, (21), 8 states have internal predecessors, (21), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2025-01-10 02:12:29,327 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 139 transitions. [2025-01-10 02:12:29,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2025-01-10 02:12:29,327 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:12:29,327 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:12:29,333 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 [2025-01-10 02:12:29,528 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:12:29,528 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 02:12:29,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:12:29,530 INFO L85 PathProgramCache]: Analyzing trace with hash 1846978101, now seen corresponding path program 1 times [2025-01-10 02:12:29,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:12:29,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451685977] [2025-01-10 02:12:29,530 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:29,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:12:29,533 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-01-10 02:12:29,539 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-01-10 02:12:29,539 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:29,539 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:12:29,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [420856895] [2025-01-10 02:12:29,540 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:29,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:12:29,540 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:12:29,541 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) [2025-01-10 02:12:29,543 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 [2025-01-10 02:12:29,565 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-01-10 02:12:29,582 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-01-10 02:12:29,583 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:29,583 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:12:29,583 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-01-10 02:12:29,585 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:12:29,714 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2025-01-10 02:12:29,714 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:12:29,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:12:29,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451685977] [2025-01-10 02:12:29,833 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:12:29,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [420856895] [2025-01-10 02:12:29,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [420856895] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:12:29,833 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:12:29,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-01-10 02:12:29,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908298679] [2025-01-10 02:12:29,833 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:12:29,834 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-10 02:12:29,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:12:29,834 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-10 02:12:29,834 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2025-01-10 02:12:29,834 INFO L87 Difference]: Start difference. First operand 113 states and 139 transitions. Second operand has 8 states, 7 states have (on average 3.142857142857143) internal successors, (22), 8 states have internal predecessors, (22), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2025-01-10 02:12:30,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:12:30,134 INFO L93 Difference]: Finished difference Result 180 states and 233 transitions. [2025-01-10 02:12:30,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-10 02:12:30,135 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 3.142857142857143) internal successors, (22), 8 states have internal predecessors, (22), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) Word has length 53 [2025-01-10 02:12:30,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:12:30,137 INFO L225 Difference]: With dead ends: 180 [2025-01-10 02:12:30,137 INFO L226 Difference]: Without dead ends: 176 [2025-01-10 02:12:30,139 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2025-01-10 02:12:30,139 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 146 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:12:30,139 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 299 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 321 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:12:30,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2025-01-10 02:12:30,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 167. [2025-01-10 02:12:30,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 121 states have (on average 1.3884297520661157) internal successors, (168), 138 states have internal predecessors, (168), 26 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-01-10 02:12:30,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 220 transitions. [2025-01-10 02:12:30,158 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 220 transitions. Word has length 53 [2025-01-10 02:12:30,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:12:30,158 INFO L471 AbstractCegarLoop]: Abstraction has 167 states and 220 transitions. [2025-01-10 02:12:30,158 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 3.142857142857143) internal successors, (22), 8 states have internal predecessors, (22), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2025-01-10 02:12:30,159 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 220 transitions. [2025-01-10 02:12:30,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2025-01-10 02:12:30,159 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:12:30,159 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:12:30,166 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-01-10 02:12:30,364 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,SelfDestructingSolverStorable8 [2025-01-10 02:12:30,364 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 02:12:30,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:12:30,364 INFO L85 PathProgramCache]: Analyzing trace with hash 461971118, now seen corresponding path program 1 times [2025-01-10 02:12:30,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:12:30,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139673234] [2025-01-10 02:12:30,364 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:30,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:12:30,368 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 57 statements into 1 equivalence classes. [2025-01-10 02:12:30,371 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 57 of 57 statements. [2025-01-10 02:12:30,371 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:30,371 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:12:30,431 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2025-01-10 02:12:30,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:12:30,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139673234] [2025-01-10 02:12:30,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139673234] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:12:30,432 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:12:30,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:12:30,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876247254] [2025-01-10 02:12:30,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:12:30,432 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:12:30,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:12:30,432 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:12:30,432 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:12:30,432 INFO L87 Difference]: Start difference. First operand 167 states and 220 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-01-10 02:12:30,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:12:30,526 INFO L93 Difference]: Finished difference Result 176 states and 229 transitions. [2025-01-10 02:12:30,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 02:12:30,526 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 57 [2025-01-10 02:12:30,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:12:30,527 INFO L225 Difference]: With dead ends: 176 [2025-01-10 02:12:30,527 INFO L226 Difference]: Without dead ends: 162 [2025-01-10 02:12:30,528 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-10 02:12:30,529 INFO L435 NwaCegarLoop]: 56 mSDtfsCounter, 37 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:12:30,529 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 133 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:12:30,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2025-01-10 02:12:30,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 137. [2025-01-10 02:12:30,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 97 states have (on average 1.443298969072165) internal successors, (140), 114 states have internal predecessors, (140), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-01-10 02:12:30,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 180 transitions. [2025-01-10 02:12:30,541 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 180 transitions. Word has length 57 [2025-01-10 02:12:30,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:12:30,541 INFO L471 AbstractCegarLoop]: Abstraction has 137 states and 180 transitions. [2025-01-10 02:12:30,541 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-01-10 02:12:30,541 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 180 transitions. [2025-01-10 02:12:30,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2025-01-10 02:12:30,542 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:12:30,542 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:12:30,542 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-01-10 02:12:30,542 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 02:12:30,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:12:30,543 INFO L85 PathProgramCache]: Analyzing trace with hash -953623300, now seen corresponding path program 1 times [2025-01-10 02:12:30,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:12:30,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476169133] [2025-01-10 02:12:30,543 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:30,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:12:30,546 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-01-10 02:12:30,550 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-01-10 02:12:30,550 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:30,550 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:12:30,601 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2025-01-10 02:12:30,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:12:30,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476169133] [2025-01-10 02:12:30,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476169133] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:12:30,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [701305635] [2025-01-10 02:12:30,602 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:30,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:12:30,602 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:12:30,604 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) [2025-01-10 02:12:30,605 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 [2025-01-10 02:12:30,626 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-01-10 02:12:30,638 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-01-10 02:12:30,638 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:30,638 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:12:30,639 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 02:12:30,649 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:12:30,679 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2025-01-10 02:12:30,679 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:12:30,745 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2025-01-10 02:12:30,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [701305635] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:12:30,745 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:12:30,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2025-01-10 02:12:30,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151666683] [2025-01-10 02:12:30,745 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:12:30,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-10 02:12:30,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:12:30,746 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 02:12:30,746 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-01-10 02:12:30,746 INFO L87 Difference]: Start difference. First operand 137 states and 180 transitions. Second operand has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2025-01-10 02:12:30,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:12:30,861 INFO L93 Difference]: Finished difference Result 240 states and 312 transitions. [2025-01-10 02:12:30,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 02:12:30,861 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) Word has length 61 [2025-01-10 02:12:30,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:12:30,863 INFO L225 Difference]: With dead ends: 240 [2025-01-10 02:12:30,863 INFO L226 Difference]: Without dead ends: 238 [2025-01-10 02:12:30,864 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-01-10 02:12:30,864 INFO L435 NwaCegarLoop]: 65 mSDtfsCounter, 127 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:12:30,864 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 189 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:12:30,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2025-01-10 02:12:30,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 190. [2025-01-10 02:12:30,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 140 states have (on average 1.4428571428571428) internal successors, (202), 157 states have internal predecessors, (202), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-01-10 02:12:30,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 262 transitions. [2025-01-10 02:12:30,878 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 262 transitions. Word has length 61 [2025-01-10 02:12:30,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:12:30,879 INFO L471 AbstractCegarLoop]: Abstraction has 190 states and 262 transitions. [2025-01-10 02:12:30,879 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2025-01-10 02:12:30,879 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 262 transitions. [2025-01-10 02:12:30,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2025-01-10 02:12:30,879 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:12:30,880 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:12:30,886 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 [2025-01-10 02:12:31,080 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:12:31,080 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 02:12:31,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:12:31,081 INFO L85 PathProgramCache]: Analyzing trace with hash 1977915428, now seen corresponding path program 2 times [2025-01-10 02:12:31,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:12:31,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72700866] [2025-01-10 02:12:31,081 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 02:12:31,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:12:31,086 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 75 statements into 2 equivalence classes. [2025-01-10 02:12:31,096 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 75 of 75 statements. [2025-01-10 02:12:31,096 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 02:12:31,096 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:12:31,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [247731393] [2025-01-10 02:12:31,097 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 02:12:31,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:12:31,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:12:31,099 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) [2025-01-10 02:12:31,100 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 [2025-01-10 02:12:31,120 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 75 statements into 2 equivalence classes. [2025-01-10 02:12:31,136 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 75 of 75 statements. [2025-01-10 02:12:31,137 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 02:12:31,137 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:12:31,138 INFO L256 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-01-10 02:12:31,139 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:12:31,334 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2025-01-10 02:12:31,334 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:12:31,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:12:31,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72700866] [2025-01-10 02:12:31,465 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:12:31,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [247731393] [2025-01-10 02:12:31,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [247731393] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:12:31,465 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:12:31,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2025-01-10 02:12:31,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368781050] [2025-01-10 02:12:31,465 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:12:31,466 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-01-10 02:12:31,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:12:31,466 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-01-10 02:12:31,466 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2025-01-10 02:12:31,466 INFO L87 Difference]: Start difference. First operand 190 states and 262 transitions. Second operand has 10 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 10 states have internal predecessors, (29), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) [2025-01-10 02:12:31,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:12:31,847 INFO L93 Difference]: Finished difference Result 255 states and 348 transitions. [2025-01-10 02:12:31,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-10 02:12:31,847 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 10 states have internal predecessors, (29), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) Word has length 75 [2025-01-10 02:12:31,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:12:31,849 INFO L225 Difference]: With dead ends: 255 [2025-01-10 02:12:31,849 INFO L226 Difference]: Without dead ends: 251 [2025-01-10 02:12:31,849 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=96, Invalid=246, Unknown=0, NotChecked=0, Total=342 [2025-01-10 02:12:31,850 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 134 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 476 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 02:12:31,850 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 359 Invalid, 500 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 476 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 02:12:31,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2025-01-10 02:12:31,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 190. [2025-01-10 02:12:31,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 140 states have (on average 1.4285714285714286) internal successors, (200), 157 states have internal predecessors, (200), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-01-10 02:12:31,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 260 transitions. [2025-01-10 02:12:31,863 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 260 transitions. Word has length 75 [2025-01-10 02:12:31,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:12:31,863 INFO L471 AbstractCegarLoop]: Abstraction has 190 states and 260 transitions. [2025-01-10 02:12:31,863 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 10 states have internal predecessors, (29), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) [2025-01-10 02:12:31,863 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 260 transitions. [2025-01-10 02:12:31,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2025-01-10 02:12:31,864 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:12:31,864 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:12:31,870 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 [2025-01-10 02:12:32,064 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:12:32,065 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 02:12:32,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:12:32,065 INFO L85 PathProgramCache]: Analyzing trace with hash -1785980644, now seen corresponding path program 1 times [2025-01-10 02:12:32,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:12:32,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375070636] [2025-01-10 02:12:32,066 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:32,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:12:32,069 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 82 statements into 1 equivalence classes. [2025-01-10 02:12:32,074 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 82 of 82 statements. [2025-01-10 02:12:32,074 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:32,074 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:12:32,133 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2025-01-10 02:12:32,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:12:32,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375070636] [2025-01-10 02:12:32,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375070636] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:12:32,133 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:12:32,133 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 02:12:32,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442547936] [2025-01-10 02:12:32,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:12:32,134 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 02:12:32,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:12:32,134 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 02:12:32,134 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 02:12:32,134 INFO L87 Difference]: Start difference. First operand 190 states and 260 transitions. Second operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2025-01-10 02:12:32,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:12:32,188 INFO L93 Difference]: Finished difference Result 190 states and 260 transitions. [2025-01-10 02:12:32,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 02:12:32,188 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 82 [2025-01-10 02:12:32,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:12:32,189 INFO L225 Difference]: With dead ends: 190 [2025-01-10 02:12:32,189 INFO L226 Difference]: Without dead ends: 189 [2025-01-10 02:12:32,190 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 [2025-01-10 02:12:32,190 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 2 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:12:32,190 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 112 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:12:32,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2025-01-10 02:12:32,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 189. [2025-01-10 02:12:32,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 140 states have (on average 1.4071428571428573) internal successors, (197), 156 states have internal predecessors, (197), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-01-10 02:12:32,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 257 transitions. [2025-01-10 02:12:32,202 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 257 transitions. Word has length 82 [2025-01-10 02:12:32,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:12:32,202 INFO L471 AbstractCegarLoop]: Abstraction has 189 states and 257 transitions. [2025-01-10 02:12:32,203 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2025-01-10 02:12:32,203 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 257 transitions. [2025-01-10 02:12:32,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2025-01-10 02:12:32,203 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:12:32,203 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:12:32,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-01-10 02:12:32,204 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 02:12:32,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:12:32,204 INFO L85 PathProgramCache]: Analyzing trace with hash 469174983, now seen corresponding path program 1 times [2025-01-10 02:12:32,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:12:32,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361457708] [2025-01-10 02:12:32,204 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:32,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:12:32,208 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 83 statements into 1 equivalence classes. [2025-01-10 02:12:32,214 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 83 of 83 statements. [2025-01-10 02:12:32,215 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:32,215 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:12:32,331 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2025-01-10 02:12:32,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:12:32,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361457708] [2025-01-10 02:12:32,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361457708] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:12:32,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:12:32,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-10 02:12:32,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719204927] [2025-01-10 02:12:32,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:12:32,332 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-10 02:12:32,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:12:32,333 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 02:12:32,333 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-01-10 02:12:32,334 INFO L87 Difference]: Start difference. First operand 189 states and 257 transitions. Second operand has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-01-10 02:12:32,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:12:32,581 INFO L93 Difference]: Finished difference Result 344 states and 486 transitions. [2025-01-10 02:12:32,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 02:12:32,581 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 83 [2025-01-10 02:12:32,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:12:32,583 INFO L225 Difference]: With dead ends: 344 [2025-01-10 02:12:32,583 INFO L226 Difference]: Without dead ends: 343 [2025-01-10 02:12:32,583 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2025-01-10 02:12:32,583 INFO L435 NwaCegarLoop]: 58 mSDtfsCounter, 90 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:12:32,584 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 252 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:12:32,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2025-01-10 02:12:32,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 285. [2025-01-10 02:12:32,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 224 states have (on average 1.4732142857142858) internal successors, (330), 240 states have internal predecessors, (330), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2025-01-10 02:12:32,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 414 transitions. [2025-01-10 02:12:32,602 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 414 transitions. Word has length 83 [2025-01-10 02:12:32,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:12:32,603 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 414 transitions. [2025-01-10 02:12:32,603 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-01-10 02:12:32,603 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 414 transitions. [2025-01-10 02:12:32,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2025-01-10 02:12:32,603 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:12:32,604 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 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] [2025-01-10 02:12:32,604 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-01-10 02:12:32,604 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 02:12:32,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:12:32,604 INFO L85 PathProgramCache]: Analyzing trace with hash 1659522686, now seen corresponding path program 1 times [2025-01-10 02:12:32,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:12:32,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55859998] [2025-01-10 02:12:32,604 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:32,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:12:32,609 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-01-10 02:12:32,618 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-01-10 02:12:32,618 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:32,618 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:12:32,725 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2025-01-10 02:12:32,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:12:32,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55859998] [2025-01-10 02:12:32,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55859998] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:12:32,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [776252492] [2025-01-10 02:12:32,725 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:32,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:12:32,725 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:12:32,727 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) [2025-01-10 02:12:32,729 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 [2025-01-10 02:12:32,752 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-01-10 02:12:32,779 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-01-10 02:12:32,779 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:32,779 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:12:32,780 INFO L256 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 02:12:32,781 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:12:32,906 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2025-01-10 02:12:32,906 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:12:32,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [776252492] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:12:32,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:12:32,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2025-01-10 02:12:32,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921830303] [2025-01-10 02:12:32,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:12:32,907 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 02:12:32,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:12:32,907 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 02:12:32,907 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2025-01-10 02:12:32,907 INFO L87 Difference]: Start difference. First operand 285 states and 414 transitions. Second operand has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-01-10 02:12:33,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:12:33,039 INFO L93 Difference]: Finished difference Result 341 states and 482 transitions. [2025-01-10 02:12:33,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 02:12:33,039 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 84 [2025-01-10 02:12:33,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:12:33,041 INFO L225 Difference]: With dead ends: 341 [2025-01-10 02:12:33,041 INFO L226 Difference]: Without dead ends: 340 [2025-01-10 02:12:33,041 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 81 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2025-01-10 02:12:33,042 INFO L435 NwaCegarLoop]: 59 mSDtfsCounter, 49 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:12:33,042 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 137 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:12:33,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2025-01-10 02:12:33,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 294. [2025-01-10 02:12:33,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 233 states have (on average 1.4549356223175967) internal successors, (339), 249 states have internal predecessors, (339), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2025-01-10 02:12:33,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 423 transitions. [2025-01-10 02:12:33,076 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 423 transitions. Word has length 84 [2025-01-10 02:12:33,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:12:33,077 INFO L471 AbstractCegarLoop]: Abstraction has 294 states and 423 transitions. [2025-01-10 02:12:33,077 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-01-10 02:12:33,077 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 423 transitions. [2025-01-10 02:12:33,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2025-01-10 02:12:33,077 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:12:33,077 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 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] [2025-01-10 02:12:33,083 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 [2025-01-10 02:12:33,278 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 [2025-01-10 02:12:33,278 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 02:12:33,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:12:33,279 INFO L85 PathProgramCache]: Analyzing trace with hash -94404183, now seen corresponding path program 1 times [2025-01-10 02:12:33,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:12:33,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996886099] [2025-01-10 02:12:33,279 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:33,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:12:33,284 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes. [2025-01-10 02:12:33,290 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-01-10 02:12:33,290 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:33,290 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:12:33,418 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2025-01-10 02:12:33,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:12:33,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996886099] [2025-01-10 02:12:33,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996886099] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:12:33,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [269616528] [2025-01-10 02:12:33,418 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:33,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:12:33,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:12:33,421 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) [2025-01-10 02:12:33,422 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 [2025-01-10 02:12:33,445 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes. [2025-01-10 02:12:33,461 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-01-10 02:12:33,461 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:33,461 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:12:33,462 INFO L256 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 02:12:33,464 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:12:33,558 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2025-01-10 02:12:33,559 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:12:33,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [269616528] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:12:33,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:12:33,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2025-01-10 02:12:33,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927932318] [2025-01-10 02:12:33,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:12:33,559 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:12:33,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:12:33,560 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:12:33,560 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-01-10 02:12:33,560 INFO L87 Difference]: Start difference. First operand 294 states and 423 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-01-10 02:12:33,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:12:33,660 INFO L93 Difference]: Finished difference Result 301 states and 429 transitions. [2025-01-10 02:12:33,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:12:33,660 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 85 [2025-01-10 02:12:33,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:12:33,661 INFO L225 Difference]: With dead ends: 301 [2025-01-10 02:12:33,662 INFO L226 Difference]: Without dead ends: 299 [2025-01-10 02:12:33,662 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-01-10 02:12:33,663 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 26 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:12:33,663 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 91 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:12:33,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2025-01-10 02:12:33,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 297. [2025-01-10 02:12:33,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 236 states have (on average 1.4406779661016949) internal successors, (340), 252 states have internal predecessors, (340), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2025-01-10 02:12:33,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 424 transitions. [2025-01-10 02:12:33,695 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 424 transitions. Word has length 85 [2025-01-10 02:12:33,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:12:33,696 INFO L471 AbstractCegarLoop]: Abstraction has 297 states and 424 transitions. [2025-01-10 02:12:33,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-01-10 02:12:33,696 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 424 transitions. [2025-01-10 02:12:33,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2025-01-10 02:12:33,697 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:12:33,697 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 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] [2025-01-10 02:12:33,703 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 [2025-01-10 02:12:33,897 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,SelfDestructingSolverStorable15 [2025-01-10 02:12:33,898 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 02:12:33,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:12:33,898 INFO L85 PathProgramCache]: Analyzing trace with hash 1368437690, now seen corresponding path program 1 times [2025-01-10 02:12:33,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:12:33,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34563605] [2025-01-10 02:12:33,898 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:33,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:12:33,903 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-01-10 02:12:33,917 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-01-10 02:12:33,917 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:33,917 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:12:33,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [925054540] [2025-01-10 02:12:33,918 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:33,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:12:33,918 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:12:33,921 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) [2025-01-10 02:12:33,943 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 [2025-01-10 02:12:33,957 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-01-10 02:12:33,972 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-01-10 02:12:33,973 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:33,973 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:12:33,973 INFO L256 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-01-10 02:12:33,975 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:12:34,350 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2025-01-10 02:12:34,350 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:12:34,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:12:34,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34563605] [2025-01-10 02:12:34,681 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:12:34,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [925054540] [2025-01-10 02:12:34,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [925054540] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:12:34,681 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:12:34,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-01-10 02:12:34,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109130282] [2025-01-10 02:12:34,681 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:12:34,681 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-01-10 02:12:34,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:12:34,682 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-01-10 02:12:34,682 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2025-01-10 02:12:34,682 INFO L87 Difference]: Start difference. First operand 297 states and 424 transitions. Second operand has 12 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 11 states have internal predecessors, (40), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2025-01-10 02:12:35,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:12:35,096 INFO L93 Difference]: Finished difference Result 370 states and 523 transitions. [2025-01-10 02:12:35,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-10 02:12:35,097 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 11 states have internal predecessors, (40), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) Word has length 86 [2025-01-10 02:12:35,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:12:35,098 INFO L225 Difference]: With dead ends: 370 [2025-01-10 02:12:35,099 INFO L226 Difference]: Without dead ends: 369 [2025-01-10 02:12:35,099 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2025-01-10 02:12:35,099 INFO L435 NwaCegarLoop]: 46 mSDtfsCounter, 121 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 601 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 608 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 601 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 02:12:35,099 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 182 Invalid, 608 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 601 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 02:12:35,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2025-01-10 02:12:35,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 343. [2025-01-10 02:12:35,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 343 states, 276 states have (on average 1.4130434782608696) internal successors, (390), 292 states have internal predecessors, (390), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2025-01-10 02:12:35,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 486 transitions. [2025-01-10 02:12:35,123 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 486 transitions. Word has length 86 [2025-01-10 02:12:35,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:12:35,124 INFO L471 AbstractCegarLoop]: Abstraction has 343 states and 486 transitions. [2025-01-10 02:12:35,124 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 11 states have internal predecessors, (40), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2025-01-10 02:12:35,124 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 486 transitions. [2025-01-10 02:12:35,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2025-01-10 02:12:35,124 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:12:35,124 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:12:35,131 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-01-10 02:12:35,329 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2025-01-10 02:12:35,329 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 02:12:35,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:12:35,329 INFO L85 PathProgramCache]: Analyzing trace with hash -528104501, now seen corresponding path program 1 times [2025-01-10 02:12:35,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:12:35,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160413256] [2025-01-10 02:12:35,330 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:35,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:12:35,334 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-01-10 02:12:35,343 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-01-10 02:12:35,343 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:35,344 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:12:35,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [590303393] [2025-01-10 02:12:35,348 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:35,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:12:35,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:12:35,350 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) [2025-01-10 02:12:35,351 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 [2025-01-10 02:12:35,370 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-01-10 02:12:35,385 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-01-10 02:12:35,386 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:35,386 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:12:35,389 INFO L256 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-01-10 02:12:35,391 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:12:35,757 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2025-01-10 02:12:35,757 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:12:36,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:12:36,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160413256] [2025-01-10 02:12:36,014 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:12:36,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [590303393] [2025-01-10 02:12:36,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [590303393] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:12:36,015 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:12:36,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-01-10 02:12:36,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809789433] [2025-01-10 02:12:36,015 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:12:36,015 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-01-10 02:12:36,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:12:36,016 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-01-10 02:12:36,016 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2025-01-10 02:12:36,016 INFO L87 Difference]: Start difference. First operand 343 states and 486 transitions. Second operand has 12 states, 11 states have (on average 3.727272727272727) internal successors, (41), 11 states have internal predecessors, (41), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2025-01-10 02:12:36,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:12:36,329 INFO L93 Difference]: Finished difference Result 403 states and 570 transitions. [2025-01-10 02:12:36,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-10 02:12:36,329 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.727272727272727) internal successors, (41), 11 states have internal predecessors, (41), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) Word has length 87 [2025-01-10 02:12:36,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:12:36,331 INFO L225 Difference]: With dead ends: 403 [2025-01-10 02:12:36,331 INFO L226 Difference]: Without dead ends: 402 [2025-01-10 02:12:36,331 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2025-01-10 02:12:36,332 INFO L435 NwaCegarLoop]: 43 mSDtfsCounter, 99 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 492 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 496 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 02:12:36,332 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 243 Invalid, 496 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 492 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 02:12:36,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2025-01-10 02:12:36,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 389. [2025-01-10 02:12:36,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 389 states, 316 states have (on average 1.3860759493670887) internal successors, (438), 332 states have internal predecessors, (438), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2025-01-10 02:12:36,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 546 transitions. [2025-01-10 02:12:36,355 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 546 transitions. Word has length 87 [2025-01-10 02:12:36,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:12:36,355 INFO L471 AbstractCegarLoop]: Abstraction has 389 states and 546 transitions. [2025-01-10 02:12:36,356 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.727272727272727) internal successors, (41), 11 states have internal predecessors, (41), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2025-01-10 02:12:36,356 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 546 transitions. [2025-01-10 02:12:36,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2025-01-10 02:12:36,356 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:12:36,356 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 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] [2025-01-10 02:12:36,362 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2025-01-10 02:12:36,561 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-01-10 02:12:36,561 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 02:12:36,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:12:36,561 INFO L85 PathProgramCache]: Analyzing trace with hash 808629724, now seen corresponding path program 1 times [2025-01-10 02:12:36,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:12:36,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568864187] [2025-01-10 02:12:36,561 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:36,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:12:36,565 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-01-10 02:12:36,569 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-01-10 02:12:36,569 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:36,570 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:12:36,614 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2025-01-10 02:12:36,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:12:36,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568864187] [2025-01-10 02:12:36,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568864187] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:12:36,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:12:36,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 02:12:36,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220035927] [2025-01-10 02:12:36,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:12:36,615 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 02:12:36,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:12:36,615 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 02:12:36,615 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-10 02:12:36,615 INFO L87 Difference]: Start difference. First operand 389 states and 546 transitions. Second operand has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2025-01-10 02:12:36,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:12:36,739 INFO L93 Difference]: Finished difference Result 389 states and 546 transitions. [2025-01-10 02:12:36,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 02:12:36,739 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 88 [2025-01-10 02:12:36,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:12:36,741 INFO L225 Difference]: With dead ends: 389 [2025-01-10 02:12:36,741 INFO L226 Difference]: Without dead ends: 388 [2025-01-10 02:12:36,741 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-01-10 02:12:36,742 INFO L435 NwaCegarLoop]: 42 mSDtfsCounter, 68 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:12:36,742 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 111 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:12:36,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2025-01-10 02:12:36,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 379. [2025-01-10 02:12:36,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 379 states, 307 states have (on average 1.3517915309446253) internal successors, (415), 322 states have internal predecessors, (415), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2025-01-10 02:12:36,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 523 transitions. [2025-01-10 02:12:36,766 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 523 transitions. Word has length 88 [2025-01-10 02:12:36,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:12:36,766 INFO L471 AbstractCegarLoop]: Abstraction has 379 states and 523 transitions. [2025-01-10 02:12:36,766 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2025-01-10 02:12:36,766 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 523 transitions. [2025-01-10 02:12:36,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2025-01-10 02:12:36,767 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:12:36,767 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:12:36,767 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2025-01-10 02:12:36,767 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 02:12:36,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:12:36,767 INFO L85 PathProgramCache]: Analyzing trace with hash -702282259, now seen corresponding path program 1 times [2025-01-10 02:12:36,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:12:36,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564391580] [2025-01-10 02:12:36,768 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:36,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:12:36,771 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 89 statements into 1 equivalence classes. [2025-01-10 02:12:36,779 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 89 of 89 statements. [2025-01-10 02:12:36,779 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:36,779 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:12:36,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [216518827] [2025-01-10 02:12:36,780 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:36,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:12:36,780 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:12:36,782 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) [2025-01-10 02:12:36,783 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 [2025-01-10 02:12:36,804 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 89 statements into 1 equivalence classes. [2025-01-10 02:12:36,820 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 89 of 89 statements. [2025-01-10 02:12:36,820 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:36,820 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:12:36,825 INFO L256 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 28 conjuncts are in the unsatisfiable core [2025-01-10 02:12:36,827 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:12:37,374 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2025-01-10 02:12:37,375 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:12:39,250 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2025-01-10 02:12:39,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:12:39,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564391580] [2025-01-10 02:12:39,250 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:12:39,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [216518827] [2025-01-10 02:12:39,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [216518827] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:12:39,250 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 02:12:39,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 10] total 22 [2025-01-10 02:12:39,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352825842] [2025-01-10 02:12:39,250 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 02:12:39,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-01-10 02:12:39,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:12:39,251 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-01-10 02:12:39,251 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=384, Unknown=0, NotChecked=0, Total=506 [2025-01-10 02:12:39,251 INFO L87 Difference]: Start difference. First operand 379 states and 523 transitions. Second operand has 23 states, 22 states have (on average 3.409090909090909) internal successors, (75), 23 states have internal predecessors, (75), 8 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (22), 8 states have call predecessors, (22), 8 states have call successors, (22) [2025-01-10 02:12:43,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:12:43,536 INFO L93 Difference]: Finished difference Result 531 states and 731 transitions. [2025-01-10 02:12:43,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-01-10 02:12:43,537 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 3.409090909090909) internal successors, (75), 23 states have internal predecessors, (75), 8 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (22), 8 states have call predecessors, (22), 8 states have call successors, (22) Word has length 89 [2025-01-10 02:12:43,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:12:43,539 INFO L225 Difference]: With dead ends: 531 [2025-01-10 02:12:43,539 INFO L226 Difference]: Without dead ends: 417 [2025-01-10 02:12:43,541 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 540 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=566, Invalid=1786, Unknown=0, NotChecked=0, Total=2352 [2025-01-10 02:12:43,542 INFO L435 NwaCegarLoop]: 34 mSDtfsCounter, 362 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 898 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 362 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 1005 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 898 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2025-01-10 02:12:43,543 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [362 Valid, 229 Invalid, 1005 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 898 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2025-01-10 02:12:43,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2025-01-10 02:12:43,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 375. [2025-01-10 02:12:43,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 307 states have (on average 1.3485342019543973) internal successors, (414), 322 states have internal predecessors, (414), 50 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2025-01-10 02:12:43,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 514 transitions. [2025-01-10 02:12:43,572 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 514 transitions. Word has length 89 [2025-01-10 02:12:43,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:12:43,573 INFO L471 AbstractCegarLoop]: Abstraction has 375 states and 514 transitions. [2025-01-10 02:12:43,573 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 3.409090909090909) internal successors, (75), 23 states have internal predecessors, (75), 8 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (22), 8 states have call predecessors, (22), 8 states have call successors, (22) [2025-01-10 02:12:43,573 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 514 transitions. [2025-01-10 02:12:43,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2025-01-10 02:12:43,574 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:12:43,574 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:12:43,580 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2025-01-10 02:12:43,774 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:12:43,774 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 02:12:43,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:12:43,775 INFO L85 PathProgramCache]: Analyzing trace with hash -343548717, now seen corresponding path program 3 times [2025-01-10 02:12:43,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:12:43,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57289211] [2025-01-10 02:12:43,775 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 02:12:43,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:12:43,779 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 97 statements into 9 equivalence classes. [2025-01-10 02:12:43,793 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) and asserted 97 of 97 statements. [2025-01-10 02:12:43,793 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2025-01-10 02:12:43,793 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:12:43,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1324061741] [2025-01-10 02:12:43,794 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 02:12:43,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:12:43,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:12:43,796 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) [2025-01-10 02:12:43,798 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 [2025-01-10 02:12:43,817 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 97 statements into 9 equivalence classes. [2025-01-10 02:12:43,828 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 48 of 97 statements. [2025-01-10 02:12:43,829 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-01-10 02:12:43,829 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:12:43,829 INFO L256 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-01-10 02:12:43,831 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:12:44,373 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 26 proven. 32 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2025-01-10 02:12:44,373 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:12:44,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:12:44,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57289211] [2025-01-10 02:12:44,521 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:12:44,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1324061741] [2025-01-10 02:12:44,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1324061741] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:12:44,521 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:12:44,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-01-10 02:12:44,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530588858] [2025-01-10 02:12:44,521 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:12:44,521 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-01-10 02:12:44,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:12:44,522 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-01-10 02:12:44,522 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=197, Unknown=1, NotChecked=0, Total=240 [2025-01-10 02:12:44,522 INFO L87 Difference]: Start difference. First operand 375 states and 514 transitions. Second operand has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 10 states have internal predecessors, (30), 5 states have call successors, (8), 1 states have call predecessors, (8), 3 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2025-01-10 02:12:49,071 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-01-10 02:12:49,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:12:49,513 INFO L93 Difference]: Finished difference Result 404 states and 549 transitions. [2025-01-10 02:12:49,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-10 02:12:49,514 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 10 states have internal predecessors, (30), 5 states have call successors, (8), 1 states have call predecessors, (8), 3 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) Word has length 97 [2025-01-10 02:12:49,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:12:49,515 INFO L225 Difference]: With dead ends: 404 [2025-01-10 02:12:49,515 INFO L226 Difference]: Without dead ends: 400 [2025-01-10 02:12:49,515 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=130, Invalid=415, Unknown=7, NotChecked=0, Total=552 [2025-01-10 02:12:49,516 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 216 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 489 mSolverCounterSat, 56 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 489 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2025-01-10 02:12:49,516 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 214 Invalid, 548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 489 Invalid, 3 Unknown, 0 Unchecked, 2.9s Time] [2025-01-10 02:12:49,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2025-01-10 02:12:49,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 370. [2025-01-10 02:12:49,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 370 states, 305 states have (on average 1.3114754098360655) internal successors, (400), 317 states have internal predecessors, (400), 50 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2025-01-10 02:12:49,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 500 transitions. [2025-01-10 02:12:49,546 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 500 transitions. Word has length 97 [2025-01-10 02:12:49,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:12:49,546 INFO L471 AbstractCegarLoop]: Abstraction has 370 states and 500 transitions. [2025-01-10 02:12:49,546 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 10 states have internal predecessors, (30), 5 states have call successors, (8), 1 states have call predecessors, (8), 3 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2025-01-10 02:12:49,546 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 500 transitions. [2025-01-10 02:12:49,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2025-01-10 02:12:49,547 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:12:49,547 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 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] [2025-01-10 02:12:49,554 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 [2025-01-10 02:12:49,747 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,SelfDestructingSolverStorable20 [2025-01-10 02:12:49,748 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 02:12:49,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:12:49,748 INFO L85 PathProgramCache]: Analyzing trace with hash -755212180, now seen corresponding path program 1 times [2025-01-10 02:12:49,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:12:49,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851636206] [2025-01-10 02:12:49,748 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:49,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:12:49,751 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-01-10 02:12:49,760 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-01-10 02:12:49,761 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:49,761 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:12:49,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [305471994] [2025-01-10 02:12:49,761 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:49,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:12:49,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:12:49,764 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) [2025-01-10 02:12:49,766 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 [2025-01-10 02:12:49,788 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-01-10 02:12:49,806 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-01-10 02:12:49,806 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:49,806 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:12:49,807 INFO L256 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-01-10 02:12:49,809 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:12:50,056 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2025-01-10 02:12:50,056 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:12:50,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:12:50,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851636206] [2025-01-10 02:12:50,360 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:12:50,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [305471994] [2025-01-10 02:12:50,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [305471994] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:12:50,360 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:12:50,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-01-10 02:12:50,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986642540] [2025-01-10 02:12:50,360 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:12:50,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-01-10 02:12:50,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:12:50,361 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-01-10 02:12:50,361 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2025-01-10 02:12:50,361 INFO L87 Difference]: Start difference. First operand 370 states and 500 transitions. Second operand has 9 states, 8 states have (on average 5.5) internal successors, (44), 9 states have internal predecessors, (44), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2025-01-10 02:12:50,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:12:50,666 INFO L93 Difference]: Finished difference Result 375 states and 507 transitions. [2025-01-10 02:12:50,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-10 02:12:50,667 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.5) internal successors, (44), 9 states have internal predecessors, (44), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) Word has length 103 [2025-01-10 02:12:50,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:12:50,668 INFO L225 Difference]: With dead ends: 375 [2025-01-10 02:12:50,668 INFO L226 Difference]: Without dead ends: 374 [2025-01-10 02:12:50,668 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2025-01-10 02:12:50,669 INFO L435 NwaCegarLoop]: 58 mSDtfsCounter, 22 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 382 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 382 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:12:50,669 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 293 Invalid, 385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 382 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:12:50,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2025-01-10 02:12:50,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 371. [2025-01-10 02:12:50,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 371 states, 306 states have (on average 1.3104575163398693) internal successors, (401), 318 states have internal predecessors, (401), 50 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2025-01-10 02:12:50,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 501 transitions. [2025-01-10 02:12:50,709 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 501 transitions. Word has length 103 [2025-01-10 02:12:50,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:12:50,709 INFO L471 AbstractCegarLoop]: Abstraction has 371 states and 501 transitions. [2025-01-10 02:12:50,709 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.5) internal successors, (44), 9 states have internal predecessors, (44), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2025-01-10 02:12:50,710 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 501 transitions. [2025-01-10 02:12:50,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2025-01-10 02:12:50,713 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:12:50,713 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 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] [2025-01-10 02:12:50,720 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2025-01-10 02:12:50,913 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,16 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:12:50,914 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 02:12:50,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:12:50,914 INFO L85 PathProgramCache]: Analyzing trace with hash -1936740987, now seen corresponding path program 1 times [2025-01-10 02:12:50,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:12:50,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92542402] [2025-01-10 02:12:50,914 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:50,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:12:50,917 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-01-10 02:12:50,929 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-01-10 02:12:50,929 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:50,929 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:12:50,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1606769340] [2025-01-10 02:12:50,930 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:50,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:12:50,930 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:12:50,932 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) [2025-01-10 02:12:50,933 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 [2025-01-10 02:12:50,954 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-01-10 02:12:50,972 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-01-10 02:12:50,973 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:50,973 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:12:50,973 INFO L256 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-01-10 02:12:50,975 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:12:51,297 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2025-01-10 02:12:51,298 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:12:51,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:12:51,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92542402] [2025-01-10 02:12:51,737 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:12:51,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1606769340] [2025-01-10 02:12:51,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1606769340] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:12:51,737 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:12:51,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-01-10 02:12:51,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113574675] [2025-01-10 02:12:51,737 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:12:51,738 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-01-10 02:12:51,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:12:51,738 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-01-10 02:12:51,738 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2025-01-10 02:12:51,738 INFO L87 Difference]: Start difference. First operand 371 states and 501 transitions. Second operand has 12 states, 11 states have (on average 4.363636363636363) internal successors, (48), 12 states have internal predecessors, (48), 6 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 6 states have call successors, (13) [2025-01-10 02:12:52,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:12:52,214 INFO L93 Difference]: Finished difference Result 626 states and 863 transitions. [2025-01-10 02:12:52,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-10 02:12:52,215 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.363636363636363) internal successors, (48), 12 states have internal predecessors, (48), 6 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 6 states have call successors, (13) Word has length 104 [2025-01-10 02:12:52,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:12:52,216 INFO L225 Difference]: With dead ends: 626 [2025-01-10 02:12:52,216 INFO L226 Difference]: Without dead ends: 390 [2025-01-10 02:12:52,217 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=154, Invalid=446, Unknown=0, NotChecked=0, Total=600 [2025-01-10 02:12:52,217 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 95 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 467 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 02:12:52,217 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 337 Invalid, 480 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 467 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 02:12:52,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2025-01-10 02:12:52,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 384. [2025-01-10 02:12:52,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 384 states, 315 states have (on average 1.326984126984127) internal successors, (418), 327 states have internal predecessors, (418), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2025-01-10 02:12:52,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 526 transitions. [2025-01-10 02:12:52,249 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 526 transitions. Word has length 104 [2025-01-10 02:12:52,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:12:52,249 INFO L471 AbstractCegarLoop]: Abstraction has 384 states and 526 transitions. [2025-01-10 02:12:52,249 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.363636363636363) internal successors, (48), 12 states have internal predecessors, (48), 6 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 6 states have call successors, (13) [2025-01-10 02:12:52,249 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 526 transitions. [2025-01-10 02:12:52,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2025-01-10 02:12:52,250 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:12:52,251 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 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] [2025-01-10 02:12:52,259 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2025-01-10 02:12:52,455 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,17 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:12:52,455 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 02:12:52,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:12:52,455 INFO L85 PathProgramCache]: Analyzing trace with hash 90571662, now seen corresponding path program 1 times [2025-01-10 02:12:52,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:12:52,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144150781] [2025-01-10 02:12:52,455 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:52,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:12:52,459 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-01-10 02:12:52,464 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-01-10 02:12:52,464 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:52,464 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:12:52,531 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2025-01-10 02:12:52,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:12:52,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144150781] [2025-01-10 02:12:52,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2144150781] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:12:52,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:12:52,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 02:12:52,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79944836] [2025-01-10 02:12:52,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:12:52,532 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 02:12:52,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:12:52,533 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 02:12:52,533 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-10 02:12:52,533 INFO L87 Difference]: Start difference. First operand 384 states and 526 transitions. Second operand has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2025-01-10 02:12:52,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:12:52,656 INFO L93 Difference]: Finished difference Result 384 states and 526 transitions. [2025-01-10 02:12:52,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 02:12:52,656 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 105 [2025-01-10 02:12:52,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:12:52,658 INFO L225 Difference]: With dead ends: 384 [2025-01-10 02:12:52,658 INFO L226 Difference]: Without dead ends: 383 [2025-01-10 02:12:52,658 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-01-10 02:12:52,659 INFO L435 NwaCegarLoop]: 51 mSDtfsCounter, 40 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:12:52,659 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 140 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:12:52,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2025-01-10 02:12:52,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 383. [2025-01-10 02:12:52,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 315 states have (on average 1.3238095238095238) internal successors, (417), 326 states have internal predecessors, (417), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2025-01-10 02:12:52,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 525 transitions. [2025-01-10 02:12:52,690 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 525 transitions. Word has length 105 [2025-01-10 02:12:52,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:12:52,692 INFO L471 AbstractCegarLoop]: Abstraction has 383 states and 525 transitions. [2025-01-10 02:12:52,692 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2025-01-10 02:12:52,692 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 525 transitions. [2025-01-10 02:12:52,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2025-01-10 02:12:52,693 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:12:52,693 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:12:52,693 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2025-01-10 02:12:52,693 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 02:12:52,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:12:52,694 INFO L85 PathProgramCache]: Analyzing trace with hash -2115002788, now seen corresponding path program 1 times [2025-01-10 02:12:52,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:12:52,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797368771] [2025-01-10 02:12:52,694 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:52,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:12:52,697 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-01-10 02:12:52,701 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-01-10 02:12:52,701 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:52,701 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:12:52,761 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2025-01-10 02:12:52,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:12:52,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797368771] [2025-01-10 02:12:52,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797368771] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:12:52,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1634740552] [2025-01-10 02:12:52,762 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:52,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:12:52,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:12:52,763 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) [2025-01-10 02:12:52,765 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 [2025-01-10 02:12:52,785 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-01-10 02:12:52,801 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-01-10 02:12:52,801 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:52,801 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:12:52,802 INFO L256 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 02:12:52,803 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:12:52,842 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2025-01-10 02:12:52,842 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:12:52,935 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2025-01-10 02:12:52,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1634740552] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:12:52,936 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:12:52,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2025-01-10 02:12:52,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538373146] [2025-01-10 02:12:52,936 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:12:52,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-01-10 02:12:52,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:12:52,939 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-01-10 02:12:52,939 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2025-01-10 02:12:52,939 INFO L87 Difference]: Start difference. First operand 383 states and 525 transitions. Second operand has 11 states, 10 states have (on average 7.5) internal successors, (75), 11 states have internal predecessors, (75), 10 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) [2025-01-10 02:12:53,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:12:53,164 INFO L93 Difference]: Finished difference Result 681 states and 916 transitions. [2025-01-10 02:12:53,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-10 02:12:53,164 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.5) internal successors, (75), 11 states have internal predecessors, (75), 10 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) Word has length 107 [2025-01-10 02:12:53,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:12:53,167 INFO L225 Difference]: With dead ends: 681 [2025-01-10 02:12:53,167 INFO L226 Difference]: Without dead ends: 679 [2025-01-10 02:12:53,167 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2025-01-10 02:12:53,167 INFO L435 NwaCegarLoop]: 63 mSDtfsCounter, 294 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 310 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:12:53,167 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [310 Valid, 339 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:12:53,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 679 states. [2025-01-10 02:12:53,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 679 to 451. [2025-01-10 02:12:53,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 451 states, 369 states have (on average 1.2953929539295392) internal successors, (478), 380 states have internal predecessors, (478), 68 states have call successors, (68), 2 states have call predecessors, (68), 2 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2025-01-10 02:12:53,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 614 transitions. [2025-01-10 02:12:53,207 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 614 transitions. Word has length 107 [2025-01-10 02:12:53,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:12:53,207 INFO L471 AbstractCegarLoop]: Abstraction has 451 states and 614 transitions. [2025-01-10 02:12:53,207 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.5) internal successors, (75), 11 states have internal predecessors, (75), 10 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) [2025-01-10 02:12:53,207 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 614 transitions. [2025-01-10 02:12:53,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2025-01-10 02:12:53,208 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:12:53,208 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 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] [2025-01-10 02:12:53,214 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 [2025-01-10 02:12:53,408 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 [2025-01-10 02:12:53,409 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 02:12:53,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:12:53,409 INFO L85 PathProgramCache]: Analyzing trace with hash -1487245657, now seen corresponding path program 1 times [2025-01-10 02:12:53,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:12:53,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755668296] [2025-01-10 02:12:53,410 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:53,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:12:53,413 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 106 statements into 1 equivalence classes. [2025-01-10 02:12:53,421 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 106 of 106 statements. [2025-01-10 02:12:53,421 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:53,421 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:12:53,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [593224146] [2025-01-10 02:12:53,422 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:53,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:12:53,422 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:12:53,424 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) [2025-01-10 02:12:53,425 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 [2025-01-10 02:12:53,446 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 106 statements into 1 equivalence classes. [2025-01-10 02:12:53,464 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 106 of 106 statements. [2025-01-10 02:12:53,464 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:53,464 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:12:53,468 INFO L256 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-01-10 02:12:53,470 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:12:53,810 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2025-01-10 02:12:53,810 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:12:54,496 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2025-01-10 02:12:54,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:12:54,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755668296] [2025-01-10 02:12:54,497 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:12:54,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [593224146] [2025-01-10 02:12:54,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [593224146] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:12:54,497 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 02:12:54,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8] total 19 [2025-01-10 02:12:54,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340912301] [2025-01-10 02:12:54,497 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 02:12:54,497 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-01-10 02:12:54,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:12:54,498 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-01-10 02:12:54,498 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=278, Unknown=0, NotChecked=0, Total=380 [2025-01-10 02:12:54,498 INFO L87 Difference]: Start difference. First operand 451 states and 614 transitions. Second operand has 20 states, 19 states have (on average 4.684210526315789) internal successors, (89), 20 states have internal predecessors, (89), 10 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (26), 10 states have call predecessors, (26), 10 states have call successors, (26) [2025-01-10 02:12:55,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:12:55,692 INFO L93 Difference]: Finished difference Result 495 states and 669 transitions. [2025-01-10 02:12:55,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-10 02:12:55,693 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 4.684210526315789) internal successors, (89), 20 states have internal predecessors, (89), 10 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (26), 10 states have call predecessors, (26), 10 states have call successors, (26) Word has length 106 [2025-01-10 02:12:55,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:12:55,694 INFO L225 Difference]: With dead ends: 495 [2025-01-10 02:12:55,694 INFO L226 Difference]: Without dead ends: 488 [2025-01-10 02:12:55,695 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 191 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 229 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=269, Invalid=787, Unknown=0, NotChecked=0, Total=1056 [2025-01-10 02:12:55,695 INFO L435 NwaCegarLoop]: 49 mSDtfsCounter, 112 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 558 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 353 SdHoareTripleChecker+Invalid, 580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 558 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-01-10 02:12:55,695 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 353 Invalid, 580 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 558 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-01-10 02:12:55,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2025-01-10 02:12:55,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 448. [2025-01-10 02:12:55,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 448 states, 366 states have (on average 1.284153005464481) internal successors, (470), 377 states have internal predecessors, (470), 68 states have call successors, (68), 2 states have call predecessors, (68), 2 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2025-01-10 02:12:55,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 606 transitions. [2025-01-10 02:12:55,735 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 606 transitions. Word has length 106 [2025-01-10 02:12:55,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:12:55,736 INFO L471 AbstractCegarLoop]: Abstraction has 448 states and 606 transitions. [2025-01-10 02:12:55,736 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 4.684210526315789) internal successors, (89), 20 states have internal predecessors, (89), 10 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (26), 10 states have call predecessors, (26), 10 states have call successors, (26) [2025-01-10 02:12:55,736 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 606 transitions. [2025-01-10 02:12:55,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2025-01-10 02:12:55,737 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:12:55,737 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2025-01-10 02:12:55,743 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2025-01-10 02:12:55,941 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2025-01-10 02:12:55,941 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 02:12:55,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:12:55,941 INFO L85 PathProgramCache]: Analyzing trace with hash 799865771, now seen corresponding path program 2 times [2025-01-10 02:12:55,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:12:55,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44439695] [2025-01-10 02:12:55,941 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 02:12:55,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:12:55,945 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 108 statements into 2 equivalence classes. [2025-01-10 02:12:55,958 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 108 of 108 statements. [2025-01-10 02:12:55,958 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 02:12:55,958 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:12:55,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [651797701] [2025-01-10 02:12:55,959 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 02:12:55,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:12:55,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:12:55,961 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:12:55,963 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2025-01-10 02:12:55,982 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 108 statements into 2 equivalence classes. [2025-01-10 02:12:56,002 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 108 of 108 statements. [2025-01-10 02:12:56,002 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 02:12:56,002 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:12:56,004 INFO L256 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-01-10 02:12:56,005 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:12:56,109 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2025-01-10 02:12:56,110 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:12:56,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:12:56,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44439695] [2025-01-10 02:12:56,618 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:12:56,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [651797701] [2025-01-10 02:12:56,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [651797701] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:12:56,618 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:12:56,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-01-10 02:12:56,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978506833] [2025-01-10 02:12:56,618 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:12:56,618 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-10 02:12:56,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:12:56,619 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 02:12:56,619 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2025-01-10 02:12:56,619 INFO L87 Difference]: Start difference. First operand 448 states and 606 transitions. Second operand has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2025-01-10 02:12:56,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:12:56,791 INFO L93 Difference]: Finished difference Result 507 states and 693 transitions. [2025-01-10 02:12:56,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-10 02:12:56,791 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) Word has length 108 [2025-01-10 02:12:56,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:12:56,793 INFO L225 Difference]: With dead ends: 507 [2025-01-10 02:12:56,793 INFO L226 Difference]: Without dead ends: 505 [2025-01-10 02:12:56,793 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2025-01-10 02:12:56,793 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 71 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 211 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:12:56,793 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 189 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 211 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:12:56,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2025-01-10 02:12:56,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 446. [2025-01-10 02:12:56,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 446 states, 366 states have (on average 1.215846994535519) internal successors, (445), 375 states have internal predecessors, (445), 68 states have call successors, (68), 2 states have call predecessors, (68), 2 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2025-01-10 02:12:56,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 581 transitions. [2025-01-10 02:12:56,834 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 581 transitions. Word has length 108 [2025-01-10 02:12:56,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:12:56,835 INFO L471 AbstractCegarLoop]: Abstraction has 446 states and 581 transitions. [2025-01-10 02:12:56,835 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2025-01-10 02:12:56,835 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 581 transitions. [2025-01-10 02:12:56,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2025-01-10 02:12:56,836 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:12:56,836 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:12:56,842 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2025-01-10 02:12:57,036 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,20 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:12:57,037 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 02:12:57,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:12:57,037 INFO L85 PathProgramCache]: Analyzing trace with hash -973964806, now seen corresponding path program 2 times [2025-01-10 02:12:57,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:12:57,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709754852] [2025-01-10 02:12:57,037 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 02:12:57,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:12:57,042 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 109 statements into 2 equivalence classes. [2025-01-10 02:12:57,056 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 109 of 109 statements. [2025-01-10 02:12:57,056 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 02:12:57,056 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:12:57,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [415849523] [2025-01-10 02:12:57,056 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 02:12:57,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:12:57,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:12:57,059 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:12:57,060 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2025-01-10 02:12:57,084 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 109 statements into 2 equivalence classes. [2025-01-10 02:12:57,103 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 109 of 109 statements. [2025-01-10 02:12:57,103 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 02:12:57,103 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:12:57,104 INFO L256 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-01-10 02:12:57,106 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:12:57,514 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2025-01-10 02:12:57,514 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:12:57,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:12:57,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709754852] [2025-01-10 02:12:57,709 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:12:57,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [415849523] [2025-01-10 02:12:57,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [415849523] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:12:57,709 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:12:57,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2025-01-10 02:12:57,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705004004] [2025-01-10 02:12:57,709 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:12:57,709 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-01-10 02:12:57,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:12:57,710 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-01-10 02:12:57,710 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=212, Unknown=0, NotChecked=0, Total=272 [2025-01-10 02:12:57,710 INFO L87 Difference]: Start difference. First operand 446 states and 581 transitions. Second operand has 14 states, 13 states have (on average 3.6923076923076925) internal successors, (48), 14 states have internal predecessors, (48), 6 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 5 states have call predecessors, (14), 6 states have call successors, (14) [2025-01-10 02:12:58,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:12:58,255 INFO L93 Difference]: Finished difference Result 484 states and 630 transitions. [2025-01-10 02:12:58,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-10 02:12:58,256 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 3.6923076923076925) internal successors, (48), 14 states have internal predecessors, (48), 6 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 5 states have call predecessors, (14), 6 states have call successors, (14) Word has length 109 [2025-01-10 02:12:58,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:12:58,257 INFO L225 Difference]: With dead ends: 484 [2025-01-10 02:12:58,257 INFO L226 Difference]: Without dead ends: 483 [2025-01-10 02:12:58,258 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=143, Invalid=559, Unknown=0, NotChecked=0, Total=702 [2025-01-10 02:12:58,258 INFO L435 NwaCegarLoop]: 62 mSDtfsCounter, 113 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 904 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 403 SdHoareTripleChecker+Invalid, 923 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 904 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-10 02:12:58,258 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 403 Invalid, 923 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 904 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-10 02:12:58,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2025-01-10 02:12:58,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 470. [2025-01-10 02:12:58,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 470 states, 386 states have (on average 1.2098445595854923) internal successors, (467), 395 states have internal predecessors, (467), 72 states have call successors, (72), 2 states have call predecessors, (72), 2 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) [2025-01-10 02:12:58,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 611 transitions. [2025-01-10 02:12:58,309 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 611 transitions. Word has length 109 [2025-01-10 02:12:58,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:12:58,310 INFO L471 AbstractCegarLoop]: Abstraction has 470 states and 611 transitions. [2025-01-10 02:12:58,310 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 3.6923076923076925) internal successors, (48), 14 states have internal predecessors, (48), 6 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 5 states have call predecessors, (14), 6 states have call successors, (14) [2025-01-10 02:12:58,310 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 611 transitions. [2025-01-10 02:12:58,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2025-01-10 02:12:58,311 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:12:58,311 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:12:58,317 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2025-01-10 02:12:58,511 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2025-01-10 02:12:58,512 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 02:12:58,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:12:58,512 INFO L85 PathProgramCache]: Analyzing trace with hash -1914311496, now seen corresponding path program 1 times [2025-01-10 02:12:58,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:12:58,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717963872] [2025-01-10 02:12:58,513 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:58,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:12:58,516 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 109 statements into 1 equivalence classes. [2025-01-10 02:12:58,520 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 109 of 109 statements. [2025-01-10 02:12:58,520 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:58,520 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:12:58,656 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2025-01-10 02:12:58,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:12:58,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717963872] [2025-01-10 02:12:58,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717963872] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:12:58,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1958211195] [2025-01-10 02:12:58,656 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:58,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:12:58,656 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:12:58,658 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:12:58,659 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2025-01-10 02:12:58,681 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 109 statements into 1 equivalence classes. [2025-01-10 02:12:58,698 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 109 of 109 statements. [2025-01-10 02:12:58,698 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:58,698 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:12:58,699 INFO L256 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-10 02:12:58,700 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:12:58,747 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 7 proven. 15 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2025-01-10 02:12:58,747 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:12:58,838 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 7 proven. 15 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2025-01-10 02:12:58,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1958211195] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:12:58,838 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:12:58,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 12 [2025-01-10 02:12:58,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340437111] [2025-01-10 02:12:58,839 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:12:58,839 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-01-10 02:12:58,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:12:58,839 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-01-10 02:12:58,840 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2025-01-10 02:12:58,840 INFO L87 Difference]: Start difference. First operand 470 states and 611 transitions. Second operand has 12 states, 12 states have (on average 8.666666666666666) internal successors, (104), 12 states have internal predecessors, (104), 7 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 7 states have call predecessors, (25), 7 states have call successors, (25) [2025-01-10 02:12:59,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:12:59,335 INFO L93 Difference]: Finished difference Result 826 states and 1096 transitions. [2025-01-10 02:12:59,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-10 02:12:59,335 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.666666666666666) internal successors, (104), 12 states have internal predecessors, (104), 7 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 7 states have call predecessors, (25), 7 states have call successors, (25) Word has length 109 [2025-01-10 02:12:59,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:12:59,337 INFO L225 Difference]: With dead ends: 826 [2025-01-10 02:12:59,337 INFO L226 Difference]: Without dead ends: 699 [2025-01-10 02:12:59,338 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=97, Invalid=409, Unknown=0, NotChecked=0, Total=506 [2025-01-10 02:12:59,338 INFO L435 NwaCegarLoop]: 68 mSDtfsCounter, 167 mSDsluCounter, 359 mSDsCounter, 0 mSdLazyCounter, 591 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 427 SdHoareTripleChecker+Invalid, 617 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 591 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-10 02:12:59,339 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 427 Invalid, 617 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 591 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-10 02:12:59,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2025-01-10 02:12:59,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 466. [2025-01-10 02:12:59,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 466 states, 382 states have (on average 1.2382198952879582) internal successors, (473), 391 states have internal predecessors, (473), 72 states have call successors, (72), 2 states have call predecessors, (72), 2 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) [2025-01-10 02:12:59,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 617 transitions. [2025-01-10 02:12:59,384 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 617 transitions. Word has length 109 [2025-01-10 02:12:59,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:12:59,384 INFO L471 AbstractCegarLoop]: Abstraction has 466 states and 617 transitions. [2025-01-10 02:12:59,384 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.666666666666666) internal successors, (104), 12 states have internal predecessors, (104), 7 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 7 states have call predecessors, (25), 7 states have call successors, (25) [2025-01-10 02:12:59,384 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 617 transitions. [2025-01-10 02:12:59,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2025-01-10 02:12:59,385 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:12:59,385 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2025-01-10 02:12:59,391 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2025-01-10 02:12:59,589 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2025-01-10 02:12:59,589 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 02:12:59,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:12:59,590 INFO L85 PathProgramCache]: Analyzing trace with hash 1953354473, now seen corresponding path program 3 times [2025-01-10 02:12:59,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:12:59,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838790210] [2025-01-10 02:12:59,591 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 02:12:59,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:12:59,595 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 131 statements into 9 equivalence classes. [2025-01-10 02:12:59,622 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) and asserted 131 of 131 statements. [2025-01-10 02:12:59,622 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2025-01-10 02:12:59,622 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:12:59,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [107749085] [2025-01-10 02:12:59,622 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 02:12:59,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:12:59,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:12:59,627 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:12:59,628 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2025-01-10 02:12:59,650 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 131 statements into 9 equivalence classes. [2025-01-10 02:12:59,664 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 47 of 131 statements. [2025-01-10 02:12:59,665 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-01-10 02:12:59,665 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:12:59,665 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-01-10 02:12:59,667 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:13:32,009 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 61 proven. 2 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2025-01-10 02:13:32,009 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:13:37,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:13:37,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838790210] [2025-01-10 02:13:37,402 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:13:37,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [107749085] [2025-01-10 02:13:37,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [107749085] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:13:37,402 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:13:37,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-01-10 02:13:37,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143927832] [2025-01-10 02:13:37,403 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:13:37,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-01-10 02:13:37,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:13:37,403 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-01-10 02:13:37,403 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=229, Unknown=0, NotChecked=0, Total=306 [2025-01-10 02:13:37,403 INFO L87 Difference]: Start difference. First operand 466 states and 617 transitions. Second operand has 12 states, 11 states have (on average 4.0) internal successors, (44), 12 states have internal predecessors, (44), 3 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 3 states have call successors, (11) [2025-01-10 02:13:40,907 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.37s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-01-10 02:13:44,927 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-01-10 02:13:47,471 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.53s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-01-10 02:13:51,477 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-01-10 02:13:55,489 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-01-10 02:14:03,533 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.96s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers []