./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound100.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/ps4-ll_unwindbound100.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 47fbdb3da16165eeeef0687b73275c90a2682f5a520ac2387154637187559fe6 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-10 02:23:40,999 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-10 02:23:41,054 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-01-10 02:23:41,059 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-10 02:23:41,060 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-10 02:23:41,075 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-10 02:23:41,077 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-10 02:23:41,077 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-10 02:23:41,078 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-10 02:23:41,078 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-10 02:23:41,078 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-10 02:23:41,079 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-10 02:23:41,079 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-10 02:23:41,079 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-10 02:23:41,079 INFO L153 SettingsManager]: * Use SBE=true [2025-01-10 02:23:41,080 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-10 02:23:41,080 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-10 02:23:41,080 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-10 02:23:41,080 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-10 02:23:41,080 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-10 02:23:41,080 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-10 02:23:41,080 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-10 02:23:41,080 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-10 02:23:41,080 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-10 02:23:41,080 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-01-10 02:23:41,080 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-10 02:23:41,080 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-10 02:23:41,080 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-10 02:23:41,081 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-10 02:23:41,081 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-10 02:23:41,081 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-10 02:23:41,081 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 02:23:41,081 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 02:23:41,081 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 02:23:41,081 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 02:23:41,081 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-10 02:23:41,081 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 02:23:41,081 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 02:23:41,082 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 02:23:41,082 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 02:23:41,082 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-10 02:23:41,082 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-10 02:23:41,082 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-10 02:23:41,082 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-10 02:23:41,082 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-10 02:23:41,082 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-10 02:23:41,082 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-10 02:23:41,082 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-10 02:23:41,083 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-10 02:23:41,083 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-10 02:23:41,083 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 -> 47fbdb3da16165eeeef0687b73275c90a2682f5a520ac2387154637187559fe6 [2025-01-10 02:23:41,307 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-10 02:23:41,313 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-10 02:23:41,314 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-10 02:23:41,315 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-10 02:23:41,315 INFO L274 PluginConnector]: CDTParser initialized [2025-01-10 02:23:41,317 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound100.c [2025-01-10 02:23:42,375 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5613788e8/78642920f25b4373b51f7993bfed2f71/FLAG6bc499bfb [2025-01-10 02:23:42,606 INFO L384 CDTParser]: Found 1 translation units. [2025-01-10 02:23:42,608 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound100.c [2025-01-10 02:23:42,616 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5613788e8/78642920f25b4373b51f7993bfed2f71/FLAG6bc499bfb [2025-01-10 02:23:42,946 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5613788e8/78642920f25b4373b51f7993bfed2f71 [2025-01-10 02:23:42,948 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-10 02:23:42,949 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-10 02:23:42,950 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-10 02:23:42,950 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-10 02:23:42,952 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-10 02:23:42,953 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 02:23:42" (1/1) ... [2025-01-10 02:23:42,953 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ccf2772 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:23:42, skipping insertion in model container [2025-01-10 02:23:42,954 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 02:23:42" (1/1) ... [2025-01-10 02:23:42,963 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 02:23:43,070 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 02:23:43,078 INFO L200 MainTranslator]: Completed pre-run [2025-01-10 02:23:43,093 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 02:23:43,103 INFO L204 MainTranslator]: Completed translation [2025-01-10 02:23:43,105 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:23:43 WrapperNode [2025-01-10 02:23:43,105 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-10 02:23:43,106 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-10 02:23:43,106 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-10 02:23:43,106 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-10 02:23:43,110 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:23:43" (1/1) ... [2025-01-10 02:23:43,114 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:23:43" (1/1) ... [2025-01-10 02:23:43,131 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 106 [2025-01-10 02:23:43,131 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-10 02:23:43,132 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-10 02:23:43,132 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-10 02:23:43,132 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-10 02:23:43,138 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:23:43" (1/1) ... [2025-01-10 02:23:43,138 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:23:43" (1/1) ... [2025-01-10 02:23:43,139 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:23:43" (1/1) ... [2025-01-10 02:23:43,154 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 02:23:43,155 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:23:43" (1/1) ... [2025-01-10 02:23:43,155 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:23:43" (1/1) ... [2025-01-10 02:23:43,157 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:23:43" (1/1) ... [2025-01-10 02:23:43,161 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:23:43" (1/1) ... [2025-01-10 02:23:43,163 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:23:43" (1/1) ... [2025-01-10 02:23:43,163 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:23:43" (1/1) ... [2025-01-10 02:23:43,163 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:23:43" (1/1) ... [2025-01-10 02:23:43,164 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-10 02:23:43,171 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-10 02:23:43,171 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-10 02:23:43,171 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-10 02:23:43,172 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:23:43" (1/1) ... [2025-01-10 02:23:43,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 02:23:43,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:23:43,196 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 02:23:43,199 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 02:23:43,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-10 02:23:43,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-10 02:23:43,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-10 02:23:43,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-10 02:23:43,216 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-10 02:23:43,216 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-10 02:23:43,251 INFO L234 CfgBuilder]: Building ICFG [2025-01-10 02:23:43,252 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-10 02:23:43,506 INFO L? ?]: Removed 75 outVars from TransFormulas that were not future-live. [2025-01-10 02:23:43,506 INFO L283 CfgBuilder]: Performing block encoding [2025-01-10 02:23:43,517 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-10 02:23:43,517 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-10 02:23:43,518 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 02:23:43 BoogieIcfgContainer [2025-01-10 02:23:43,518 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-10 02:23:43,519 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-10 02:23:43,519 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-10 02:23:43,522 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-10 02:23:43,522 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 02:23:42" (1/3) ... [2025-01-10 02:23:43,523 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@858f345 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 02:23:43, skipping insertion in model container [2025-01-10 02:23:43,523 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:23:43" (2/3) ... [2025-01-10 02:23:43,523 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@858f345 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 02:23:43, skipping insertion in model container [2025-01-10 02:23:43,523 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 02:23:43" (3/3) ... [2025-01-10 02:23:43,525 INFO L128 eAbstractionObserver]: Analyzing ICFG ps4-ll_unwindbound100.c [2025-01-10 02:23:43,535 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-10 02:23:43,537 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG ps4-ll_unwindbound100.c that has 2 procedures, 142 locations, 1 initial locations, 1 loop locations, and 62 error locations. [2025-01-10 02:23:43,576 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-10 02:23:43,586 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;@129a69eb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-10 02:23:43,586 INFO L334 AbstractCegarLoop]: Starting to check reachability of 62 error locations. [2025-01-10 02:23:43,589 INFO L276 IsEmpty]: Start isEmpty. Operand has 142 states, 75 states have (on average 1.88) internal successors, (141), 137 states have internal predecessors, (141), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-01-10 02:23:43,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-01-10 02:23:43,592 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:23:43,593 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-01-10 02:23:43,593 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-01-10 02:23:43,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:23:43,598 INFO L85 PathProgramCache]: Analyzing trace with hash 925636, now seen corresponding path program 1 times [2025-01-10 02:23:43,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:23:43,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897961704] [2025-01-10 02:23:43,605 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:23:43,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:23:43,643 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-01-10 02:23:43,654 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-01-10 02:23:43,654 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:23:43,655 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:23:43,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:23:43,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:23:43,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897961704] [2025-01-10 02:23:43,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897961704] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:23:43,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:23:43,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 02:23:43,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355070325] [2025-01-10 02:23:43,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:23:43,732 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:23:43,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:23:43,745 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:23:43,746 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:23:43,747 INFO L87 Difference]: Start difference. First operand has 142 states, 75 states have (on average 1.88) internal successors, (141), 137 states have internal predecessors, (141), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 02:23:43,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:23:43,803 INFO L93 Difference]: Finished difference Result 270 states and 294 transitions. [2025-01-10 02:23:43,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:23:43,805 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2025-01-10 02:23:43,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:23:43,810 INFO L225 Difference]: With dead ends: 270 [2025-01-10 02:23:43,810 INFO L226 Difference]: Without dead ends: 124 [2025-01-10 02:23:43,812 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-10 02:23:43,814 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 132 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:23:43,814 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 252 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:23:43,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2025-01-10 02:23:43,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2025-01-10 02:23:43,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 70 states have (on average 1.7428571428571429) internal successors, (122), 120 states have internal predecessors, (122), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:23:43,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 126 transitions. [2025-01-10 02:23:43,842 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 126 transitions. Word has length 4 [2025-01-10 02:23:43,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:23:43,843 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 126 transitions. [2025-01-10 02:23:43,843 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 02:23:43,843 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 126 transitions. [2025-01-10 02:23:43,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-01-10 02:23:43,843 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:23:43,843 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-01-10 02:23:43,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-10 02:23:43,843 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-01-10 02:23:43,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:23:43,844 INFO L85 PathProgramCache]: Analyzing trace with hash 28694756, now seen corresponding path program 1 times [2025-01-10 02:23:43,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:23:43,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737928081] [2025-01-10 02:23:43,844 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:23:43,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:23:43,850 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-01-10 02:23:43,857 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-01-10 02:23:43,857 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:23:43,857 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:23:43,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:23:43,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:23:43,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737928081] [2025-01-10 02:23:43,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1737928081] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:23:43,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:23:43,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 02:23:43,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829589873] [2025-01-10 02:23:43,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:23:43,882 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:23:43,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:23:43,882 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:23:43,882 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:23:43,882 INFO L87 Difference]: Start difference. First operand 124 states and 126 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 02:23:43,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:23:43,916 INFO L93 Difference]: Finished difference Result 185 states and 187 transitions. [2025-01-10 02:23:43,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 02:23:43,917 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2025-01-10 02:23:43,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:23:43,917 INFO L225 Difference]: With dead ends: 185 [2025-01-10 02:23:43,917 INFO L226 Difference]: Without dead ends: 128 [2025-01-10 02:23:43,918 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-10 02:23:43,918 INFO L435 NwaCegarLoop]: 122 mSDtfsCounter, 3 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:23:43,919 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 362 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:23:43,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2025-01-10 02:23:43,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2025-01-10 02:23:43,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 74 states have (on average 1.7027027027027026) internal successors, (126), 124 states have internal predecessors, (126), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:23:43,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 130 transitions. [2025-01-10 02:23:43,930 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 130 transitions. Word has length 5 [2025-01-10 02:23:43,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:23:43,930 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 130 transitions. [2025-01-10 02:23:43,930 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 02:23:43,930 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 130 transitions. [2025-01-10 02:23:43,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-01-10 02:23:43,931 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:23:43,931 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:23:43,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-10 02:23:43,931 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-01-10 02:23:43,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:23:43,931 INFO L85 PathProgramCache]: Analyzing trace with hash 1805858121, now seen corresponding path program 1 times [2025-01-10 02:23:43,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:23:43,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416711638] [2025-01-10 02:23:43,932 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:23:43,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:23:43,936 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-01-10 02:23:43,941 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-10 02:23:43,941 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:23:43,941 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:23:43,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:23:43,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:23:43,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416711638] [2025-01-10 02:23:43,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416711638] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:23:43,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:23:43,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 02:23:43,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138060491] [2025-01-10 02:23:43,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:23:43,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 02:23:43,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:23:43,972 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 02:23:43,972 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 02:23:43,972 INFO L87 Difference]: Start difference. First operand 128 states and 130 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 02:23:44,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:23:44,061 INFO L93 Difference]: Finished difference Result 233 states and 245 transitions. [2025-01-10 02:23:44,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 02:23:44,061 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2025-01-10 02:23:44,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:23:44,062 INFO L225 Difference]: With dead ends: 233 [2025-01-10 02:23:44,063 INFO L226 Difference]: Without dead ends: 222 [2025-01-10 02:23:44,063 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 02:23:44,063 INFO L435 NwaCegarLoop]: 101 mSDtfsCounter, 92 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:23:44,064 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 191 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:23:44,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2025-01-10 02:23:44,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 180. [2025-01-10 02:23:44,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 124 states have (on average 1.6693548387096775) internal successors, (207), 174 states have internal predecessors, (207), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-01-10 02:23:44,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 215 transitions. [2025-01-10 02:23:44,083 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 215 transitions. Word has length 7 [2025-01-10 02:23:44,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:23:44,083 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 215 transitions. [2025-01-10 02:23:44,083 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 02:23:44,083 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 215 transitions. [2025-01-10 02:23:44,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2025-01-10 02:23:44,083 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:23:44,083 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:23:44,083 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-10 02:23:44,083 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-01-10 02:23:44,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:23:44,084 INFO L85 PathProgramCache]: Analyzing trace with hash -441017269, now seen corresponding path program 1 times [2025-01-10 02:23:44,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:23:44,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124012778] [2025-01-10 02:23:44,084 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:23:44,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:23:44,087 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-01-10 02:23:44,095 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-01-10 02:23:44,095 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:23:44,095 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:23:44,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1123953970] [2025-01-10 02:23:44,098 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:23:44,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:23:44,099 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:23:44,100 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 02:23:44,103 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 02:23:44,127 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-01-10 02:23:44,133 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-01-10 02:23:44,133 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:23:44,133 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:23:44,134 INFO L256 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 02:23:44,136 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:23:44,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:23:44,150 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:23:44,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:23:44,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124012778] [2025-01-10 02:23:44,150 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:23:44,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1123953970] [2025-01-10 02:23:44,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1123953970] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:23:44,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:23:44,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 02:23:44,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177473612] [2025-01-10 02:23:44,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:23:44,151 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 02:23:44,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:23:44,151 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 02:23:44,152 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 02:23:44,152 INFO L87 Difference]: Start difference. First operand 180 states and 215 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 02:23:44,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:23:44,331 INFO L93 Difference]: Finished difference Result 213 states and 223 transitions. [2025-01-10 02:23:44,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 02:23:44,332 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2025-01-10 02:23:44,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:23:44,333 INFO L225 Difference]: With dead ends: 213 [2025-01-10 02:23:44,334 INFO L226 Difference]: Without dead ends: 186 [2025-01-10 02:23:44,335 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 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 02:23:44,335 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 52 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:23:44,335 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 102 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:23:44,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2025-01-10 02:23:44,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 184. [2025-01-10 02:23:44,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 128 states have (on average 1.46875) internal successors, (188), 178 states have internal predecessors, (188), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-01-10 02:23:44,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 196 transitions. [2025-01-10 02:23:44,351 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 196 transitions. Word has length 10 [2025-01-10 02:23:44,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:23:44,351 INFO L471 AbstractCegarLoop]: Abstraction has 184 states and 196 transitions. [2025-01-10 02:23:44,351 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 02:23:44,351 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 196 transitions. [2025-01-10 02:23:44,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-01-10 02:23:44,352 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:23:44,352 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:23:44,359 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-01-10 02:23:44,552 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:23:44,552 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-01-10 02:23:44,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:23:44,553 INFO L85 PathProgramCache]: Analyzing trace with hash -214514351, now seen corresponding path program 1 times [2025-01-10 02:23:44,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:23:44,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523637420] [2025-01-10 02:23:44,553 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:23:44,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:23:44,556 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-01-10 02:23:44,561 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-01-10 02:23:44,561 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:23:44,561 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:23:44,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:23:44,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:23:44,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523637420] [2025-01-10 02:23:44,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [523637420] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:23:44,605 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:23:44,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:23:44,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761750063] [2025-01-10 02:23:44,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:23:44,605 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:23:44,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:23:44,606 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:23:44,606 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:23:44,606 INFO L87 Difference]: Start difference. First operand 184 states and 196 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 02:23:44,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:23:44,810 INFO L93 Difference]: Finished difference Result 201 states and 207 transitions. [2025-01-10 02:23:44,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:23:44,811 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2025-01-10 02:23:44,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:23:44,811 INFO L225 Difference]: With dead ends: 201 [2025-01-10 02:23:44,811 INFO L226 Difference]: Without dead ends: 167 [2025-01-10 02:23:44,812 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:23:44,812 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 67 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:23:44,812 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 203 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:23:44,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2025-01-10 02:23:44,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 156. [2025-01-10 02:23:44,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 101 states have (on average 1.5346534653465347) internal successors, (155), 151 states have internal predecessors, (155), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-01-10 02:23:44,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 161 transitions. [2025-01-10 02:23:44,820 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 161 transitions. Word has length 15 [2025-01-10 02:23:44,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:23:44,820 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 161 transitions. [2025-01-10 02:23:44,820 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 02:23:44,820 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 161 transitions. [2025-01-10 02:23:44,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2025-01-10 02:23:44,821 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:23:44,821 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:23:44,821 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-10 02:23:44,821 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-01-10 02:23:44,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:23:44,821 INFO L85 PathProgramCache]: Analyzing trace with hash 691485682, now seen corresponding path program 1 times [2025-01-10 02:23:44,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:23:44,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689575100] [2025-01-10 02:23:44,822 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:23:44,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:23:44,826 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-01-10 02:23:44,832 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-01-10 02:23:44,832 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:23:44,832 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:23:44,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:23:44,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:23:44,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689575100] [2025-01-10 02:23:44,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1689575100] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:23:44,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:23:44,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 02:23:44,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194020580] [2025-01-10 02:23:44,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:23:44,880 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 02:23:44,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:23:44,881 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 02:23:44,881 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 02:23:44,881 INFO L87 Difference]: Start difference. First operand 156 states and 161 transitions. Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:23:44,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:23:44,892 INFO L93 Difference]: Finished difference Result 158 states and 161 transitions. [2025-01-10 02:23:44,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 02:23:44,893 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 35 [2025-01-10 02:23:44,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:23:44,893 INFO L225 Difference]: With dead ends: 158 [2025-01-10 02:23:44,893 INFO L226 Difference]: Without dead ends: 156 [2025-01-10 02:23:44,893 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 02:23:44,894 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 1 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 242 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:23:44,894 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 242 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:23:44,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2025-01-10 02:23:44,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2025-01-10 02:23:44,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 101 states have (on average 1.5148514851485149) internal successors, (153), 151 states have internal predecessors, (153), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-01-10 02:23:44,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 159 transitions. [2025-01-10 02:23:44,903 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 159 transitions. Word has length 35 [2025-01-10 02:23:44,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:23:44,904 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 159 transitions. [2025-01-10 02:23:44,905 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:23:44,905 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 159 transitions. [2025-01-10 02:23:44,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-01-10 02:23:44,905 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:23:44,906 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:23:44,906 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-01-10 02:23:44,906 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-01-10 02:23:44,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:23:44,906 INFO L85 PathProgramCache]: Analyzing trace with hash 1371245366, now seen corresponding path program 1 times [2025-01-10 02:23:44,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:23:44,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458423129] [2025-01-10 02:23:44,907 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:23:44,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:23:44,913 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-01-10 02:23:44,924 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-01-10 02:23:44,926 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:23:44,926 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:23:44,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [566242691] [2025-01-10 02:23:44,927 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:23:44,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:23:44,927 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:23:44,929 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 02:23:44,930 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 02:23:44,948 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-01-10 02:23:44,958 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-01-10 02:23:44,958 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:23:44,958 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:23:44,958 INFO L256 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 02:23:44,959 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:23:45,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:23:45,016 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:23:45,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:23:45,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458423129] [2025-01-10 02:23:45,016 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:23:45,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [566242691] [2025-01-10 02:23:45,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [566242691] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:23:45,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:23:45,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:23:45,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412896676] [2025-01-10 02:23:45,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:23:45,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:23:45,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:23:45,016 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:23:45,016 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:23:45,017 INFO L87 Difference]: Start difference. First operand 156 states and 159 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:23:45,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:23:45,236 INFO L93 Difference]: Finished difference Result 256 states and 280 transitions. [2025-01-10 02:23:45,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:23:45,236 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 40 [2025-01-10 02:23:45,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:23:45,237 INFO L225 Difference]: With dead ends: 256 [2025-01-10 02:23:45,237 INFO L226 Difference]: Without dead ends: 230 [2025-01-10 02:23:45,238 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:23:45,238 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 71 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 292 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:23:45,238 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 121 Invalid, 317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 292 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:23:45,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2025-01-10 02:23:45,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 221. [2025-01-10 02:23:45,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 164 states have (on average 1.4695121951219512) internal successors, (241), 214 states have internal predecessors, (241), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-01-10 02:23:45,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 251 transitions. [2025-01-10 02:23:45,244 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 251 transitions. Word has length 40 [2025-01-10 02:23:45,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:23:45,244 INFO L471 AbstractCegarLoop]: Abstraction has 221 states and 251 transitions. [2025-01-10 02:23:45,244 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:23:45,244 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 251 transitions. [2025-01-10 02:23:45,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2025-01-10 02:23:45,244 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:23:45,244 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:23:45,250 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 02:23:45,445 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:23:45,445 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-01-10 02:23:45,445 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:23:45,445 INFO L85 PathProgramCache]: Analyzing trace with hash 1336855546, now seen corresponding path program 1 times [2025-01-10 02:23:45,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:23:45,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664309616] [2025-01-10 02:23:45,448 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:23:45,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:23:45,454 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-01-10 02:23:45,459 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-01-10 02:23:45,459 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:23:45,459 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:23:45,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:23:45,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:23:45,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664309616] [2025-01-10 02:23:45,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664309616] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:23:45,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:23:45,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:23:45,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884058715] [2025-01-10 02:23:45,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:23:45,515 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:23:45,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:23:45,515 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:23:45,518 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:23:45,518 INFO L87 Difference]: Start difference. First operand 221 states and 251 transitions. Second operand has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:23:45,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:23:45,586 INFO L93 Difference]: Finished difference Result 222 states and 251 transitions. [2025-01-10 02:23:45,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 02:23:45,587 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 43 [2025-01-10 02:23:45,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:23:45,589 INFO L225 Difference]: With dead ends: 222 [2025-01-10 02:23:45,589 INFO L226 Difference]: Without dead ends: 221 [2025-01-10 02:23:45,589 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:23:45,590 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 34 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:23:45,590 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 185 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:23:45,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2025-01-10 02:23:45,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 221. [2025-01-10 02:23:45,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 164 states have (on average 1.4634146341463414) internal successors, (240), 214 states have internal predecessors, (240), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-01-10 02:23:45,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 250 transitions. [2025-01-10 02:23:45,598 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 250 transitions. Word has length 43 [2025-01-10 02:23:45,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:23:45,599 INFO L471 AbstractCegarLoop]: Abstraction has 221 states and 250 transitions. [2025-01-10 02:23:45,599 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:23:45,599 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 250 transitions. [2025-01-10 02:23:45,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2025-01-10 02:23:45,600 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:23:45,600 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:23:45,600 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-01-10 02:23:45,600 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-01-10 02:23:45,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:23:45,600 INFO L85 PathProgramCache]: Analyzing trace with hash -1507150918, now seen corresponding path program 1 times [2025-01-10 02:23:45,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:23:45,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519781694] [2025-01-10 02:23:45,600 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:23:45,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:23:45,607 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-01-10 02:23:45,612 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-01-10 02:23:45,613 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:23:45,613 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:23:45,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:23:45,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:23:45,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519781694] [2025-01-10 02:23:45,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519781694] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:23:45,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:23:45,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:23:45,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181105036] [2025-01-10 02:23:45,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:23:45,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:23:45,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:23:45,659 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:23:45,659 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:23:45,659 INFO L87 Difference]: Start difference. First operand 221 states and 250 transitions. Second operand has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:23:45,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:23:45,815 INFO L93 Difference]: Finished difference Result 222 states and 250 transitions. [2025-01-10 02:23:45,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:23:45,816 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 44 [2025-01-10 02:23:45,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:23:45,817 INFO L225 Difference]: With dead ends: 222 [2025-01-10 02:23:45,817 INFO L226 Difference]: Without dead ends: 221 [2025-01-10 02:23:45,817 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:23:45,818 INFO L435 NwaCegarLoop]: 100 mSDtfsCounter, 30 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:23:45,818 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 210 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:23:45,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2025-01-10 02:23:45,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 221. [2025-01-10 02:23:45,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 164 states have (on average 1.4573170731707317) internal successors, (239), 214 states have internal predecessors, (239), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-01-10 02:23:45,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 249 transitions. [2025-01-10 02:23:45,825 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 249 transitions. Word has length 44 [2025-01-10 02:23:45,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:23:45,826 INFO L471 AbstractCegarLoop]: Abstraction has 221 states and 249 transitions. [2025-01-10 02:23:45,826 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:23:45,826 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 249 transitions. [2025-01-10 02:23:45,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2025-01-10 02:23:45,826 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:23:45,826 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:23:45,826 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-01-10 02:23:45,827 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-01-10 02:23:45,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:23:45,827 INFO L85 PathProgramCache]: Analyzing trace with hash 55150060, now seen corresponding path program 1 times [2025-01-10 02:23:45,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:23:45,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885147738] [2025-01-10 02:23:45,827 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:23:45,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:23:45,831 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-01-10 02:23:45,837 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-01-10 02:23:45,837 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:23:45,837 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:23:45,895 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:23:45,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:23:45,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885147738] [2025-01-10 02:23:45,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885147738] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:23:45,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1135995013] [2025-01-10 02:23:45,896 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:23:45,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:23:45,896 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:23:45,898 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 02:23:45,910 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 02:23:45,930 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-01-10 02:23:45,938 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-01-10 02:23:45,939 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:23:45,939 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:23:45,939 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 02:23:45,940 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:23:46,014 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:23:46,015 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:23:46,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1135995013] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:23:46,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:23:46,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2025-01-10 02:23:46,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868251051] [2025-01-10 02:23:46,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:23:46,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 02:23:46,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:23:46,016 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 02:23:46,016 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2025-01-10 02:23:46,016 INFO L87 Difference]: Start difference. First operand 221 states and 249 transitions. Second operand has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:23:46,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:23:46,052 INFO L93 Difference]: Finished difference Result 304 states and 342 transitions. [2025-01-10 02:23:46,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 02:23:46,052 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 47 [2025-01-10 02:23:46,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:23:46,054 INFO L225 Difference]: With dead ends: 304 [2025-01-10 02:23:46,054 INFO L226 Difference]: Without dead ends: 303 [2025-01-10 02:23:46,054 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2025-01-10 02:23:46,055 INFO L435 NwaCegarLoop]: 172 mSDtfsCounter, 85 mSDsluCounter, 392 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 564 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:23:46,055 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 564 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:23:46,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2025-01-10 02:23:46,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 238. [2025-01-10 02:23:46,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 179 states have (on average 1.458100558659218) internal successors, (261), 230 states have internal predecessors, (261), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 5 states have call predecessors, (7), 7 states have call successors, (7) [2025-01-10 02:23:46,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 275 transitions. [2025-01-10 02:23:46,062 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 275 transitions. Word has length 47 [2025-01-10 02:23:46,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:23:46,062 INFO L471 AbstractCegarLoop]: Abstraction has 238 states and 275 transitions. [2025-01-10 02:23:46,062 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:23:46,062 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 275 transitions. [2025-01-10 02:23:46,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2025-01-10 02:23:46,064 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:23:46,064 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:23:46,070 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-01-10 02:23:46,265 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:23:46,265 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-01-10 02:23:46,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:23:46,266 INFO L85 PathProgramCache]: Analyzing trace with hash 1459601489, now seen corresponding path program 1 times [2025-01-10 02:23:46,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:23:46,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761539930] [2025-01-10 02:23:46,266 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:23:46,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:23:46,271 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-01-10 02:23:46,277 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-01-10 02:23:46,278 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:23:46,278 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:23:46,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [897871809] [2025-01-10 02:23:46,279 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:23:46,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:23:46,279 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:23:46,280 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 02:23:46,282 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 02:23:46,300 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-01-10 02:23:46,310 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-01-10 02:23:46,311 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:23:46,311 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:23:46,311 INFO L256 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-01-10 02:23:46,312 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:23:46,465 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:23:46,466 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:23:46,599 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:23:46,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:23:46,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761539930] [2025-01-10 02:23:46,600 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:23:46,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [897871809] [2025-01-10 02:23:46,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [897871809] provided 1 perfect and 1 imperfect interpolant sequences [2025-01-10 02:23:46,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:23:46,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2025-01-10 02:23:46,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584973319] [2025-01-10 02:23:46,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:23:46,601 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-10 02:23:46,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:23:46,601 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-10 02:23:46,601 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2025-01-10 02:23:46,601 INFO L87 Difference]: Start difference. First operand 238 states and 275 transitions. Second operand has 7 states, 6 states have (on average 7.833333333333333) internal successors, (47), 7 states have internal predecessors, (47), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:23:47,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:23:47,152 INFO L93 Difference]: Finished difference Result 280 states and 340 transitions. [2025-01-10 02:23:47,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-10 02:23:47,152 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.833333333333333) internal successors, (47), 7 states have internal predecessors, (47), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 49 [2025-01-10 02:23:47,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:23:47,154 INFO L225 Difference]: With dead ends: 280 [2025-01-10 02:23:47,154 INFO L226 Difference]: Without dead ends: 277 [2025-01-10 02:23:47,154 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2025-01-10 02:23:47,155 INFO L435 NwaCegarLoop]: 43 mSDtfsCounter, 200 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 629 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 629 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-01-10 02:23:47,155 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 147 Invalid, 640 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 629 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-01-10 02:23:47,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2025-01-10 02:23:47,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 235. [2025-01-10 02:23:47,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 179 states have (on average 1.4301675977653632) internal successors, (256), 227 states have internal predecessors, (256), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 5 states have call predecessors, (7), 7 states have call successors, (7) [2025-01-10 02:23:47,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 270 transitions. [2025-01-10 02:23:47,161 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 270 transitions. Word has length 49 [2025-01-10 02:23:47,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:23:47,162 INFO L471 AbstractCegarLoop]: Abstraction has 235 states and 270 transitions. [2025-01-10 02:23:47,162 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.833333333333333) internal successors, (47), 7 states have internal predecessors, (47), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:23:47,162 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 270 transitions. [2025-01-10 02:23:47,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2025-01-10 02:23:47,162 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:23:47,162 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:23:47,168 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 02:23:47,367 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,SelfDestructingSolverStorable10 [2025-01-10 02:23:47,367 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-01-10 02:23:47,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:23:47,367 INFO L85 PathProgramCache]: Analyzing trace with hash 1459601624, now seen corresponding path program 1 times [2025-01-10 02:23:47,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:23:47,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004113166] [2025-01-10 02:23:47,368 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:23:47,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:23:47,372 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-01-10 02:23:47,376 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-01-10 02:23:47,376 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:23:47,376 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:23:47,431 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:23:47,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:23:47,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004113166] [2025-01-10 02:23:47,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004113166] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:23:47,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1793843459] [2025-01-10 02:23:47,432 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:23:47,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:23:47,432 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:23:47,433 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 02:23:47,435 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 02:23:47,452 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-01-10 02:23:47,461 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-01-10 02:23:47,461 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:23:47,461 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:23:47,461 INFO L256 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 02:23:47,462 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:23:47,507 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:23:47,507 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:23:47,579 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:23:47,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1793843459] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:23:47,579 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:23:47,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 6] total 10 [2025-01-10 02:23:47,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246216405] [2025-01-10 02:23:47,579 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:23:47,580 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-01-10 02:23:47,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:23:47,580 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-01-10 02:23:47,580 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2025-01-10 02:23:47,581 INFO L87 Difference]: Start difference. First operand 235 states and 270 transitions. Second operand has 10 states, 10 states have (on average 9.3) internal successors, (93), 10 states have internal predecessors, (93), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-01-10 02:23:47,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:23:47,671 INFO L93 Difference]: Finished difference Result 472 states and 493 transitions. [2025-01-10 02:23:47,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-10 02:23:47,671 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.3) internal successors, (93), 10 states have internal predecessors, (93), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 49 [2025-01-10 02:23:47,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:23:47,673 INFO L225 Difference]: With dead ends: 472 [2025-01-10 02:23:47,673 INFO L226 Difference]: Without dead ends: 390 [2025-01-10 02:23:47,674 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=173, Unknown=0, NotChecked=0, Total=272 [2025-01-10 02:23:47,674 INFO L435 NwaCegarLoop]: 157 mSDtfsCounter, 188 mSDsluCounter, 754 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 911 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:23:47,674 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 911 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:23:47,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2025-01-10 02:23:47,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 295. [2025-01-10 02:23:47,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 235 states have (on average 1.4553191489361703) internal successors, (342), 283 states have internal predecessors, (342), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2025-01-10 02:23:47,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 358 transitions. [2025-01-10 02:23:47,684 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 358 transitions. Word has length 49 [2025-01-10 02:23:47,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:23:47,684 INFO L471 AbstractCegarLoop]: Abstraction has 295 states and 358 transitions. [2025-01-10 02:23:47,684 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.3) internal successors, (93), 10 states have internal predecessors, (93), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-01-10 02:23:47,685 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 358 transitions. [2025-01-10 02:23:47,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2025-01-10 02:23:47,686 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:23:47,687 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:23:47,692 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 02:23:47,887 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2025-01-10 02:23:47,887 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-01-10 02:23:47,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:23:47,887 INFO L85 PathProgramCache]: Analyzing trace with hash -1996994047, now seen corresponding path program 1 times [2025-01-10 02:23:47,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:23:47,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078468985] [2025-01-10 02:23:47,887 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:23:47,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:23:47,891 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-01-10 02:23:47,902 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-01-10 02:23:47,905 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:23:47,906 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:23:47,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [959107583] [2025-01-10 02:23:47,906 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:23:47,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:23:47,906 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:23:47,911 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 02:23:47,912 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 02:23:47,930 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-01-10 02:23:47,943 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-01-10 02:23:47,943 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:23:47,943 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:23:47,943 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-01-10 02:23:47,944 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:23:48,051 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:23:48,051 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:23:48,137 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:23:48,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:23:48,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078468985] [2025-01-10 02:23:48,139 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:23:48,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [959107583] [2025-01-10 02:23:48,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [959107583] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:23:48,139 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 02:23:48,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2025-01-10 02:23:48,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739745347] [2025-01-10 02:23:48,139 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 02:23:48,139 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-10 02:23:48,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:23:48,140 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-10 02:23:48,140 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2025-01-10 02:23:48,140 INFO L87 Difference]: Start difference. First operand 295 states and 358 transitions. Second operand has 8 states, 7 states have (on average 13.142857142857142) internal successors, (92), 8 states have internal predecessors, (92), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:23:48,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:23:48,488 INFO L93 Difference]: Finished difference Result 316 states and 364 transitions. [2025-01-10 02:23:48,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-10 02:23:48,489 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 13.142857142857142) internal successors, (92), 8 states have internal predecessors, (92), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 50 [2025-01-10 02:23:48,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:23:48,491 INFO L225 Difference]: With dead ends: 316 [2025-01-10 02:23:48,491 INFO L226 Difference]: Without dead ends: 304 [2025-01-10 02:23:48,491 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2025-01-10 02:23:48,492 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 187 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 520 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 520 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 02:23:48,492 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 230 Invalid, 539 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 520 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 02:23:48,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2025-01-10 02:23:48,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 290. [2025-01-10 02:23:48,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 236 states have (on average 1.3728813559322033) internal successors, (324), 277 states have internal predecessors, (324), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2025-01-10 02:23:48,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 340 transitions. [2025-01-10 02:23:48,502 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 340 transitions. Word has length 50 [2025-01-10 02:23:48,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:23:48,502 INFO L471 AbstractCegarLoop]: Abstraction has 290 states and 340 transitions. [2025-01-10 02:23:48,503 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 13.142857142857142) internal successors, (92), 8 states have internal predecessors, (92), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:23:48,503 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 340 transitions. [2025-01-10 02:23:48,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2025-01-10 02:23:48,503 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:23:48,503 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:23:48,509 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 02:23:48,708 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,SelfDestructingSolverStorable12 [2025-01-10 02:23:48,708 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-01-10 02:23:48,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:23:48,708 INFO L85 PathProgramCache]: Analyzing trace with hash -1929656231, now seen corresponding path program 1 times [2025-01-10 02:23:48,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:23:48,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763414219] [2025-01-10 02:23:48,708 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:23:48,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:23:48,712 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 57 statements into 1 equivalence classes. [2025-01-10 02:23:48,729 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 57 of 57 statements. [2025-01-10 02:23:48,729 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:23:48,729 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:23:48,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [157175454] [2025-01-10 02:23:48,730 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:23:48,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:23:48,730 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:23:48,731 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 02:23:48,733 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 02:23:48,750 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 57 statements into 1 equivalence classes. [2025-01-10 02:23:48,759 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 57 of 57 statements. [2025-01-10 02:23:48,760 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:23:48,760 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:23:48,760 INFO L256 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-01-10 02:23:48,761 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:23:48,917 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:23:48,917 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:23:48,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:23:48,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763414219] [2025-01-10 02:23:48,917 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:23:48,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [157175454] [2025-01-10 02:23:48,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [157175454] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:23:48,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:23:48,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-10 02:23:48,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830759528] [2025-01-10 02:23:48,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:23:48,918 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-10 02:23:48,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:23:48,918 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 02:23:48,918 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-01-10 02:23:48,918 INFO L87 Difference]: Start difference. First operand 290 states and 340 transitions. Second operand has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:23:49,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:23:49,091 INFO L93 Difference]: Finished difference Result 300 states and 350 transitions. [2025-01-10 02:23:49,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 02:23:49,092 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 57 [2025-01-10 02:23:49,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:23:49,096 INFO L225 Difference]: With dead ends: 300 [2025-01-10 02:23:49,096 INFO L226 Difference]: Without dead ends: 229 [2025-01-10 02:23:49,096 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 52 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 02:23:49,096 INFO L435 NwaCegarLoop]: 30 mSDtfsCounter, 100 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:23:49,096 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 63 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:23:49,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2025-01-10 02:23:49,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 217. [2025-01-10 02:23:49,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 189 states have (on average 1.1851851851851851) internal successors, (224), 206 states have internal predecessors, (224), 5 states have call successors, (5), 5 states have call predecessors, (5), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-01-10 02:23:49,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 234 transitions. [2025-01-10 02:23:49,102 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 234 transitions. Word has length 57 [2025-01-10 02:23:49,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:23:49,102 INFO L471 AbstractCegarLoop]: Abstraction has 217 states and 234 transitions. [2025-01-10 02:23:49,103 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:23:49,103 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 234 transitions. [2025-01-10 02:23:49,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2025-01-10 02:23:49,103 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:23:49,103 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:23:49,109 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 02:23:49,303 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:23:49,304 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-01-10 02:23:49,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:23:49,304 INFO L85 PathProgramCache]: Analyzing trace with hash 1579444947, now seen corresponding path program 1 times [2025-01-10 02:23:49,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:23:49,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813461482] [2025-01-10 02:23:49,304 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:23:49,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:23:49,308 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-01-10 02:23:49,315 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-01-10 02:23:49,315 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:23:49,315 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:23:49,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [57256177] [2025-01-10 02:23:49,315 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:23:49,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:23:49,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:23:49,318 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 02:23:49,319 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 02:23:49,338 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-01-10 02:23:49,352 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-01-10 02:23:49,352 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:23:49,352 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:23:49,352 INFO L256 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 02:23:49,354 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:23:49,505 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 02:23:49,505 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:23:49,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:23:49,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813461482] [2025-01-10 02:23:49,653 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:23:49,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [57256177] [2025-01-10 02:23:49,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [57256177] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:23:49,653 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:23:49,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-01-10 02:23:49,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556099677] [2025-01-10 02:23:49,653 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:23:49,653 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 02:23:49,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:23:49,654 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 02:23:49,654 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2025-01-10 02:23:49,654 INFO L87 Difference]: Start difference. First operand 217 states and 234 transitions. Second operand has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:23:49,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:23:49,768 INFO L93 Difference]: Finished difference Result 217 states and 234 transitions. [2025-01-10 02:23:49,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 02:23:49,769 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 77 [2025-01-10 02:23:49,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:23:49,770 INFO L225 Difference]: With dead ends: 217 [2025-01-10 02:23:49,770 INFO L226 Difference]: Without dead ends: 215 [2025-01-10 02:23:49,770 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2025-01-10 02:23:49,770 INFO L435 NwaCegarLoop]: 28 mSDtfsCounter, 63 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:23:49,771 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 48 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:23:49,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2025-01-10 02:23:49,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 215. [2025-01-10 02:23:49,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 189 states have (on average 1.1587301587301588) internal successors, (219), 204 states have internal predecessors, (219), 5 states have call successors, (5), 5 states have call predecessors, (5), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-01-10 02:23:49,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 229 transitions. [2025-01-10 02:23:49,778 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 229 transitions. Word has length 77 [2025-01-10 02:23:49,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:23:49,778 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 229 transitions. [2025-01-10 02:23:49,779 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:23:49,779 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 229 transitions. [2025-01-10 02:23:49,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2025-01-10 02:23:49,779 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:23:49,779 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:23:49,785 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 02:23:49,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2025-01-10 02:23:49,983 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-01-10 02:23:49,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:23:49,984 INFO L85 PathProgramCache]: Analyzing trace with hash 1718153224, now seen corresponding path program 1 times [2025-01-10 02:23:49,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:23:49,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975966934] [2025-01-10 02:23:49,984 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:23:49,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:23:49,988 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 78 statements into 1 equivalence classes. [2025-01-10 02:23:49,994 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 78 of 78 statements. [2025-01-10 02:23:49,994 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:23:49,994 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:23:49,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [902621317] [2025-01-10 02:23:49,995 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:23:49,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:23:49,995 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:23:49,996 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 02:23:49,998 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 02:23:50,018 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 78 statements into 1 equivalence classes. [2025-01-10 02:23:50,034 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 78 of 78 statements. [2025-01-10 02:23:50,034 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:23:50,034 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:23:50,035 INFO L256 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-01-10 02:23:50,036 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:23:50,207 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 02:23:50,207 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:23:50,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:23:50,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975966934] [2025-01-10 02:23:50,280 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:23:50,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [902621317] [2025-01-10 02:23:50,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [902621317] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:23:50,280 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:23:50,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-01-10 02:23:50,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447811140] [2025-01-10 02:23:50,280 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:23:50,280 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-10 02:23:50,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:23:50,280 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 02:23:50,280 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2025-01-10 02:23:50,280 INFO L87 Difference]: Start difference. First operand 215 states and 229 transitions. Second operand has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:23:50,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:23:50,409 INFO L93 Difference]: Finished difference Result 224 states and 237 transitions. [2025-01-10 02:23:50,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 02:23:50,409 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 78 [2025-01-10 02:23:50,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:23:50,410 INFO L225 Difference]: With dead ends: 224 [2025-01-10 02:23:50,410 INFO L226 Difference]: Without dead ends: 220 [2025-01-10 02:23:50,411 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2025-01-10 02:23:50,411 INFO L435 NwaCegarLoop]: 47 mSDtfsCounter, 6 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 263 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 263 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:23:50,411 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 111 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 263 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:23:50,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2025-01-10 02:23:50,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 220. [2025-01-10 02:23:50,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 194 states have (on average 1.1494845360824741) internal successors, (223), 209 states have internal predecessors, (223), 5 states have call successors, (5), 5 states have call predecessors, (5), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-01-10 02:23:50,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 233 transitions. [2025-01-10 02:23:50,416 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 233 transitions. Word has length 78 [2025-01-10 02:23:50,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:23:50,417 INFO L471 AbstractCegarLoop]: Abstraction has 220 states and 233 transitions. [2025-01-10 02:23:50,417 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:23:50,417 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 233 transitions. [2025-01-10 02:23:50,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2025-01-10 02:23:50,417 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:23:50,417 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:23:50,424 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 02:23:50,618 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:23:50,618 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-01-10 02:23:50,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:23:50,618 INFO L85 PathProgramCache]: Analyzing trace with hash -1917413353, now seen corresponding path program 1 times [2025-01-10 02:23:50,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:23:50,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904626677] [2025-01-10 02:23:50,618 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:23:50,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:23:50,622 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-01-10 02:23:50,628 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-01-10 02:23:50,628 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:23:50,628 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:23:50,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1070419179] [2025-01-10 02:23:50,629 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:23:50,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:23:50,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:23:50,630 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 02:23:50,632 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 02:23:50,648 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-01-10 02:23:50,661 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-01-10 02:23:50,661 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:23:50,661 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:23:50,661 INFO L256 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-01-10 02:23:50,663 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:23:50,829 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 02:23:50,829 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:23:50,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:23:50,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904626677] [2025-01-10 02:23:50,929 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:23:50,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1070419179] [2025-01-10 02:23:50,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1070419179] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:23:50,929 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:23:50,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-01-10 02:23:50,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509431344] [2025-01-10 02:23:50,929 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:23:50,930 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 02:23:50,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:23:50,930 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 02:23:50,930 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2025-01-10 02:23:50,930 INFO L87 Difference]: Start difference. First operand 220 states and 233 transitions. Second operand has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:23:51,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:23:51,122 INFO L93 Difference]: Finished difference Result 221 states and 233 transitions. [2025-01-10 02:23:51,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 02:23:51,122 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 81 [2025-01-10 02:23:51,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:23:51,123 INFO L225 Difference]: With dead ends: 221 [2025-01-10 02:23:51,123 INFO L226 Difference]: Without dead ends: 215 [2025-01-10 02:23:51,124 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2025-01-10 02:23:51,124 INFO L435 NwaCegarLoop]: 51 mSDtfsCounter, 6 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:23:51,124 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 118 Invalid, 256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 256 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:23:51,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2025-01-10 02:23:51,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 215. [2025-01-10 02:23:51,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 189 states have (on average 1.1481481481481481) internal successors, (217), 204 states have internal predecessors, (217), 5 states have call successors, (5), 5 states have call predecessors, (5), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-01-10 02:23:51,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 227 transitions. [2025-01-10 02:23:51,131 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 227 transitions. Word has length 81 [2025-01-10 02:23:51,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:23:51,132 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 227 transitions. [2025-01-10 02:23:51,132 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:23:51,132 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 227 transitions. [2025-01-10 02:23:51,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2025-01-10 02:23:51,132 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:23:51,132 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:23:51,139 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 02:23:51,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2025-01-10 02:23:51,333 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-01-10 02:23:51,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:23:51,334 INFO L85 PathProgramCache]: Analyzing trace with hash 1784316206, now seen corresponding path program 1 times [2025-01-10 02:23:51,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:23:51,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725483055] [2025-01-10 02:23:51,334 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:23:51,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:23:51,340 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 82 statements into 1 equivalence classes. [2025-01-10 02:23:51,351 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 82 of 82 statements. [2025-01-10 02:23:51,353 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:23:51,353 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:23:51,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2095362037] [2025-01-10 02:23:51,354 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:23:51,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:23:51,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:23:51,358 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 02:23:51,359 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 02:23:51,381 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 82 statements into 1 equivalence classes. [2025-01-10 02:23:51,395 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 82 of 82 statements. [2025-01-10 02:23:51,396 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:23:51,396 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:23:51,396 INFO L256 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-10 02:23:51,397 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:23:51,464 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 02:23:51,464 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:23:51,591 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 02:23:51,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:23:51,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725483055] [2025-01-10 02:23:51,591 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:23:51,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2095362037] [2025-01-10 02:23:51,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2095362037] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:23:51,591 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 02:23:51,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2025-01-10 02:23:51,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985964265] [2025-01-10 02:23:51,591 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 02:23:51,592 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-10 02:23:51,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:23:51,592 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-10 02:23:51,592 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-01-10 02:23:51,592 INFO L87 Difference]: Start difference. First operand 215 states and 227 transitions. Second operand has 8 states, 7 states have (on average 20.857142857142858) internal successors, (146), 8 states have internal predecessors, (146), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-01-10 02:23:51,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:23:51,778 INFO L93 Difference]: Finished difference Result 224 states and 235 transitions. [2025-01-10 02:23:51,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-10 02:23:51,778 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 20.857142857142858) internal successors, (146), 8 states have internal predecessors, (146), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 82 [2025-01-10 02:23:51,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:23:51,779 INFO L225 Difference]: With dead ends: 224 [2025-01-10 02:23:51,779 INFO L226 Difference]: Without dead ends: 218 [2025-01-10 02:23:51,779 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2025-01-10 02:23:51,779 INFO L435 NwaCegarLoop]: 47 mSDtfsCounter, 140 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 339 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:23:51,779 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 154 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 339 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:23:51,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2025-01-10 02:23:51,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 211. [2025-01-10 02:23:51,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 189 states have (on average 1.1005291005291005) internal successors, (208), 200 states have internal predecessors, (208), 5 states have call successors, (5), 5 states have call predecessors, (5), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-01-10 02:23:51,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 218 transitions. [2025-01-10 02:23:51,785 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 218 transitions. Word has length 82 [2025-01-10 02:23:51,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:23:51,785 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 218 transitions. [2025-01-10 02:23:51,785 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 20.857142857142858) internal successors, (146), 8 states have internal predecessors, (146), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-01-10 02:23:51,785 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 218 transitions. [2025-01-10 02:23:51,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2025-01-10 02:23:51,786 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:23:51,786 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2025-01-10 02:23:51,791 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 02:23:51,986 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,SelfDestructingSolverStorable17 [2025-01-10 02:23:51,987 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-01-10 02:23:51,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:23:51,987 INFO L85 PathProgramCache]: Analyzing trace with hash -1105744896, now seen corresponding path program 2 times [2025-01-10 02:23:51,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:23:51,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687068792] [2025-01-10 02:23:51,987 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 02:23:51,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:23:51,992 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 120 statements into 2 equivalence classes. [2025-01-10 02:23:52,000 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 120 of 120 statements. [2025-01-10 02:23:52,001 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 02:23:52,001 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:23:52,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [358293452] [2025-01-10 02:23:52,001 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 02:23:52,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:23:52,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:23:52,003 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 02:23:52,005 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 02:23:52,024 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 120 statements into 2 equivalence classes. [2025-01-10 02:23:52,032 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 36 of 120 statements. [2025-01-10 02:23:52,032 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-10 02:23:52,032 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:23:52,033 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 02:23:52,035 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:23:52,303 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2025-01-10 02:23:52,303 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:23:52,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:23:52,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687068792] [2025-01-10 02:23:52,303 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:23:52,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [358293452] [2025-01-10 02:23:52,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [358293452] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:23:52,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:23:52,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:23:52,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454405792] [2025-01-10 02:23:52,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:23:52,304 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:23:52,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:23:52,305 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:23:52,305 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:23:52,305 INFO L87 Difference]: Start difference. First operand 211 states and 218 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:23:52,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:23:52,373 INFO L93 Difference]: Finished difference Result 213 states and 218 transitions. [2025-01-10 02:23:52,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:23:52,373 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 120 [2025-01-10 02:23:52,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:23:52,374 INFO L225 Difference]: With dead ends: 213 [2025-01-10 02:23:52,374 INFO L226 Difference]: Without dead ends: 204 [2025-01-10 02:23:52,374 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:23:52,374 INFO L435 NwaCegarLoop]: 40 mSDtfsCounter, 47 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:23:52,375 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 57 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:23:52,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2025-01-10 02:23:52,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 204. [2025-01-10 02:23:52,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 183 states have (on average 1.0765027322404372) internal successors, (197), 193 states have internal predecessors, (197), 5 states have call successors, (5), 5 states have call predecessors, (5), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-01-10 02:23:52,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 207 transitions. [2025-01-10 02:23:52,381 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 207 transitions. Word has length 120 [2025-01-10 02:23:52,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:23:52,382 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 207 transitions. [2025-01-10 02:23:52,382 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:23:52,382 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 207 transitions. [2025-01-10 02:23:52,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2025-01-10 02:23:52,382 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:23:52,382 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1] [2025-01-10 02:23:52,388 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2025-01-10 02:23:52,586 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:23:52,587 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-01-10 02:23:52,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:23:52,587 INFO L85 PathProgramCache]: Analyzing trace with hash -1105743710, now seen corresponding path program 1 times [2025-01-10 02:23:52,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:23:52,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796683554] [2025-01-10 02:23:52,587 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:23:52,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:23:52,592 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 120 statements into 1 equivalence classes. [2025-01-10 02:23:52,598 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 120 of 120 statements. [2025-01-10 02:23:52,598 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:23:52,598 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:23:52,678 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2025-01-10 02:23:52,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:23:52,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796683554] [2025-01-10 02:23:52,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796683554] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:23:52,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [466870585] [2025-01-10 02:23:52,678 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:23:52,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:23:52,679 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:23:52,683 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 02:23:52,684 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 02:23:52,704 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 120 statements into 1 equivalence classes. [2025-01-10 02:23:52,722 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 120 of 120 statements. [2025-01-10 02:23:52,722 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:23:52,722 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:23:52,723 INFO L256 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 02:23:52,724 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:23:52,841 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 02:23:52,841 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:23:52,948 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 02:23:52,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [466870585] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:23:52,948 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:23:52,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 4, 4] total 9 [2025-01-10 02:23:52,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485616517] [2025-01-10 02:23:52,948 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:23:52,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-01-10 02:23:52,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:23:52,949 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-01-10 02:23:52,949 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2025-01-10 02:23:52,950 INFO L87 Difference]: Start difference. First operand 204 states and 207 transitions. Second operand has 10 states, 9 states have (on average 28.11111111111111) internal successors, (253), 10 states have internal predecessors, (253), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-01-10 02:23:53,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:23:53,006 INFO L93 Difference]: Finished difference Result 233 states and 235 transitions. [2025-01-10 02:23:53,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-10 02:23:53,007 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 28.11111111111111) internal successors, (253), 10 states have internal predecessors, (253), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Word has length 120 [2025-01-10 02:23:53,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:23:53,008 INFO L225 Difference]: With dead ends: 233 [2025-01-10 02:23:53,008 INFO L226 Difference]: Without dead ends: 232 [2025-01-10 02:23:53,011 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=88, Invalid=122, Unknown=0, NotChecked=0, Total=210 [2025-01-10 02:23:53,012 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 127 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:23:53,012 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 269 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:23:53,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2025-01-10 02:23:53,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 203. [2025-01-10 02:23:53,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 183 states have (on average 1.0655737704918034) internal successors, (195), 192 states have internal predecessors, (195), 5 states have call successors, (5), 5 states have call predecessors, (5), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-01-10 02:23:53,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 205 transitions. [2025-01-10 02:23:53,018 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 205 transitions. Word has length 120 [2025-01-10 02:23:53,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:23:53,018 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 205 transitions. [2025-01-10 02:23:53,018 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 28.11111111111111) internal successors, (253), 10 states have internal predecessors, (253), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-01-10 02:23:53,018 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 205 transitions. [2025-01-10 02:23:53,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2025-01-10 02:23:53,019 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:23:53,019 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1] [2025-01-10 02:23:53,025 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2025-01-10 02:23:53,219 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 02:23:53,219 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-01-10 02:23:53,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:23:53,220 INFO L85 PathProgramCache]: Analyzing trace with hash 121560424, now seen corresponding path program 1 times [2025-01-10 02:23:53,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:23:53,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772075974] [2025-01-10 02:23:53,220 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:23:53,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:23:53,225 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 126 statements into 1 equivalence classes. [2025-01-10 02:23:53,233 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 126 of 126 statements. [2025-01-10 02:23:53,233 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:23:53,233 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:23:53,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2015641337] [2025-01-10 02:23:53,233 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:23:53,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:23:53,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:23:53,235 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 02:23:53,237 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 02:23:53,257 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 126 statements into 1 equivalence classes. [2025-01-10 02:23:53,275 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 126 of 126 statements. [2025-01-10 02:23:53,275 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:23:53,275 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:23:53,275 INFO L256 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 02:23:53,276 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:23:53,373 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 02:23:53,373 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:23:53,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:23:53,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772075974] [2025-01-10 02:23:53,416 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:23:53,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2015641337] [2025-01-10 02:23:53,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2015641337] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:23:53,416 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:23:53,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-01-10 02:23:53,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807019982] [2025-01-10 02:23:53,416 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:23:53,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-10 02:23:53,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:23:53,426 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 02:23:53,426 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2025-01-10 02:23:53,426 INFO L87 Difference]: Start difference. First operand 203 states and 205 transitions. Second operand has 6 states, 5 states have (on average 22.8) internal successors, (114), 6 states have internal predecessors, (114), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-01-10 02:23:53,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:23:53,547 INFO L93 Difference]: Finished difference Result 234 states and 237 transitions. [2025-01-10 02:23:53,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 02:23:53,548 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 22.8) internal successors, (114), 6 states have internal predecessors, (114), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 126 [2025-01-10 02:23:53,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:23:53,549 INFO L225 Difference]: With dead ends: 234 [2025-01-10 02:23:53,549 INFO L226 Difference]: Without dead ends: 232 [2025-01-10 02:23:53,549 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2025-01-10 02:23:53,549 INFO L435 NwaCegarLoop]: 40 mSDtfsCounter, 34 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:23:53,549 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 91 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:23:53,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2025-01-10 02:23:53,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 209. [2025-01-10 02:23:53,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 189 states have (on average 1.0634920634920635) internal successors, (201), 198 states have internal predecessors, (201), 5 states have call successors, (5), 5 states have call predecessors, (5), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-01-10 02:23:53,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 211 transitions. [2025-01-10 02:23:53,555 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 211 transitions. Word has length 126 [2025-01-10 02:23:53,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:23:53,555 INFO L471 AbstractCegarLoop]: Abstraction has 209 states and 211 transitions. [2025-01-10 02:23:53,555 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 22.8) internal successors, (114), 6 states have internal predecessors, (114), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-01-10 02:23:53,555 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 211 transitions. [2025-01-10 02:23:53,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2025-01-10 02:23:53,556 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:23:53,556 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1] [2025-01-10 02:23:53,561 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2025-01-10 02:23:53,756 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 02:23:53,756 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-01-10 02:23:53,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:23:53,757 INFO L85 PathProgramCache]: Analyzing trace with hash 855454122, now seen corresponding path program 1 times [2025-01-10 02:23:53,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:23:53,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746369543] [2025-01-10 02:23:53,757 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:23:53,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:23:53,761 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 128 statements into 1 equivalence classes. [2025-01-10 02:23:53,772 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 128 of 128 statements. [2025-01-10 02:23:53,775 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:23:53,775 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:23:53,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2009816036] [2025-01-10 02:23:53,776 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:23:53,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:23:53,776 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:23:53,778 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 02:23:53,780 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 02:23:53,797 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 128 statements into 1 equivalence classes. [2025-01-10 02:23:53,814 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 128 of 128 statements. [2025-01-10 02:23:53,815 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:23:53,815 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:23:53,815 INFO L256 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-01-10 02:23:53,817 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:23:54,073 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 3 proven. 117 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-01-10 02:23:54,073 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:23:54,958 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 3 proven. 117 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-01-10 02:23:54,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:23:54,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746369543] [2025-01-10 02:23:54,958 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:23:54,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2009816036] [2025-01-10 02:23:54,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2009816036] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:23:54,958 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 02:23:54,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11] total 18 [2025-01-10 02:23:54,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627612315] [2025-01-10 02:23:54,958 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 02:23:54,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2025-01-10 02:23:54,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:23:54,959 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2025-01-10 02:23:54,959 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2025-01-10 02:23:54,959 INFO L87 Difference]: Start difference. First operand 209 states and 211 transitions. Second operand has 19 states, 18 states have (on average 12.944444444444445) internal successors, (233), 19 states have internal predecessors, (233), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-01-10 02:23:56,715 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-01-10 02:23:58,159 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-01-10 02:24:02,395 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-01-10 02:24:06,158 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.21s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-01-10 02:24:06,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:24:06,582 INFO L93 Difference]: Finished difference Result 226 states and 230 transitions. [2025-01-10 02:24:06,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-10 02:24:06,584 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 12.944444444444445) internal successors, (233), 19 states have internal predecessors, (233), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 128 [2025-01-10 02:24:06,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:24:06,585 INFO L225 Difference]: With dead ends: 226 [2025-01-10 02:24:06,585 INFO L226 Difference]: Without dead ends: 225 [2025-01-10 02:24:06,585 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=170, Invalid=430, Unknown=0, NotChecked=0, Total=600 [2025-01-10 02:24:06,586 INFO L435 NwaCegarLoop]: 29 mSDtfsCounter, 142 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 900 mSolverCounterSat, 31 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 932 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 900 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.4s IncrementalHoareTripleChecker+Time [2025-01-10 02:24:06,586 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 216 Invalid, 932 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 900 Invalid, 1 Unknown, 0 Unchecked, 11.4s Time] [2025-01-10 02:24:06,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2025-01-10 02:24:06,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 208. [2025-01-10 02:24:06,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 189 states have (on average 1.052910052910053) internal successors, (199), 197 states have internal predecessors, (199), 5 states have call successors, (5), 5 states have call predecessors, (5), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-01-10 02:24:06,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 209 transitions. [2025-01-10 02:24:06,592 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 209 transitions. Word has length 128 [2025-01-10 02:24:06,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:24:06,592 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 209 transitions. [2025-01-10 02:24:06,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 12.944444444444445) internal successors, (233), 19 states have internal predecessors, (233), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-01-10 02:24:06,593 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 209 transitions. [2025-01-10 02:24:06,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2025-01-10 02:24:06,593 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:24:06,593 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1] [2025-01-10 02:24:06,599 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 02:24:06,793 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 02:24:06,794 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-01-10 02:24:06,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:24:06,794 INFO L85 PathProgramCache]: Analyzing trace with hash -1290759183, now seen corresponding path program 2 times [2025-01-10 02:24:06,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:24:06,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888469968] [2025-01-10 02:24:06,794 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 02:24:06,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:24:06,800 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 134 statements into 2 equivalence classes. [2025-01-10 02:24:06,812 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 134 of 134 statements. [2025-01-10 02:24:06,813 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 02:24:06,813 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:24:06,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1434507615] [2025-01-10 02:24:06,813 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 02:24:06,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:24:06,814 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:24:06,817 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 02:24:06,818 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 02:24:06,839 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 134 statements into 2 equivalence classes. [2025-01-10 02:24:06,856 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 134 of 134 statements. [2025-01-10 02:24:06,856 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 02:24:06,856 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:24:06,857 INFO L256 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-01-10 02:24:06,858 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:24:07,084 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 02:24:07,084 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:24:07,291 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 02:24:07,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:24:07,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888469968] [2025-01-10 02:24:07,292 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:24:07,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1434507615] [2025-01-10 02:24:07,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1434507615] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:24:07,292 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 02:24:07,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2025-01-10 02:24:07,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599486055] [2025-01-10 02:24:07,292 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 02:24:07,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-01-10 02:24:07,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:24:07,293 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-01-10 02:24:07,293 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2025-01-10 02:24:07,293 INFO L87 Difference]: Start difference. First operand 208 states and 209 transitions. Second operand has 16 states, 15 states have (on average 16.0) internal successors, (240), 16 states have internal predecessors, (240), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-01-10 02:24:08,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:24:08,016 INFO L93 Difference]: Finished difference Result 363 states and 389 transitions. [2025-01-10 02:24:08,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-10 02:24:08,017 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 16.0) internal successors, (240), 16 states have internal predecessors, (240), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 134 [2025-01-10 02:24:08,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:24:08,018 INFO L225 Difference]: With dead ends: 363 [2025-01-10 02:24:08,018 INFO L226 Difference]: Without dead ends: 360 [2025-01-10 02:24:08,018 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=155, Invalid=307, Unknown=0, NotChecked=0, Total=462 [2025-01-10 02:24:08,019 INFO L435 NwaCegarLoop]: 46 mSDtfsCounter, 273 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 1213 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 1233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-01-10 02:24:08,019 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [275 Valid, 352 Invalid, 1233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1213 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-01-10 02:24:08,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2025-01-10 02:24:08,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 327. [2025-01-10 02:24:08,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 327 states, 304 states have (on average 1.069078947368421) internal successors, (325), 312 states have internal predecessors, (325), 9 states have call successors, (9), 5 states have call predecessors, (9), 5 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-01-10 02:24:08,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 343 transitions. [2025-01-10 02:24:08,030 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 343 transitions. Word has length 134 [2025-01-10 02:24:08,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:24:08,030 INFO L471 AbstractCegarLoop]: Abstraction has 327 states and 343 transitions. [2025-01-10 02:24:08,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 16.0) internal successors, (240), 16 states have internal predecessors, (240), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-01-10 02:24:08,030 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 343 transitions. [2025-01-10 02:24:08,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2025-01-10 02:24:08,031 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:24:08,031 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1] [2025-01-10 02:24:08,037 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2025-01-10 02:24:08,231 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 02:24:08,231 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-01-10 02:24:08,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:24:08,232 INFO L85 PathProgramCache]: Analyzing trace with hash -2086443337, now seen corresponding path program 1 times [2025-01-10 02:24:08,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:24:08,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109956540] [2025-01-10 02:24:08,232 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:24:08,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:24:08,237 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 140 statements into 1 equivalence classes. [2025-01-10 02:24:08,249 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 140 of 140 statements. [2025-01-10 02:24:08,249 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:24:08,249 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:24:08,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1762000879] [2025-01-10 02:24:08,250 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:24:08,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:24:08,250 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:24:08,252 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 02:24:08,254 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 02:24:08,274 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 140 statements into 1 equivalence classes. [2025-01-10 02:24:08,297 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 140 of 140 statements. [2025-01-10 02:24:08,297 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:24:08,297 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:24:08,302 INFO L256 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-01-10 02:24:08,304 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:24:08,419 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 02:24:08,419 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:24:08,659 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 02:24:08,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:24:08,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109956540] [2025-01-10 02:24:08,659 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:24:08,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1762000879] [2025-01-10 02:24:08,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1762000879] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:24:08,659 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 02:24:08,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2025-01-10 02:24:08,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286310985] [2025-01-10 02:24:08,659 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 02:24:08,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-01-10 02:24:08,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:24:08,660 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-01-10 02:24:08,660 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2025-01-10 02:24:08,660 INFO L87 Difference]: Start difference. First operand 327 states and 343 transitions. Second operand has 10 states, 9 states have (on average 28.0) internal successors, (252), 10 states have internal predecessors, (252), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-01-10 02:24:09,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:24:09,209 INFO L93 Difference]: Finished difference Result 429 states and 460 transitions. [2025-01-10 02:24:09,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-10 02:24:09,209 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 28.0) internal successors, (252), 10 states have internal predecessors, (252), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 140 [2025-01-10 02:24:09,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:24:09,214 INFO L225 Difference]: With dead ends: 429 [2025-01-10 02:24:09,214 INFO L226 Difference]: Without dead ends: 388 [2025-01-10 02:24:09,214 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 270 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2025-01-10 02:24:09,214 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 262 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 682 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 712 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 682 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-01-10 02:24:09,214 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [265 Valid, 282 Invalid, 712 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 682 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-01-10 02:24:09,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2025-01-10 02:24:09,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 376. [2025-01-10 02:24:09,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 376 states, 352 states have (on average 1.0482954545454546) internal successors, (369), 360 states have internal predecessors, (369), 10 states have call successors, (10), 5 states have call predecessors, (10), 5 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-01-10 02:24:09,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 389 transitions. [2025-01-10 02:24:09,241 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 389 transitions. Word has length 140 [2025-01-10 02:24:09,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:24:09,241 INFO L471 AbstractCegarLoop]: Abstraction has 376 states and 389 transitions. [2025-01-10 02:24:09,241 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 28.0) internal successors, (252), 10 states have internal predecessors, (252), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-01-10 02:24:09,241 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 389 transitions. [2025-01-10 02:24:09,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2025-01-10 02:24:09,242 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:24:09,242 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1] [2025-01-10 02:24:09,258 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 02:24:09,450 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,18 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:24:09,450 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-01-10 02:24:09,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:24:09,451 INFO L85 PathProgramCache]: Analyzing trace with hash -1296361333, now seen corresponding path program 1 times [2025-01-10 02:24:09,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:24:09,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153316670] [2025-01-10 02:24:09,451 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:24:09,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:24:09,457 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 176 statements into 1 equivalence classes. [2025-01-10 02:24:09,465 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 176 of 176 statements. [2025-01-10 02:24:09,468 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:24:09,468 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:24:09,670 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 0 proven. 244 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:24:09,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:24:09,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153316670] [2025-01-10 02:24:09,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153316670] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:24:09,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1859221248] [2025-01-10 02:24:09,671 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:24:09,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:24:09,671 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:24:09,673 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 02:24:09,674 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 02:24:09,695 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 176 statements into 1 equivalence classes. [2025-01-10 02:24:09,716 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 176 of 176 statements. [2025-01-10 02:24:09,716 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:24:09,716 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:24:09,719 INFO L256 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-01-10 02:24:09,720 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:24:09,856 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 0 proven. 268 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:24:09,856 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:24:10,078 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 0 proven. 244 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:24:10,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1859221248] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:24:10,078 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:24:10,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 12] total 22 [2025-01-10 02:24:10,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617488206] [2025-01-10 02:24:10,079 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:24:10,079 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2025-01-10 02:24:10,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:24:10,079 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2025-01-10 02:24:10,079 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2025-01-10 02:24:10,080 INFO L87 Difference]: Start difference. First operand 376 states and 389 transitions. Second operand has 22 states, 22 states have (on average 14.772727272727273) internal successors, (325), 22 states have internal predecessors, (325), 8 states have call successors, (12), 5 states have call predecessors, (12), 5 states have return successors, (12), 8 states have call predecessors, (12), 8 states have call successors, (12) [2025-01-10 02:24:10,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:24:10,283 INFO L93 Difference]: Finished difference Result 498 states and 507 transitions. [2025-01-10 02:24:10,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-01-10 02:24:10,284 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 14.772727272727273) internal successors, (325), 22 states have internal predecessors, (325), 8 states have call successors, (12), 5 states have call predecessors, (12), 5 states have return successors, (12), 8 states have call predecessors, (12), 8 states have call successors, (12) Word has length 176 [2025-01-10 02:24:10,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:24:10,285 INFO L225 Difference]: With dead ends: 498 [2025-01-10 02:24:10,285 INFO L226 Difference]: Without dead ends: 460 [2025-01-10 02:24:10,286 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 381 GetRequests, 342 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 289 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=549, Invalid=1091, Unknown=0, NotChecked=0, Total=1640 [2025-01-10 02:24:10,286 INFO L435 NwaCegarLoop]: 65 mSDtfsCounter, 136 mSDsluCounter, 673 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 738 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:24:10,286 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 738 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:24:10,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2025-01-10 02:24:10,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 454. [2025-01-10 02:24:10,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 454 states, 423 states have (on average 1.0354609929078014) internal successors, (438), 431 states have internal predecessors, (438), 11 states have call successors, (11), 11 states have call predecessors, (11), 11 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2025-01-10 02:24:10,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 460 transitions. [2025-01-10 02:24:10,307 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 460 transitions. Word has length 176 [2025-01-10 02:24:10,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:24:10,307 INFO L471 AbstractCegarLoop]: Abstraction has 454 states and 460 transitions. [2025-01-10 02:24:10,307 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 14.772727272727273) internal successors, (325), 22 states have internal predecessors, (325), 8 states have call successors, (12), 5 states have call predecessors, (12), 5 states have return successors, (12), 8 states have call predecessors, (12), 8 states have call successors, (12) [2025-01-10 02:24:10,307 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 460 transitions. [2025-01-10 02:24:10,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2025-01-10 02:24:10,311 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:24:10,311 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1] [2025-01-10 02:24:10,317 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 02:24:10,515 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,SelfDestructingSolverStorable24 [2025-01-10 02:24:10,515 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-01-10 02:24:10,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:24:10,515 INFO L85 PathProgramCache]: Analyzing trace with hash 519938001, now seen corresponding path program 3 times [2025-01-10 02:24:10,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:24:10,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552445791] [2025-01-10 02:24:10,515 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 02:24:10,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:24:10,524 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 302 statements into 8 equivalence classes. [2025-01-10 02:24:10,555 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) and asserted 302 of 302 statements. [2025-01-10 02:24:10,555 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2025-01-10 02:24:10,556 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:24:10,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1747350603] [2025-01-10 02:24:10,557 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 02:24:10,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:24:10,557 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:24:10,558 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 02:24:10,560 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 02:24:10,599 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 302 statements into 8 equivalence classes. [2025-01-10 02:24:12,702 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) and asserted 302 of 302 statements. [2025-01-10 02:24:12,702 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2025-01-10 02:24:12,703 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:24:12,704 INFO L256 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 40 conjuncts are in the unsatisfiable core [2025-01-10 02:24:12,707 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:24:13,113 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 30 proven. 846 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-01-10 02:24:13,113 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:24:51,441 WARN L286 SmtUtils]: Spent 14.95s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)