./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound10.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/egcd2-ll_valuebound10.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1af9610c3f2ac44e456633c84d2e8d0495857443026005d5daf994731366c726 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-10 01:58:39,035 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-10 01:58:39,092 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-01-10 01:58:39,099 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-10 01:58:39,099 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-10 01:58:39,117 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-10 01:58:39,118 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-10 01:58:39,118 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-10 01:58:39,118 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-10 01:58:39,118 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-10 01:58:39,118 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-10 01:58:39,118 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-10 01:58:39,119 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-10 01:58:39,119 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-10 01:58:39,119 INFO L153 SettingsManager]: * Use SBE=true [2025-01-10 01:58:39,119 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-10 01:58:39,119 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-10 01:58:39,119 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-10 01:58:39,119 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-10 01:58:39,119 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-10 01:58:39,120 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-10 01:58:39,120 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-10 01:58:39,120 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-10 01:58:39,120 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-10 01:58:39,120 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-01-10 01:58:39,120 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-10 01:58:39,120 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-10 01:58:39,120 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-10 01:58:39,120 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-10 01:58:39,120 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-10 01:58:39,120 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-10 01:58:39,120 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 01:58:39,120 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 01:58:39,121 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 01:58:39,121 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 01:58:39,121 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-10 01:58:39,121 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 01:58:39,121 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 01:58:39,121 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 01:58:39,121 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 01:58:39,121 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-10 01:58:39,121 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-10 01:58:39,121 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-10 01:58:39,121 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-10 01:58:39,121 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-10 01:58:39,122 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-10 01:58:39,122 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-10 01:58:39,122 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-10 01:58:39,122 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-10 01:58:39,122 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-10 01:58:39,122 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 -> 1af9610c3f2ac44e456633c84d2e8d0495857443026005d5daf994731366c726 [2025-01-10 01:58:39,281 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-10 01:58:39,289 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-10 01:58:39,290 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-10 01:58:39,291 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-10 01:58:39,291 INFO L274 PluginConnector]: CDTParser initialized [2025-01-10 01:58:39,292 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound10.c [2025-01-10 01:58:40,418 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/70d790555/84f312eae99641e3b537b79a96a0d787/FLAG6f7cde90a [2025-01-10 01:58:40,676 INFO L384 CDTParser]: Found 1 translation units. [2025-01-10 01:58:40,678 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound10.c [2025-01-10 01:58:40,683 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/70d790555/84f312eae99641e3b537b79a96a0d787/FLAG6f7cde90a [2025-01-10 01:58:40,990 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/70d790555/84f312eae99641e3b537b79a96a0d787 [2025-01-10 01:58:40,992 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-10 01:58:40,993 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-10 01:58:40,994 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-10 01:58:40,995 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-10 01:58:40,998 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-10 01:58:40,998 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 01:58:40" (1/1) ... [2025-01-10 01:58:40,999 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e857b90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:58:40, skipping insertion in model container [2025-01-10 01:58:40,999 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 01:58:40" (1/1) ... [2025-01-10 01:58:41,010 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 01:58:41,124 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 01:58:41,129 INFO L200 MainTranslator]: Completed pre-run [2025-01-10 01:58:41,142 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 01:58:41,150 INFO L204 MainTranslator]: Completed translation [2025-01-10 01:58:41,151 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:58:41 WrapperNode [2025-01-10 01:58:41,151 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-10 01:58:41,151 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-10 01:58:41,151 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-10 01:58:41,152 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-10 01:58:41,155 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:58:41" (1/1) ... [2025-01-10 01:58:41,164 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:58:41" (1/1) ... [2025-01-10 01:58:41,182 INFO L138 Inliner]: procedures = 14, calls = 20, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 143 [2025-01-10 01:58:41,185 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-10 01:58:41,186 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-10 01:58:41,186 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-10 01:58:41,186 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-10 01:58:41,192 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:58:41" (1/1) ... [2025-01-10 01:58:41,192 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:58:41" (1/1) ... [2025-01-10 01:58:41,193 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:58:41" (1/1) ... [2025-01-10 01:58:41,205 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 01:58:41,205 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:58:41" (1/1) ... [2025-01-10 01:58:41,207 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:58:41" (1/1) ... [2025-01-10 01:58:41,209 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:58:41" (1/1) ... [2025-01-10 01:58:41,210 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:58:41" (1/1) ... [2025-01-10 01:58:41,212 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:58:41" (1/1) ... [2025-01-10 01:58:41,212 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:58:41" (1/1) ... [2025-01-10 01:58:41,213 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:58:41" (1/1) ... [2025-01-10 01:58:41,214 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-10 01:58:41,214 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-10 01:58:41,214 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-10 01:58:41,214 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-10 01:58:41,215 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:58:41" (1/1) ... [2025-01-10 01:58:41,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 01:58:41,227 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:58:41,239 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 01:58:41,242 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 01:58:41,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-10 01:58:41,260 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-10 01:58:41,260 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-10 01:58:41,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-10 01:58:41,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-10 01:58:41,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-10 01:58:41,261 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-10 01:58:41,261 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-10 01:58:41,310 INFO L234 CfgBuilder]: Building ICFG [2025-01-10 01:58:41,311 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-10 01:58:41,734 INFO L? ?]: Removed 196 outVars from TransFormulas that were not future-live. [2025-01-10 01:58:41,734 INFO L283 CfgBuilder]: Performing block encoding [2025-01-10 01:58:41,742 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-10 01:58:41,743 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2025-01-10 01:58:41,743 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 01:58:41 BoogieIcfgContainer [2025-01-10 01:58:41,743 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-10 01:58:41,745 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-10 01:58:41,745 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-10 01:58:41,747 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-10 01:58:41,748 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 01:58:40" (1/3) ... [2025-01-10 01:58:41,748 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d812591 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 01:58:41, skipping insertion in model container [2025-01-10 01:58:41,748 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:58:41" (2/3) ... [2025-01-10 01:58:41,748 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d812591 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 01:58:41, skipping insertion in model container [2025-01-10 01:58:41,748 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 01:58:41" (3/3) ... [2025-01-10 01:58:41,749 INFO L128 eAbstractionObserver]: Analyzing ICFG egcd2-ll_valuebound10.c [2025-01-10 01:58:41,758 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-10 01:58:41,759 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG egcd2-ll_valuebound10.c that has 3 procedures, 161 locations, 1 initial locations, 2 loop locations, and 64 error locations. [2025-01-10 01:58:41,789 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-10 01:58:41,796 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;@372cee, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-10 01:58:41,796 INFO L334 AbstractCegarLoop]: Starting to check reachability of 64 error locations. [2025-01-10 01:58:41,798 INFO L276 IsEmpty]: Start isEmpty. Operand has 161 states, 82 states have (on average 1.853658536585366) internal successors, (152), 147 states have internal predecessors, (152), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-01-10 01:58:41,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2025-01-10 01:58:41,802 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:58:41,802 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:58:41,802 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-01-10 01:58:41,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:58:41,805 INFO L85 PathProgramCache]: Analyzing trace with hash -1038528024, now seen corresponding path program 1 times [2025-01-10 01:58:41,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:58:41,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734716283] [2025-01-10 01:58:41,811 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:58:41,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:58:41,855 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-01-10 01:58:41,875 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-01-10 01:58:41,876 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:58:41,876 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:58:41,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [126080765] [2025-01-10 01:58:41,878 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:58:41,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:58:41,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:58:41,880 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 01:58:41,882 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 01:58:41,909 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-01-10 01:58:41,920 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-01-10 01:58:41,921 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:58:41,921 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:58:41,922 INFO L256 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-01-10 01:58:41,925 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:58:42,025 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-01-10 01:58:42,026 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:58:42,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:58:42,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734716283] [2025-01-10 01:58:42,026 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:58:42,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [126080765] [2025-01-10 01:58:42,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [126080765] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:58:42,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:58:42,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-10 01:58:42,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946628795] [2025-01-10 01:58:42,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:58:42,031 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-10 01:58:42,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:58:42,042 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-10 01:58:42,042 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2025-01-10 01:58:42,044 INFO L87 Difference]: Start difference. First operand has 161 states, 82 states have (on average 1.853658536585366) internal successors, (152), 147 states have internal predecessors, (152), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 7 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2025-01-10 01:58:42,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:58:42,339 INFO L93 Difference]: Finished difference Result 315 states and 359 transitions. [2025-01-10 01:58:42,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-10 01:58:42,341 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) Word has length 25 [2025-01-10 01:58:42,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:58:42,346 INFO L225 Difference]: With dead ends: 315 [2025-01-10 01:58:42,346 INFO L226 Difference]: Without dead ends: 151 [2025-01-10 01:58:42,348 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2025-01-10 01:58:42,350 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 196 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 357 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 01:58:42,350 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 262 Invalid, 366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 357 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 01:58:42,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2025-01-10 01:58:42,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2025-01-10 01:58:42,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 77 states have (on average 1.8051948051948052) internal successors, (139), 138 states have internal predecessors, (139), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2025-01-10 01:58:42,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 161 transitions. [2025-01-10 01:58:42,381 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 161 transitions. Word has length 25 [2025-01-10 01:58:42,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:58:42,382 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 161 transitions. [2025-01-10 01:58:42,382 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2025-01-10 01:58:42,382 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 161 transitions. [2025-01-10 01:58:42,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2025-01-10 01:58:42,383 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:58:42,383 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:58:42,390 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-01-10 01:58:42,584 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-01-10 01:58:42,585 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-01-10 01:58:42,585 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:58:42,585 INFO L85 PathProgramCache]: Analyzing trace with hash -2129597630, now seen corresponding path program 1 times [2025-01-10 01:58:42,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:58:42,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624873289] [2025-01-10 01:58:42,586 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:58:42,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:58:42,592 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-01-10 01:58:42,604 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-01-10 01:58:42,604 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:58:42,605 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:58:42,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1325815368] [2025-01-10 01:58:42,606 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:58:42,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:58:42,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:58:42,608 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 01:58:42,610 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 01:58:42,637 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-01-10 01:58:42,648 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-01-10 01:58:42,648 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:58:42,649 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:58:42,650 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-01-10 01:58:42,651 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:58:42,753 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-01-10 01:58:42,754 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:58:42,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:58:42,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624873289] [2025-01-10 01:58:42,919 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:58:42,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1325815368] [2025-01-10 01:58:42,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1325815368] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:58:42,919 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:58:42,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2025-01-10 01:58:42,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599743238] [2025-01-10 01:58:42,919 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:58:42,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-10 01:58:42,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:58:42,920 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-10 01:58:42,920 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2025-01-10 01:58:42,921 INFO L87 Difference]: Start difference. First operand 151 states and 161 transitions. Second operand has 7 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-01-10 01:58:43,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:58:43,179 INFO L93 Difference]: Finished difference Result 151 states and 161 transitions. [2025-01-10 01:58:43,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-10 01:58:43,180 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 26 [2025-01-10 01:58:43,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:58:43,181 INFO L225 Difference]: With dead ends: 151 [2025-01-10 01:58:43,181 INFO L226 Difference]: Without dead ends: 150 [2025-01-10 01:58:43,181 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2025-01-10 01:58:43,182 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 279 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 317 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 331 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 01:58:43,182 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [286 Valid, 221 Invalid, 331 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 317 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 01:58:43,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2025-01-10 01:58:43,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2025-01-10 01:58:43,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 77 states have (on average 1.7922077922077921) internal successors, (138), 137 states have internal predecessors, (138), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2025-01-10 01:58:43,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 160 transitions. [2025-01-10 01:58:43,189 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 160 transitions. Word has length 26 [2025-01-10 01:58:43,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:58:43,189 INFO L471 AbstractCegarLoop]: Abstraction has 150 states and 160 transitions. [2025-01-10 01:58:43,189 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-01-10 01:58:43,189 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 160 transitions. [2025-01-10 01:58:43,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-01-10 01:58:43,190 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:58:43,190 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 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 01:58:43,197 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-01-10 01:58:43,390 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:58:43,391 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-01-10 01:58:43,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:58:43,391 INFO L85 PathProgramCache]: Analyzing trace with hash -1300943841, now seen corresponding path program 1 times [2025-01-10 01:58:43,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:58:43,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422163297] [2025-01-10 01:58:43,391 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:58:43,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:58:43,398 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-01-10 01:58:43,408 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-01-10 01:58:43,408 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:58:43,408 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:58:43,602 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2025-01-10 01:58:43,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:58:43,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422163297] [2025-01-10 01:58:43,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422163297] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:58:43,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [343371857] [2025-01-10 01:58:43,603 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:58:43,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:58:43,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:58:43,608 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 01:58:43,610 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 01:58:43,633 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-01-10 01:58:43,643 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-01-10 01:58:43,643 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:58:43,643 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:58:43,644 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 01:58:43,645 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:58:43,665 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-01-10 01:58:43,665 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:58:43,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [343371857] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:58:43,665 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:58:43,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2025-01-10 01:58:43,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104604631] [2025-01-10 01:58:43,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:58:43,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 01:58:43,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:58:43,666 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 01:58:43,667 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-01-10 01:58:43,667 INFO L87 Difference]: Start difference. First operand 150 states and 160 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-01-10 01:58:43,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:58:43,829 INFO L93 Difference]: Finished difference Result 254 states and 286 transitions. [2025-01-10 01:58:43,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 01:58:43,829 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 40 [2025-01-10 01:58:43,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:58:43,831 INFO L225 Difference]: With dead ends: 254 [2025-01-10 01:58:43,831 INFO L226 Difference]: Without dead ends: 244 [2025-01-10 01:58:43,832 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-01-10 01:58:43,832 INFO L435 NwaCegarLoop]: 117 mSDtfsCounter, 88 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 01:58:43,832 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 216 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 01:58:43,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2025-01-10 01:58:43,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 201. [2025-01-10 01:58:43,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 124 states have (on average 1.782258064516129) internal successors, (221), 183 states have internal predecessors, (221), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-01-10 01:58:43,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 251 transitions. [2025-01-10 01:58:43,853 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 251 transitions. Word has length 40 [2025-01-10 01:58:43,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:58:43,853 INFO L471 AbstractCegarLoop]: Abstraction has 201 states and 251 transitions. [2025-01-10 01:58:43,853 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-01-10 01:58:43,853 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 251 transitions. [2025-01-10 01:58:43,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-01-10 01:58:43,858 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:58:43,859 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 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 01:58:43,865 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-01-10 01:58:44,059 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:58:44,060 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-01-10 01:58:44,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:58:44,061 INFO L85 PathProgramCache]: Analyzing trace with hash -1300943891, now seen corresponding path program 1 times [2025-01-10 01:58:44,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:58:44,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389268256] [2025-01-10 01:58:44,061 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:58:44,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:58:44,067 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-01-10 01:58:44,082 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-01-10 01:58:44,083 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:58:44,083 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:58:44,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1283167752] [2025-01-10 01:58:44,084 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:58:44,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:58:44,084 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:58:44,089 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 01:58:44,096 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 01:58:44,123 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-01-10 01:58:44,134 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-01-10 01:58:44,134 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:58:44,134 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:58:44,134 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 01:58:44,135 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:58:44,143 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-01-10 01:58:44,143 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:58:44,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:58:44,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389268256] [2025-01-10 01:58:44,143 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:58:44,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1283167752] [2025-01-10 01:58:44,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1283167752] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:58:44,144 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:58:44,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 01:58:44,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512789966] [2025-01-10 01:58:44,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:58:44,144 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 01:58:44,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:58:44,145 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 01:58:44,145 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:58:44,145 INFO L87 Difference]: Start difference. First operand 201 states and 251 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2025-01-10 01:58:44,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:58:44,213 INFO L93 Difference]: Finished difference Result 345 states and 445 transitions. [2025-01-10 01:58:44,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 01:58:44,214 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 40 [2025-01-10 01:58:44,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:58:44,216 INFO L225 Difference]: With dead ends: 345 [2025-01-10 01:58:44,216 INFO L226 Difference]: Without dead ends: 337 [2025-01-10 01:58:44,217 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 38 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 01:58:44,218 INFO L435 NwaCegarLoop]: 140 mSDtfsCounter, 83 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:58:44,219 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 270 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:58:44,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2025-01-10 01:58:44,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 298. [2025-01-10 01:58:44,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 298 states, 213 states have (on average 1.784037558685446) internal successors, (380), 272 states have internal predecessors, (380), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-01-10 01:58:44,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 426 transitions. [2025-01-10 01:58:44,247 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 426 transitions. Word has length 40 [2025-01-10 01:58:44,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:58:44,249 INFO L471 AbstractCegarLoop]: Abstraction has 298 states and 426 transitions. [2025-01-10 01:58:44,249 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2025-01-10 01:58:44,249 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 426 transitions. [2025-01-10 01:58:44,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2025-01-10 01:58:44,250 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:58:44,250 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 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 01:58:44,259 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-01-10 01:58:44,450 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:58:44,451 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-01-10 01:58:44,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:58:44,452 INFO L85 PathProgramCache]: Analyzing trace with hash -371542463, now seen corresponding path program 1 times [2025-01-10 01:58:44,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:58:44,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135702187] [2025-01-10 01:58:44,452 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:58:44,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:58:44,456 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-01-10 01:58:44,469 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-01-10 01:58:44,472 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:58:44,472 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:58:44,598 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2025-01-10 01:58:44,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:58:44,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135702187] [2025-01-10 01:58:44,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135702187] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:58:44,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [447072890] [2025-01-10 01:58:44,599 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:58:44,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:58:44,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:58:44,608 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 01:58:44,609 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 01:58:44,630 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-01-10 01:58:44,658 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-01-10 01:58:44,658 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:58:44,658 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:58:44,659 INFO L256 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 01:58:44,660 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:58:44,699 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-01-10 01:58:44,700 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:58:44,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [447072890] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:58:44,700 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:58:44,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2025-01-10 01:58:44,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382928431] [2025-01-10 01:58:44,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:58:44,700 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:58:44,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:58:44,701 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:58:44,701 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2025-01-10 01:58:44,701 INFO L87 Difference]: Start difference. First operand 298 states and 426 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-01-10 01:58:44,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:58:44,940 INFO L93 Difference]: Finished difference Result 317 states and 448 transitions. [2025-01-10 01:58:44,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:58:44,940 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), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 42 [2025-01-10 01:58:44,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:58:44,941 INFO L225 Difference]: With dead ends: 317 [2025-01-10 01:58:44,941 INFO L226 Difference]: Without dead ends: 316 [2025-01-10 01:58:44,942 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2025-01-10 01:58:44,942 INFO L435 NwaCegarLoop]: 77 mSDtfsCounter, 58 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 276 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 01:58:44,942 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 197 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 276 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 01:58:44,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2025-01-10 01:58:44,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 299. [2025-01-10 01:58:44,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 214 states have (on average 1.780373831775701) internal successors, (381), 273 states have internal predecessors, (381), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-01-10 01:58:44,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 427 transitions. [2025-01-10 01:58:44,953 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 427 transitions. Word has length 42 [2025-01-10 01:58:44,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:58:44,954 INFO L471 AbstractCegarLoop]: Abstraction has 299 states and 427 transitions. [2025-01-10 01:58:44,954 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), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-01-10 01:58:44,954 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 427 transitions. [2025-01-10 01:58:44,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2025-01-10 01:58:44,955 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:58:44,955 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 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 01:58:44,961 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-01-10 01:58:45,159 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:58:45,159 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-01-10 01:58:45,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:58:45,161 INFO L85 PathProgramCache]: Analyzing trace with hash -371594097, now seen corresponding path program 1 times [2025-01-10 01:58:45,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:58:45,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308295013] [2025-01-10 01:58:45,161 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:58:45,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:58:45,166 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-01-10 01:58:45,178 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-01-10 01:58:45,179 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:58:45,179 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:58:45,290 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2025-01-10 01:58:45,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:58:45,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308295013] [2025-01-10 01:58:45,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308295013] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:58:45,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1339253694] [2025-01-10 01:58:45,290 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:58:45,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:58:45,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:58:45,297 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 01:58:45,298 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 01:58:45,327 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-01-10 01:58:45,338 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-01-10 01:58:45,338 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:58:45,339 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:58:45,339 INFO L256 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-01-10 01:58:45,340 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:58:45,388 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-01-10 01:58:45,388 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:58:45,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1339253694] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:58:45,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:58:45,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 11 [2025-01-10 01:58:45,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682845282] [2025-01-10 01:58:45,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:58:45,388 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 01:58:45,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:58:45,389 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 01:58:45,389 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2025-01-10 01:58:45,389 INFO L87 Difference]: Start difference. First operand 299 states and 427 transitions. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-01-10 01:58:45,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:58:45,751 INFO L93 Difference]: Finished difference Result 380 states and 447 transitions. [2025-01-10 01:58:45,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-10 01:58:45,751 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 42 [2025-01-10 01:58:45,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:58:45,753 INFO L225 Difference]: With dead ends: 380 [2025-01-10 01:58:45,753 INFO L226 Difference]: Without dead ends: 379 [2025-01-10 01:58:45,753 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2025-01-10 01:58:45,753 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 452 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 252 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 457 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 01:58:45,754 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [457 Valid, 289 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 252 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 01:58:45,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2025-01-10 01:58:45,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 299. [2025-01-10 01:58:45,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 214 states have (on average 1.7757009345794392) internal successors, (380), 273 states have internal predecessors, (380), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-01-10 01:58:45,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 426 transitions. [2025-01-10 01:58:45,768 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 426 transitions. Word has length 42 [2025-01-10 01:58:45,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:58:45,768 INFO L471 AbstractCegarLoop]: Abstraction has 299 states and 426 transitions. [2025-01-10 01:58:45,769 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-01-10 01:58:45,769 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 426 transitions. [2025-01-10 01:58:45,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2025-01-10 01:58:45,769 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:58:45,769 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 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 01:58:45,775 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 01:58:45,973 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,SelfDestructingSolverStorable5 [2025-01-10 01:58:45,973 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-01-10 01:58:45,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:58:45,973 INFO L85 PathProgramCache]: Analyzing trace with hash 1367085714, now seen corresponding path program 1 times [2025-01-10 01:58:45,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:58:45,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587143363] [2025-01-10 01:58:45,973 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:58:45,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:58:45,979 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-01-10 01:58:45,983 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-01-10 01:58:45,983 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:58:45,983 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:58:46,032 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2025-01-10 01:58:46,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:58:46,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587143363] [2025-01-10 01:58:46,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [587143363] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:58:46,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1567577999] [2025-01-10 01:58:46,032 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:58:46,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:58:46,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:58:46,034 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 01:58:46,036 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 01:58:46,056 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-01-10 01:58:46,065 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-01-10 01:58:46,065 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:58:46,065 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:58:46,065 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 01:58:46,067 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:58:46,113 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-01-10 01:58:46,113 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:58:46,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1567577999] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:58:46,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:58:46,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2025-01-10 01:58:46,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392971451] [2025-01-10 01:58:46,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:58:46,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:58:46,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:58:46,114 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:58:46,114 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2025-01-10 01:58:46,114 INFO L87 Difference]: Start difference. First operand 299 states and 426 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-01-10 01:58:46,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:58:46,466 INFO L93 Difference]: Finished difference Result 317 states and 446 transitions. [2025-01-10 01:58:46,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:58:46,467 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 43 [2025-01-10 01:58:46,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:58:46,468 INFO L225 Difference]: With dead ends: 317 [2025-01-10 01:58:46,468 INFO L226 Difference]: Without dead ends: 316 [2025-01-10 01:58:46,469 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2025-01-10 01:58:46,469 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 57 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 01:58:46,469 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 198 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 275 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 01:58:46,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2025-01-10 01:58:46,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 300. [2025-01-10 01:58:46,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 215 states have (on average 1.7720930232558139) internal successors, (381), 274 states have internal predecessors, (381), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-01-10 01:58:46,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 427 transitions. [2025-01-10 01:58:46,479 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 427 transitions. Word has length 43 [2025-01-10 01:58:46,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:58:46,479 INFO L471 AbstractCegarLoop]: Abstraction has 300 states and 427 transitions. [2025-01-10 01:58:46,479 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-01-10 01:58:46,479 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 427 transitions. [2025-01-10 01:58:46,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2025-01-10 01:58:46,480 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:58:46,480 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 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 01:58:46,486 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 01:58:46,680 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:58:46,681 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-01-10 01:58:46,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:58:46,681 INFO L85 PathProgramCache]: Analyzing trace with hash 1365484948, now seen corresponding path program 1 times [2025-01-10 01:58:46,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:58:46,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67206234] [2025-01-10 01:58:46,682 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:58:46,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:58:46,685 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-01-10 01:58:46,689 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-01-10 01:58:46,689 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:58:46,689 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:58:46,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1563381582] [2025-01-10 01:58:46,690 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:58:46,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:58:46,690 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:58:46,691 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 01:58:46,693 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 01:58:46,711 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-01-10 01:58:46,720 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-01-10 01:58:46,720 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:58:46,720 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:58:46,721 INFO L256 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-01-10 01:58:46,721 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:58:46,753 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-01-10 01:58:46,753 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:58:46,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:58:46,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67206234] [2025-01-10 01:58:46,754 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:58:46,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1563381582] [2025-01-10 01:58:46,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1563381582] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:58:46,754 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:58:46,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 01:58:46,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335066991] [2025-01-10 01:58:46,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:58:46,754 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 01:58:46,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:58:46,755 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 01:58:46,755 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-10 01:58:46,755 INFO L87 Difference]: Start difference. First operand 300 states and 427 transitions. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-01-10 01:58:47,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:58:47,036 INFO L93 Difference]: Finished difference Result 379 states and 445 transitions. [2025-01-10 01:58:47,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-10 01:58:47,037 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 43 [2025-01-10 01:58:47,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:58:47,038 INFO L225 Difference]: With dead ends: 379 [2025-01-10 01:58:47,038 INFO L226 Difference]: Without dead ends: 378 [2025-01-10 01:58:47,039 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-01-10 01:58:47,039 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 463 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 237 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 468 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 01:58:47,039 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [468 Valid, 280 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 237 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 01:58:47,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2025-01-10 01:58:47,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 300. [2025-01-10 01:58:47,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 215 states have (on average 1.7674418604651163) internal successors, (380), 274 states have internal predecessors, (380), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-01-10 01:58:47,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 426 transitions. [2025-01-10 01:58:47,051 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 426 transitions. Word has length 43 [2025-01-10 01:58:47,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:58:47,052 INFO L471 AbstractCegarLoop]: Abstraction has 300 states and 426 transitions. [2025-01-10 01:58:47,052 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-01-10 01:58:47,052 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 426 transitions. [2025-01-10 01:58:47,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2025-01-10 01:58:47,052 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:58:47,053 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 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 01:58:47,061 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 01:58:47,253 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:58:47,254 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-01-10 01:58:47,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:58:47,254 INFO L85 PathProgramCache]: Analyzing trace with hash -570015645, now seen corresponding path program 1 times [2025-01-10 01:58:47,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:58:47,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248097793] [2025-01-10 01:58:47,254 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:58:47,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:58:47,258 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-01-10 01:58:47,263 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-01-10 01:58:47,263 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:58:47,263 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:58:47,322 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2025-01-10 01:58:47,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:58:47,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248097793] [2025-01-10 01:58:47,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248097793] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:58:47,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [318722841] [2025-01-10 01:58:47,323 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:58:47,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:58:47,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:58:47,325 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 01:58:47,326 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 01:58:47,348 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-01-10 01:58:47,359 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-01-10 01:58:47,359 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:58:47,359 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:58:47,360 INFO L256 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 01:58:47,361 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:58:47,392 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-01-10 01:58:47,392 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:58:47,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [318722841] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:58:47,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:58:47,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2025-01-10 01:58:47,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862264500] [2025-01-10 01:58:47,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:58:47,393 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:58:47,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:58:47,393 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:58:47,393 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-01-10 01:58:47,394 INFO L87 Difference]: Start difference. First operand 300 states and 426 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-01-10 01:58:47,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:58:47,767 INFO L93 Difference]: Finished difference Result 349 states and 454 transitions. [2025-01-10 01:58:47,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:58:47,767 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 44 [2025-01-10 01:58:47,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:58:47,769 INFO L225 Difference]: With dead ends: 349 [2025-01-10 01:58:47,769 INFO L226 Difference]: Without dead ends: 345 [2025-01-10 01:58:47,769 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-01-10 01:58:47,770 INFO L435 NwaCegarLoop]: 110 mSDtfsCounter, 94 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-10 01:58:47,770 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 266 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-10 01:58:47,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2025-01-10 01:58:47,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 301. [2025-01-10 01:58:47,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 216 states have (on average 1.7407407407407407) internal successors, (376), 275 states have internal predecessors, (376), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-01-10 01:58:47,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 422 transitions. [2025-01-10 01:58:47,787 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 422 transitions. Word has length 44 [2025-01-10 01:58:47,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:58:47,788 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 422 transitions. [2025-01-10 01:58:47,788 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-01-10 01:58:47,788 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 422 transitions. [2025-01-10 01:58:47,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2025-01-10 01:58:47,788 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:58:47,788 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 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 01:58:47,795 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-01-10 01:58:47,988 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:58:47,989 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-01-10 01:58:47,989 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:58:47,989 INFO L85 PathProgramCache]: Analyzing trace with hash -490615628, now seen corresponding path program 1 times [2025-01-10 01:58:47,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:58:47,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586745447] [2025-01-10 01:58:47,989 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:58:47,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:58:47,993 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-01-10 01:58:47,997 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-01-10 01:58:47,997 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:58:47,997 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:58:48,070 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2025-01-10 01:58:48,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:58:48,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586745447] [2025-01-10 01:58:48,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586745447] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:58:48,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [290069208] [2025-01-10 01:58:48,070 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:58:48,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:58:48,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:58:48,072 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 01:58:48,077 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 01:58:48,098 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-01-10 01:58:48,108 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-01-10 01:58:48,108 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:58:48,108 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:58:48,109 INFO L256 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 01:58:48,110 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:58:48,192 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-01-10 01:58:48,192 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:58:48,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [290069208] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:58:48,192 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:58:48,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2025-01-10 01:58:48,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080169938] [2025-01-10 01:58:48,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:58:48,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:58:48,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:58:48,193 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:58:48,193 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-01-10 01:58:48,193 INFO L87 Difference]: Start difference. First operand 301 states and 422 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-01-10 01:58:48,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:58:48,601 INFO L93 Difference]: Finished difference Result 348 states and 448 transitions. [2025-01-10 01:58:48,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:58:48,601 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 45 [2025-01-10 01:58:48,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:58:48,603 INFO L225 Difference]: With dead ends: 348 [2025-01-10 01:58:48,603 INFO L226 Difference]: Without dead ends: 344 [2025-01-10 01:58:48,603 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-01-10 01:58:48,603 INFO L435 NwaCegarLoop]: 116 mSDtfsCounter, 142 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-10 01:58:48,604 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 227 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-10 01:58:48,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2025-01-10 01:58:48,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 302. [2025-01-10 01:58:48,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 217 states have (on average 1.7142857142857142) internal successors, (372), 276 states have internal predecessors, (372), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-01-10 01:58:48,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 418 transitions. [2025-01-10 01:58:48,617 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 418 transitions. Word has length 45 [2025-01-10 01:58:48,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:58:48,617 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 418 transitions. [2025-01-10 01:58:48,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-01-10 01:58:48,617 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 418 transitions. [2025-01-10 01:58:48,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2025-01-10 01:58:48,618 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:58:48,618 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 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 01:58:48,624 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-01-10 01:58:48,822 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,SelfDestructingSolverStorable9 [2025-01-10 01:58:48,822 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-01-10 01:58:48,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:58:48,823 INFO L85 PathProgramCache]: Analyzing trace with hash 263346009, now seen corresponding path program 1 times [2025-01-10 01:58:48,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:58:48,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877873779] [2025-01-10 01:58:48,823 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:58:48,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:58:48,828 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-01-10 01:58:48,834 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-01-10 01:58:48,834 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:58:48,834 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:58:48,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2117330910] [2025-01-10 01:58:48,834 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:58:48,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:58:48,835 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:58:48,837 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 01:58:48,839 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 01:58:48,865 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-01-10 01:58:48,876 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-01-10 01:58:48,876 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:58:48,876 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:58:48,877 INFO L256 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 01:58:48,878 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:58:48,895 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-01-10 01:58:48,895 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:58:48,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:58:48,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877873779] [2025-01-10 01:58:48,895 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:58:48,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2117330910] [2025-01-10 01:58:48,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2117330910] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:58:48,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:58:48,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 01:58:48,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542196217] [2025-01-10 01:58:48,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:58:48,896 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 01:58:48,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:58:48,896 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 01:58:48,896 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:58:48,896 INFO L87 Difference]: Start difference. First operand 302 states and 418 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-01-10 01:58:48,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:58:48,956 INFO L93 Difference]: Finished difference Result 350 states and 442 transitions. [2025-01-10 01:58:48,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 01:58:48,956 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 49 [2025-01-10 01:58:48,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:58:48,958 INFO L225 Difference]: With dead ends: 350 [2025-01-10 01:58:48,958 INFO L226 Difference]: Without dead ends: 346 [2025-01-10 01:58:48,958 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 47 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 01:58:48,958 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 84 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:58:48,959 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 284 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:58:48,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2025-01-10 01:58:48,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 307. [2025-01-10 01:58:48,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 221 states have (on average 1.6923076923076923) internal successors, (374), 280 states have internal predecessors, (374), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2025-01-10 01:58:48,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 422 transitions. [2025-01-10 01:58:48,972 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 422 transitions. Word has length 49 [2025-01-10 01:58:48,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:58:48,972 INFO L471 AbstractCegarLoop]: Abstraction has 307 states and 422 transitions. [2025-01-10 01:58:48,972 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-01-10 01:58:48,972 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 422 transitions. [2025-01-10 01:58:48,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2025-01-10 01:58:48,973 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:58:48,973 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:58:48,979 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 01:58:49,173 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,SelfDestructingSolverStorable10 [2025-01-10 01:58:49,173 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-01-10 01:58:49,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:58:49,174 INFO L85 PathProgramCache]: Analyzing trace with hash 1610968285, now seen corresponding path program 1 times [2025-01-10 01:58:49,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:58:49,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917146411] [2025-01-10 01:58:49,174 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:58:49,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:58:49,179 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-01-10 01:58:49,183 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-01-10 01:58:49,183 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:58:49,183 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:58:49,244 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2025-01-10 01:58:49,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:58:49,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917146411] [2025-01-10 01:58:49,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917146411] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:58:49,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [98734272] [2025-01-10 01:58:49,244 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:58:49,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:58:49,245 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:58:49,246 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 01:58:49,248 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 01:58:49,271 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-01-10 01:58:49,282 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-01-10 01:58:49,282 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:58:49,282 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:58:49,283 INFO L256 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 01:58:49,284 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:58:49,344 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-01-10 01:58:49,344 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:58:49,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [98734272] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:58:49,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:58:49,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2025-01-10 01:58:49,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130855437] [2025-01-10 01:58:49,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:58:49,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:58:49,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:58:49,345 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:58:49,345 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-01-10 01:58:49,345 INFO L87 Difference]: Start difference. First operand 307 states and 422 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-01-10 01:58:49,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:58:49,553 INFO L93 Difference]: Finished difference Result 328 states and 426 transitions. [2025-01-10 01:58:49,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:58:49,554 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 51 [2025-01-10 01:58:49,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:58:49,555 INFO L225 Difference]: With dead ends: 328 [2025-01-10 01:58:49,555 INFO L226 Difference]: Without dead ends: 326 [2025-01-10 01:58:49,555 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-01-10 01:58:49,556 INFO L435 NwaCegarLoop]: 105 mSDtfsCounter, 163 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 01:58:49,556 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 214 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 01:58:49,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2025-01-10 01:58:49,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 307. [2025-01-10 01:58:49,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 221 states have (on average 1.6787330316742082) internal successors, (371), 280 states have internal predecessors, (371), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2025-01-10 01:58:49,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 419 transitions. [2025-01-10 01:58:49,564 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 419 transitions. Word has length 51 [2025-01-10 01:58:49,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:58:49,564 INFO L471 AbstractCegarLoop]: Abstraction has 307 states and 419 transitions. [2025-01-10 01:58:49,565 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-01-10 01:58:49,565 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 419 transitions. [2025-01-10 01:58:49,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2025-01-10 01:58:49,565 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:58:49,565 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:58:49,571 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 01:58:49,766 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:58:49,766 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-01-10 01:58:49,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:58:49,767 INFO L85 PathProgramCache]: Analyzing trace with hash -1599590529, now seen corresponding path program 1 times [2025-01-10 01:58:49,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:58:49,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70755872] [2025-01-10 01:58:49,767 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:58:49,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:58:49,770 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-01-10 01:58:49,773 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-01-10 01:58:49,773 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:58:49,773 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:58:49,818 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2025-01-10 01:58:49,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:58:49,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70755872] [2025-01-10 01:58:49,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70755872] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:58:49,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [270889586] [2025-01-10 01:58:49,819 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:58:49,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:58:49,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:58:49,821 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 01:58:49,824 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 01:58:49,843 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-01-10 01:58:49,852 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-01-10 01:58:49,853 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:58:49,853 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:58:49,853 INFO L256 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 01:58:49,854 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:58:49,900 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-01-10 01:58:49,901 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:58:49,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [270889586] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:58:49,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:58:49,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2025-01-10 01:58:49,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613903117] [2025-01-10 01:58:49,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:58:49,901 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:58:49,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:58:49,901 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:58:49,902 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-01-10 01:58:49,902 INFO L87 Difference]: Start difference. First operand 307 states and 419 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-01-10 01:58:50,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:58:50,023 INFO L93 Difference]: Finished difference Result 328 states and 423 transitions. [2025-01-10 01:58:50,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:58:50,023 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 52 [2025-01-10 01:58:50,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:58:50,024 INFO L225 Difference]: With dead ends: 328 [2025-01-10 01:58:50,025 INFO L226 Difference]: Without dead ends: 326 [2025-01-10 01:58:50,025 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-01-10 01:58:50,025 INFO L435 NwaCegarLoop]: 105 mSDtfsCounter, 225 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 234 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:58:50,025 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [234 Valid, 196 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:58:50,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2025-01-10 01:58:50,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 307. [2025-01-10 01:58:50,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 221 states have (on average 1.665158371040724) internal successors, (368), 280 states have internal predecessors, (368), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2025-01-10 01:58:50,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 416 transitions. [2025-01-10 01:58:50,034 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 416 transitions. Word has length 52 [2025-01-10 01:58:50,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:58:50,034 INFO L471 AbstractCegarLoop]: Abstraction has 307 states and 416 transitions. [2025-01-10 01:58:50,035 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-01-10 01:58:50,035 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 416 transitions. [2025-01-10 01:58:50,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2025-01-10 01:58:50,035 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:58:50,035 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:58:50,042 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2025-01-10 01:58:50,236 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:58:50,236 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-01-10 01:58:50,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:58:50,237 INFO L85 PathProgramCache]: Analyzing trace with hash -1246307107, now seen corresponding path program 1 times [2025-01-10 01:58:50,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:58:50,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598971316] [2025-01-10 01:58:50,237 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:58:50,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:58:50,244 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-01-10 01:58:50,248 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-01-10 01:58:50,249 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:58:50,249 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:58:50,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1815527164] [2025-01-10 01:58:50,249 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:58:50,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:58:50,249 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:58:50,253 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 01:58:50,255 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 01:58:50,274 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-01-10 01:58:50,286 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-01-10 01:58:50,286 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:58:50,286 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:58:50,286 INFO L256 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 01:58:50,287 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:58:50,320 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-01-10 01:58:50,320 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:58:50,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:58:50,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598971316] [2025-01-10 01:58:50,321 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:58:50,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1815527164] [2025-01-10 01:58:50,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1815527164] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:58:50,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:58:50,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:58:50,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551359002] [2025-01-10 01:58:50,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:58:50,321 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:58:50,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:58:50,322 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:58:50,322 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:58:50,322 INFO L87 Difference]: Start difference. First operand 307 states and 416 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-01-10 01:58:50,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:58:50,515 INFO L93 Difference]: Finished difference Result 344 states and 430 transitions. [2025-01-10 01:58:50,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:58:50,515 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 53 [2025-01-10 01:58:50,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:58:50,516 INFO L225 Difference]: With dead ends: 344 [2025-01-10 01:58:50,516 INFO L226 Difference]: Without dead ends: 342 [2025-01-10 01:58:50,517 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 50 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 01:58:50,517 INFO L435 NwaCegarLoop]: 131 mSDtfsCounter, 81 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 01:58:50,517 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 360 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 01:58:50,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2025-01-10 01:58:50,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 308. [2025-01-10 01:58:50,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 222 states have (on average 1.6531531531531531) internal successors, (367), 281 states have internal predecessors, (367), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2025-01-10 01:58:50,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 415 transitions. [2025-01-10 01:58:50,527 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 415 transitions. Word has length 53 [2025-01-10 01:58:50,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:58:50,527 INFO L471 AbstractCegarLoop]: Abstraction has 308 states and 415 transitions. [2025-01-10 01:58:50,527 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-01-10 01:58:50,527 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 415 transitions. [2025-01-10 01:58:50,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2025-01-10 01:58:50,528 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:58:50,528 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:58:50,534 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 01:58:50,732 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,SelfDestructingSolverStorable13 [2025-01-10 01:58:50,732 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-01-10 01:58:50,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:58:50,733 INFO L85 PathProgramCache]: Analyzing trace with hash 19185427, now seen corresponding path program 1 times [2025-01-10 01:58:50,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:58:50,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964790005] [2025-01-10 01:58:50,733 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:58:50,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:58:50,740 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-01-10 01:58:50,744 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-01-10 01:58:50,745 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:58:50,745 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:58:50,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [131512005] [2025-01-10 01:58:50,749 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:58:50,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:58:50,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:58:50,751 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 01:58:50,754 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 01:58:50,776 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-01-10 01:58:50,787 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-01-10 01:58:50,787 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:58:50,787 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:58:50,788 INFO L256 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 01:58:50,788 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:58:50,858 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-01-10 01:58:50,859 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:58:50,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:58:50,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964790005] [2025-01-10 01:58:50,859 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:58:50,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [131512005] [2025-01-10 01:58:50,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [131512005] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:58:50,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:58:50,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:58:50,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164292660] [2025-01-10 01:58:50,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:58:50,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:58:50,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:58:50,860 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:58:50,860 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:58:50,861 INFO L87 Difference]: Start difference. First operand 308 states and 415 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-01-10 01:58:51,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:58:51,015 INFO L93 Difference]: Finished difference Result 344 states and 427 transitions. [2025-01-10 01:58:51,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:58:51,016 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 54 [2025-01-10 01:58:51,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:58:51,017 INFO L225 Difference]: With dead ends: 344 [2025-01-10 01:58:51,017 INFO L226 Difference]: Without dead ends: 329 [2025-01-10 01:58:51,017 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 51 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 01:58:51,017 INFO L435 NwaCegarLoop]: 135 mSDtfsCounter, 134 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:58:51,017 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 287 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:58:51,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2025-01-10 01:58:51,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 296. [2025-01-10 01:58:51,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 211 states have (on average 1.6729857819905214) internal successors, (353), 270 states have internal predecessors, (353), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-01-10 01:58:51,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 399 transitions. [2025-01-10 01:58:51,028 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 399 transitions. Word has length 54 [2025-01-10 01:58:51,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:58:51,028 INFO L471 AbstractCegarLoop]: Abstraction has 296 states and 399 transitions. [2025-01-10 01:58:51,028 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-01-10 01:58:51,028 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 399 transitions. [2025-01-10 01:58:51,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2025-01-10 01:58:51,028 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:58:51,028 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2025-01-10 01:58:51,037 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2025-01-10 01:58:51,233 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2025-01-10 01:58:51,233 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-01-10 01:58:51,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:58:51,234 INFO L85 PathProgramCache]: Analyzing trace with hash 1472761219, now seen corresponding path program 1 times [2025-01-10 01:58:51,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:58:51,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100453973] [2025-01-10 01:58:51,234 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:58:51,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:58:51,247 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-01-10 01:58:51,258 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-01-10 01:58:51,258 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:58:51,258 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:58:51,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1353786923] [2025-01-10 01:58:51,259 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:58:51,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:58:51,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:58:51,265 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 01:58:51,266 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 01:58:51,307 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-01-10 01:58:51,328 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-01-10 01:58:51,329 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:58:51,329 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:58:51,333 INFO L256 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 01:58:51,334 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:58:51,413 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-01-10 01:58:51,413 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:58:51,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:58:51,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100453973] [2025-01-10 01:58:51,414 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:58:51,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1353786923] [2025-01-10 01:58:51,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1353786923] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:58:51,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:58:51,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:58:51,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409404574] [2025-01-10 01:58:51,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:58:51,414 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:58:51,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:58:51,414 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:58:51,414 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:58:51,414 INFO L87 Difference]: Start difference. First operand 296 states and 399 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-01-10 01:58:51,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:58:51,571 INFO L93 Difference]: Finished difference Result 320 states and 420 transitions. [2025-01-10 01:58:51,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:58:51,571 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 62 [2025-01-10 01:58:51,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:58:51,572 INFO L225 Difference]: With dead ends: 320 [2025-01-10 01:58:51,572 INFO L226 Difference]: Without dead ends: 319 [2025-01-10 01:58:51,573 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 59 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 01:58:51,573 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 205 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:58:51,573 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [212 Valid, 154 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:58:51,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2025-01-10 01:58:51,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 296. [2025-01-10 01:58:51,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 211 states have (on average 1.6682464454976302) internal successors, (352), 270 states have internal predecessors, (352), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-01-10 01:58:51,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 398 transitions. [2025-01-10 01:58:51,583 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 398 transitions. Word has length 62 [2025-01-10 01:58:51,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:58:51,583 INFO L471 AbstractCegarLoop]: Abstraction has 296 states and 398 transitions. [2025-01-10 01:58:51,583 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-01-10 01:58:51,583 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 398 transitions. [2025-01-10 01:58:51,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2025-01-10 01:58:51,583 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:58:51,583 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:58:51,593 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 01:58:51,788 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,17 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:58:51,788 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-01-10 01:58:51,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:58:51,788 INFO L85 PathProgramCache]: Analyzing trace with hash -1589042378, now seen corresponding path program 1 times [2025-01-10 01:58:51,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:58:51,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152073575] [2025-01-10 01:58:51,789 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:58:51,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:58:51,792 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 63 statements into 1 equivalence classes. [2025-01-10 01:58:51,797 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 63 of 63 statements. [2025-01-10 01:58:51,797 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:58:51,797 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:58:51,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [74859186] [2025-01-10 01:58:51,797 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:58:51,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:58:51,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:58:51,799 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 01:58:51,802 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 01:58:51,826 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 63 statements into 1 equivalence classes. [2025-01-10 01:58:51,837 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 63 of 63 statements. [2025-01-10 01:58:51,837 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:58:51,837 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:58:51,838 INFO L256 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 01:58:51,838 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:58:51,918 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-01-10 01:58:51,918 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:58:51,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:58:51,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152073575] [2025-01-10 01:58:51,918 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:58:51,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [74859186] [2025-01-10 01:58:51,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [74859186] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:58:51,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:58:51,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:58:51,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228089515] [2025-01-10 01:58:51,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:58:51,918 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:58:51,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:58:51,919 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:58:51,919 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:58:51,919 INFO L87 Difference]: Start difference. First operand 296 states and 398 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-01-10 01:58:52,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:58:52,102 INFO L93 Difference]: Finished difference Result 320 states and 419 transitions. [2025-01-10 01:58:52,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:58:52,102 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 63 [2025-01-10 01:58:52,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:58:52,103 INFO L225 Difference]: With dead ends: 320 [2025-01-10 01:58:52,103 INFO L226 Difference]: Without dead ends: 319 [2025-01-10 01:58:52,104 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 60 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 01:58:52,104 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 156 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 01:58:52,104 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 173 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 01:58:52,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2025-01-10 01:58:52,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 296. [2025-01-10 01:58:52,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 211 states have (on average 1.6635071090047393) internal successors, (351), 270 states have internal predecessors, (351), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-01-10 01:58:52,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 397 transitions. [2025-01-10 01:58:52,112 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 397 transitions. Word has length 63 [2025-01-10 01:58:52,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:58:52,113 INFO L471 AbstractCegarLoop]: Abstraction has 296 states and 397 transitions. [2025-01-10 01:58:52,113 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-01-10 01:58:52,113 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 397 transitions. [2025-01-10 01:58:52,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2025-01-10 01:58:52,113 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:58:52,113 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:58:52,119 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2025-01-10 01:58:52,313 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2025-01-10 01:58:52,314 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-01-10 01:58:52,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:58:52,314 INFO L85 PathProgramCache]: Analyzing trace with hash 875603825, now seen corresponding path program 1 times [2025-01-10 01:58:52,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:58:52,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468766107] [2025-01-10 01:58:52,315 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:58:52,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:58:52,322 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 73 statements into 1 equivalence classes. [2025-01-10 01:58:52,328 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-01-10 01:58:52,329 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:58:52,329 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:58:52,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1137902136] [2025-01-10 01:58:52,329 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:58:52,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:58:52,329 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:58:52,331 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 01:58:52,333 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 01:58:52,354 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 73 statements into 1 equivalence classes. [2025-01-10 01:58:52,367 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-01-10 01:58:52,368 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:58:52,368 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:58:52,369 INFO L256 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 01:58:52,370 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:58:52,464 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2025-01-10 01:58:52,465 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:58:52,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:58:52,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468766107] [2025-01-10 01:58:52,465 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:58:52,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1137902136] [2025-01-10 01:58:52,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1137902136] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:58:52,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:58:52,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:58:52,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164943515] [2025-01-10 01:58:52,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:58:52,466 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:58:52,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:58:52,466 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:58:52,466 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:58:52,467 INFO L87 Difference]: Start difference. First operand 296 states and 397 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2025-01-10 01:58:52,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:58:52,619 INFO L93 Difference]: Finished difference Result 322 states and 418 transitions. [2025-01-10 01:58:52,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:58:52,620 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 73 [2025-01-10 01:58:52,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:58:52,621 INFO L225 Difference]: With dead ends: 322 [2025-01-10 01:58:52,621 INFO L226 Difference]: Without dead ends: 321 [2025-01-10 01:58:52,621 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:58:52,622 INFO L435 NwaCegarLoop]: 122 mSDtfsCounter, 88 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:58:52,622 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 224 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:58:52,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2025-01-10 01:58:52,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 296. [2025-01-10 01:58:52,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 211 states have (on average 1.6540284360189574) internal successors, (349), 270 states have internal predecessors, (349), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-01-10 01:58:52,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 395 transitions. [2025-01-10 01:58:52,631 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 395 transitions. Word has length 73 [2025-01-10 01:58:52,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:58:52,632 INFO L471 AbstractCegarLoop]: Abstraction has 296 states and 395 transitions. [2025-01-10 01:58:52,632 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2025-01-10 01:58:52,632 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 395 transitions. [2025-01-10 01:58:52,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2025-01-10 01:58:52,632 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:58:52,632 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:58:52,641 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2025-01-10 01:58:52,833 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,SelfDestructingSolverStorable17 [2025-01-10 01:58:52,833 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-01-10 01:58:52,837 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:58:52,837 INFO L85 PathProgramCache]: Analyzing trace with hash 1373914901, now seen corresponding path program 1 times [2025-01-10 01:58:52,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:58:52,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287427048] [2025-01-10 01:58:52,837 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:58:52,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:58:52,840 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-01-10 01:58:52,854 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-01-10 01:58:52,854 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:58:52,854 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:58:52,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [452509395] [2025-01-10 01:58:52,855 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:58:52,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:58:52,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:58:52,857 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 01:58:52,858 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 01:58:52,880 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-01-10 01:58:52,892 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-01-10 01:58:52,892 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:58:52,893 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:58:52,893 INFO L256 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 01:58:52,894 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:58:54,007 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2025-01-10 01:58:54,007 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:58:54,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:58:54,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287427048] [2025-01-10 01:58:54,008 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:58:54,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [452509395] [2025-01-10 01:58:54,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [452509395] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:58:54,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:58:54,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:58:54,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784173043] [2025-01-10 01:58:54,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:58:54,009 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:58:54,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:58:54,009 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:58:54,009 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=5, Unknown=1, NotChecked=0, Total=12 [2025-01-10 01:58:54,009 INFO L87 Difference]: Start difference. First operand 296 states and 395 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2025-01-10 01:58:56,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:58:56,998 INFO L93 Difference]: Finished difference Result 322 states and 416 transitions. [2025-01-10 01:58:56,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:58:56,999 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 74 [2025-01-10 01:58:56,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:58:57,000 INFO L225 Difference]: With dead ends: 322 [2025-01-10 01:58:57,000 INFO L226 Difference]: Without dead ends: 321 [2025-01-10 01:58:57,000 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=6, Invalid=5, Unknown=1, NotChecked=0, Total=12 [2025-01-10 01:58:57,000 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 43 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:58:57,001 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 321 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 146 Invalid, 3 Unknown, 0 Unchecked, 3.0s Time] [2025-01-10 01:58:57,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2025-01-10 01:58:57,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 296. [2025-01-10 01:58:57,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 211 states have (on average 1.6445497630331753) internal successors, (347), 270 states have internal predecessors, (347), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-01-10 01:58:57,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 393 transitions. [2025-01-10 01:58:57,010 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 393 transitions. Word has length 74 [2025-01-10 01:58:57,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:58:57,010 INFO L471 AbstractCegarLoop]: Abstraction has 296 states and 393 transitions. [2025-01-10 01:58:57,010 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2025-01-10 01:58:57,011 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 393 transitions. [2025-01-10 01:58:57,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2025-01-10 01:58:57,011 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:58:57,012 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:58:57,018 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2025-01-10 01:58:57,212 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,20 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:58:57,212 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-01-10 01:58:57,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:58:57,213 INFO L85 PathProgramCache]: Analyzing trace with hash -358310925, now seen corresponding path program 1 times [2025-01-10 01:58:57,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:58:57,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584173414] [2025-01-10 01:58:57,213 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:58:57,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:58:57,216 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes. [2025-01-10 01:58:57,226 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements. [2025-01-10 01:58:57,226 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:58:57,226 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:58:57,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1528765640] [2025-01-10 01:58:57,227 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:58:57,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:58:57,227 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:58:57,229 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:58:57,230 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2025-01-10 01:58:57,252 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes. [2025-01-10 01:58:57,264 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements. [2025-01-10 01:58:57,264 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:58:57,264 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:58:57,265 INFO L256 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 01:58:57,266 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:58:57,303 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2025-01-10 01:58:57,303 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:58:57,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:58:57,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584173414] [2025-01-10 01:58:57,303 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:58:57,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1528765640] [2025-01-10 01:58:57,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1528765640] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:58:57,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:58:57,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:58:57,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344045909] [2025-01-10 01:58:57,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:58:57,304 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:58:57,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:58:57,304 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:58:57,304 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:58:57,304 INFO L87 Difference]: Start difference. First operand 296 states and 393 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2025-01-10 01:58:57,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:58:57,463 INFO L93 Difference]: Finished difference Result 315 states and 404 transitions. [2025-01-10 01:58:57,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:58:57,464 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 75 [2025-01-10 01:58:57,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:58:57,465 INFO L225 Difference]: With dead ends: 315 [2025-01-10 01:58:57,465 INFO L226 Difference]: Without dead ends: 313 [2025-01-10 01:58:57,465 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 72 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 01:58:57,466 INFO L435 NwaCegarLoop]: 140 mSDtfsCounter, 90 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:58:57,466 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 256 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:58:57,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2025-01-10 01:58:57,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 296. [2025-01-10 01:58:57,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 211 states have (on average 1.6255924170616114) internal successors, (343), 270 states have internal predecessors, (343), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-01-10 01:58:57,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 389 transitions. [2025-01-10 01:58:57,500 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 389 transitions. Word has length 75 [2025-01-10 01:58:57,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:58:57,500 INFO L471 AbstractCegarLoop]: Abstraction has 296 states and 389 transitions. [2025-01-10 01:58:57,500 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2025-01-10 01:58:57,500 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 389 transitions. [2025-01-10 01:58:57,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2025-01-10 01:58:57,501 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:58:57,501 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:58:57,511 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2025-01-10 01:58:57,701 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,21 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:58:57,701 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-01-10 01:58:57,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:58:57,702 INFO L85 PathProgramCache]: Analyzing trace with hash 1777263319, now seen corresponding path program 1 times [2025-01-10 01:58:57,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:58:57,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458162027] [2025-01-10 01:58:57,702 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:58:57,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:58:57,705 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 76 statements into 1 equivalence classes. [2025-01-10 01:58:57,712 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 76 of 76 statements. [2025-01-10 01:58:57,712 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:58:57,713 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:58:57,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [595899149] [2025-01-10 01:58:57,713 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:58:57,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:58:57,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:58:57,718 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:58:57,719 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2025-01-10 01:58:57,741 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 76 statements into 1 equivalence classes. [2025-01-10 01:58:57,753 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 76 of 76 statements. [2025-01-10 01:58:57,753 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:58:57,753 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:58:57,754 INFO L256 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 01:58:57,755 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:58:57,817 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2025-01-10 01:58:57,817 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:58:57,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:58:57,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458162027] [2025-01-10 01:58:57,818 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:58:57,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [595899149] [2025-01-10 01:58:57,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [595899149] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:58:57,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:58:57,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:58:57,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176769341] [2025-01-10 01:58:57,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:58:57,818 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:58:57,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:58:57,819 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:58:57,819 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:58:57,819 INFO L87 Difference]: Start difference. First operand 296 states and 389 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2025-01-10 01:58:58,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:58:58,273 INFO L93 Difference]: Finished difference Result 315 states and 400 transitions. [2025-01-10 01:58:58,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:58:58,274 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 76 [2025-01-10 01:58:58,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:58:58,275 INFO L225 Difference]: With dead ends: 315 [2025-01-10 01:58:58,275 INFO L226 Difference]: Without dead ends: 313 [2025-01-10 01:58:58,275 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 73 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 01:58:58,276 INFO L435 NwaCegarLoop]: 143 mSDtfsCounter, 54 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-10 01:58:58,276 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 323 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-10 01:58:58,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2025-01-10 01:58:58,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 296. [2025-01-10 01:58:58,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 211 states have (on average 1.6066350710900474) internal successors, (339), 270 states have internal predecessors, (339), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-01-10 01:58:58,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 385 transitions. [2025-01-10 01:58:58,284 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 385 transitions. Word has length 76 [2025-01-10 01:58:58,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:58:58,284 INFO L471 AbstractCegarLoop]: Abstraction has 296 states and 385 transitions. [2025-01-10 01:58:58,284 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2025-01-10 01:58:58,285 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 385 transitions. [2025-01-10 01:58:58,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2025-01-10 01:58:58,285 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:58:58,285 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:58:58,291 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2025-01-10 01:58:58,485 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2025-01-10 01:58:58,486 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-01-10 01:58:58,486 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:58:58,486 INFO L85 PathProgramCache]: Analyzing trace with hash -1223300743, now seen corresponding path program 1 times [2025-01-10 01:58:58,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:58:58,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710587700] [2025-01-10 01:58:58,486 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:58:58,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:58:58,490 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-01-10 01:58:58,497 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-01-10 01:58:58,497 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:58:58,497 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:58:58,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [195483530] [2025-01-10 01:58:58,498 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:58:58,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:58:58,498 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:58:58,505 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:58:58,506 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2025-01-10 01:58:58,530 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-01-10 01:58:58,543 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-01-10 01:58:58,543 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:58:58,544 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:58:58,545 INFO L256 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-01-10 01:58:58,546 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:58:58,644 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2025-01-10 01:58:58,644 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:58:58,774 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2025-01-10 01:58:58,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:58:58,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710587700] [2025-01-10 01:58:58,775 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:58:58,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [195483530] [2025-01-10 01:58:58,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [195483530] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:58:58,775 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 01:58:58,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2025-01-10 01:58:58,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80849448] [2025-01-10 01:58:58,775 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 01:58:58,776 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-01-10 01:58:58,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:58:58,776 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-01-10 01:58:58,776 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2025-01-10 01:58:58,776 INFO L87 Difference]: Start difference. First operand 296 states and 385 transitions. Second operand has 9 states, 8 states have (on average 10.0) internal successors, (80), 7 states have internal predecessors, (80), 3 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (15), 5 states have call predecessors, (15), 3 states have call successors, (15) [2025-01-10 01:58:59,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:58:59,217 INFO L93 Difference]: Finished difference Result 314 states and 386 transitions. [2025-01-10 01:58:59,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-10 01:58:59,220 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.0) internal successors, (80), 7 states have internal predecessors, (80), 3 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (15), 5 states have call predecessors, (15), 3 states have call successors, (15) Word has length 81 [2025-01-10 01:58:59,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:58:59,222 INFO L225 Difference]: With dead ends: 314 [2025-01-10 01:58:59,222 INFO L226 Difference]: Without dead ends: 313 [2025-01-10 01:58:59,222 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 152 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2025-01-10 01:58:59,223 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 190 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 363 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 363 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-10 01:58:59,223 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 318 Invalid, 369 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 363 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-10 01:58:59,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2025-01-10 01:58:59,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 296. [2025-01-10 01:58:59,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 211 states have (on average 1.5924170616113744) internal successors, (336), 270 states have internal predecessors, (336), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-01-10 01:58:59,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 382 transitions. [2025-01-10 01:58:59,232 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 382 transitions. Word has length 81 [2025-01-10 01:58:59,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:58:59,233 INFO L471 AbstractCegarLoop]: Abstraction has 296 states and 382 transitions. [2025-01-10 01:58:59,233 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.0) internal successors, (80), 7 states have internal predecessors, (80), 3 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (15), 5 states have call predecessors, (15), 3 states have call successors, (15) [2025-01-10 01:58:59,233 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 382 transitions. [2025-01-10 01:58:59,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2025-01-10 01:58:59,233 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:58:59,233 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:58:59,240 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2025-01-10 01:58:59,433 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2025-01-10 01:58:59,434 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-01-10 01:58:59,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:58:59,434 INFO L85 PathProgramCache]: Analyzing trace with hash 732382749, now seen corresponding path program 1 times [2025-01-10 01:58:59,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:58:59,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864903267] [2025-01-10 01:58:59,435 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:58:59,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:58:59,439 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 82 statements into 1 equivalence classes. [2025-01-10 01:58:59,444 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 82 of 82 statements. [2025-01-10 01:58:59,445 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:58:59,445 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:58:59,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1217306409] [2025-01-10 01:58:59,446 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:58:59,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:58:59,446 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:58:59,447 INFO L229 MonitoredProcess]: Starting monitored process 24 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 01:58:59,449 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2025-01-10 01:58:59,473 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 82 statements into 1 equivalence classes. [2025-01-10 01:58:59,486 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 82 of 82 statements. [2025-01-10 01:58:59,486 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:58:59,486 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:58:59,487 INFO L256 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-01-10 01:58:59,488 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:58:59,641 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 9 proven. 15 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-01-10 01:58:59,641 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:59:00,063 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 9 proven. 15 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-01-10 01:59:00,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:59:00,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864903267] [2025-01-10 01:59:00,064 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:59:00,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1217306409] [2025-01-10 01:59:00,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1217306409] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:59:00,064 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 01:59:00,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2025-01-10 01:59:00,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741223283] [2025-01-10 01:59:00,064 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 01:59:00,064 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-01-10 01:59:00,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:59:00,065 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-01-10 01:59:00,065 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2025-01-10 01:59:00,065 INFO L87 Difference]: Start difference. First operand 296 states and 382 transitions. Second operand has 11 states, 8 states have (on average 10.25) internal successors, (82), 7 states have internal predecessors, (82), 5 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (17), 7 states have call predecessors, (17), 5 states have call successors, (17) [2025-01-10 01:59:00,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:59:00,646 INFO L93 Difference]: Finished difference Result 314 states and 383 transitions. [2025-01-10 01:59:00,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-10 01:59:00,647 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 8 states have (on average 10.25) internal successors, (82), 7 states have internal predecessors, (82), 5 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (17), 7 states have call predecessors, (17), 5 states have call successors, (17) Word has length 82 [2025-01-10 01:59:00,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:59:00,648 INFO L225 Difference]: With dead ends: 314 [2025-01-10 01:59:00,648 INFO L226 Difference]: Without dead ends: 313 [2025-01-10 01:59:00,648 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 152 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2025-01-10 01:59:00,648 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 308 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 419 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 313 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 419 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-01-10 01:59:00,649 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [313 Valid, 388 Invalid, 432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 419 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-01-10 01:59:00,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2025-01-10 01:59:00,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 296. [2025-01-10 01:59:00,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 211 states have (on average 1.5781990521327014) internal successors, (333), 270 states have internal predecessors, (333), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-01-10 01:59:00,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 379 transitions. [2025-01-10 01:59:00,665 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 379 transitions. Word has length 82 [2025-01-10 01:59:00,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:59:00,668 INFO L471 AbstractCegarLoop]: Abstraction has 296 states and 379 transitions. [2025-01-10 01:59:00,668 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 8 states have (on average 10.25) internal successors, (82), 7 states have internal predecessors, (82), 5 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (17), 7 states have call predecessors, (17), 5 states have call successors, (17) [2025-01-10 01:59:00,668 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 379 transitions. [2025-01-10 01:59:00,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2025-01-10 01:59:00,668 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:59:00,668 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:59:00,675 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2025-01-10 01:59:00,868 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2025-01-10 01:59:00,869 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-01-10 01:59:00,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:59:00,869 INFO L85 PathProgramCache]: Analyzing trace with hash 1229028859, now seen corresponding path program 1 times [2025-01-10 01:59:00,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:59:00,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243162371] [2025-01-10 01:59:00,869 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:59:00,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:59:00,873 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 83 statements into 1 equivalence classes. [2025-01-10 01:59:00,878 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 83 of 83 statements. [2025-01-10 01:59:00,878 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:59:00,878 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:59:00,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [427106540] [2025-01-10 01:59:00,879 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:59:00,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:59:00,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:59:00,881 INFO L229 MonitoredProcess]: Starting monitored process 25 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 01:59:00,883 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2025-01-10 01:59:00,911 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 83 statements into 1 equivalence classes. [2025-01-10 01:59:00,926 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 83 of 83 statements. [2025-01-10 01:59:00,926 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:59:00,926 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:59:00,927 INFO L256 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-01-10 01:59:00,928 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:59:01,183 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2025-01-10 01:59:01,183 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:59:01,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:59:01,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243162371] [2025-01-10 01:59:01,446 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:59:01,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [427106540] [2025-01-10 01:59:01,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [427106540] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:59:01,446 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:59:01,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-01-10 01:59:01,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882417984] [2025-01-10 01:59:01,446 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:59:01,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-10 01:59:01,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:59:01,447 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-10 01:59:01,447 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2025-01-10 01:59:01,447 INFO L87 Difference]: Start difference. First operand 296 states and 379 transitions. Second operand has 8 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 2 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) [2025-01-10 01:59:01,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:59:01,950 INFO L93 Difference]: Finished difference Result 314 states and 390 transitions. [2025-01-10 01:59:01,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-10 01:59:01,951 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 2 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) Word has length 83 [2025-01-10 01:59:01,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:59:01,952 INFO L225 Difference]: With dead ends: 314 [2025-01-10 01:59:01,952 INFO L226 Difference]: Without dead ends: 311 [2025-01-10 01:59:01,952 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2025-01-10 01:59:01,952 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 164 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 685 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 687 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 685 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-01-10 01:59:01,952 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 321 Invalid, 687 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 685 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-01-10 01:59:01,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2025-01-10 01:59:01,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 296. [2025-01-10 01:59:01,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 211 states have (on average 1.5497630331753554) internal successors, (327), 270 states have internal predecessors, (327), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-01-10 01:59:01,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 373 transitions. [2025-01-10 01:59:01,964 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 373 transitions. Word has length 83 [2025-01-10 01:59:01,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:59:01,965 INFO L471 AbstractCegarLoop]: Abstraction has 296 states and 373 transitions. [2025-01-10 01:59:01,965 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 2 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) [2025-01-10 01:59:01,965 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 373 transitions. [2025-01-10 01:59:01,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2025-01-10 01:59:01,965 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:59:01,965 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:59:01,977 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2025-01-10 01:59:02,165 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2025-01-10 01:59:02,166 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-01-10 01:59:02,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:59:02,166 INFO L85 PathProgramCache]: Analyzing trace with hash -554810913, now seen corresponding path program 1 times [2025-01-10 01:59:02,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:59:02,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145960002] [2025-01-10 01:59:02,166 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:59:02,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:59:02,170 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-01-10 01:59:02,180 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-01-10 01:59:02,180 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:59:02,180 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:59:02,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [304765729] [2025-01-10 01:59:02,181 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:59:02,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:59:02,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:59:02,185 INFO L229 MonitoredProcess]: Starting monitored process 26 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 01:59:02,189 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2025-01-10 01:59:02,213 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-01-10 01:59:02,228 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-01-10 01:59:02,228 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:59:02,228 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:59:02,228 INFO L256 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-01-10 01:59:02,230 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:59:02,630 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 9 proven. 15 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-01-10 01:59:02,630 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:59:02,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:59:02,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145960002] [2025-01-10 01:59:02,730 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:59:02,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [304765729] [2025-01-10 01:59:02,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [304765729] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:59:02,730 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:59:02,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-01-10 01:59:02,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996299664] [2025-01-10 01:59:02,731 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:59:02,731 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-10 01:59:02,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:59:02,731 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-10 01:59:02,731 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2025-01-10 01:59:02,731 INFO L87 Difference]: Start difference. First operand 296 states and 373 transitions. Second operand has 8 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2025-01-10 01:59:03,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:59:03,137 INFO L93 Difference]: Finished difference Result 304 states and 376 transitions. [2025-01-10 01:59:03,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-10 01:59:03,138 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) Word has length 84 [2025-01-10 01:59:03,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:59:03,139 INFO L225 Difference]: With dead ends: 304 [2025-01-10 01:59:03,139 INFO L226 Difference]: Without dead ends: 301 [2025-01-10 01:59:03,139 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2025-01-10 01:59:03,139 INFO L435 NwaCegarLoop]: 69 mSDtfsCounter, 241 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 451 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 451 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-10 01:59:03,140 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 238 Invalid, 460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 451 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-10 01:59:03,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2025-01-10 01:59:03,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 296. [2025-01-10 01:59:03,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 211 states have (on average 1.5213270142180095) internal successors, (321), 270 states have internal predecessors, (321), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-01-10 01:59:03,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 367 transitions. [2025-01-10 01:59:03,148 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 367 transitions. Word has length 84 [2025-01-10 01:59:03,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:59:03,148 INFO L471 AbstractCegarLoop]: Abstraction has 296 states and 367 transitions. [2025-01-10 01:59:03,148 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2025-01-10 01:59:03,148 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 367 transitions. [2025-01-10 01:59:03,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2025-01-10 01:59:03,149 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:59:03,149 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:59:03,155 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2025-01-10 01:59:03,353 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2025-01-10 01:59:03,353 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-01-10 01:59:03,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:59:03,356 INFO L85 PathProgramCache]: Analyzing trace with hash 311394858, now seen corresponding path program 1 times [2025-01-10 01:59:03,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:59:03,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223977520] [2025-01-10 01:59:03,356 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:59:03,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:59:03,360 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-01-10 01:59:03,367 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-01-10 01:59:03,370 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:59:03,370 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:59:03,412 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-01-10 01:59:03,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:59:03,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223977520] [2025-01-10 01:59:03,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [223977520] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:59:03,412 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:59:03,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 01:59:03,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493640408] [2025-01-10 01:59:03,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:59:03,412 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 01:59:03,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:59:03,413 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 01:59:03,413 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:59:03,413 INFO L87 Difference]: Start difference. First operand 296 states and 367 transitions. Second operand has 3 states, 2 states have (on average 26.5) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2025-01-10 01:59:03,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:59:03,479 INFO L93 Difference]: Finished difference Result 296 states and 367 transitions. [2025-01-10 01:59:03,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 01:59:03,480 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 26.5) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 97 [2025-01-10 01:59:03,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:59:03,481 INFO L225 Difference]: With dead ends: 296 [2025-01-10 01:59:03,481 INFO L226 Difference]: Without dead ends: 295 [2025-01-10 01:59:03,482 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 01:59:03,482 INFO L435 NwaCegarLoop]: 156 mSDtfsCounter, 1 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:59:03,482 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 281 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:59:03,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2025-01-10 01:59:03,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 295. [2025-01-10 01:59:03,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 211 states have (on average 1.5023696682464456) internal successors, (317), 269 states have internal predecessors, (317), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-01-10 01:59:03,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 363 transitions. [2025-01-10 01:59:03,492 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 363 transitions. Word has length 97 [2025-01-10 01:59:03,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:59:03,492 INFO L471 AbstractCegarLoop]: Abstraction has 295 states and 363 transitions. [2025-01-10 01:59:03,492 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 26.5) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2025-01-10 01:59:03,492 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 363 transitions. [2025-01-10 01:59:03,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2025-01-10 01:59:03,493 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:59:03,494 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:59:03,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2025-01-10 01:59:03,494 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-01-10 01:59:03,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:59:03,494 INFO L85 PathProgramCache]: Analyzing trace with hash 1063306150, now seen corresponding path program 1 times [2025-01-10 01:59:03,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:59:03,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017494074] [2025-01-10 01:59:03,494 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:59:03,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:59:03,498 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 98 statements into 1 equivalence classes. [2025-01-10 01:59:03,501 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-01-10 01:59:03,501 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:59:03,501 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:59:03,566 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-01-10 01:59:03,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:59:03,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017494074] [2025-01-10 01:59:03,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017494074] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:59:03,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:59:03,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-10 01:59:03,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844888413] [2025-01-10 01:59:03,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:59:03,566 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-10 01:59:03,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:59:03,567 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 01:59:03,567 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-01-10 01:59:03,567 INFO L87 Difference]: Start difference. First operand 295 states and 363 transitions. Second operand has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2025-01-10 01:59:04,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:59:04,095 INFO L93 Difference]: Finished difference Result 299 states and 364 transitions. [2025-01-10 01:59:04,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-10 01:59:04,095 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 98 [2025-01-10 01:59:04,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:59:04,096 INFO L225 Difference]: With dead ends: 299 [2025-01-10 01:59:04,096 INFO L226 Difference]: Without dead ends: 298 [2025-01-10 01:59:04,096 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2025-01-10 01:59:04,096 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 449 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 361 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 449 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-01-10 01:59:04,097 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [449 Valid, 217 Invalid, 402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 361 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-01-10 01:59:04,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2025-01-10 01:59:04,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 295. [2025-01-10 01:59:04,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 211 states have (on average 1.4976303317535544) internal successors, (316), 269 states have internal predecessors, (316), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-01-10 01:59:04,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 362 transitions. [2025-01-10 01:59:04,107 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 362 transitions. Word has length 98 [2025-01-10 01:59:04,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:59:04,107 INFO L471 AbstractCegarLoop]: Abstraction has 295 states and 362 transitions. [2025-01-10 01:59:04,107 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2025-01-10 01:59:04,107 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 362 transitions. [2025-01-10 01:59:04,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2025-01-10 01:59:04,108 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:59:04,108 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:59:04,108 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2025-01-10 01:59:04,108 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-01-10 01:59:04,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:59:04,109 INFO L85 PathProgramCache]: Analyzing trace with hash -366540826, now seen corresponding path program 1 times [2025-01-10 01:59:04,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:59:04,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711399353] [2025-01-10 01:59:04,109 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:59:04,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:59:04,113 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-01-10 01:59:04,117 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-01-10 01:59:04,117 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:59:04,117 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:59:04,200 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-01-10 01:59:04,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:59:04,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711399353] [2025-01-10 01:59:04,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711399353] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:59:04,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:59:04,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 01:59:04,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84015073] [2025-01-10 01:59:04,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:59:04,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 01:59:04,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:59:04,202 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 01:59:04,202 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-10 01:59:04,202 INFO L87 Difference]: Start difference. First operand 295 states and 362 transitions. Second operand has 5 states, 4 states have (on average 14.0) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2025-01-10 01:59:04,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:59:04,258 INFO L93 Difference]: Finished difference Result 310 states and 373 transitions. [2025-01-10 01:59:04,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 01:59:04,259 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.0) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 100 [2025-01-10 01:59:04,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:59:04,260 INFO L225 Difference]: With dead ends: 310 [2025-01-10 01:59:04,260 INFO L226 Difference]: Without dead ends: 309 [2025-01-10 01:59:04,260 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-10 01:59:04,261 INFO L435 NwaCegarLoop]: 151 mSDtfsCounter, 14 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 428 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:59:04,261 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 428 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:59:04,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2025-01-10 01:59:04,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 300. [2025-01-10 01:59:04,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 216 states have (on average 1.4861111111111112) internal successors, (321), 274 states have internal predecessors, (321), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-01-10 01:59:04,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 367 transitions. [2025-01-10 01:59:04,272 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 367 transitions. Word has length 100 [2025-01-10 01:59:04,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:59:04,272 INFO L471 AbstractCegarLoop]: Abstraction has 300 states and 367 transitions. [2025-01-10 01:59:04,272 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.0) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2025-01-10 01:59:04,273 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 367 transitions. [2025-01-10 01:59:04,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2025-01-10 01:59:04,273 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:59:04,274 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:59:04,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2025-01-10 01:59:04,274 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-01-10 01:59:04,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:59:04,274 INFO L85 PathProgramCache]: Analyzing trace with hash 1522136442, now seen corresponding path program 1 times [2025-01-10 01:59:04,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:59:04,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245904623] [2025-01-10 01:59:04,274 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:59:04,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:59:04,278 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-01-10 01:59:04,284 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-01-10 01:59:04,285 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:59:04,285 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:59:04,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [552224987] [2025-01-10 01:59:04,287 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:59:04,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:59:04,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:59:04,290 INFO L229 MonitoredProcess]: Starting monitored process 27 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 01:59:04,292 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2025-01-10 01:59:04,315 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-01-10 01:59:04,331 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-01-10 01:59:04,331 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:59:04,331 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:59:04,331 INFO L256 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 01:59:04,332 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:59:04,478 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-01-10 01:59:04,479 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:59:04,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:59:04,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245904623] [2025-01-10 01:59:04,479 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:59:04,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [552224987] [2025-01-10 01:59:04,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [552224987] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:59:04,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:59:04,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:59:04,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562075686] [2025-01-10 01:59:04,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:59:04,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:59:04,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:59:04,480 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:59:04,481 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:59:04,481 INFO L87 Difference]: Start difference. First operand 300 states and 367 transitions. Second operand has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2025-01-10 01:59:04,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:59:04,661 INFO L93 Difference]: Finished difference Result 310 states and 371 transitions. [2025-01-10 01:59:04,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:59:04,662 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 101 [2025-01-10 01:59:04,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:59:04,663 INFO L225 Difference]: With dead ends: 310 [2025-01-10 01:59:04,663 INFO L226 Difference]: Without dead ends: 309 [2025-01-10 01:59:04,663 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 98 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 01:59:04,663 INFO L435 NwaCegarLoop]: 133 mSDtfsCounter, 15 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:59:04,663 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 307 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:59:04,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2025-01-10 01:59:04,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 302. [2025-01-10 01:59:04,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 218 states have (on average 1.481651376146789) internal successors, (323), 276 states have internal predecessors, (323), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-01-10 01:59:04,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 369 transitions. [2025-01-10 01:59:04,674 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 369 transitions. Word has length 101 [2025-01-10 01:59:04,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:59:04,674 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 369 transitions. [2025-01-10 01:59:04,674 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2025-01-10 01:59:04,674 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 369 transitions. [2025-01-10 01:59:04,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2025-01-10 01:59:04,675 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:59:04,675 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:59:04,681 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2025-01-10 01:59:04,875 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2025-01-10 01:59:04,875 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-01-10 01:59:04,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:59:04,875 INFO L85 PathProgramCache]: Analyzing trace with hash 1569851605, now seen corresponding path program 1 times [2025-01-10 01:59:04,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:59:04,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220632568] [2025-01-10 01:59:04,876 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:59:04,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:59:04,881 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-01-10 01:59:04,887 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-01-10 01:59:04,887 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:59:04,887 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:59:04,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [348118686] [2025-01-10 01:59:04,887 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:59:04,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:59:04,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:59:04,889 INFO L229 MonitoredProcess]: Starting monitored process 28 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 01:59:04,890 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2025-01-10 01:59:04,916 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-01-10 01:59:04,933 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-01-10 01:59:04,933 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:59:04,933 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:59:04,933 INFO L256 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-01-10 01:59:04,934 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:59:05,084 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2025-01-10 01:59:05,085 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:59:05,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:59:05,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220632568] [2025-01-10 01:59:05,134 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:59:05,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [348118686] [2025-01-10 01:59:05,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [348118686] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:59:05,134 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:59:05,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-01-10 01:59:05,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843718809] [2025-01-10 01:59:05,134 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:59:05,135 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-10 01:59:05,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:59:05,135 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-10 01:59:05,135 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2025-01-10 01:59:05,135 INFO L87 Difference]: Start difference. First operand 302 states and 369 transitions. Second operand has 8 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 3 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 3 states have call successors, (10) [2025-01-10 01:59:05,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:59:05,474 INFO L93 Difference]: Finished difference Result 305 states and 369 transitions. [2025-01-10 01:59:05,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-10 01:59:05,475 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 3 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 3 states have call successors, (10) Word has length 101 [2025-01-10 01:59:05,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:59:05,476 INFO L225 Difference]: With dead ends: 305 [2025-01-10 01:59:05,476 INFO L226 Difference]: Without dead ends: 303 [2025-01-10 01:59:05,476 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2025-01-10 01:59:05,476 INFO L435 NwaCegarLoop]: 102 mSDtfsCounter, 194 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 486 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 409 SdHoareTripleChecker+Invalid, 497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 486 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 01:59:05,476 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 409 Invalid, 497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 486 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 01:59:05,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2025-01-10 01:59:05,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 302. [2025-01-10 01:59:05,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 218 states have (on average 1.4724770642201834) internal successors, (321), 276 states have internal predecessors, (321), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-01-10 01:59:05,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 367 transitions. [2025-01-10 01:59:05,485 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 367 transitions. Word has length 101 [2025-01-10 01:59:05,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:59:05,485 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 367 transitions. [2025-01-10 01:59:05,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 3 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 3 states have call successors, (10) [2025-01-10 01:59:05,485 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 367 transitions. [2025-01-10 01:59:05,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2025-01-10 01:59:05,486 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:59:05,486 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:59:05,492 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2025-01-10 01:59:05,686 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,28 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:59:05,686 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-01-10 01:59:05,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:59:05,687 INFO L85 PathProgramCache]: Analyzing trace with hash 1420759562, now seen corresponding path program 1 times [2025-01-10 01:59:05,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:59:05,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982599304] [2025-01-10 01:59:05,687 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:59:05,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:59:05,692 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-01-10 01:59:05,701 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-01-10 01:59:05,701 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:59:05,701 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:59:05,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [482462213] [2025-01-10 01:59:05,701 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:59:05,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:59:05,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:59:05,707 INFO L229 MonitoredProcess]: Starting monitored process 29 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 01:59:05,712 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2025-01-10 01:59:05,738 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-01-10 01:59:05,763 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-01-10 01:59:05,763 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:59:05,764 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:59:05,767 INFO L256 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-01-10 01:59:05,768 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:59:05,975 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 9 proven. 17 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-01-10 01:59:05,975 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:59:06,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:59:06,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982599304] [2025-01-10 01:59:06,092 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:59:06,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [482462213] [2025-01-10 01:59:06,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [482462213] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:59:06,092 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:59:06,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-01-10 01:59:06,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818899489] [2025-01-10 01:59:06,092 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:59:06,093 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-01-10 01:59:06,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:59:06,093 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-01-10 01:59:06,093 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2025-01-10 01:59:06,093 INFO L87 Difference]: Start difference. First operand 302 states and 367 transitions. Second operand has 9 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) [2025-01-10 01:59:06,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:59:06,504 INFO L93 Difference]: Finished difference Result 351 states and 423 transitions. [2025-01-10 01:59:06,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-10 01:59:06,504 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) Word has length 102 [2025-01-10 01:59:06,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:59:06,505 INFO L225 Difference]: With dead ends: 351 [2025-01-10 01:59:06,506 INFO L226 Difference]: Without dead ends: 349 [2025-01-10 01:59:06,506 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2025-01-10 01:59:06,506 INFO L435 NwaCegarLoop]: 81 mSDtfsCounter, 407 mSDsluCounter, 388 mSDsCounter, 0 mSdLazyCounter, 609 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 412 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 637 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 609 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-10 01:59:06,506 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [412 Valid, 469 Invalid, 637 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 609 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-10 01:59:06,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2025-01-10 01:59:06,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 347. [2025-01-10 01:59:06,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 259 states have (on average 1.4131274131274132) internal successors, (366), 317 states have internal predecessors, (366), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2025-01-10 01:59:06,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 420 transitions. [2025-01-10 01:59:06,525 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 420 transitions. Word has length 102 [2025-01-10 01:59:06,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:59:06,525 INFO L471 AbstractCegarLoop]: Abstraction has 347 states and 420 transitions. [2025-01-10 01:59:06,525 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) [2025-01-10 01:59:06,525 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 420 transitions. [2025-01-10 01:59:06,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2025-01-10 01:59:06,526 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:59:06,526 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:59:06,532 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2025-01-10 01:59:06,730 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,29 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:59:06,730 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-01-10 01:59:06,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:59:06,730 INFO L85 PathProgramCache]: Analyzing trace with hash 1093873527, now seen corresponding path program 1 times [2025-01-10 01:59:06,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:59:06,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664171861] [2025-01-10 01:59:06,730 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:59:06,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:59:06,734 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-01-10 01:59:06,737 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-01-10 01:59:06,738 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:59:06,738 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:59:06,774 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-01-10 01:59:06,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:59:06,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664171861] [2025-01-10 01:59:06,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664171861] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:59:06,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:59:06,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 01:59:06,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290337199] [2025-01-10 01:59:06,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:59:06,774 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 01:59:06,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:59:06,775 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 01:59:06,775 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-10 01:59:06,775 INFO L87 Difference]: Start difference. First operand 347 states and 420 transitions. Second operand has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2025-01-10 01:59:07,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:59:07,051 INFO L93 Difference]: Finished difference Result 378 states and 420 transitions. [2025-01-10 01:59:07,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-10 01:59:07,055 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 103 [2025-01-10 01:59:07,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:59:07,056 INFO L225 Difference]: With dead ends: 378 [2025-01-10 01:59:07,056 INFO L226 Difference]: Without dead ends: 377 [2025-01-10 01:59:07,056 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-01-10 01:59:07,056 INFO L435 NwaCegarLoop]: 191 mSDtfsCounter, 133 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 546 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 01:59:07,056 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 546 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 01:59:07,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2025-01-10 01:59:07,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 347. [2025-01-10 01:59:07,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 259 states have (on average 1.4015444015444016) internal successors, (363), 317 states have internal predecessors, (363), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2025-01-10 01:59:07,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 417 transitions. [2025-01-10 01:59:07,098 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 417 transitions. Word has length 103 [2025-01-10 01:59:07,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:59:07,098 INFO L471 AbstractCegarLoop]: Abstraction has 347 states and 417 transitions. [2025-01-10 01:59:07,098 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2025-01-10 01:59:07,098 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 417 transitions. [2025-01-10 01:59:07,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2025-01-10 01:59:07,098 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:59:07,099 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:59:07,099 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2025-01-10 01:59:07,099 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-01-10 01:59:07,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:59:07,099 INFO L85 PathProgramCache]: Analyzing trace with hash -297806614, now seen corresponding path program 1 times [2025-01-10 01:59:07,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:59:07,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265053703] [2025-01-10 01:59:07,099 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:59:07,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:59:07,108 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-01-10 01:59:07,117 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-01-10 01:59:07,121 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:59:07,121 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:59:07,182 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-01-10 01:59:07,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:59:07,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265053703] [2025-01-10 01:59:07,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265053703] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:59:07,183 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:59:07,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 01:59:07,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759196650] [2025-01-10 01:59:07,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:59:07,183 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 01:59:07,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:59:07,184 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 01:59:07,184 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-10 01:59:07,184 INFO L87 Difference]: Start difference. First operand 347 states and 417 transitions. Second operand has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2025-01-10 01:59:07,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:59:07,256 INFO L93 Difference]: Finished difference Result 360 states and 427 transitions. [2025-01-10 01:59:07,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 01:59:07,257 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 104 [2025-01-10 01:59:07,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:59:07,258 INFO L225 Difference]: With dead ends: 360 [2025-01-10 01:59:07,258 INFO L226 Difference]: Without dead ends: 359 [2025-01-10 01:59:07,258 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-10 01:59:07,259 INFO L435 NwaCegarLoop]: 151 mSDtfsCounter, 13 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 428 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:59:07,259 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 428 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:59:07,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2025-01-10 01:59:07,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 352. [2025-01-10 01:59:07,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 352 states, 264 states have (on average 1.4015151515151516) internal successors, (370), 322 states have internal predecessors, (370), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2025-01-10 01:59:07,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 424 transitions. [2025-01-10 01:59:07,272 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 424 transitions. Word has length 104 [2025-01-10 01:59:07,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:59:07,273 INFO L471 AbstractCegarLoop]: Abstraction has 352 states and 424 transitions. [2025-01-10 01:59:07,273 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2025-01-10 01:59:07,273 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 424 transitions. [2025-01-10 01:59:07,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2025-01-10 01:59:07,274 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:59:07,274 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:59:07,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2025-01-10 01:59:07,274 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-01-10 01:59:07,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:59:07,274 INFO L85 PathProgramCache]: Analyzing trace with hash -449658964, now seen corresponding path program 1 times [2025-01-10 01:59:07,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:59:07,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30697015] [2025-01-10 01:59:07,274 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:59:07,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:59:07,278 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-01-10 01:59:07,284 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-01-10 01:59:07,284 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:59:07,284 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:59:07,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1510277320] [2025-01-10 01:59:07,284 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:59:07,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:59:07,285 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:59:07,286 INFO L229 MonitoredProcess]: Starting monitored process 30 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 01:59:07,288 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2025-01-10 01:59:07,319 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-01-10 01:59:07,338 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-01-10 01:59:07,339 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:59:07,339 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:59:07,340 INFO L256 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-01-10 01:59:07,343 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:59:07,597 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2025-01-10 01:59:07,597 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:59:07,779 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2025-01-10 01:59:07,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:59:07,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30697015] [2025-01-10 01:59:07,779 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:59:07,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1510277320] [2025-01-10 01:59:07,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1510277320] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:59:07,779 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 01:59:07,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 13 [2025-01-10 01:59:07,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928272071] [2025-01-10 01:59:07,779 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 01:59:07,780 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-01-10 01:59:07,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:59:07,780 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-01-10 01:59:07,780 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2025-01-10 01:59:07,780 INFO L87 Difference]: Start difference. First operand 352 states and 424 transitions. Second operand has 14 states, 13 states have (on average 8.76923076923077) internal successors, (114), 14 states have internal predecessors, (114), 7 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (20), 6 states have call predecessors, (20), 7 states have call successors, (20) [2025-01-10 01:59:08,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:59:08,788 INFO L93 Difference]: Finished difference Result 357 states and 425 transitions. [2025-01-10 01:59:08,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-10 01:59:08,789 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 8.76923076923077) internal successors, (114), 14 states have internal predecessors, (114), 7 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (20), 6 states have call predecessors, (20), 7 states have call successors, (20) Word has length 104 [2025-01-10 01:59:08,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:59:08,790 INFO L225 Difference]: With dead ends: 357 [2025-01-10 01:59:08,790 INFO L226 Difference]: Without dead ends: 356 [2025-01-10 01:59:08,790 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 193 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=148, Invalid=452, Unknown=0, NotChecked=0, Total=600 [2025-01-10 01:59:08,791 INFO L435 NwaCegarLoop]: 99 mSDtfsCounter, 522 mSDsluCounter, 595 mSDsCounter, 0 mSdLazyCounter, 1000 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 523 SdHoareTripleChecker+Valid, 694 SdHoareTripleChecker+Invalid, 1047 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 1000 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-01-10 01:59:08,791 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [523 Valid, 694 Invalid, 1047 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 1000 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-01-10 01:59:08,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2025-01-10 01:59:08,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 352. [2025-01-10 01:59:08,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 352 states, 264 states have (on average 1.3901515151515151) internal successors, (367), 322 states have internal predecessors, (367), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2025-01-10 01:59:08,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 421 transitions. [2025-01-10 01:59:08,804 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 421 transitions. Word has length 104 [2025-01-10 01:59:08,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:59:08,804 INFO L471 AbstractCegarLoop]: Abstraction has 352 states and 421 transitions. [2025-01-10 01:59:08,804 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 8.76923076923077) internal successors, (114), 14 states have internal predecessors, (114), 7 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (20), 6 states have call predecessors, (20), 7 states have call successors, (20) [2025-01-10 01:59:08,804 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 421 transitions. [2025-01-10 01:59:08,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2025-01-10 01:59:08,805 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:59:08,805 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:59:08,812 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2025-01-10 01:59:09,009 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,30 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:59:09,009 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-01-10 01:59:09,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:59:09,009 INFO L85 PathProgramCache]: Analyzing trace with hash -642070274, now seen corresponding path program 1 times [2025-01-10 01:59:09,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:59:09,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527878876] [2025-01-10 01:59:09,009 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:59:09,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:59:09,015 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-01-10 01:59:09,027 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-01-10 01:59:09,028 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:59:09,028 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:59:09,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1604588959] [2025-01-10 01:59:09,029 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:59:09,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:59:09,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:59:09,034 INFO L229 MonitoredProcess]: Starting monitored process 31 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 01:59:09,036 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2025-01-10 01:59:09,062 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-01-10 01:59:09,079 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-01-10 01:59:09,080 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:59:09,080 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:59:09,080 INFO L256 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 01:59:09,082 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:59:09,220 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-01-10 01:59:09,220 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:59:09,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:59:09,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527878876] [2025-01-10 01:59:09,220 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:59:09,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1604588959] [2025-01-10 01:59:09,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1604588959] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:59:09,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:59:09,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 01:59:09,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943090421] [2025-01-10 01:59:09,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:59:09,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 01:59:09,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:59:09,221 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 01:59:09,221 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-10 01:59:09,221 INFO L87 Difference]: Start difference. First operand 352 states and 421 transitions. Second operand has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2025-01-10 01:59:09,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:59:09,493 INFO L93 Difference]: Finished difference Result 358 states and 424 transitions. [2025-01-10 01:59:09,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 01:59:09,493 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 105 [2025-01-10 01:59:09,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:59:09,494 INFO L225 Difference]: With dead ends: 358 [2025-01-10 01:59:09,494 INFO L226 Difference]: Without dead ends: 357 [2025-01-10 01:59:09,494 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-10 01:59:09,495 INFO L435 NwaCegarLoop]: 143 mSDtfsCounter, 54 mSDsluCounter, 387 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 530 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 01:59:09,495 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 530 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 01:59:09,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2025-01-10 01:59:09,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 354. [2025-01-10 01:59:09,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 266 states have (on average 1.387218045112782) internal successors, (369), 324 states have internal predecessors, (369), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2025-01-10 01:59:09,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 423 transitions. [2025-01-10 01:59:09,509 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 423 transitions. Word has length 105 [2025-01-10 01:59:09,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:59:09,510 INFO L471 AbstractCegarLoop]: Abstraction has 354 states and 423 transitions. [2025-01-10 01:59:09,510 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2025-01-10 01:59:09,510 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 423 transitions. [2025-01-10 01:59:09,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2025-01-10 01:59:09,510 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:59:09,511 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:59:09,518 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2025-01-10 01:59:09,715 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2025-01-10 01:59:09,715 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-01-10 01:59:09,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:59:09,715 INFO L85 PathProgramCache]: Analyzing trace with hash 1445759157, now seen corresponding path program 1 times [2025-01-10 01:59:09,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:59:09,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517358958] [2025-01-10 01:59:09,715 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:59:09,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:59:09,722 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-01-10 01:59:09,728 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-01-10 01:59:09,728 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:59:09,728 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:59:09,858 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2025-01-10 01:59:09,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:59:09,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517358958] [2025-01-10 01:59:09,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517358958] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:59:09,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [47430243] [2025-01-10 01:59:09,858 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:59:09,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:59:09,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:59:09,860 INFO L229 MonitoredProcess]: Starting monitored process 32 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 01:59:09,863 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2025-01-10 01:59:09,886 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-01-10 01:59:09,903 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-01-10 01:59:09,903 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:59:09,903 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:59:09,904 INFO L256 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-01-10 01:59:09,905 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:59:10,135 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2025-01-10 01:59:10,135 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:59:10,365 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2025-01-10 01:59:10,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [47430243] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:59:10,365 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:59:10,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 18 [2025-01-10 01:59:10,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923057826] [2025-01-10 01:59:10,365 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:59:10,366 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-01-10 01:59:10,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:59:10,366 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-01-10 01:59:10,367 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=246, Unknown=0, NotChecked=0, Total=306 [2025-01-10 01:59:10,367 INFO L87 Difference]: Start difference. First operand 354 states and 423 transitions. Second operand has 18 states, 18 states have (on average 9.833333333333334) internal successors, (177), 17 states have internal predecessors, (177), 10 states have call successors, (28), 1 states have call predecessors, (28), 2 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) [2025-01-10 01:59:11,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:59:11,391 INFO L93 Difference]: Finished difference Result 740 states and 851 transitions. [2025-01-10 01:59:11,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-10 01:59:11,391 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 9.833333333333334) internal successors, (177), 17 states have internal predecessors, (177), 10 states have call successors, (28), 1 states have call predecessors, (28), 2 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) Word has length 107 [2025-01-10 01:59:11,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:59:11,394 INFO L225 Difference]: With dead ends: 740 [2025-01-10 01:59:11,394 INFO L226 Difference]: Without dead ends: 711 [2025-01-10 01:59:11,394 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 203 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=141, Invalid=509, Unknown=0, NotChecked=0, Total=650 [2025-01-10 01:59:11,394 INFO L435 NwaCegarLoop]: 121 mSDtfsCounter, 1123 mSDsluCounter, 1004 mSDsCounter, 0 mSdLazyCounter, 1228 mSolverCounterSat, 207 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1123 SdHoareTripleChecker+Valid, 1125 SdHoareTripleChecker+Invalid, 1435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 207 IncrementalHoareTripleChecker+Valid, 1228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-01-10 01:59:11,395 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1123 Valid, 1125 Invalid, 1435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [207 Valid, 1228 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-01-10 01:59:11,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 711 states. [2025-01-10 01:59:11,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 711 to 505. [2025-01-10 01:59:11,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 505 states, 405 states have (on average 1.5506172839506174) internal successors, (628), 463 states have internal predecessors, (628), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2025-01-10 01:59:11,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 706 transitions. [2025-01-10 01:59:11,415 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 706 transitions. Word has length 107 [2025-01-10 01:59:11,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:59:11,415 INFO L471 AbstractCegarLoop]: Abstraction has 505 states and 706 transitions. [2025-01-10 01:59:11,416 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 9.833333333333334) internal successors, (177), 17 states have internal predecessors, (177), 10 states have call successors, (28), 1 states have call predecessors, (28), 2 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) [2025-01-10 01:59:11,416 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 706 transitions. [2025-01-10 01:59:11,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2025-01-10 01:59:11,416 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:59:11,416 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:59:11,426 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2025-01-10 01:59:11,617 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2025-01-10 01:59:11,617 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-01-10 01:59:11,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:59:11,618 INFO L85 PathProgramCache]: Analyzing trace with hash 2100067237, now seen corresponding path program 1 times [2025-01-10 01:59:11,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:59:11,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974605557] [2025-01-10 01:59:11,618 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:59:11,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:59:11,624 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 109 statements into 1 equivalence classes. [2025-01-10 01:59:11,629 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 109 of 109 statements. [2025-01-10 01:59:11,629 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:59:11,629 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:59:11,784 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2025-01-10 01:59:11,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:59:11,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974605557] [2025-01-10 01:59:11,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [974605557] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:59:11,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [627155394] [2025-01-10 01:59:11,785 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:59:11,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:59:11,785 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:59:11,786 INFO L229 MonitoredProcess]: Starting monitored process 33 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 01:59:11,788 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2025-01-10 01:59:11,813 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 109 statements into 1 equivalence classes. [2025-01-10 01:59:11,830 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 109 of 109 statements. [2025-01-10 01:59:11,830 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:59:11,830 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:59:11,831 INFO L256 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-01-10 01:59:11,832 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:59:11,949 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-01-10 01:59:11,949 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:59:11,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [627155394] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:59:11,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:59:11,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [11] total 17 [2025-01-10 01:59:11,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746738266] [2025-01-10 01:59:11,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:59:11,950 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-10 01:59:11,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:59:11,951 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-10 01:59:11,951 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2025-01-10 01:59:11,951 INFO L87 Difference]: Start difference. First operand 505 states and 706 transitions. Second operand has 8 states, 7 states have (on average 9.285714285714286) internal successors, (65), 8 states have internal predecessors, (65), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2025-01-10 01:59:12,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:59:12,868 INFO L93 Difference]: Finished difference Result 957 states and 1277 transitions. [2025-01-10 01:59:12,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-10 01:59:12,869 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.285714285714286) internal successors, (65), 8 states have internal predecessors, (65), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 109 [2025-01-10 01:59:12,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:59:12,871 INFO L225 Difference]: With dead ends: 957 [2025-01-10 01:59:12,871 INFO L226 Difference]: Without dead ends: 956 [2025-01-10 01:59:12,871 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=152, Invalid=660, Unknown=0, NotChecked=0, Total=812 [2025-01-10 01:59:12,872 INFO L435 NwaCegarLoop]: 181 mSDtfsCounter, 823 mSDsluCounter, 595 mSDsCounter, 0 mSdLazyCounter, 799 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 828 SdHoareTripleChecker+Valid, 776 SdHoareTripleChecker+Invalid, 841 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 799 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-01-10 01:59:12,872 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [828 Valid, 776 Invalid, 841 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 799 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-01-10 01:59:12,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 956 states. [2025-01-10 01:59:12,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 956 to 698. [2025-01-10 01:59:12,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 698 states, 582 states have (on average 1.6443298969072164) internal successors, (957), 640 states have internal predecessors, (957), 55 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2025-01-10 01:59:12,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 698 states and 1067 transitions. [2025-01-10 01:59:12,896 INFO L78 Accepts]: Start accepts. Automaton has 698 states and 1067 transitions. Word has length 109 [2025-01-10 01:59:12,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:59:12,896 INFO L471 AbstractCegarLoop]: Abstraction has 698 states and 1067 transitions. [2025-01-10 01:59:12,897 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.285714285714286) internal successors, (65), 8 states have internal predecessors, (65), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2025-01-10 01:59:12,897 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 1067 transitions. [2025-01-10 01:59:12,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2025-01-10 01:59:12,897 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:59:12,897 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:59:12,903 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2025-01-10 01:59:13,097 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2025-01-10 01:59:13,098 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-01-10 01:59:13,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:59:13,098 INFO L85 PathProgramCache]: Analyzing trace with hash 677574974, now seen corresponding path program 1 times [2025-01-10 01:59:13,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:59:13,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778492745] [2025-01-10 01:59:13,099 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:59:13,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:59:13,105 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 110 statements into 1 equivalence classes. [2025-01-10 01:59:13,111 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 110 of 110 statements. [2025-01-10 01:59:13,112 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:59:13,112 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:59:13,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1654203938] [2025-01-10 01:59:13,112 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:59:13,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:59:13,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:59:13,117 INFO L229 MonitoredProcess]: Starting monitored process 34 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 01:59:13,119 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2025-01-10 01:59:13,142 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 110 statements into 1 equivalence classes. [2025-01-10 01:59:13,163 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 110 of 110 statements. [2025-01-10 01:59:13,163 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:59:13,163 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:59:13,164 INFO L256 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-10 01:59:13,165 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:59:13,241 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-01-10 01:59:13,241 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:59:13,358 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-01-10 01:59:13,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:59:13,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778492745] [2025-01-10 01:59:13,359 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:59:13,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1654203938] [2025-01-10 01:59:13,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1654203938] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:59:13,359 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 01:59:13,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2025-01-10 01:59:13,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965746314] [2025-01-10 01:59:13,360 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 01:59:13,360 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-01-10 01:59:13,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:59:13,360 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-01-10 01:59:13,361 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2025-01-10 01:59:13,361 INFO L87 Difference]: Start difference. First operand 698 states and 1067 transitions. Second operand has 10 states, 9 states have (on average 13.777777777777779) internal successors, (124), 10 states have internal predecessors, (124), 5 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 5 states have call predecessors, (19), 5 states have call successors, (19) [2025-01-10 01:59:17,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2025-01-10 01:59:18,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:59:18,160 INFO L93 Difference]: Finished difference Result 1099 states and 1647 transitions. [2025-01-10 01:59:18,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-10 01:59:18,161 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 13.777777777777779) internal successors, (124), 10 states have internal predecessors, (124), 5 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 5 states have call predecessors, (19), 5 states have call successors, (19) Word has length 110 [2025-01-10 01:59:18,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:59:18,164 INFO L225 Difference]: With dead ends: 1099 [2025-01-10 01:59:18,164 INFO L226 Difference]: Without dead ends: 1098 [2025-01-10 01:59:18,164 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=96, Invalid=210, Unknown=0, NotChecked=0, Total=306 [2025-01-10 01:59:18,164 INFO L435 NwaCegarLoop]: 161 mSDtfsCounter, 580 mSDsluCounter, 512 mSDsCounter, 0 mSdLazyCounter, 751 mSolverCounterSat, 29 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 581 SdHoareTripleChecker+Valid, 673 SdHoareTripleChecker+Invalid, 781 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 751 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2025-01-10 01:59:18,164 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [581 Valid, 673 Invalid, 781 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 751 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2025-01-10 01:59:18,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1098 states. [2025-01-10 01:59:18,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1098 to 851. [2025-01-10 01:59:18,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 851 states, 723 states have (on average 1.6721991701244814) internal successors, (1209), 781 states have internal predecessors, (1209), 67 states have call successors, (67), 2 states have call predecessors, (67), 2 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2025-01-10 01:59:18,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 851 states to 851 states and 1343 transitions. [2025-01-10 01:59:18,193 INFO L78 Accepts]: Start accepts. Automaton has 851 states and 1343 transitions. Word has length 110 [2025-01-10 01:59:18,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:59:18,193 INFO L471 AbstractCegarLoop]: Abstraction has 851 states and 1343 transitions. [2025-01-10 01:59:18,193 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 13.777777777777779) internal successors, (124), 10 states have internal predecessors, (124), 5 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 5 states have call predecessors, (19), 5 states have call successors, (19) [2025-01-10 01:59:18,193 INFO L276 IsEmpty]: Start isEmpty. Operand 851 states and 1343 transitions. [2025-01-10 01:59:18,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2025-01-10 01:59:18,194 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:59:18,194 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:59:18,200 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2025-01-10 01:59:18,394 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37,34 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:59:18,395 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-01-10 01:59:18,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:59:18,395 INFO L85 PathProgramCache]: Analyzing trace with hash 831177603, now seen corresponding path program 1 times [2025-01-10 01:59:18,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:59:18,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986883163] [2025-01-10 01:59:18,395 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:59:18,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:59:18,399 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 116 statements into 1 equivalence classes. [2025-01-10 01:59:18,405 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 116 of 116 statements. [2025-01-10 01:59:18,405 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:59:18,405 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:59:18,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [552509613] [2025-01-10 01:59:18,406 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:59:18,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:59:18,406 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:59:18,408 INFO L229 MonitoredProcess]: Starting monitored process 35 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 01:59:18,409 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2025-01-10 01:59:18,434 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 116 statements into 1 equivalence classes. [2025-01-10 01:59:18,453 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 116 of 116 statements. [2025-01-10 01:59:18,454 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:59:18,454 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:59:18,455 INFO L256 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-01-10 01:59:18,456 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:59:18,888 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 6 proven. 25 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2025-01-10 01:59:18,888 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:59:19,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:59:19,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986883163] [2025-01-10 01:59:19,027 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:59:19,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [552509613] [2025-01-10 01:59:19,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [552509613] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:59:19,027 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:59:19,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-01-10 01:59:19,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50413160] [2025-01-10 01:59:19,028 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:59:19,028 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-01-10 01:59:19,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:59:19,028 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-01-10 01:59:19,028 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2025-01-10 01:59:19,029 INFO L87 Difference]: Start difference. First operand 851 states and 1343 transitions. Second operand has 12 states, 10 states have (on average 7.0) internal successors, (70), 10 states have internal predecessors, (70), 6 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) [2025-01-10 01:59:19,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:59:19,866 INFO L93 Difference]: Finished difference Result 937 states and 1449 transitions. [2025-01-10 01:59:19,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-10 01:59:19,866 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 7.0) internal successors, (70), 10 states have internal predecessors, (70), 6 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) Word has length 116 [2025-01-10 01:59:19,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:59:19,869 INFO L225 Difference]: With dead ends: 937 [2025-01-10 01:59:19,869 INFO L226 Difference]: Without dead ends: 934 [2025-01-10 01:59:19,869 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=126, Invalid=426, Unknown=0, NotChecked=0, Total=552 [2025-01-10 01:59:19,869 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 426 mSDsluCounter, 379 mSDsCounter, 0 mSdLazyCounter, 1314 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 431 SdHoareTripleChecker+Valid, 449 SdHoareTripleChecker+Invalid, 1342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-01-10 01:59:19,869 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [431 Valid, 449 Invalid, 1342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1314 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-01-10 01:59:19,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 934 states. [2025-01-10 01:59:19,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 934 to 900. [2025-01-10 01:59:19,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 900 states, 768 states have (on average 1.67578125) internal successors, (1287), 826 states have internal predecessors, (1287), 71 states have call successors, (71), 2 states have call predecessors, (71), 2 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2025-01-10 01:59:19,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 900 states and 1429 transitions. [2025-01-10 01:59:19,899 INFO L78 Accepts]: Start accepts. Automaton has 900 states and 1429 transitions. Word has length 116 [2025-01-10 01:59:19,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:59:19,899 INFO L471 AbstractCegarLoop]: Abstraction has 900 states and 1429 transitions. [2025-01-10 01:59:19,899 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 7.0) internal successors, (70), 10 states have internal predecessors, (70), 6 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) [2025-01-10 01:59:19,899 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1429 transitions. [2025-01-10 01:59:19,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2025-01-10 01:59:19,899 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:59:19,900 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:59:19,909 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2025-01-10 01:59:20,104 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2025-01-10 01:59:20,104 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-01-10 01:59:20,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:59:20,104 INFO L85 PathProgramCache]: Analyzing trace with hash -3298011, now seen corresponding path program 1 times [2025-01-10 01:59:20,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:59:20,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573944835] [2025-01-10 01:59:20,105 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:59:20,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:59:20,109 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 117 statements into 1 equivalence classes. [2025-01-10 01:59:20,116 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 117 of 117 statements. [2025-01-10 01:59:20,117 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:59:20,117 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:59:20,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [83784210] [2025-01-10 01:59:20,121 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:59:20,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:59:20,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:59:20,125 INFO L229 MonitoredProcess]: Starting monitored process 36 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 01:59:20,126 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2025-01-10 01:59:20,153 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 117 statements into 1 equivalence classes. [2025-01-10 01:59:20,173 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 117 of 117 statements. [2025-01-10 01:59:20,173 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:59:20,173 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:59:20,177 INFO L256 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-01-10 01:59:20,179 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:59:20,617 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 6 proven. 26 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2025-01-10 01:59:20,617 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:59:20,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:59:20,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573944835] [2025-01-10 01:59:20,956 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:59:20,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [83784210] [2025-01-10 01:59:20,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [83784210] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:59:20,956 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:59:20,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-01-10 01:59:20,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031227362] [2025-01-10 01:59:20,956 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:59:20,956 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-01-10 01:59:20,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:59:20,957 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-01-10 01:59:20,957 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2025-01-10 01:59:20,957 INFO L87 Difference]: Start difference. First operand 900 states and 1429 transitions. Second operand has 12 states, 10 states have (on average 7.1) internal successors, (71), 10 states have internal predecessors, (71), 6 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) [2025-01-10 01:59:21,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:59:21,751 INFO L93 Difference]: Finished difference Result 935 states and 1445 transitions. [2025-01-10 01:59:21,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-10 01:59:21,752 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 7.1) internal successors, (71), 10 states have internal predecessors, (71), 6 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) Word has length 117 [2025-01-10 01:59:21,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:59:21,754 INFO L225 Difference]: With dead ends: 935 [2025-01-10 01:59:21,754 INFO L226 Difference]: Without dead ends: 934 [2025-01-10 01:59:21,754 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=126, Invalid=426, Unknown=0, NotChecked=0, Total=552 [2025-01-10 01:59:21,755 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 621 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 1191 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 626 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 1229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-01-10 01:59:21,755 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [626 Valid, 362 Invalid, 1229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1191 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-01-10 01:59:21,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 934 states. [2025-01-10 01:59:21,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 934 to 900. [2025-01-10 01:59:21,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 900 states, 768 states have (on average 1.6731770833333333) internal successors, (1285), 826 states have internal predecessors, (1285), 71 states have call successors, (71), 2 states have call predecessors, (71), 2 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2025-01-10 01:59:21,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 900 states and 1427 transitions. [2025-01-10 01:59:21,782 INFO L78 Accepts]: Start accepts. Automaton has 900 states and 1427 transitions. Word has length 117 [2025-01-10 01:59:21,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:59:21,783 INFO L471 AbstractCegarLoop]: Abstraction has 900 states and 1427 transitions. [2025-01-10 01:59:21,783 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 7.1) internal successors, (71), 10 states have internal predecessors, (71), 6 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) [2025-01-10 01:59:21,783 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1427 transitions. [2025-01-10 01:59:21,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2025-01-10 01:59:21,783 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:59:21,783 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:59:21,789 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Ended with exit code 0 [2025-01-10 01:59:21,988 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2025-01-10 01:59:21,988 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-01-10 01:59:21,988 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:59:21,988 INFO L85 PathProgramCache]: Analyzing trace with hash -102238267, now seen corresponding path program 1 times [2025-01-10 01:59:21,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:59:21,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403741564] [2025-01-10 01:59:21,989 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:59:21,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:59:21,996 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 118 statements into 1 equivalence classes. [2025-01-10 01:59:22,005 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 118 of 118 statements. [2025-01-10 01:59:22,008 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:59:22,008 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:59:22,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [87362747] [2025-01-10 01:59:22,009 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:59:22,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:59:22,009 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:59:22,014 INFO L229 MonitoredProcess]: Starting monitored process 37 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 01:59:22,016 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2025-01-10 01:59:22,051 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 118 statements into 1 equivalence classes. [2025-01-10 01:59:22,072 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 118 of 118 statements. [2025-01-10 01:59:22,072 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:59:22,072 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:59:22,073 INFO L256 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-01-10 01:59:22,074 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:59:22,388 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 3 proven. 30 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2025-01-10 01:59:22,388 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:59:22,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:59:22,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403741564] [2025-01-10 01:59:22,468 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:59:22,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [87362747] [2025-01-10 01:59:22,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [87362747] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:59:22,468 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:59:22,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-01-10 01:59:22,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831639992] [2025-01-10 01:59:22,468 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:59:22,469 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-10 01:59:22,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:59:22,469 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-10 01:59:22,470 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2025-01-10 01:59:22,470 INFO L87 Difference]: Start difference. First operand 900 states and 1427 transitions. Second operand has 8 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) [2025-01-10 01:59:22,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:59:22,856 INFO L93 Difference]: Finished difference Result 1041 states and 1629 transitions. [2025-01-10 01:59:22,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-10 01:59:22,860 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) Word has length 118 [2025-01-10 01:59:22,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:59:22,862 INFO L225 Difference]: With dead ends: 1041 [2025-01-10 01:59:22,862 INFO L226 Difference]: Without dead ends: 1039 [2025-01-10 01:59:22,862 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2025-01-10 01:59:22,863 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 323 mSDsluCounter, 346 mSDsCounter, 0 mSdLazyCounter, 364 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 332 SdHoareTripleChecker+Valid, 443 SdHoareTripleChecker+Invalid, 376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 01:59:22,863 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [332 Valid, 443 Invalid, 376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 364 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 01:59:22,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1039 states. [2025-01-10 01:59:22,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1039 to 1000. [2025-01-10 01:59:22,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1000 states, 859 states have (on average 1.6891734575087312) internal successors, (1451), 917 states have internal predecessors, (1451), 80 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2025-01-10 01:59:22,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1000 states to 1000 states and 1611 transitions. [2025-01-10 01:59:22,896 INFO L78 Accepts]: Start accepts. Automaton has 1000 states and 1611 transitions. Word has length 118 [2025-01-10 01:59:22,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:59:22,896 INFO L471 AbstractCegarLoop]: Abstraction has 1000 states and 1611 transitions. [2025-01-10 01:59:22,897 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) [2025-01-10 01:59:22,897 INFO L276 IsEmpty]: Start isEmpty. Operand 1000 states and 1611 transitions. [2025-01-10 01:59:22,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2025-01-10 01:59:22,897 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:59:22,897 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:59:22,903 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2025-01-10 01:59:23,101 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,37 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:59:23,101 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-01-10 01:59:23,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:59:23,102 INFO L85 PathProgramCache]: Analyzing trace with hash 1125581095, now seen corresponding path program 1 times [2025-01-10 01:59:23,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:59:23,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553174986] [2025-01-10 01:59:23,102 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:59:23,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:59:23,106 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 119 statements into 1 equivalence classes. [2025-01-10 01:59:23,111 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 119 of 119 statements. [2025-01-10 01:59:23,111 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:59:23,111 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:59:23,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1982964116] [2025-01-10 01:59:23,111 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:59:23,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:59:23,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:59:23,116 INFO L229 MonitoredProcess]: Starting monitored process 38 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 01:59:23,117 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2025-01-10 01:59:23,145 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 119 statements into 1 equivalence classes. [2025-01-10 01:59:23,165 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 119 of 119 statements. [2025-01-10 01:59:23,165 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:59:23,165 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:59:23,168 INFO L256 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-01-10 01:59:23,170 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:59:23,424 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 3 proven. 31 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2025-01-10 01:59:23,424 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:59:23,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:59:23,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553174986] [2025-01-10 01:59:23,608 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:59:23,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1982964116] [2025-01-10 01:59:23,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1982964116] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:59:23,608 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:59:23,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-01-10 01:59:23,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706327380] [2025-01-10 01:59:23,608 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:59:23,609 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-10 01:59:23,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:59:23,609 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-10 01:59:23,609 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2025-01-10 01:59:23,609 INFO L87 Difference]: Start difference. First operand 1000 states and 1611 transitions. Second operand has 8 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 states have internal predecessors, (73), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) [2025-01-10 01:59:23,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:59:23,965 INFO L93 Difference]: Finished difference Result 1041 states and 1624 transitions. [2025-01-10 01:59:23,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-10 01:59:23,965 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 states have internal predecessors, (73), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) Word has length 119 [2025-01-10 01:59:23,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:59:23,968 INFO L225 Difference]: With dead ends: 1041 [2025-01-10 01:59:23,968 INFO L226 Difference]: Without dead ends: 1039 [2025-01-10 01:59:23,968 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2025-01-10 01:59:23,969 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 256 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 458 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 557 SdHoareTripleChecker+Invalid, 463 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 458 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 01:59:23,969 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [265 Valid, 557 Invalid, 463 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 458 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 01:59:23,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1039 states. [2025-01-10 01:59:23,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1039 to 1001. [2025-01-10 01:59:23,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1001 states, 860 states have (on average 1.6837209302325582) internal successors, (1448), 918 states have internal predecessors, (1448), 80 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2025-01-10 01:59:24,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1001 states to 1001 states and 1608 transitions. [2025-01-10 01:59:24,001 INFO L78 Accepts]: Start accepts. Automaton has 1001 states and 1608 transitions. Word has length 119 [2025-01-10 01:59:24,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:59:24,001 INFO L471 AbstractCegarLoop]: Abstraction has 1001 states and 1608 transitions. [2025-01-10 01:59:24,001 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 states have internal predecessors, (73), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) [2025-01-10 01:59:24,001 INFO L276 IsEmpty]: Start isEmpty. Operand 1001 states and 1608 transitions. [2025-01-10 01:59:24,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2025-01-10 01:59:24,002 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:59:24,002 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:59:24,008 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Ended with exit code 0 [2025-01-10 01:59:24,206 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,38 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:59:24,206 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-01-10 01:59:24,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:59:24,207 INFO L85 PathProgramCache]: Analyzing trace with hash 533275655, now seen corresponding path program 1 times [2025-01-10 01:59:24,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:59:24,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508139038] [2025-01-10 01:59:24,207 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:59:24,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:59:24,211 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 120 statements into 1 equivalence classes. [2025-01-10 01:59:24,218 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 120 of 120 statements. [2025-01-10 01:59:24,218 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:59:24,218 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:59:24,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1962935066] [2025-01-10 01:59:24,219 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:59:24,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:59:24,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:59:24,221 INFO L229 MonitoredProcess]: Starting monitored process 39 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 01:59:24,222 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2025-01-10 01:59:24,247 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 120 statements into 1 equivalence classes. [2025-01-10 01:59:24,267 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 120 of 120 statements. [2025-01-10 01:59:24,267 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:59:24,267 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:59:24,268 INFO L256 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-01-10 01:59:24,269 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:59:24,621 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 6 proven. 20 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2025-01-10 01:59:24,621 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:59:24,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:59:24,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508139038] [2025-01-10 01:59:24,683 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:59:24,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1962935066] [2025-01-10 01:59:24,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1962935066] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:59:24,684 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:59:24,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-01-10 01:59:24,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575985147] [2025-01-10 01:59:24,684 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:59:24,684 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-01-10 01:59:24,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:59:24,684 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-01-10 01:59:24,684 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2025-01-10 01:59:24,684 INFO L87 Difference]: Start difference. First operand 1001 states and 1608 transitions. Second operand has 12 states, 11 states have (on average 6.7272727272727275) internal successors, (74), 11 states have internal predecessors, (74), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2025-01-10 01:59:25,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:59:25,521 INFO L93 Difference]: Finished difference Result 1028 states and 1624 transitions. [2025-01-10 01:59:25,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-10 01:59:25,522 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.7272727272727275) internal successors, (74), 11 states have internal predecessors, (74), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) Word has length 120 [2025-01-10 01:59:25,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:59:25,525 INFO L225 Difference]: With dead ends: 1028 [2025-01-10 01:59:25,525 INFO L226 Difference]: Without dead ends: 1027 [2025-01-10 01:59:25,525 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2025-01-10 01:59:25,526 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 408 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 1203 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 418 SdHoareTripleChecker+Valid, 413 SdHoareTripleChecker+Invalid, 1221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-01-10 01:59:25,526 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [418 Valid, 413 Invalid, 1221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 1203 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-01-10 01:59:25,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1027 states. [2025-01-10 01:59:25,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1027 to 1001. [2025-01-10 01:59:25,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1001 states, 860 states have (on average 1.6813953488372093) internal successors, (1446), 918 states have internal predecessors, (1446), 80 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2025-01-10 01:59:25,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1001 states to 1001 states and 1606 transitions. [2025-01-10 01:59:25,557 INFO L78 Accepts]: Start accepts. Automaton has 1001 states and 1606 transitions. Word has length 120 [2025-01-10 01:59:25,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:59:25,558 INFO L471 AbstractCegarLoop]: Abstraction has 1001 states and 1606 transitions. [2025-01-10 01:59:25,558 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.7272727272727275) internal successors, (74), 11 states have internal predecessors, (74), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2025-01-10 01:59:25,558 INFO L276 IsEmpty]: Start isEmpty. Operand 1001 states and 1606 transitions. [2025-01-10 01:59:25,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2025-01-10 01:59:25,558 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:59:25,558 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:59:25,564 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Forceful destruction successful, exit code 0 [2025-01-10 01:59:25,759 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2025-01-10 01:59:25,759 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-01-10 01:59:25,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:59:25,760 INFO L85 PathProgramCache]: Analyzing trace with hash -648323799, now seen corresponding path program 1 times [2025-01-10 01:59:25,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:59:25,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560442569] [2025-01-10 01:59:25,760 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:59:25,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:59:25,764 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 121 statements into 1 equivalence classes. [2025-01-10 01:59:25,769 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 121 of 121 statements. [2025-01-10 01:59:25,769 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:59:25,769 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:59:25,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [572024469] [2025-01-10 01:59:25,769 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:59:25,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:59:25,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:59:25,771 INFO L229 MonitoredProcess]: Starting monitored process 40 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 01:59:25,773 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2025-01-10 01:59:25,802 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 121 statements into 1 equivalence classes. [2025-01-10 01:59:25,826 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 121 of 121 statements. [2025-01-10 01:59:25,826 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:59:25,826 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:59:25,829 INFO L256 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-01-10 01:59:25,830 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:59:26,173 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2025-01-10 01:59:26,173 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:59:26,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:59:26,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560442569] [2025-01-10 01:59:26,209 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:59:26,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [572024469] [2025-01-10 01:59:26,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [572024469] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:59:26,209 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:59:26,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-01-10 01:59:26,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205701912] [2025-01-10 01:59:26,210 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:59:26,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-10 01:59:26,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:59:26,210 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-10 01:59:26,210 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2025-01-10 01:59:26,211 INFO L87 Difference]: Start difference. First operand 1001 states and 1606 transitions. Second operand has 8 states, 7 states have (on average 10.714285714285714) internal successors, (75), 7 states have internal predecessors, (75), 4 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2025-01-10 01:59:26,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:59:26,687 INFO L93 Difference]: Finished difference Result 1043 states and 1617 transitions. [2025-01-10 01:59:26,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-10 01:59:26,688 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.714285714285714) internal successors, (75), 7 states have internal predecessors, (75), 4 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) Word has length 121 [2025-01-10 01:59:26,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:59:26,690 INFO L225 Difference]: With dead ends: 1043 [2025-01-10 01:59:26,690 INFO L226 Difference]: Without dead ends: 1028 [2025-01-10 01:59:26,691 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2025-01-10 01:59:26,691 INFO L435 NwaCegarLoop]: 104 mSDtfsCounter, 250 mSDsluCounter, 361 mSDsCounter, 0 mSdLazyCounter, 656 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 259 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 667 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 656 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-10 01:59:26,691 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [259 Valid, 465 Invalid, 667 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 656 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-10 01:59:26,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1028 states. [2025-01-10 01:59:26,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1028 to 998. [2025-01-10 01:59:26,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 998 states, 858 states have (on average 1.67016317016317) internal successors, (1433), 916 states have internal predecessors, (1433), 79 states have call successors, (79), 2 states have call predecessors, (79), 2 states have return successors, (79), 79 states have call predecessors, (79), 79 states have call successors, (79) [2025-01-10 01:59:26,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 998 states to 998 states and 1591 transitions. [2025-01-10 01:59:26,722 INFO L78 Accepts]: Start accepts. Automaton has 998 states and 1591 transitions. Word has length 121 [2025-01-10 01:59:26,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:59:26,722 INFO L471 AbstractCegarLoop]: Abstraction has 998 states and 1591 transitions. [2025-01-10 01:59:26,723 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.714285714285714) internal successors, (75), 7 states have internal predecessors, (75), 4 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2025-01-10 01:59:26,723 INFO L276 IsEmpty]: Start isEmpty. Operand 998 states and 1591 transitions. [2025-01-10 01:59:26,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2025-01-10 01:59:26,723 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:59:26,723 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:59:26,729 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Forceful destruction successful, exit code 0 [2025-01-10 01:59:26,923 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,40 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:59:26,924 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-01-10 01:59:26,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:59:26,924 INFO L85 PathProgramCache]: Analyzing trace with hash -466682697, now seen corresponding path program 1 times [2025-01-10 01:59:26,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:59:26,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823404146] [2025-01-10 01:59:26,924 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:59:26,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:59:26,928 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 127 statements into 1 equivalence classes. [2025-01-10 01:59:26,935 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 127 of 127 statements. [2025-01-10 01:59:26,935 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:59:26,935 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:59:26,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [924587609] [2025-01-10 01:59:26,936 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:59:26,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:59:26,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:59:26,938 INFO L229 MonitoredProcess]: Starting monitored process 41 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 01:59:26,941 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2025-01-10 01:59:26,967 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 127 statements into 1 equivalence classes. [2025-01-10 01:59:26,986 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 127 of 127 statements. [2025-01-10 01:59:26,986 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:59:26,986 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:59:26,987 INFO L256 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-01-10 01:59:26,988 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:59:27,428 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 6 proven. 32 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2025-01-10 01:59:27,428 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:59:35,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:59:35,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823404146] [2025-01-10 01:59:35,587 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:59:35,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [924587609] [2025-01-10 01:59:35,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [924587609] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:59:35,587 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:59:35,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2025-01-10 01:59:35,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355258416] [2025-01-10 01:59:35,587 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:59:35,587 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-01-10 01:59:35,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:59:35,588 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-01-10 01:59:35,588 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=167, Unknown=2, NotChecked=0, Total=210 [2025-01-10 01:59:35,588 INFO L87 Difference]: Start difference. First operand 998 states and 1591 transitions. Second operand has 11 states, 9 states have (on average 8.444444444444445) internal successors, (76), 9 states have internal predecessors, (76), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2025-01-10 01:59:36,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:59:36,357 INFO L93 Difference]: Finished difference Result 1022 states and 1607 transitions. [2025-01-10 01:59:36,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-10 01:59:36,358 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 8.444444444444445) internal successors, (76), 9 states have internal predecessors, (76), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) Word has length 127 [2025-01-10 01:59:36,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:59:36,360 INFO L225 Difference]: With dead ends: 1022 [2025-01-10 01:59:36,360 INFO L226 Difference]: Without dead ends: 1020 [2025-01-10 01:59:36,361 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 8.2s TimeCoverageRelationStatistics Valid=84, Invalid=294, Unknown=2, NotChecked=0, Total=380 [2025-01-10 01:59:36,361 INFO L435 NwaCegarLoop]: 68 mSDtfsCounter, 395 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 1280 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 400 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 1305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-01-10 01:59:36,361 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [400 Valid, 466 Invalid, 1305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1280 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-01-10 01:59:36,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1020 states. [2025-01-10 01:59:36,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1020 to 998. [2025-01-10 01:59:36,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 998 states, 858 states have (on average 1.6655011655011656) internal successors, (1429), 916 states have internal predecessors, (1429), 79 states have call successors, (79), 2 states have call predecessors, (79), 2 states have return successors, (79), 79 states have call predecessors, (79), 79 states have call successors, (79) [2025-01-10 01:59:36,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 998 states to 998 states and 1587 transitions. [2025-01-10 01:59:36,393 INFO L78 Accepts]: Start accepts. Automaton has 998 states and 1587 transitions. Word has length 127 [2025-01-10 01:59:36,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:59:36,393 INFO L471 AbstractCegarLoop]: Abstraction has 998 states and 1587 transitions. [2025-01-10 01:59:36,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 8.444444444444445) internal successors, (76), 9 states have internal predecessors, (76), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2025-01-10 01:59:36,393 INFO L276 IsEmpty]: Start isEmpty. Operand 998 states and 1587 transitions. [2025-01-10 01:59:36,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2025-01-10 01:59:36,394 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:59:36,394 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:59:36,400 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Forceful destruction successful, exit code 0 [2025-01-10 01:59:36,594 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2025-01-10 01:59:36,595 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-01-10 01:59:36,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:59:36,595 INFO L85 PathProgramCache]: Analyzing trace with hash -1582261634, now seen corresponding path program 1 times [2025-01-10 01:59:36,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:59:36,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929534337] [2025-01-10 01:59:36,595 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:59:36,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:59:36,599 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 128 statements into 1 equivalence classes. [2025-01-10 01:59:36,608 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 128 of 128 statements. [2025-01-10 01:59:36,609 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:59:36,609 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:59:36,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [538987018] [2025-01-10 01:59:36,609 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:59:36,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:59:36,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:59:36,614 INFO L229 MonitoredProcess]: Starting monitored process 42 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 01:59:36,615 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2025-01-10 01:59:36,644 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 128 statements into 1 equivalence classes. [2025-01-10 01:59:36,665 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 128 of 128 statements. [2025-01-10 01:59:36,666 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:59:36,666 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:59:36,667 INFO L256 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-01-10 01:59:36,668 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:59:37,103 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 6 proven. 33 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2025-01-10 01:59:37,104 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:59:45,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:59:45,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929534337] [2025-01-10 01:59:45,811 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:59:45,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [538987018] [2025-01-10 01:59:45,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [538987018] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:59:45,811 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:59:45,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2025-01-10 01:59:45,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453764933] [2025-01-10 01:59:45,811 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:59:45,811 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-01-10 01:59:45,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:59:45,811 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-01-10 01:59:45,811 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=168, Unknown=2, NotChecked=0, Total=210 [2025-01-10 01:59:45,811 INFO L87 Difference]: Start difference. First operand 998 states and 1587 transitions. Second operand has 11 states, 9 states have (on average 8.555555555555555) internal successors, (77), 9 states have internal predecessors, (77), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2025-01-10 01:59:46,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:59:46,500 INFO L93 Difference]: Finished difference Result 1022 states and 1603 transitions. [2025-01-10 01:59:46,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-10 01:59:46,500 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 8.555555555555555) internal successors, (77), 9 states have internal predecessors, (77), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) Word has length 128 [2025-01-10 01:59:46,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:59:46,503 INFO L225 Difference]: With dead ends: 1022 [2025-01-10 01:59:46,503 INFO L226 Difference]: Without dead ends: 1020 [2025-01-10 01:59:46,503 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 8.6s TimeCoverageRelationStatistics Valid=87, Invalid=291, Unknown=2, NotChecked=0, Total=380 [2025-01-10 01:59:46,503 INFO L435 NwaCegarLoop]: 68 mSDtfsCounter, 395 mSDsluCounter, 366 mSDsCounter, 0 mSdLazyCounter, 1136 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 400 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 1162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 1136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-01-10 01:59:46,503 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [400 Valid, 434 Invalid, 1162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 1136 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-01-10 01:59:46,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1020 states. [2025-01-10 01:59:46,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1020 to 998. [2025-01-10 01:59:46,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 998 states, 858 states have (on average 1.6608391608391608) internal successors, (1425), 916 states have internal predecessors, (1425), 79 states have call successors, (79), 2 states have call predecessors, (79), 2 states have return successors, (79), 79 states have call predecessors, (79), 79 states have call successors, (79) [2025-01-10 01:59:46,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 998 states to 998 states and 1583 transitions. [2025-01-10 01:59:46,542 INFO L78 Accepts]: Start accepts. Automaton has 998 states and 1583 transitions. Word has length 128 [2025-01-10 01:59:46,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:59:46,543 INFO L471 AbstractCegarLoop]: Abstraction has 998 states and 1583 transitions. [2025-01-10 01:59:46,543 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 8.555555555555555) internal successors, (77), 9 states have internal predecessors, (77), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2025-01-10 01:59:46,543 INFO L276 IsEmpty]: Start isEmpty. Operand 998 states and 1583 transitions. [2025-01-10 01:59:46,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2025-01-10 01:59:46,543 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:59:46,543 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:59:46,549 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Ended with exit code 0 [2025-01-10 01:59:46,744 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2025-01-10 01:59:46,744 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-01-10 01:59:46,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:59:46,744 INFO L85 PathProgramCache]: Analyzing trace with hash -1805470311, now seen corresponding path program 1 times [2025-01-10 01:59:46,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:59:46,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937374253] [2025-01-10 01:59:46,745 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:59:46,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:59:46,748 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 129 statements into 1 equivalence classes. [2025-01-10 01:59:46,753 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 129 of 129 statements. [2025-01-10 01:59:46,753 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:59:46,753 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:59:46,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2043803191] [2025-01-10 01:59:46,754 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:59:46,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:59:46,754 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:59:46,758 INFO L229 MonitoredProcess]: Starting monitored process 43 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 01:59:46,759 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2025-01-10 01:59:46,785 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 129 statements into 1 equivalence classes. [2025-01-10 01:59:46,805 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 129 of 129 statements. [2025-01-10 01:59:46,805 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:59:46,805 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:59:46,806 INFO L256 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-01-10 01:59:46,807 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:59:47,343 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 6 proven. 34 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2025-01-10 01:59:47,343 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:59:51,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:59:51,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937374253] [2025-01-10 01:59:51,567 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:59:51,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2043803191] [2025-01-10 01:59:51,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2043803191] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:59:51,567 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:59:51,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2025-01-10 01:59:51,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230062856] [2025-01-10 01:59:51,567 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:59:51,567 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-01-10 01:59:51,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:59:51,567 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-01-10 01:59:51,568 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=281, Unknown=1, NotChecked=0, Total=342 [2025-01-10 01:59:51,568 INFO L87 Difference]: Start difference. First operand 998 states and 1583 transitions. Second operand has 13 states, 11 states have (on average 7.090909090909091) internal successors, (78), 11 states have internal predecessors, (78), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2025-01-10 01:59:52,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:59:52,453 INFO L93 Difference]: Finished difference Result 1030 states and 1613 transitions. [2025-01-10 01:59:52,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-10 01:59:52,453 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 7.090909090909091) internal successors, (78), 11 states have internal predecessors, (78), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) Word has length 129 [2025-01-10 01:59:52,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:59:52,456 INFO L225 Difference]: With dead ends: 1030 [2025-01-10 01:59:52,456 INFO L226 Difference]: Without dead ends: 1028 [2025-01-10 01:59:52,456 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=117, Invalid=532, Unknown=1, NotChecked=0, Total=650 [2025-01-10 01:59:52,457 INFO L435 NwaCegarLoop]: 62 mSDtfsCounter, 536 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 1497 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 541 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 1531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 1497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-01-10 01:59:52,457 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [541 Valid, 337 Invalid, 1531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 1497 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-01-10 01:59:52,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1028 states. [2025-01-10 01:59:52,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1028 to 998. [2025-01-10 01:59:52,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 998 states, 858 states have (on average 1.656177156177156) internal successors, (1421), 916 states have internal predecessors, (1421), 79 states have call successors, (79), 2 states have call predecessors, (79), 2 states have return successors, (79), 79 states have call predecessors, (79), 79 states have call successors, (79) [2025-01-10 01:59:52,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 998 states to 998 states and 1579 transitions. [2025-01-10 01:59:52,488 INFO L78 Accepts]: Start accepts. Automaton has 998 states and 1579 transitions. Word has length 129 [2025-01-10 01:59:52,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:59:52,489 INFO L471 AbstractCegarLoop]: Abstraction has 998 states and 1579 transitions. [2025-01-10 01:59:52,489 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 7.090909090909091) internal successors, (78), 11 states have internal predecessors, (78), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2025-01-10 01:59:52,489 INFO L276 IsEmpty]: Start isEmpty. Operand 998 states and 1579 transitions. [2025-01-10 01:59:52,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2025-01-10 01:59:52,489 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:59:52,489 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:59:52,496 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Forceful destruction successful, exit code 0 [2025-01-10 01:59:52,690 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2025-01-10 01:59:52,690 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-01-10 01:59:52,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:59:52,691 INFO L85 PathProgramCache]: Analyzing trace with hash -135004704, now seen corresponding path program 1 times [2025-01-10 01:59:52,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:59:52,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870246800] [2025-01-10 01:59:52,691 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:59:52,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:59:52,696 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 130 statements into 1 equivalence classes. [2025-01-10 01:59:52,701 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 130 of 130 statements. [2025-01-10 01:59:52,701 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:59:52,701 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:59:52,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [994514789] [2025-01-10 01:59:52,702 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:59:52,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:59:52,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:59:52,707 INFO L229 MonitoredProcess]: Starting monitored process 44 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 01:59:52,709 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2025-01-10 01:59:52,737 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 130 statements into 1 equivalence classes. [2025-01-10 01:59:52,758 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 130 of 130 statements. [2025-01-10 01:59:52,758 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:59:52,758 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:59:52,759 INFO L256 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-01-10 01:59:52,760 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:59:53,329 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 6 proven. 35 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2025-01-10 01:59:53,329 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:59:57,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:59:57,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870246800] [2025-01-10 01:59:57,839 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:59:57,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [994514789] [2025-01-10 01:59:57,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [994514789] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:59:57,839 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:59:57,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2025-01-10 01:59:57,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813859077] [2025-01-10 01:59:57,839 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:59:57,839 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-01-10 01:59:57,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:59:57,840 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-01-10 01:59:57,840 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=281, Unknown=1, NotChecked=0, Total=342 [2025-01-10 01:59:57,841 INFO L87 Difference]: Start difference. First operand 998 states and 1579 transitions. Second operand has 13 states, 11 states have (on average 7.181818181818182) internal successors, (79), 11 states have internal predecessors, (79), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2025-01-10 01:59:58,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:59:58,760 INFO L93 Difference]: Finished difference Result 1030 states and 1609 transitions. [2025-01-10 01:59:58,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-10 01:59:58,761 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 7.181818181818182) internal successors, (79), 11 states have internal predecessors, (79), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) Word has length 130 [2025-01-10 01:59:58,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:59:58,763 INFO L225 Difference]: With dead ends: 1030 [2025-01-10 01:59:58,763 INFO L226 Difference]: Without dead ends: 1028 [2025-01-10 01:59:58,764 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=117, Invalid=532, Unknown=1, NotChecked=0, Total=650 [2025-01-10 01:59:58,764 INFO L435 NwaCegarLoop]: 62 mSDtfsCounter, 589 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 1540 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 594 SdHoareTripleChecker+Valid, 303 SdHoareTripleChecker+Invalid, 1578 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1540 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-01-10 01:59:58,764 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [594 Valid, 303 Invalid, 1578 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1540 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-01-10 01:59:58,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1028 states. [2025-01-10 01:59:58,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1028 to 998. [2025-01-10 01:59:58,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 998 states, 858 states have (on average 1.6515151515151516) internal successors, (1417), 916 states have internal predecessors, (1417), 79 states have call successors, (79), 2 states have call predecessors, (79), 2 states have return successors, (79), 79 states have call predecessors, (79), 79 states have call successors, (79) [2025-01-10 01:59:58,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 998 states to 998 states and 1575 transitions. [2025-01-10 01:59:58,795 INFO L78 Accepts]: Start accepts. Automaton has 998 states and 1575 transitions. Word has length 130 [2025-01-10 01:59:58,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:59:58,795 INFO L471 AbstractCegarLoop]: Abstraction has 998 states and 1575 transitions. [2025-01-10 01:59:58,795 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 7.181818181818182) internal successors, (79), 11 states have internal predecessors, (79), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2025-01-10 01:59:58,796 INFO L276 IsEmpty]: Start isEmpty. Operand 998 states and 1575 transitions. [2025-01-10 01:59:58,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2025-01-10 01:59:58,796 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:59:58,796 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:59:58,802 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Forceful destruction successful, exit code 0 [2025-01-10 01:59:59,001 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47,44 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:59:59,001 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-01-10 01:59:59,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:59:59,002 INFO L85 PathProgramCache]: Analyzing trace with hash 109821563, now seen corresponding path program 1 times [2025-01-10 01:59:59,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:59:59,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854688708] [2025-01-10 01:59:59,002 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:59:59,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:59:59,006 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 131 statements into 1 equivalence classes. [2025-01-10 01:59:59,011 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 131 of 131 statements. [2025-01-10 01:59:59,011 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:59:59,011 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:59:59,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1863739912] [2025-01-10 01:59:59,012 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:59:59,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:59:59,012 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:59:59,014 INFO L229 MonitoredProcess]: Starting monitored process 45 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 01:59:59,018 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2025-01-10 01:59:59,046 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 131 statements into 1 equivalence classes. [2025-01-10 01:59:59,068 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 131 of 131 statements. [2025-01-10 01:59:59,068 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:59:59,068 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:59:59,069 INFO L256 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-01-10 01:59:59,070 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:59:59,797 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2025-01-10 01:59:59,798 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:59:59,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:59:59,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854688708] [2025-01-10 01:59:59,851 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:59:59,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1863739912] [2025-01-10 01:59:59,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1863739912] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:59:59,852 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:59:59,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2025-01-10 01:59:59,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483852169] [2025-01-10 01:59:59,852 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:59:59,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-01-10 01:59:59,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:59:59,852 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-01-10 01:59:59,853 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2025-01-10 01:59:59,853 INFO L87 Difference]: Start difference. First operand 998 states and 1575 transitions. Second operand has 14 states, 12 states have (on average 6.666666666666667) internal successors, (80), 12 states have internal predecessors, (80), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2025-01-10 02:00:00,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:00:00,957 INFO L93 Difference]: Finished difference Result 1029 states and 1605 transitions. [2025-01-10 02:00:00,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-10 02:00:00,958 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 6.666666666666667) internal successors, (80), 12 states have internal predecessors, (80), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) Word has length 131 [2025-01-10 02:00:00,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:00:00,961 INFO L225 Difference]: With dead ends: 1029 [2025-01-10 02:00:00,963 INFO L226 Difference]: Without dead ends: 1028 [2025-01-10 02:00:00,964 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=75, Invalid=267, Unknown=0, NotChecked=0, Total=342 [2025-01-10 02:00:00,967 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 449 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 1704 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 460 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 1723 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1704 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:00:00,968 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [460 Valid, 271 Invalid, 1723 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1704 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-01-10 02:00:00,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1028 states. [2025-01-10 02:00:01,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1028 to 998. [2025-01-10 02:00:01,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 998 states, 858 states have (on average 1.6491841491841492) internal successors, (1415), 916 states have internal predecessors, (1415), 79 states have call successors, (79), 2 states have call predecessors, (79), 2 states have return successors, (79), 79 states have call predecessors, (79), 79 states have call successors, (79) [2025-01-10 02:00:01,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 998 states to 998 states and 1573 transitions. [2025-01-10 02:00:01,008 INFO L78 Accepts]: Start accepts. Automaton has 998 states and 1573 transitions. Word has length 131 [2025-01-10 02:00:01,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:00:01,009 INFO L471 AbstractCegarLoop]: Abstraction has 998 states and 1573 transitions. [2025-01-10 02:00:01,009 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 6.666666666666667) internal successors, (80), 12 states have internal predecessors, (80), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2025-01-10 02:00:01,009 INFO L276 IsEmpty]: Start isEmpty. Operand 998 states and 1573 transitions. [2025-01-10 02:00:01,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2025-01-10 02:00:01,009 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:00:01,009 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:00:01,015 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Forceful destruction successful, exit code 0 [2025-01-10 02:00:01,214 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2025-01-10 02:00:01,214 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-01-10 02:00:01,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:00:01,215 INFO L85 PathProgramCache]: Analyzing trace with hash -890498750, now seen corresponding path program 1 times [2025-01-10 02:00:01,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:00:01,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198602408] [2025-01-10 02:00:01,215 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:01,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:00:01,220 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 132 statements into 1 equivalence classes. [2025-01-10 02:00:01,225 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 132 of 132 statements. [2025-01-10 02:00:01,226 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:01,226 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:00:01,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [279627665] [2025-01-10 02:00:01,227 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:01,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:00:01,227 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:00:01,234 INFO L229 MonitoredProcess]: Starting monitored process 46 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 02:00:01,236 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2025-01-10 02:00:01,273 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 132 statements into 1 equivalence classes. [2025-01-10 02:00:01,295 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 132 of 132 statements. [2025-01-10 02:00:01,295 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:01,295 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:00:01,296 INFO L256 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-01-10 02:00:01,297 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:00:01,484 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2025-01-10 02:00:01,484 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:00:09,688 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2025-01-10 02:00:09,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:00:09,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198602408] [2025-01-10 02:00:09,689 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:00:09,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [279627665] [2025-01-10 02:00:09,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [279627665] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:00:09,689 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 02:00:09,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2025-01-10 02:00:09,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163943452] [2025-01-10 02:00:09,689 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 02:00:09,689 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-10 02:00:09,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:00:09,690 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-10 02:00:09,690 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=38, Unknown=2, NotChecked=0, Total=56 [2025-01-10 02:00:09,690 INFO L87 Difference]: Start difference. First operand 998 states and 1573 transitions. Second operand has 8 states, 7 states have (on average 11.857142857142858) internal successors, (83), 8 states have internal predecessors, (83), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2025-01-10 02:00:11,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:00:11,429 INFO L93 Difference]: Finished difference Result 1798 states and 2827 transitions. [2025-01-10 02:00:11,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-10 02:00:11,429 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 11.857142857142858) internal successors, (83), 8 states have internal predecessors, (83), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 132 [2025-01-10 02:00:11,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:00:11,433 INFO L225 Difference]: With dead ends: 1798 [2025-01-10 02:00:11,433 INFO L226 Difference]: Without dead ends: 1781 [2025-01-10 02:00:11,434 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 254 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 8.1s TimeCoverageRelationStatistics Valid=20, Invalid=50, Unknown=2, NotChecked=0, Total=72 [2025-01-10 02:00:11,434 INFO L435 NwaCegarLoop]: 206 mSDtfsCounter, 217 mSDsluCounter, 683 mSDsCounter, 0 mSdLazyCounter, 870 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 889 SdHoareTripleChecker+Invalid, 889 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 870 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2025-01-10 02:00:11,434 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [226 Valid, 889 Invalid, 889 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 870 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2025-01-10 02:00:11,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1781 states. [2025-01-10 02:00:11,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1781 to 1662. [2025-01-10 02:00:11,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1662 states, 1469 states have (on average 1.6725663716814159) internal successors, (2457), 1527 states have internal predecessors, (2457), 132 states have call successors, (132), 2 states have call predecessors, (132), 2 states have return successors, (132), 132 states have call predecessors, (132), 132 states have call successors, (132) [2025-01-10 02:00:11,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1662 states to 1662 states and 2721 transitions. [2025-01-10 02:00:11,486 INFO L78 Accepts]: Start accepts. Automaton has 1662 states and 2721 transitions. Word has length 132 [2025-01-10 02:00:11,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:00:11,488 INFO L471 AbstractCegarLoop]: Abstraction has 1662 states and 2721 transitions. [2025-01-10 02:00:11,488 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 11.857142857142858) internal successors, (83), 8 states have internal predecessors, (83), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2025-01-10 02:00:11,488 INFO L276 IsEmpty]: Start isEmpty. Operand 1662 states and 2721 transitions. [2025-01-10 02:00:11,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2025-01-10 02:00:11,489 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:00:11,489 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:00:11,495 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Ended with exit code 0 [2025-01-10 02:00:11,689 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2025-01-10 02:00:11,689 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-01-10 02:00:11,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:00:11,690 INFO L85 PathProgramCache]: Analyzing trace with hash 2035166105, now seen corresponding path program 1 times [2025-01-10 02:00:11,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:00:11,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644312229] [2025-01-10 02:00:11,691 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:11,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:00:11,695 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 138 statements into 1 equivalence classes. [2025-01-10 02:00:11,700 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 138 of 138 statements. [2025-01-10 02:00:11,700 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:11,700 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:00:11,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1631237566] [2025-01-10 02:00:11,701 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:11,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:00:11,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:00:11,704 INFO L229 MonitoredProcess]: Starting monitored process 47 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 02:00:11,705 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Waiting until timeout for monitored process [2025-01-10 02:00:11,733 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 138 statements into 1 equivalence classes. [2025-01-10 02:00:11,754 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 138 of 138 statements. [2025-01-10 02:00:11,754 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:11,754 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:00:11,758 INFO L256 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-01-10 02:00:11,759 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:00:12,546 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2025-01-10 02:00:12,546 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:00:16,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:00:16,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644312229] [2025-01-10 02:00:16,747 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:00:16,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1631237566] [2025-01-10 02:00:16,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1631237566] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:00:16,747 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:00:16,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-01-10 02:00:16,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236677969] [2025-01-10 02:00:16,747 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:00:16,748 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-01-10 02:00:16,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:00:16,748 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-01-10 02:00:16,748 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=218, Unknown=1, NotChecked=0, Total=272 [2025-01-10 02:00:16,748 INFO L87 Difference]: Start difference. First operand 1662 states and 2721 transitions. Second operand has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 5 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2025-01-10 02:00:18,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:00:18,375 INFO L93 Difference]: Finished difference Result 1679 states and 2737 transitions. [2025-01-10 02:00:18,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-10 02:00:18,378 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 5 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) Word has length 138 [2025-01-10 02:00:18,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:00:18,384 INFO L225 Difference]: With dead ends: 1679 [2025-01-10 02:00:18,384 INFO L226 Difference]: Without dead ends: 1678 [2025-01-10 02:00:18,385 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=104, Invalid=401, Unknown=1, NotChecked=0, Total=506 [2025-01-10 02:00:18,385 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 478 mSDsluCounter, 543 mSDsCounter, 0 mSdLazyCounter, 1344 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 483 SdHoareTripleChecker+Valid, 622 SdHoareTripleChecker+Invalid, 1380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2025-01-10 02:00:18,385 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [483 Valid, 622 Invalid, 1380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1344 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2025-01-10 02:00:18,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1678 states. [2025-01-10 02:00:18,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1678 to 1662. [2025-01-10 02:00:18,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1662 states, 1469 states have (on average 1.671204901293397) internal successors, (2455), 1527 states have internal predecessors, (2455), 132 states have call successors, (132), 2 states have call predecessors, (132), 2 states have return successors, (132), 132 states have call predecessors, (132), 132 states have call successors, (132) [2025-01-10 02:00:18,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1662 states to 1662 states and 2719 transitions. [2025-01-10 02:00:18,435 INFO L78 Accepts]: Start accepts. Automaton has 1662 states and 2719 transitions. Word has length 138 [2025-01-10 02:00:18,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:00:18,436 INFO L471 AbstractCegarLoop]: Abstraction has 1662 states and 2719 transitions. [2025-01-10 02:00:18,436 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 5 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2025-01-10 02:00:18,437 INFO L276 IsEmpty]: Start isEmpty. Operand 1662 states and 2719 transitions. [2025-01-10 02:00:18,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2025-01-10 02:00:18,437 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:00:18,437 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:00:18,443 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Ended with exit code 0 [2025-01-10 02:00:18,641 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,47 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:00:18,642 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-01-10 02:00:18,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:00:18,642 INFO L85 PathProgramCache]: Analyzing trace with hash -1334360087, now seen corresponding path program 1 times [2025-01-10 02:00:18,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:00:18,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589617926] [2025-01-10 02:00:18,643 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:18,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:00:18,647 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 139 statements into 1 equivalence classes. [2025-01-10 02:00:18,653 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 139 of 139 statements. [2025-01-10 02:00:18,654 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:18,654 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:00:18,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1241783585] [2025-01-10 02:00:18,654 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:18,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:00:18,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:00:18,657 INFO L229 MonitoredProcess]: Starting monitored process 48 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 02:00:18,658 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Waiting until timeout for monitored process [2025-01-10 02:00:18,695 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 139 statements into 1 equivalence classes. [2025-01-10 02:00:18,722 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 139 of 139 statements. [2025-01-10 02:00:18,722 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:18,722 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:00:18,723 INFO L256 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 34 conjuncts are in the unsatisfiable core [2025-01-10 02:00:18,725 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:00:19,812 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 18 proven. 46 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2025-01-10 02:00:19,812 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:00:20,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:00:20,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589617926] [2025-01-10 02:00:20,067 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:00:20,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1241783585] [2025-01-10 02:00:20,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1241783585] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:00:20,068 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:00:20,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2025-01-10 02:00:20,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050152443] [2025-01-10 02:00:20,068 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:00:20,068 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-01-10 02:00:20,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:00:20,070 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-01-10 02:00:20,070 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=237, Unknown=0, NotChecked=0, Total=306 [2025-01-10 02:00:20,070 INFO L87 Difference]: Start difference. First operand 1662 states and 2719 transitions. Second operand has 16 states, 15 states have (on average 5.733333333333333) internal successors, (86), 15 states have internal predecessors, (86), 6 states have call successors, (13), 1 states have call predecessors, (13), 3 states have return successors, (13), 6 states have call predecessors, (13), 6 states have call successors, (13)