./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/array-multidimensional/init-3-u.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/array-multidimensional/init-3-u.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 385b06dfd41f8b2cf291934cb4635d07bfe2a63001fa162165126d7b890c1d72 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-10 01:21:12,553 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-10 01:21:12,644 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-01-10 01:21:12,648 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-10 01:21:12,648 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-10 01:21:12,668 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-10 01:21:12,669 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-10 01:21:12,669 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-10 01:21:12,669 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-10 01:21:12,669 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-10 01:21:12,670 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-10 01:21:12,670 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-10 01:21:12,670 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-10 01:21:12,670 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-10 01:21:12,670 INFO L153 SettingsManager]: * Use SBE=true [2025-01-10 01:21:12,670 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-10 01:21:12,671 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-10 01:21:12,671 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-10 01:21:12,671 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-10 01:21:12,671 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-10 01:21:12,671 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-10 01:21:12,671 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-10 01:21:12,671 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-10 01:21:12,671 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-10 01:21:12,672 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-01-10 01:21:12,672 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-10 01:21:12,672 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-10 01:21:12,672 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-10 01:21:12,672 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-10 01:21:12,672 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-10 01:21:12,672 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-10 01:21:12,672 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 01:21:12,672 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 01:21:12,673 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 01:21:12,673 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 01:21:12,673 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-10 01:21:12,673 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 01:21:12,673 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 01:21:12,673 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 01:21:12,673 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 01:21:12,673 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-10 01:21:12,673 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-10 01:21:12,674 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-10 01:21:12,674 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-10 01:21:12,674 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-10 01:21:12,674 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-10 01:21:12,674 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-10 01:21:12,674 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-10 01:21:12,674 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-10 01:21:12,674 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-10 01:21:12,674 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 -> 385b06dfd41f8b2cf291934cb4635d07bfe2a63001fa162165126d7b890c1d72 [2025-01-10 01:21:12,899 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-10 01:21:12,912 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-10 01:21:12,914 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-10 01:21:12,918 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-10 01:21:12,919 INFO L274 PluginConnector]: CDTParser initialized [2025-01-10 01:21:12,920 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-multidimensional/init-3-u.c [2025-01-10 01:21:14,397 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/adfad80fa/7e7d987551304e349f924f78bfdeda0d/FLAG25693ab9c [2025-01-10 01:21:14,677 INFO L384 CDTParser]: Found 1 translation units. [2025-01-10 01:21:14,678 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/array-multidimensional/init-3-u.c [2025-01-10 01:21:14,695 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/adfad80fa/7e7d987551304e349f924f78bfdeda0d/FLAG25693ab9c [2025-01-10 01:21:14,949 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/adfad80fa/7e7d987551304e349f924f78bfdeda0d [2025-01-10 01:21:14,951 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-10 01:21:14,952 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-10 01:21:14,958 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-10 01:21:14,958 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-10 01:21:14,961 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-10 01:21:14,961 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 01:21:14" (1/1) ... [2025-01-10 01:21:14,967 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@408879ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:21:14, skipping insertion in model container [2025-01-10 01:21:14,968 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 01:21:14" (1/1) ... [2025-01-10 01:21:14,985 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 01:21:15,086 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 01:21:15,092 INFO L200 MainTranslator]: Completed pre-run [2025-01-10 01:21:15,103 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 01:21:15,112 INFO L204 MainTranslator]: Completed translation [2025-01-10 01:21:15,112 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:21:15 WrapperNode [2025-01-10 01:21:15,113 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-10 01:21:15,113 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-10 01:21:15,113 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-10 01:21:15,113 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-10 01:21:15,118 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:21:15" (1/1) ... [2025-01-10 01:21:15,122 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:21:15" (1/1) ... [2025-01-10 01:21:15,135 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2025-01-10 01:21:15,135 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-10 01:21:15,136 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-10 01:21:15,136 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-10 01:21:15,136 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-10 01:21:15,142 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:21:15" (1/1) ... [2025-01-10 01:21:15,142 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:21:15" (1/1) ... [2025-01-10 01:21:15,143 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:21:15" (1/1) ... [2025-01-10 01:21:15,155 INFO L175 MemorySlicer]: Split 4 memory accesses to 2 slices as follows [2, 2]. 50 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 1 writes are split as follows [0, 1]. [2025-01-10 01:21:15,155 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:21:15" (1/1) ... [2025-01-10 01:21:15,155 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:21:15" (1/1) ... [2025-01-10 01:21:15,158 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:21:15" (1/1) ... [2025-01-10 01:21:15,159 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:21:15" (1/1) ... [2025-01-10 01:21:15,161 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:21:15" (1/1) ... [2025-01-10 01:21:15,162 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:21:15" (1/1) ... [2025-01-10 01:21:15,162 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:21:15" (1/1) ... [2025-01-10 01:21:15,163 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-10 01:21:15,164 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-10 01:21:15,164 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-10 01:21:15,164 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-10 01:21:15,165 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:21:15" (1/1) ... [2025-01-10 01:21:15,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 01:21:15,177 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:21:15,188 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 01:21:15,192 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 01:21:15,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-10 01:21:15,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-10 01:21:15,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-10 01:21:15,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-10 01:21:15,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-10 01:21:15,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-10 01:21:15,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-10 01:21:15,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-10 01:21:15,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-10 01:21:15,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-10 01:21:15,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-10 01:21:15,247 INFO L234 CfgBuilder]: Building ICFG [2025-01-10 01:21:15,249 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-10 01:21:15,344 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2025-01-10 01:21:15,345 INFO L283 CfgBuilder]: Performing block encoding [2025-01-10 01:21:15,351 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-10 01:21:15,351 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-10 01:21:15,352 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 01:21:15 BoogieIcfgContainer [2025-01-10 01:21:15,352 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-10 01:21:15,353 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-10 01:21:15,353 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-10 01:21:15,356 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-10 01:21:15,357 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 01:21:14" (1/3) ... [2025-01-10 01:21:15,357 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fb063ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 01:21:15, skipping insertion in model container [2025-01-10 01:21:15,357 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:21:15" (2/3) ... [2025-01-10 01:21:15,357 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fb063ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 01:21:15, skipping insertion in model container [2025-01-10 01:21:15,357 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 01:21:15" (3/3) ... [2025-01-10 01:21:15,358 INFO L128 eAbstractionObserver]: Analyzing ICFG init-3-u.c [2025-01-10 01:21:15,368 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-10 01:21:15,369 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG init-3-u.c that has 1 procedures, 39 locations, 1 initial locations, 6 loop locations, and 12 error locations. [2025-01-10 01:21:15,400 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-10 01:21:15,408 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;@4681e65, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-10 01:21:15,408 INFO L334 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2025-01-10 01:21:15,411 INFO L276 IsEmpty]: Start isEmpty. Operand has 39 states, 26 states have (on average 1.7307692307692308) internal successors, (45), 38 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:21:15,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-01-10 01:21:15,414 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:21:15,414 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-01-10 01:21:15,415 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-01-10 01:21:15,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:21:15,418 INFO L85 PathProgramCache]: Analyzing trace with hash 28695332, now seen corresponding path program 1 times [2025-01-10 01:21:15,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:21:15,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599899789] [2025-01-10 01:21:15,423 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:21:15,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:21:15,474 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-01-10 01:21:15,485 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-01-10 01:21:15,486 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:21:15,486 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:21:15,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:21:15,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:21:15,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599899789] [2025-01-10 01:21:15,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599899789] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:21:15,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:21:15,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 01:21:15,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376847728] [2025-01-10 01:21:15,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:21:15,567 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:21:15,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:21:15,580 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:21:15,580 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:21:15,582 INFO L87 Difference]: Start difference. First operand has 39 states, 26 states have (on average 1.7307692307692308) internal successors, (45), 38 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:21:15,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:21:15,667 INFO L93 Difference]: Finished difference Result 94 states and 115 transitions. [2025-01-10 01:21:15,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:21:15,669 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2025-01-10 01:21:15,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:21:15,674 INFO L225 Difference]: With dead ends: 94 [2025-01-10 01:21:15,677 INFO L226 Difference]: Without dead ends: 52 [2025-01-10 01:21:15,678 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 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 01:21:15,680 INFO L435 NwaCegarLoop]: 27 mSDtfsCounter, 57 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:21:15,683 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 50 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:21:15,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2025-01-10 01:21:15,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 48. [2025-01-10 01:21:15,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 36 states have (on average 1.6388888888888888) internal successors, (59), 47 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:21:15,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 59 transitions. [2025-01-10 01:21:15,718 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 59 transitions. Word has length 5 [2025-01-10 01:21:15,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:21:15,718 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 59 transitions. [2025-01-10 01:21:15,719 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:21:15,719 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 59 transitions. [2025-01-10 01:21:15,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-01-10 01:21:15,719 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:21:15,719 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-01-10 01:21:15,720 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-10 01:21:15,721 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-01-10 01:21:15,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:21:15,721 INFO L85 PathProgramCache]: Analyzing trace with hash 889539528, now seen corresponding path program 1 times [2025-01-10 01:21:15,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:21:15,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906997160] [2025-01-10 01:21:15,722 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:21:15,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:21:15,730 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-01-10 01:21:15,736 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-01-10 01:21:15,737 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:21:15,737 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:21:15,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:21:15,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:21:15,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906997160] [2025-01-10 01:21:15,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906997160] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:21:15,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:21:15,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 01:21:15,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121298761] [2025-01-10 01:21:15,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:21:15,765 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 01:21:15,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:21:15,765 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 01:21:15,765 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:21:15,765 INFO L87 Difference]: Start difference. First operand 48 states and 59 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:21:15,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:21:15,826 INFO L93 Difference]: Finished difference Result 68 states and 87 transitions. [2025-01-10 01:21:15,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 01:21:15,826 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2025-01-10 01:21:15,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:21:15,827 INFO L225 Difference]: With dead ends: 68 [2025-01-10 01:21:15,827 INFO L226 Difference]: Without dead ends: 64 [2025-01-10 01:21:15,827 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 01:21:15,828 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 5 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:21:15,832 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 56 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:21:15,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2025-01-10 01:21:15,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2025-01-10 01:21:15,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 52 states have (on average 1.5192307692307692) internal successors, (79), 63 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:21:15,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 79 transitions. [2025-01-10 01:21:15,842 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 79 transitions. Word has length 6 [2025-01-10 01:21:15,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:21:15,842 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 79 transitions. [2025-01-10 01:21:15,842 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:21:15,842 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 79 transitions. [2025-01-10 01:21:15,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2025-01-10 01:21:15,843 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:21:15,844 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:21:15,844 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-10 01:21:15,844 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-01-10 01:21:15,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:21:15,847 INFO L85 PathProgramCache]: Analyzing trace with hash 329635888, now seen corresponding path program 1 times [2025-01-10 01:21:15,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:21:15,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889456683] [2025-01-10 01:21:15,848 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:21:15,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:21:15,857 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-01-10 01:21:15,868 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-01-10 01:21:15,868 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:21:15,868 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:21:15,942 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:21:15,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:21:15,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889456683] [2025-01-10 01:21:15,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [889456683] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:21:15,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:21:15,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 01:21:15,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896359113] [2025-01-10 01:21:15,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:21:15,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:21:15,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:21:15,947 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:21:15,948 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:21:15,948 INFO L87 Difference]: Start difference. First operand 64 states and 79 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:21:16,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:21:16,037 INFO L93 Difference]: Finished difference Result 126 states and 156 transitions. [2025-01-10 01:21:16,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:21:16,038 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2025-01-10 01:21:16,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:21:16,038 INFO L225 Difference]: With dead ends: 126 [2025-01-10 01:21:16,038 INFO L226 Difference]: Without dead ends: 64 [2025-01-10 01:21:16,039 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 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 01:21:16,039 INFO L435 NwaCegarLoop]: 24 mSDtfsCounter, 49 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:21:16,040 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 43 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:21:16,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2025-01-10 01:21:16,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2025-01-10 01:21:16,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 52 states have (on average 1.4423076923076923) internal successors, (75), 63 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:21:16,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 75 transitions. [2025-01-10 01:21:16,044 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 75 transitions. Word has length 9 [2025-01-10 01:21:16,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:21:16,044 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 75 transitions. [2025-01-10 01:21:16,045 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:21:16,045 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 75 transitions. [2025-01-10 01:21:16,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2025-01-10 01:21:16,045 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:21:16,045 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:21:16,045 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-10 01:21:16,045 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-01-10 01:21:16,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:21:16,045 INFO L85 PathProgramCache]: Analyzing trace with hash 323909866, now seen corresponding path program 1 times [2025-01-10 01:21:16,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:21:16,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57614121] [2025-01-10 01:21:16,046 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:21:16,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:21:16,051 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-01-10 01:21:16,055 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-01-10 01:21:16,055 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:21:16,055 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:21:16,088 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:21:16,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:21:16,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57614121] [2025-01-10 01:21:16,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57614121] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:21:16,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1848969409] [2025-01-10 01:21:16,088 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:21:16,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:21:16,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:21:16,091 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 01:21:16,115 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 01:21:16,149 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-01-10 01:21:16,160 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-01-10 01:21:16,160 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:21:16,160 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:21:16,162 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 01:21:16,165 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:21:16,196 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:21:16,196 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:21:16,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1848969409] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:21:16,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:21:16,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2025-01-10 01:21:16,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323028033] [2025-01-10 01:21:16,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:21:16,196 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:21:16,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:21:16,197 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:21:16,197 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-10 01:21:16,197 INFO L87 Difference]: Start difference. First operand 64 states and 75 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:21:16,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:21:16,224 INFO L93 Difference]: Finished difference Result 64 states and 75 transitions. [2025-01-10 01:21:16,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:21:16,225 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2025-01-10 01:21:16,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:21:16,225 INFO L225 Difference]: With dead ends: 64 [2025-01-10 01:21:16,225 INFO L226 Difference]: Without dead ends: 62 [2025-01-10 01:21:16,225 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 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 01:21:16,226 INFO L435 NwaCegarLoop]: 29 mSDtfsCounter, 9 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:21:16,226 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 54 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:21:16,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2025-01-10 01:21:16,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2025-01-10 01:21:16,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 52 states have (on average 1.3653846153846154) internal successors, (71), 61 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:21:16,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 71 transitions. [2025-01-10 01:21:16,230 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 71 transitions. Word has length 9 [2025-01-10 01:21:16,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:21:16,230 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 71 transitions. [2025-01-10 01:21:16,230 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:21:16,230 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 71 transitions. [2025-01-10 01:21:16,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2025-01-10 01:21:16,231 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:21:16,231 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2025-01-10 01:21:16,238 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-01-10 01:21:16,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:21:16,431 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-01-10 01:21:16,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:21:16,432 INFO L85 PathProgramCache]: Analyzing trace with hash 1451271302, now seen corresponding path program 1 times [2025-01-10 01:21:16,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:21:16,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344199329] [2025-01-10 01:21:16,432 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:21:16,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:21:16,438 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-01-10 01:21:16,441 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-01-10 01:21:16,441 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:21:16,442 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:21:16,469 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:21:16,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:21:16,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344199329] [2025-01-10 01:21:16,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344199329] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:21:16,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [350393807] [2025-01-10 01:21:16,470 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:21:16,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:21:16,470 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:21:16,472 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 01:21:16,473 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 01:21:16,503 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-01-10 01:21:16,511 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-01-10 01:21:16,511 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:21:16,511 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:21:16,512 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 01:21:16,512 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:21:16,528 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:21:16,528 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:21:16,556 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:21:16,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [350393807] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:21:16,556 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:21:16,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2025-01-10 01:21:16,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347120128] [2025-01-10 01:21:16,556 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:21:16,557 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-10 01:21:16,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:21:16,558 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-10 01:21:16,558 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-01-10 01:21:16,559 INFO L87 Difference]: Start difference. First operand 62 states and 71 transitions. Second operand has 7 states, 6 states have (on average 3.5) internal successors, (21), 7 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:21:16,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:21:16,627 INFO L93 Difference]: Finished difference Result 112 states and 143 transitions. [2025-01-10 01:21:16,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 01:21:16,628 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 3.5) internal successors, (21), 7 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2025-01-10 01:21:16,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:21:16,629 INFO L225 Difference]: With dead ends: 112 [2025-01-10 01:21:16,629 INFO L226 Difference]: Without dead ends: 110 [2025-01-10 01:21:16,629 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-01-10 01:21:16,630 INFO L435 NwaCegarLoop]: 29 mSDtfsCounter, 28 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:21:16,630 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 85 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:21:16,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2025-01-10 01:21:16,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2025-01-10 01:21:16,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 100 states have (on average 1.31) internal successors, (131), 109 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:21:16,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 131 transitions. [2025-01-10 01:21:16,642 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 131 transitions. Word has length 10 [2025-01-10 01:21:16,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:21:16,642 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 131 transitions. [2025-01-10 01:21:16,642 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.5) internal successors, (21), 7 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:21:16,643 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 131 transitions. [2025-01-10 01:21:16,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-01-10 01:21:16,643 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:21:16,643 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:21:16,651 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-01-10 01:21:16,849 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:21:16,849 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-01-10 01:21:16,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:21:16,849 INFO L85 PathProgramCache]: Analyzing trace with hash -1186922546, now seen corresponding path program 1 times [2025-01-10 01:21:16,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:21:16,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867395018] [2025-01-10 01:21:16,850 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:21:16,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:21:16,856 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-01-10 01:21:16,863 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-01-10 01:21:16,863 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:21:16,863 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:21:16,892 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-01-10 01:21:16,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:21:16,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867395018] [2025-01-10 01:21:16,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [867395018] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:21:16,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:21:16,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 01:21:16,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933646298] [2025-01-10 01:21:16,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:21:16,893 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 01:21:16,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:21:16,894 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 01:21:16,894 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:21:16,894 INFO L87 Difference]: Start difference. First operand 110 states and 131 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:21:16,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:21:16,934 INFO L93 Difference]: Finished difference Result 218 states and 260 transitions. [2025-01-10 01:21:16,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 01:21:16,936 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2025-01-10 01:21:16,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:21:16,937 INFO L225 Difference]: With dead ends: 218 [2025-01-10 01:21:16,937 INFO L226 Difference]: Without dead ends: 214 [2025-01-10 01:21:16,937 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 01:21:16,937 INFO L435 NwaCegarLoop]: 28 mSDtfsCounter, 19 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:21:16,937 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 51 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:21:16,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2025-01-10 01:21:16,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 208. [2025-01-10 01:21:16,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 198 states have (on average 1.292929292929293) internal successors, (256), 207 states have internal predecessors, (256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:21:16,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 256 transitions. [2025-01-10 01:21:16,959 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 256 transitions. Word has length 12 [2025-01-10 01:21:16,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:21:16,959 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 256 transitions. [2025-01-10 01:21:16,960 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:21:16,960 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 256 transitions. [2025-01-10 01:21:16,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2025-01-10 01:21:16,960 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:21:16,960 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2025-01-10 01:21:16,960 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-01-10 01:21:16,960 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-01-10 01:21:16,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:21:16,960 INFO L85 PathProgramCache]: Analyzing trace with hash 302201172, now seen corresponding path program 1 times [2025-01-10 01:21:16,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:21:16,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658558908] [2025-01-10 01:21:16,961 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:21:16,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:21:16,966 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-01-10 01:21:16,970 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-01-10 01:21:16,970 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:21:16,970 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:21:17,008 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-01-10 01:21:17,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:21:17,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658558908] [2025-01-10 01:21:17,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [658558908] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:21:17,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1389709497] [2025-01-10 01:21:17,008 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:21:17,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:21:17,009 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:21:17,015 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 01:21:17,016 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 01:21:17,059 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-01-10 01:21:17,072 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-01-10 01:21:17,072 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:21:17,072 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:21:17,076 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 01:21:17,077 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:21:17,137 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-01-10 01:21:17,137 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:21:17,183 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-01-10 01:21:17,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1389709497] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:21:17,183 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:21:17,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 5, 5] total 10 [2025-01-10 01:21:17,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411268588] [2025-01-10 01:21:17,183 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:21:17,183 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-01-10 01:21:17,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:21:17,184 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-01-10 01:21:17,184 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2025-01-10 01:21:17,184 INFO L87 Difference]: Start difference. First operand 208 states and 256 transitions. Second operand has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:21:17,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:21:17,586 INFO L93 Difference]: Finished difference Result 397 states and 487 transitions. [2025-01-10 01:21:17,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-10 01:21:17,587 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2025-01-10 01:21:17,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:21:17,588 INFO L225 Difference]: With dead ends: 397 [2025-01-10 01:21:17,588 INFO L226 Difference]: Without dead ends: 208 [2025-01-10 01:21:17,589 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=118, Invalid=262, Unknown=0, NotChecked=0, Total=380 [2025-01-10 01:21:17,589 INFO L435 NwaCegarLoop]: 14 mSDtfsCounter, 265 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 01:21:17,589 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [265 Valid, 76 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 01:21:17,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2025-01-10 01:21:17,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 206. [2025-01-10 01:21:17,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 198 states have (on average 1.1515151515151516) internal successors, (228), 205 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:21:17,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 228 transitions. [2025-01-10 01:21:17,616 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 228 transitions. Word has length 16 [2025-01-10 01:21:17,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:21:17,616 INFO L471 AbstractCegarLoop]: Abstraction has 206 states and 228 transitions. [2025-01-10 01:21:17,616 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:21:17,616 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 228 transitions. [2025-01-10 01:21:17,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2025-01-10 01:21:17,617 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:21:17,617 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 4, 1, 1, 1, 1, 1] [2025-01-10 01:21:17,630 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 01:21:17,820 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:21:17,821 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-01-10 01:21:17,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:21:17,821 INFO L85 PathProgramCache]: Analyzing trace with hash 1132545000, now seen corresponding path program 2 times [2025-01-10 01:21:17,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:21:17,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538629827] [2025-01-10 01:21:17,821 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:21:17,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:21:17,836 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 19 statements into 2 equivalence classes. [2025-01-10 01:21:17,839 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 7 of 19 statements. [2025-01-10 01:21:17,839 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-10 01:21:17,839 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:21:17,878 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-01-10 01:21:17,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:21:17,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538629827] [2025-01-10 01:21:17,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538629827] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:21:17,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [318335200] [2025-01-10 01:21:17,878 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:21:17,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:21:17,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:21:17,883 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 01:21:17,887 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 01:21:17,927 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 19 statements into 2 equivalence classes. [2025-01-10 01:21:17,933 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 7 of 19 statements. [2025-01-10 01:21:17,933 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-10 01:21:17,933 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:21:17,934 INFO L256 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 01:21:17,934 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:21:17,970 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-01-10 01:21:17,970 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:21:18,012 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-01-10 01:21:18,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [318335200] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:21:18,013 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:21:18,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2025-01-10 01:21:18,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298353852] [2025-01-10 01:21:18,017 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:21:18,017 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-10 01:21:18,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:21:18,017 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 01:21:18,017 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-01-10 01:21:18,017 INFO L87 Difference]: Start difference. First operand 206 states and 228 transitions. Second operand has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:21:18,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:21:18,076 INFO L93 Difference]: Finished difference Result 206 states and 228 transitions. [2025-01-10 01:21:18,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 01:21:18,084 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2025-01-10 01:21:18,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:21:18,085 INFO L225 Difference]: With dead ends: 206 [2025-01-10 01:21:18,085 INFO L226 Difference]: Without dead ends: 204 [2025-01-10 01:21:18,085 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-01-10 01:21:18,085 INFO L435 NwaCegarLoop]: 18 mSDtfsCounter, 31 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:21:18,086 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 52 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:21:18,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2025-01-10 01:21:18,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 180. [2025-01-10 01:21:18,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 174 states have (on average 1.1264367816091954) internal successors, (196), 179 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:21:18,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 196 transitions. [2025-01-10 01:21:18,106 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 196 transitions. Word has length 19 [2025-01-10 01:21:18,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:21:18,106 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 196 transitions. [2025-01-10 01:21:18,106 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:21:18,106 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 196 transitions. [2025-01-10 01:21:18,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2025-01-10 01:21:18,107 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:21:18,107 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 1, 1, 1, 1, 1] [2025-01-10 01:21:18,115 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 01:21:18,308 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2025-01-10 01:21:18,308 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-01-10 01:21:18,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:21:18,312 INFO L85 PathProgramCache]: Analyzing trace with hash 1096526266, now seen corresponding path program 1 times [2025-01-10 01:21:18,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:21:18,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067030148] [2025-01-10 01:21:18,312 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:21:18,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:21:18,323 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-01-10 01:21:18,333 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-01-10 01:21:18,340 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:21:18,340 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:21:18,424 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2025-01-10 01:21:18,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:21:18,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067030148] [2025-01-10 01:21:18,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067030148] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:21:18,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1766257705] [2025-01-10 01:21:18,424 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:21:18,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:21:18,424 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:21:18,429 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 01:21:18,434 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 01:21:18,471 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-01-10 01:21:18,485 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-01-10 01:21:18,485 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:21:18,485 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:21:18,486 INFO L256 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-10 01:21:18,487 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:21:18,684 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 58 proven. 22 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 01:21:18,685 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:21:18,773 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 58 proven. 22 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 01:21:18,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1766257705] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:21:18,773 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:21:18,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 8, 8] total 16 [2025-01-10 01:21:18,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019262612] [2025-01-10 01:21:18,773 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:21:18,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-01-10 01:21:18,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:21:18,774 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-01-10 01:21:18,774 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=154, Unknown=0, NotChecked=0, Total=240 [2025-01-10 01:21:18,774 INFO L87 Difference]: Start difference. First operand 180 states and 196 transitions. Second operand has 16 states, 16 states have (on average 3.5625) internal successors, (57), 16 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:21:19,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:21:19,292 INFO L93 Difference]: Finished difference Result 711 states and 825 transitions. [2025-01-10 01:21:19,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-01-10 01:21:19,293 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.5625) internal successors, (57), 16 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2025-01-10 01:21:19,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:21:19,294 INFO L225 Difference]: With dead ends: 711 [2025-01-10 01:21:19,294 INFO L226 Difference]: Without dead ends: 548 [2025-01-10 01:21:19,296 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 468 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=643, Invalid=1163, Unknown=0, NotChecked=0, Total=1806 [2025-01-10 01:21:19,296 INFO L435 NwaCegarLoop]: 14 mSDtfsCounter, 671 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 671 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 01:21:19,296 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [671 Valid, 59 Invalid, 231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 01:21:19,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2025-01-10 01:21:19,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 548. [2025-01-10 01:21:19,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 548 states, 542 states have (on average 1.047970479704797) internal successors, (568), 547 states have internal predecessors, (568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:21:19,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 548 states and 568 transitions. [2025-01-10 01:21:19,346 INFO L78 Accepts]: Start accepts. Automaton has 548 states and 568 transitions. Word has length 35 [2025-01-10 01:21:19,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:21:19,346 INFO L471 AbstractCegarLoop]: Abstraction has 548 states and 568 transitions. [2025-01-10 01:21:19,346 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.5625) internal successors, (57), 16 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:21:19,347 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 568 transitions. [2025-01-10 01:21:19,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2025-01-10 01:21:19,349 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:21:19,349 INFO L218 NwaCegarLoop]: trace histogram [30, 30, 30, 3, 3, 3, 2, 1, 1, 1, 1] [2025-01-10 01:21:19,360 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-01-10 01:21:19,554 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:21:19,554 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-01-10 01:21:19,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:21:19,555 INFO L85 PathProgramCache]: Analyzing trace with hash -999146362, now seen corresponding path program 2 times [2025-01-10 01:21:19,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:21:19,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124530326] [2025-01-10 01:21:19,555 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:21:19,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:21:19,580 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 105 statements into 2 equivalence classes. [2025-01-10 01:21:19,582 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 7 of 105 statements. [2025-01-10 01:21:19,582 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-10 01:21:19,582 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:21:19,595 INFO L134 CoverageAnalysis]: Checked inductivity of 1407 backedges. 0 proven. 646 refuted. 0 times theorem prover too weak. 761 trivial. 0 not checked. [2025-01-10 01:21:19,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:21:19,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124530326] [2025-01-10 01:21:19,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124530326] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:21:19,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1938647898] [2025-01-10 01:21:19,596 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:21:19,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:21:19,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:21:19,599 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 01:21:19,602 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 01:21:19,662 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 105 statements into 2 equivalence classes. [2025-01-10 01:21:19,670 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 7 of 105 statements. [2025-01-10 01:21:19,671 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-10 01:21:19,671 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:21:19,675 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 01:21:19,677 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:21:19,827 INFO L134 CoverageAnalysis]: Checked inductivity of 1407 backedges. 0 proven. 646 refuted. 0 times theorem prover too weak. 761 trivial. 0 not checked. [2025-01-10 01:21:19,830 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:21:20,016 INFO L134 CoverageAnalysis]: Checked inductivity of 1407 backedges. 0 proven. 646 refuted. 0 times theorem prover too weak. 761 trivial. 0 not checked. [2025-01-10 01:21:20,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1938647898] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:21:20,020 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:21:20,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2025-01-10 01:21:20,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169924773] [2025-01-10 01:21:20,021 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:21:20,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-10 01:21:20,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:21:20,021 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 01:21:20,021 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-01-10 01:21:20,021 INFO L87 Difference]: Start difference. First operand 548 states and 568 transitions. Second operand has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:21:20,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:21:20,089 INFO L93 Difference]: Finished difference Result 548 states and 568 transitions. [2025-01-10 01:21:20,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 01:21:20,089 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2025-01-10 01:21:20,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:21:20,091 INFO L225 Difference]: With dead ends: 548 [2025-01-10 01:21:20,091 INFO L226 Difference]: Without dead ends: 546 [2025-01-10 01:21:20,092 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-01-10 01:21:20,092 INFO L435 NwaCegarLoop]: 16 mSDtfsCounter, 52 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:21:20,092 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 37 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:21:20,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 546 states. [2025-01-10 01:21:20,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 546 to 374. [2025-01-10 01:21:20,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 374 states, 370 states have (on average 1.0486486486486486) internal successors, (388), 373 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:21:20,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 388 transitions. [2025-01-10 01:21:20,112 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 388 transitions. Word has length 105 [2025-01-10 01:21:20,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:21:20,113 INFO L471 AbstractCegarLoop]: Abstraction has 374 states and 388 transitions. [2025-01-10 01:21:20,113 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:21:20,113 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 388 transitions. [2025-01-10 01:21:20,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2025-01-10 01:21:20,118 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:21:20,118 INFO L218 NwaCegarLoop]: trace histogram [40, 40, 40, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1] [2025-01-10 01:21:20,124 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 01:21:20,319 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,SelfDestructingSolverStorable9 [2025-01-10 01:21:20,319 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-01-10 01:21:20,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:21:20,320 INFO L85 PathProgramCache]: Analyzing trace with hash -1924603970, now seen corresponding path program 1 times [2025-01-10 01:21:20,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:21:20,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867985961] [2025-01-10 01:21:20,320 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:21:20,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:21:20,361 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 145 statements into 1 equivalence classes. [2025-01-10 01:21:20,377 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 145 of 145 statements. [2025-01-10 01:21:20,377 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:21:20,377 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:21:20,534 INFO L134 CoverageAnalysis]: Checked inductivity of 2535 backedges. 0 proven. 1303 refuted. 0 times theorem prover too weak. 1232 trivial. 0 not checked. [2025-01-10 01:21:20,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:21:20,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867985961] [2025-01-10 01:21:20,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [867985961] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:21:20,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [765172407] [2025-01-10 01:21:20,535 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:21:20,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:21:20,535 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:21:20,537 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 01:21:20,541 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 01:21:20,598 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 145 statements into 1 equivalence classes. [2025-01-10 01:21:20,645 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 145 of 145 statements. [2025-01-10 01:21:20,645 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:21:20,645 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:21:20,649 INFO L256 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-01-10 01:21:20,652 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:21:20,863 INFO L134 CoverageAnalysis]: Checked inductivity of 2535 backedges. 969 proven. 145 refuted. 0 times theorem prover too weak. 1421 trivial. 0 not checked. [2025-01-10 01:21:20,863 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:21:21,059 INFO L134 CoverageAnalysis]: Checked inductivity of 2535 backedges. 969 proven. 145 refuted. 0 times theorem prover too weak. 1421 trivial. 0 not checked. [2025-01-10 01:21:21,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [765172407] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:21:21,060 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:21:21,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 14, 14] total 28 [2025-01-10 01:21:21,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860057298] [2025-01-10 01:21:21,060 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:21:21,061 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2025-01-10 01:21:21,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:21:21,062 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2025-01-10 01:21:21,063 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=307, Invalid=449, Unknown=0, NotChecked=0, Total=756 [2025-01-10 01:21:21,064 INFO L87 Difference]: Start difference. First operand 374 states and 388 transitions. Second operand has 28 states, 28 states have (on average 3.6785714285714284) internal successors, (103), 28 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:21:22,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:21:22,239 INFO L93 Difference]: Finished difference Result 1095 states and 1219 transitions. [2025-01-10 01:21:22,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2025-01-10 01:21:22,240 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.6785714285714284) internal successors, (103), 28 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 145 [2025-01-10 01:21:22,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:21:22,246 INFO L225 Difference]: With dead ends: 1095 [2025-01-10 01:21:22,246 INFO L226 Difference]: Without dead ends: 756 [2025-01-10 01:21:22,249 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 337 GetRequests, 265 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1254 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=1549, Invalid=3853, Unknown=0, NotChecked=0, Total=5402 [2025-01-10 01:21:22,253 INFO L435 NwaCegarLoop]: 14 mSDtfsCounter, 1056 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 433 mSolverCounterSat, 182 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1056 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 615 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 182 IncrementalHoareTripleChecker+Valid, 433 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-01-10 01:21:22,253 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1056 Valid, 150 Invalid, 615 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [182 Valid, 433 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-01-10 01:21:22,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 756 states. [2025-01-10 01:21:22,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 756 to 756. [2025-01-10 01:21:22,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 756 states, 754 states have (on average 1.0198938992042441) internal successors, (769), 755 states have internal predecessors, (769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:21:22,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 756 states and 769 transitions. [2025-01-10 01:21:22,299 INFO L78 Accepts]: Start accepts. Automaton has 756 states and 769 transitions. Word has length 145 [2025-01-10 01:21:22,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:21:22,299 INFO L471 AbstractCegarLoop]: Abstraction has 756 states and 769 transitions. [2025-01-10 01:21:22,299 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 3.6785714285714284) internal successors, (103), 28 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:21:22,299 INFO L276 IsEmpty]: Start isEmpty. Operand 756 states and 769 transitions. [2025-01-10 01:21:22,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2025-01-10 01:21:22,301 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:21:22,301 INFO L218 NwaCegarLoop]: trace histogram [88, 88, 88, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1] [2025-01-10 01:21:22,308 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-01-10 01:21:22,503 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:21:22,503 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-01-10 01:21:22,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:21:22,504 INFO L85 PathProgramCache]: Analyzing trace with hash 41281598, now seen corresponding path program 1 times [2025-01-10 01:21:22,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:21:22,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677107957] [2025-01-10 01:21:22,504 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:21:22,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:21:22,544 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 290 statements into 1 equivalence classes. [2025-01-10 01:21:22,583 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 290 of 290 statements. [2025-01-10 01:21:22,584 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:21:22,584 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:21:22,893 INFO L134 CoverageAnalysis]: Checked inductivity of 11872 backedges. 0 proven. 6008 refuted. 0 times theorem prover too weak. 5864 trivial. 0 not checked. [2025-01-10 01:21:22,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:21:22,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677107957] [2025-01-10 01:21:22,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677107957] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:21:22,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1788952336] [2025-01-10 01:21:22,893 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:21:22,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:21:22,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:21:22,896 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 01:21:22,900 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 01:21:22,983 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 290 statements into 1 equivalence classes. [2025-01-10 01:21:23,075 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 290 of 290 statements. [2025-01-10 01:21:23,076 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:21:23,076 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:21:23,082 INFO L256 TraceCheckSpWp]: Trace formula consists of 885 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-01-10 01:21:23,091 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:21:23,567 INFO L134 CoverageAnalysis]: Checked inductivity of 11872 backedges. 4497 proven. 715 refuted. 0 times theorem prover too weak. 6660 trivial. 0 not checked. [2025-01-10 01:21:23,567 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:21:24,116 INFO L134 CoverageAnalysis]: Checked inductivity of 11872 backedges. 4497 proven. 715 refuted. 0 times theorem prover too weak. 6660 trivial. 0 not checked. [2025-01-10 01:21:24,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1788952336] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:21:24,116 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:21:24,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 26, 26] total 52 [2025-01-10 01:21:24,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265426446] [2025-01-10 01:21:24,117 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:21:24,117 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2025-01-10 01:21:24,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:21:24,119 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2025-01-10 01:21:24,120 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1184, Invalid=1468, Unknown=0, NotChecked=0, Total=2652 [2025-01-10 01:21:24,120 INFO L87 Difference]: Start difference. First operand 756 states and 769 transitions. Second operand has 52 states, 52 states have (on average 3.3846153846153846) internal successors, (176), 52 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:21:28,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:21:28,459 INFO L93 Difference]: Finished difference Result 2969 states and 3291 transitions. [2025-01-10 01:21:28,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2025-01-10 01:21:28,460 INFO L78 Accepts]: Start accepts. Automaton has has 52 states, 52 states have (on average 3.3846153846153846) internal successors, (176), 52 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 290 [2025-01-10 01:21:28,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:21:28,466 INFO L225 Difference]: With dead ends: 2969 [2025-01-10 01:21:28,466 INFO L226 Difference]: Without dead ends: 2284 [2025-01-10 01:21:28,471 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 698 GetRequests, 531 SyntacticMatches, 0 SemanticMatches, 167 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9180 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=9913, Invalid=18479, Unknown=0, NotChecked=0, Total=28392 [2025-01-10 01:21:28,471 INFO L435 NwaCegarLoop]: 10 mSDtfsCounter, 3642 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 377 mSolverCounterSat, 512 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3642 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 889 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 512 IncrementalHoareTripleChecker+Valid, 377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-01-10 01:21:28,471 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3642 Valid, 142 Invalid, 889 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [512 Valid, 377 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-01-10 01:21:28,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2284 states. [2025-01-10 01:21:28,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2284 to 2284. [2025-01-10 01:21:28,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2284 states, 2282 states have (on average 1.00920245398773) internal successors, (2303), 2283 states have internal predecessors, (2303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:21:28,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2284 states to 2284 states and 2303 transitions. [2025-01-10 01:21:28,561 INFO L78 Accepts]: Start accepts. Automaton has 2284 states and 2303 transitions. Word has length 290 [2025-01-10 01:21:28,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:21:28,562 INFO L471 AbstractCegarLoop]: Abstraction has 2284 states and 2303 transitions. [2025-01-10 01:21:28,562 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 3.3846153846153846) internal successors, (176), 52 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:21:28,562 INFO L276 IsEmpty]: Start isEmpty. Operand 2284 states and 2303 transitions. [2025-01-10 01:21:28,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 867 [2025-01-10 01:21:28,572 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:21:28,572 INFO L218 NwaCegarLoop]: trace histogram [276, 276, 276, 6, 6, 6, 6, 3, 3, 3, 2, 1, 1, 1] [2025-01-10 01:21:28,583 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-01-10 01:21:28,773 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:21:28,773 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-01-10 01:21:28,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:21:28,774 INFO L85 PathProgramCache]: Analyzing trace with hash -575474052, now seen corresponding path program 2 times [2025-01-10 01:21:28,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:21:28,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250651101] [2025-01-10 01:21:28,774 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:21:28,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:21:28,840 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 866 statements into 2 equivalence classes. [2025-01-10 01:21:28,841 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 6 of 866 statements. [2025-01-10 01:21:28,842 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-10 01:21:28,842 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:21:28,865 INFO L134 CoverageAnalysis]: Checked inductivity of 115596 backedges. 0 proven. 51566 refuted. 0 times theorem prover too weak. 64030 trivial. 0 not checked. [2025-01-10 01:21:28,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:21:28,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250651101] [2025-01-10 01:21:28,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250651101] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:21:28,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1197708069] [2025-01-10 01:21:28,866 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:21:28,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:21:28,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:21:28,868 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 01:21:28,869 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 01:21:29,042 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 866 statements into 2 equivalence classes. [2025-01-10 01:21:29,047 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 6 of 866 statements. [2025-01-10 01:21:29,047 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-10 01:21:29,047 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:21:29,049 INFO L256 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 01:21:29,056 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:21:29,972 INFO L134 CoverageAnalysis]: Checked inductivity of 115596 backedges. 0 proven. 51566 refuted. 0 times theorem prover too weak. 64030 trivial. 0 not checked. [2025-01-10 01:21:29,972 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:21:30,690 INFO L134 CoverageAnalysis]: Checked inductivity of 115596 backedges. 0 proven. 51566 refuted. 0 times theorem prover too weak. 64030 trivial. 0 not checked. [2025-01-10 01:21:30,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1197708069] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:21:30,691 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:21:30,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2025-01-10 01:21:30,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129849622] [2025-01-10 01:21:30,691 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:21:30,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-10 01:21:30,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:21:30,692 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 01:21:30,692 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-01-10 01:21:30,692 INFO L87 Difference]: Start difference. First operand 2284 states and 2303 transitions. Second operand has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:21:30,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:21:30,772 INFO L93 Difference]: Finished difference Result 2284 states and 2303 transitions. [2025-01-10 01:21:30,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:21:30,773 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 866 [2025-01-10 01:21:30,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:21:30,774 INFO L225 Difference]: With dead ends: 2284 [2025-01-10 01:21:30,774 INFO L226 Difference]: Without dead ends: 0 [2025-01-10 01:21:30,776 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1735 GetRequests, 1729 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-01-10 01:21:30,776 INFO L435 NwaCegarLoop]: 12 mSDtfsCounter, 42 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:21:30,776 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 15 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:21:30,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-01-10 01:21:30,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-01-10 01:21:30,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:21:30,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-01-10 01:21:30,777 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 866 [2025-01-10 01:21:30,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:21:30,777 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-01-10 01:21:30,777 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:21:30,777 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-01-10 01:21:30,777 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-01-10 01:21:30,779 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 12 remaining) [2025-01-10 01:21:30,779 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 12 remaining) [2025-01-10 01:21:30,779 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 12 remaining) [2025-01-10 01:21:30,779 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 12 remaining) [2025-01-10 01:21:30,779 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 12 remaining) [2025-01-10 01:21:30,779 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 12 remaining) [2025-01-10 01:21:30,779 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 12 remaining) [2025-01-10 01:21:30,779 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 12 remaining) [2025-01-10 01:21:30,779 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 12 remaining) [2025-01-10 01:21:30,779 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 12 remaining) [2025-01-10 01:21:30,779 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 12 remaining) [2025-01-10 01:21:30,779 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 12 remaining) [2025-01-10 01:21:30,785 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-01-10 01:21:30,984 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:21:30,986 INFO L422 BasicCegarLoop]: Path program histogram: [2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:21:30,988 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-01-10 01:21:37,086 WARN L286 SmtUtils]: Spent 6.09s on a formula simplification. DAG size of input: 465 DAG size of output: 406 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2025-01-10 01:21:42,551 WARN L286 SmtUtils]: Spent 5.46s on a formula simplification. DAG size of input: 465 DAG size of output: 406 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2025-01-10 01:21:47,006 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-10 01:21:47,023 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 01:21:47 BoogieIcfgContainer [2025-01-10 01:21:47,023 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-10 01:21:47,023 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-10 01:21:47,023 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-10 01:21:47,024 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-10 01:21:47,028 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 01:21:15" (3/4) ... [2025-01-10 01:21:47,029 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-01-10 01:21:47,038 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2025-01-10 01:21:47,038 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-01-10 01:21:47,038 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-01-10 01:21:47,038 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-01-10 01:21:47,111 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-01-10 01:21:47,112 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-01-10 01:21:47,112 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-10 01:21:47,113 INFO L158 Benchmark]: Toolchain (without parser) took 32160.74ms. Allocated memory was 142.6MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 113.0MB in the beginning and 1.0GB in the end (delta: -887.9MB). Peak memory consumption was 239.0MB. Max. memory is 16.1GB. [2025-01-10 01:21:47,113 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 201.3MB. Free memory is still 123.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 01:21:47,113 INFO L158 Benchmark]: CACSL2BoogieTranslator took 155.01ms. Allocated memory is still 142.6MB. Free memory was 113.0MB in the beginning and 102.0MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-10 01:21:47,113 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.17ms. Allocated memory is still 142.6MB. Free memory was 102.0MB in the beginning and 101.1MB in the end (delta: 895.1kB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 01:21:47,114 INFO L158 Benchmark]: Boogie Preprocessor took 27.55ms. Allocated memory is still 142.6MB. Free memory was 101.1MB in the beginning and 99.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 01:21:47,114 INFO L158 Benchmark]: RCFGBuilder took 188.03ms. Allocated memory is still 142.6MB. Free memory was 99.7MB in the beginning and 86.2MB in the end (delta: 13.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-10 01:21:47,114 INFO L158 Benchmark]: TraceAbstraction took 31669.73ms. Allocated memory was 142.6MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 85.8MB in the beginning and 1.0GB in the end (delta: -923.3MB). Peak memory consumption was 754.4MB. Max. memory is 16.1GB. [2025-01-10 01:21:47,115 INFO L158 Benchmark]: Witness Printer took 88.65ms. Allocated memory is still 1.3GB. Free memory was 1.0GB in the beginning and 1.0GB in the end (delta: 8.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 01:21:47,116 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 201.3MB. Free memory is still 123.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 155.01ms. Allocated memory is still 142.6MB. Free memory was 113.0MB in the beginning and 102.0MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.17ms. Allocated memory is still 142.6MB. Free memory was 102.0MB in the beginning and 101.1MB in the end (delta: 895.1kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.55ms. Allocated memory is still 142.6MB. Free memory was 101.1MB in the beginning and 99.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 188.03ms. Allocated memory is still 142.6MB. Free memory was 99.7MB in the beginning and 86.2MB in the end (delta: 13.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 31669.73ms. Allocated memory was 142.6MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 85.8MB in the beginning and 1.0GB in the end (delta: -923.3MB). Peak memory consumption was 754.4MB. Max. memory is 16.1GB. * Witness Printer took 88.65ms. Allocated memory is still 1.3GB. Free memory was 1.0GB in the beginning and 1.0GB in the end (delta: 8.1MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 39 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 15.6s, OverallIterations: 13, TraceHistogramMax: 276, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 7.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5926 SdHoareTripleChecker+Valid, 1.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5926 mSDsluCounter, 870 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 604 mSDsCounter, 882 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1380 IncrementalHoareTripleChecker+Invalid, 2262 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 882 mSolverCounterUnsat, 266 mSDtfsCounter, 1380 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3209 GetRequests, 2879 SyntacticMatches, 0 SemanticMatches, 330 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10960 ImplicationChecksByTransitivity, 5.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2284occurred in iteration=12, InterpolantAutomatonStates: 278, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 13 MinimizatonAttempts, 208 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.9s InterpolantComputationTime, 3022 NumberOfCodeBlocks, 1082 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 4478 ConstructedInterpolants, 0 QuantifiedInterpolants, 12606 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1846 ConjunctsInSsa, 64 ConjunctsInUnsatCore, 30 InterpolantComputations, 5 PerfectInterpolantSequences, 228862/394678 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 12 specifications checked. All of them hold - InvariantResult [Line: 49]: Loop Invariant Derived loop invariant: (((((((((((((1 <= i) && (i <= 999)) && (k <= 2147483646)) && (1 <= k)) && (j == 0)) && (n == 1000)) || ((((((1 <= i) && (1 <= j)) && (i <= 999)) && (k == 0)) && (j <= 999)) && (n == 1000))) || (((((((1 <= i) && (1 <= j)) && (i <= 999)) && (k <= 2147483646)) && (1 <= k)) && (j <= 999)) && (n == 1000))) || ((((((i == 0) && (1 <= j)) && (k <= 2147483646)) && (1 <= k)) && (j <= 999)) && (n == 1000))) || (((((i == 0) && (k <= 2147483646)) && (1 <= k)) && (j == 0)) && (n == 1000))) || (((((1 <= i) && (i <= 999)) && (k == 0)) && (j == 0)) && (n == 1000))) || (((((i == 0) && (1 <= j)) && (k == 0)) && (j <= 999)) && (n == 1000))) || ((((i == 0) && (k == 0)) && (j == 0)) && (n == 1000))) - InvariantResult [Line: 47]: Loop Invariant Derived loop invariant: ((((((((1 <= i) && (1 <= j)) && (i <= 999)) && (j <= 2147483646)) && (n == 1000)) || ((((i == 0) && (1 <= j)) && (j <= 2147483646)) && (n == 1000))) || (((i == 0) && (j == 0)) && (n == 1000))) || ((((1 <= i) && (i <= 999)) && (j == 0)) && (n == 1000))) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: (((((((((((((1 <= i) && (i <= 999)) && (k <= 2147483646)) && (1 <= k)) && (j == 0)) && (n == 1000)) || ((((((1 <= i) && (1 <= j)) && (i <= 999)) && (k == 0)) && (j <= 999)) && (n == 1000))) || (((((((1 <= i) && (1 <= j)) && (i <= 999)) && (k <= 2147483646)) && (1 <= k)) && (j <= 999)) && (n == 1000))) || ((((((i == 0) && (1 <= j)) && (k <= 2147483646)) && (1 <= k)) && (j <= 999)) && (n == 1000))) || (((((i == 0) && (k <= 2147483646)) && (1 <= k)) && (j == 0)) && (n == 1000))) || (((((1 <= i) && (i <= 999)) && (k == 0)) && (j == 0)) && (n == 1000))) || (((((i == 0) && (1 <= j)) && (k == 0)) && (j <= 999)) && (n == 1000))) || ((((i == 0) && (k == 0)) && (j == 0)) && (n == 1000))) - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: ((((((((1 <= i) && (1 <= j)) && (i <= 999)) && (j <= 2147483646)) && (n == 1000)) || ((((i == 0) && (1 <= j)) && (j <= 2147483646)) && (n == 1000))) || (((i == 0) && (j == 0)) && (n == 1000))) || ((((1 <= i) && (i <= 999)) && (j == 0)) && (n == 1000))) - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: (((i == 0) && (n == 1000)) || (((1 <= i) && (i <= 2147483646)) && (n == 1000))) - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: (((i == 0) && (n == 1000)) || (((1 <= i) && (i <= 2147483646)) && (n == 1000))) RESULT: Ultimate proved your program to be correct! [2025-01-10 01:21:47,144 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE