./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/array-crafted/bAnd3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/array-crafted/bAnd3.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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 afae6e1207f0c06d84ec8e2e2acf76c1c8773d377a1c0ea49ca1b653981c2bfd --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-09 01:36:18,648 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-09 01:36:18,705 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-03-09 01:36:18,710 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-09 01:36:18,710 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-09 01:36:18,733 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-09 01:36:18,734 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-09 01:36:18,734 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-09 01:36:18,734 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-09 01:36:18,734 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-09 01:36:18,735 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-09 01:36:18,735 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-09 01:36:18,735 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-09 01:36:18,735 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-09 01:36:18,735 INFO L153 SettingsManager]: * Use SBE=true [2025-03-09 01:36:18,735 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-09 01:36:18,735 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-09 01:36:18,735 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-09 01:36:18,735 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-09 01:36:18,735 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-09 01:36:18,735 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-09 01:36:18,736 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-09 01:36:18,736 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-09 01:36:18,736 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-09 01:36:18,736 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-09 01:36:18,736 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-09 01:36:18,736 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-09 01:36:18,736 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-09 01:36:18,736 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-09 01:36:18,736 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-09 01:36:18,736 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-09 01:36:18,736 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-09 01:36:18,736 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-09 01:36:18,736 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-09 01:36:18,736 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 01:36:18,736 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-09 01:36:18,736 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-09 01:36:18,736 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-09 01:36:18,736 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-09 01:36:18,736 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-09 01:36:18,737 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-09 01:36:18,737 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-09 01:36:18,737 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-09 01:36:18,737 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-09 01:36:18,737 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-09 01:36:18,737 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/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 -> afae6e1207f0c06d84ec8e2e2acf76c1c8773d377a1c0ea49ca1b653981c2bfd [2025-03-09 01:36:18,934 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-09 01:36:18,943 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-09 01:36:18,945 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-09 01:36:18,948 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-09 01:36:18,948 INFO L274 PluginConnector]: CDTParser initialized [2025-03-09 01:36:18,949 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-crafted/bAnd3.i [2025-03-09 01:36:20,039 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11fe5092c/aaf87812b92f492a848decdc4265bf9e/FLAG60c8fcafd [2025-03-09 01:36:20,243 INFO L384 CDTParser]: Found 1 translation units. [2025-03-09 01:36:20,249 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-crafted/bAnd3.i [2025-03-09 01:36:20,260 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11fe5092c/aaf87812b92f492a848decdc4265bf9e/FLAG60c8fcafd [2025-03-09 01:36:20,620 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11fe5092c/aaf87812b92f492a848decdc4265bf9e [2025-03-09 01:36:20,622 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-09 01:36:20,623 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-09 01:36:20,625 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-09 01:36:20,626 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-09 01:36:20,630 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-09 01:36:20,631 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 01:36:20" (1/1) ... [2025-03-09 01:36:20,632 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76530039 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:36:20, skipping insertion in model container [2025-03-09 01:36:20,632 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 01:36:20" (1/1) ... [2025-03-09 01:36:20,644 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-09 01:36:20,757 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 01:36:20,766 INFO L200 MainTranslator]: Completed pre-run [2025-03-09 01:36:20,784 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 01:36:20,796 INFO L204 MainTranslator]: Completed translation [2025-03-09 01:36:20,797 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:36:20 WrapperNode [2025-03-09 01:36:20,797 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-09 01:36:20,798 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-09 01:36:20,799 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-09 01:36:20,799 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-09 01:36:20,803 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:36:20" (1/1) ... [2025-03-09 01:36:20,808 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:36:20" (1/1) ... [2025-03-09 01:36:20,820 INFO L138 Inliner]: procedures = 16, calls = 32, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 79 [2025-03-09 01:36:20,821 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-09 01:36:20,821 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-09 01:36:20,821 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-09 01:36:20,821 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-09 01:36:20,827 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:36:20" (1/1) ... [2025-03-09 01:36:20,827 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:36:20" (1/1) ... [2025-03-09 01:36:20,828 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:36:20" (1/1) ... [2025-03-09 01:36:20,838 INFO L175 MemorySlicer]: Split 21 memory accesses to 3 slices as follows [2, 8, 11]. 52 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 8, 0]. The 5 writes are split as follows [0, 0, 5]. [2025-03-09 01:36:20,838 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:36:20" (1/1) ... [2025-03-09 01:36:20,838 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:36:20" (1/1) ... [2025-03-09 01:36:20,842 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:36:20" (1/1) ... [2025-03-09 01:36:20,843 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:36:20" (1/1) ... [2025-03-09 01:36:20,844 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:36:20" (1/1) ... [2025-03-09 01:36:20,844 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:36:20" (1/1) ... [2025-03-09 01:36:20,846 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-09 01:36:20,846 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-09 01:36:20,846 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-09 01:36:20,846 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-09 01:36:20,847 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:36:20" (1/1) ... [2025-03-09 01:36:20,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 01:36:20,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 01:36:20,868 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-09 01:36:20,871 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-09 01:36:20,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-09 01:36:20,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-09 01:36:20,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-09 01:36:20,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-09 01:36:20,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-09 01:36:20,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-09 01:36:20,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-09 01:36:20,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-09 01:36:20,887 INFO L130 BoogieDeclarations]: Found specification of procedure bAnd [2025-03-09 01:36:20,887 INFO L138 BoogieDeclarations]: Found implementation of procedure bAnd [2025-03-09 01:36:20,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-09 01:36:20,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-09 01:36:20,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-09 01:36:20,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-09 01:36:20,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-09 01:36:20,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-09 01:36:20,947 INFO L256 CfgBuilder]: Building ICFG [2025-03-09 01:36:20,948 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-09 01:36:21,074 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L31: call ULTIMATE.dealloc(main_~#x~0#1.base, main_~#x~0#1.offset);havoc main_~#x~0#1.base, main_~#x~0#1.offset; [2025-03-09 01:36:21,083 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2025-03-09 01:36:21,083 INFO L307 CfgBuilder]: Performing block encoding [2025-03-09 01:36:21,097 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-09 01:36:21,100 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-09 01:36:21,100 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 01:36:21 BoogieIcfgContainer [2025-03-09 01:36:21,100 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-09 01:36:21,102 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-09 01:36:21,103 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-09 01:36:21,106 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-09 01:36:21,106 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.03 01:36:20" (1/3) ... [2025-03-09 01:36:21,107 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a72f59a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 01:36:21, skipping insertion in model container [2025-03-09 01:36:21,107 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:36:20" (2/3) ... [2025-03-09 01:36:21,107 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a72f59a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 01:36:21, skipping insertion in model container [2025-03-09 01:36:21,108 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 01:36:21" (3/3) ... [2025-03-09 01:36:21,109 INFO L128 eAbstractionObserver]: Analyzing ICFG bAnd3.i [2025-03-09 01:36:21,119 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-09 01:36:21,120 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG bAnd3.i that has 2 procedures, 41 locations, 1 initial locations, 3 loop locations, and 8 error locations. [2025-03-09 01:36:21,157 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-09 01:36:21,165 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;@7ce0800e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-09 01:36:21,165 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2025-03-09 01:36:21,169 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 28 states have (on average 1.5357142857142858) internal successors, (43), 36 states have internal predecessors, (43), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-09 01:36:21,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-03-09 01:36:21,172 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:36:21,173 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-03-09 01:36:21,173 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [bAndErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bAndErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-09 01:36:21,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:36:21,177 INFO L85 PathProgramCache]: Analyzing trace with hash 2369343, now seen corresponding path program 1 times [2025-03-09 01:36:21,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:36:21,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447913178] [2025-03-09 01:36:21,183 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:36:21,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:36:21,237 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-03-09 01:36:21,255 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-09 01:36:21,255 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:36:21,255 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:36:21,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:36:21,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:36:21,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447913178] [2025-03-09 01:36:21,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447913178] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 01:36:21,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 01:36:21,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 01:36:21,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650251489] [2025-03-09 01:36:21,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 01:36:21,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 01:36:21,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:36:21,370 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 01:36:21,370 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 01:36:21,371 INFO L87 Difference]: Start difference. First operand has 41 states, 28 states have (on average 1.5357142857142858) internal successors, (43), 36 states have internal predecessors, (43), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:36:21,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:36:21,425 INFO L93 Difference]: Finished difference Result 79 states and 95 transitions. [2025-03-09 01:36:21,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 01:36:21,427 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2025-03-09 01:36:21,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:36:21,431 INFO L225 Difference]: With dead ends: 79 [2025-03-09 01:36:21,431 INFO L226 Difference]: Without dead ends: 36 [2025-03-09 01:36:21,436 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 01:36:21,438 INFO L435 NwaCegarLoop]: 42 mSDtfsCounter, 1 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 01:36:21,439 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 119 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 01:36:21,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2025-03-09 01:36:21,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2025-03-09 01:36:21,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 24 states have (on average 1.5416666666666667) internal successors, (37), 32 states have internal predecessors, (37), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-09 01:36:21,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 42 transitions. [2025-03-09 01:36:21,464 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 42 transitions. Word has length 4 [2025-03-09 01:36:21,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:36:21,464 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 42 transitions. [2025-03-09 01:36:21,464 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:36:21,464 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 42 transitions. [2025-03-09 01:36:21,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-03-09 01:36:21,464 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:36:21,464 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2025-03-09 01:36:21,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-09 01:36:21,467 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [bAndErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bAndErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-09 01:36:21,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:36:21,467 INFO L85 PathProgramCache]: Analyzing trace with hash 1865631626, now seen corresponding path program 1 times [2025-03-09 01:36:21,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:36:21,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453616726] [2025-03-09 01:36:21,468 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:36:21,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:36:21,477 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-09 01:36:21,493 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-09 01:36:21,494 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:36:21,494 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:36:21,579 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:36:21,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:36:21,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453616726] [2025-03-09 01:36:21,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453616726] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 01:36:21,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [888508925] [2025-03-09 01:36:21,579 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:36:21,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 01:36:21,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 01:36:21,583 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 01:36:21,584 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-09 01:36:21,623 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-09 01:36:21,636 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-09 01:36:21,637 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:36:21,637 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:36:21,639 INFO L256 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-09 01:36:21,642 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 01:36:21,688 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:36:21,688 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 01:36:21,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [888508925] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 01:36:21,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 01:36:21,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2025-03-09 01:36:21,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108998338] [2025-03-09 01:36:21,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 01:36:21,689 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-09 01:36:21,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:36:21,689 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-09 01:36:21,690 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-09 01:36:21,690 INFO L87 Difference]: Start difference. First operand 36 states and 42 transitions. Second operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:36:21,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:36:21,731 INFO L93 Difference]: Finished difference Result 36 states and 42 transitions. [2025-03-09 01:36:21,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-09 01:36:21,735 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.4) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2025-03-09 01:36:21,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:36:21,735 INFO L225 Difference]: With dead ends: 36 [2025-03-09 01:36:21,735 INFO L226 Difference]: Without dead ends: 35 [2025-03-09 01:36:21,736 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-09 01:36:21,736 INFO L435 NwaCegarLoop]: 32 mSDtfsCounter, 1 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 01:36:21,736 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 156 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 01:36:21,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2025-03-09 01:36:21,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2025-03-09 01:36:21,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 24 states have (on average 1.5) internal successors, (36), 31 states have internal predecessors, (36), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-09 01:36:21,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 41 transitions. [2025-03-09 01:36:21,742 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 41 transitions. Word has length 7 [2025-03-09 01:36:21,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:36:21,742 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 41 transitions. [2025-03-09 01:36:21,742 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.4) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:36:21,742 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 41 transitions. [2025-03-09 01:36:21,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-03-09 01:36:21,744 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:36:21,744 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1] [2025-03-09 01:36:21,750 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-09 01:36:21,944 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 01:36:21,945 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [bAndErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bAndErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-09 01:36:21,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:36:21,945 INFO L85 PathProgramCache]: Analyzing trace with hash 2000005569, now seen corresponding path program 1 times [2025-03-09 01:36:21,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:36:21,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266740570] [2025-03-09 01:36:21,945 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:36:21,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:36:21,950 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-09 01:36:21,956 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-09 01:36:21,959 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:36:21,959 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:36:22,013 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-09 01:36:22,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:36:22,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266740570] [2025-03-09 01:36:22,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266740570] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 01:36:22,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 01:36:22,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 01:36:22,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981379508] [2025-03-09 01:36:22,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 01:36:22,014 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 01:36:22,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:36:22,014 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 01:36:22,014 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 01:36:22,014 INFO L87 Difference]: Start difference. First operand 35 states and 41 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2025-03-09 01:36:22,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:36:22,027 INFO L93 Difference]: Finished difference Result 35 states and 41 transitions. [2025-03-09 01:36:22,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 01:36:22,027 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 8 [2025-03-09 01:36:22,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:36:22,028 INFO L225 Difference]: With dead ends: 35 [2025-03-09 01:36:22,028 INFO L226 Difference]: Without dead ends: 34 [2025-03-09 01:36:22,028 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 [2025-03-09 01:36:22,029 INFO L435 NwaCegarLoop]: 34 mSDtfsCounter, 0 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 01:36:22,029 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 66 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 01:36:22,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2025-03-09 01:36:22,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 32. [2025-03-09 01:36:22,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 22 states have (on average 1.5) internal successors, (33), 28 states have internal predecessors, (33), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-09 01:36:22,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 38 transitions. [2025-03-09 01:36:22,031 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 38 transitions. Word has length 8 [2025-03-09 01:36:22,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:36:22,032 INFO L471 AbstractCegarLoop]: Abstraction has 32 states and 38 transitions. [2025-03-09 01:36:22,032 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2025-03-09 01:36:22,032 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 38 transitions. [2025-03-09 01:36:22,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-03-09 01:36:22,032 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:36:22,032 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 01:36:22,032 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-09 01:36:22,032 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting bAndErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [bAndErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bAndErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-09 01:36:22,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:36:22,033 INFO L85 PathProgramCache]: Analyzing trace with hash 869732654, now seen corresponding path program 1 times [2025-03-09 01:36:22,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:36:22,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198940907] [2025-03-09 01:36:22,033 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:36:22,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:36:22,037 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-03-09 01:36:22,040 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-03-09 01:36:22,040 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:36:22,040 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:36:22,091 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:36:22,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:36:22,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198940907] [2025-03-09 01:36:22,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1198940907] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 01:36:22,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [390909588] [2025-03-09 01:36:22,092 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:36:22,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 01:36:22,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 01:36:22,094 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 01:36:22,095 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-09 01:36:22,130 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-03-09 01:36:22,145 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-03-09 01:36:22,145 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:36:22,145 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:36:22,147 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-09 01:36:22,148 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 01:36:22,173 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:36:22,174 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 01:36:22,205 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:36:22,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [390909588] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 01:36:22,205 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 01:36:22,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2025-03-09 01:36:22,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160945609] [2025-03-09 01:36:22,205 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 01:36:22,206 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-09 01:36:22,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:36:22,206 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-09 01:36:22,206 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2025-03-09 01:36:22,206 INFO L87 Difference]: Start difference. First operand 32 states and 38 transitions. Second operand has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:36:22,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:36:22,243 INFO L93 Difference]: Finished difference Result 64 states and 77 transitions. [2025-03-09 01:36:22,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-09 01:36:22,246 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2025-03-09 01:36:22,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:36:22,247 INFO L225 Difference]: With dead ends: 64 [2025-03-09 01:36:22,247 INFO L226 Difference]: Without dead ends: 38 [2025-03-09 01:36:22,247 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2025-03-09 01:36:22,248 INFO L435 NwaCegarLoop]: 33 mSDtfsCounter, 0 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 01:36:22,248 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 221 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 01:36:22,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2025-03-09 01:36:22,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2025-03-09 01:36:22,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 28 states have (on average 1.3928571428571428) internal successors, (39), 34 states have internal predecessors, (39), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-09 01:36:22,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 44 transitions. [2025-03-09 01:36:22,255 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 44 transitions. Word has length 12 [2025-03-09 01:36:22,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:36:22,255 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 44 transitions. [2025-03-09 01:36:22,255 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:36:22,255 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 44 transitions. [2025-03-09 01:36:22,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2025-03-09 01:36:22,256 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:36:22,256 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 01:36:22,263 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-09 01:36:22,457 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2025-03-09 01:36:22,458 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting bAndErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [bAndErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bAndErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-09 01:36:22,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:36:22,458 INFO L85 PathProgramCache]: Analyzing trace with hash 2031814990, now seen corresponding path program 2 times [2025-03-09 01:36:22,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:36:22,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270293625] [2025-03-09 01:36:22,458 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 01:36:22,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:36:22,468 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 18 statements into 2 equivalence classes. [2025-03-09 01:36:22,471 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 9 of 18 statements. [2025-03-09 01:36:22,471 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-09 01:36:22,471 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:36:22,515 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-09 01:36:22,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:36:22,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270293625] [2025-03-09 01:36:22,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270293625] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 01:36:22,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 01:36:22,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 01:36:22,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057661558] [2025-03-09 01:36:22,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 01:36:22,516 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 01:36:22,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:36:22,519 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 01:36:22,519 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 01:36:22,519 INFO L87 Difference]: Start difference. First operand 38 states and 44 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:36:22,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:36:22,545 INFO L93 Difference]: Finished difference Result 70 states and 87 transitions. [2025-03-09 01:36:22,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 01:36:22,546 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2025-03-09 01:36:22,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:36:22,546 INFO L225 Difference]: With dead ends: 70 [2025-03-09 01:36:22,546 INFO L226 Difference]: Without dead ends: 45 [2025-03-09 01:36:22,546 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 01:36:22,547 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 5 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 01:36:22,547 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 90 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 01:36:22,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2025-03-09 01:36:22,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 44. [2025-03-09 01:36:22,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 34 states have (on average 1.3823529411764706) internal successors, (47), 40 states have internal predecessors, (47), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-09 01:36:22,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 52 transitions. [2025-03-09 01:36:22,555 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 52 transitions. Word has length 18 [2025-03-09 01:36:22,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:36:22,556 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 52 transitions. [2025-03-09 01:36:22,556 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:36:22,556 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 52 transitions. [2025-03-09 01:36:22,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2025-03-09 01:36:22,557 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:36:22,557 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 01:36:22,557 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-09 01:36:22,557 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting bAndErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [bAndErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bAndErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-09 01:36:22,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:36:22,558 INFO L85 PathProgramCache]: Analyzing trace with hash -1438244779, now seen corresponding path program 1 times [2025-03-09 01:36:22,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:36:22,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759191917] [2025-03-09 01:36:22,558 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:36:22,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:36:22,564 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-03-09 01:36:22,569 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-03-09 01:36:22,569 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:36:22,570 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:36:22,615 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-09 01:36:22,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:36:22,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759191917] [2025-03-09 01:36:22,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759191917] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 01:36:22,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 01:36:22,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 01:36:22,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483865363] [2025-03-09 01:36:22,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 01:36:22,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 01:36:22,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:36:22,617 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 01:36:22,617 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 01:36:22,617 INFO L87 Difference]: Start difference. First operand 44 states and 52 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:36:22,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:36:22,639 INFO L93 Difference]: Finished difference Result 46 states and 54 transitions. [2025-03-09 01:36:22,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 01:36:22,640 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2025-03-09 01:36:22,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:36:22,640 INFO L225 Difference]: With dead ends: 46 [2025-03-09 01:36:22,640 INFO L226 Difference]: Without dead ends: 45 [2025-03-09 01:36:22,640 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 01:36:22,642 INFO L435 NwaCegarLoop]: 32 mSDtfsCounter, 4 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 01:36:22,642 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 92 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 01:36:22,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2025-03-09 01:36:22,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2025-03-09 01:36:22,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 35 states have (on average 1.3714285714285714) internal successors, (48), 41 states have internal predecessors, (48), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-09 01:36:22,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 53 transitions. [2025-03-09 01:36:22,650 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 53 transitions. Word has length 19 [2025-03-09 01:36:22,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:36:22,650 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 53 transitions. [2025-03-09 01:36:22,650 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:36:22,650 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 53 transitions. [2025-03-09 01:36:22,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2025-03-09 01:36:22,650 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:36:22,650 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 01:36:22,651 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-09 01:36:22,651 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting bAndErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [bAndErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bAndErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-09 01:36:22,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:36:22,651 INFO L85 PathProgramCache]: Analyzing trace with hash -556047891, now seen corresponding path program 1 times [2025-03-09 01:36:22,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:36:22,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009188120] [2025-03-09 01:36:22,653 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:36:22,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:36:22,662 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-03-09 01:36:22,669 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-03-09 01:36:22,671 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:36:22,671 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:36:22,766 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-09 01:36:22,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:36:22,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009188120] [2025-03-09 01:36:22,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1009188120] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 01:36:22,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [337741040] [2025-03-09 01:36:22,767 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:36:22,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 01:36:22,767 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 01:36:22,769 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 01:36:22,771 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-09 01:36:22,802 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-03-09 01:36:22,818 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-03-09 01:36:22,819 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:36:22,819 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:36:22,819 INFO L256 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-09 01:36:22,820 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 01:36:22,848 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-09 01:36:22,849 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 01:36:22,939 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-09 01:36:22,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [337741040] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 01:36:22,939 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 01:36:22,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2025-03-09 01:36:22,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414011544] [2025-03-09 01:36:22,940 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 01:36:22,940 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-03-09 01:36:22,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:36:22,940 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-03-09 01:36:22,940 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2025-03-09 01:36:22,941 INFO L87 Difference]: Start difference. First operand 45 states and 53 transitions. Second operand has 18 states, 18 states have (on average 1.8888888888888888) internal successors, (34), 18 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:36:22,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:36:22,972 INFO L93 Difference]: Finished difference Result 90 states and 109 transitions. [2025-03-09 01:36:22,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-09 01:36:22,972 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 1.8888888888888888) internal successors, (34), 18 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2025-03-09 01:36:22,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:36:22,973 INFO L225 Difference]: With dead ends: 90 [2025-03-09 01:36:22,973 INFO L226 Difference]: Without dead ends: 57 [2025-03-09 01:36:22,973 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2025-03-09 01:36:22,974 INFO L435 NwaCegarLoop]: 33 mSDtfsCounter, 0 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 01:36:22,974 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 128 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 01:36:22,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2025-03-09 01:36:22,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2025-03-09 01:36:22,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 47 states have (on average 1.2765957446808511) internal successors, (60), 53 states have internal predecessors, (60), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-09 01:36:22,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 65 transitions. [2025-03-09 01:36:22,977 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 65 transitions. Word has length 23 [2025-03-09 01:36:22,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:36:22,978 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 65 transitions. [2025-03-09 01:36:22,978 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 1.8888888888888888) internal successors, (34), 18 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:36:22,978 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 65 transitions. [2025-03-09 01:36:22,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2025-03-09 01:36:22,978 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:36:22,978 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 01:36:22,984 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-03-09 01:36:23,183 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 01:36:23,183 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting bAndErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [bAndErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bAndErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-09 01:36:23,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:36:23,184 INFO L85 PathProgramCache]: Analyzing trace with hash 1049125293, now seen corresponding path program 2 times [2025-03-09 01:36:23,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:36:23,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438489474] [2025-03-09 01:36:23,184 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 01:36:23,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:36:23,193 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 35 statements into 2 equivalence classes. [2025-03-09 01:36:23,201 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 35 of 35 statements. [2025-03-09 01:36:23,202 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 01:36:23,202 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:36:23,268 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2025-03-09 01:36:23,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:36:23,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438489474] [2025-03-09 01:36:23,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438489474] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 01:36:23,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [361840760] [2025-03-09 01:36:23,268 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 01:36:23,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 01:36:23,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 01:36:23,270 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 01:36:23,272 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-09 01:36:23,309 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 35 statements into 2 equivalence classes. [2025-03-09 01:36:23,327 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 35 of 35 statements. [2025-03-09 01:36:23,327 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 01:36:23,327 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:36:23,328 INFO L256 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-03-09 01:36:23,330 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 01:36:23,503 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-09 01:36:23,503 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 01:36:23,786 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-09 01:36:23,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [361840760] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 01:36:23,787 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 01:36:23,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 17, 17] total 36 [2025-03-09 01:36:23,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287412228] [2025-03-09 01:36:23,787 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 01:36:23,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2025-03-09 01:36:23,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:36:23,788 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2025-03-09 01:36:23,788 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=280, Invalid=980, Unknown=0, NotChecked=0, Total=1260 [2025-03-09 01:36:23,788 INFO L87 Difference]: Start difference. First operand 57 states and 65 transitions. Second operand has 36 states, 36 states have (on average 1.9166666666666667) internal successors, (69), 36 states have internal predecessors, (69), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:36:23,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:36:23,901 INFO L93 Difference]: Finished difference Result 113 states and 137 transitions. [2025-03-09 01:36:23,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-03-09 01:36:23,902 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 1.9166666666666667) internal successors, (69), 36 states have internal predecessors, (69), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2025-03-09 01:36:23,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:36:23,903 INFO L225 Difference]: With dead ends: 113 [2025-03-09 01:36:23,903 INFO L226 Difference]: Without dead ends: 80 [2025-03-09 01:36:23,904 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 237 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=280, Invalid=980, Unknown=0, NotChecked=0, Total=1260 [2025-03-09 01:36:23,904 INFO L435 NwaCegarLoop]: 30 mSDtfsCounter, 9 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 01:36:23,904 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 283 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 01:36:23,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2025-03-09 01:36:23,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2025-03-09 01:36:23,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 71 states have (on average 1.1690140845070423) internal successors, (83), 76 states have internal predecessors, (83), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-09 01:36:23,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 88 transitions. [2025-03-09 01:36:23,911 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 88 transitions. Word has length 35 [2025-03-09 01:36:23,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:36:23,911 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 88 transitions. [2025-03-09 01:36:23,911 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 1.9166666666666667) internal successors, (69), 36 states have internal predecessors, (69), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:36:23,911 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 88 transitions. [2025-03-09 01:36:23,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2025-03-09 01:36:23,911 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:36:23,912 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 01:36:23,918 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-03-09 01:36:24,112 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 01:36:24,112 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting bAndErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [bAndErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bAndErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-09 01:36:24,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:36:24,113 INFO L85 PathProgramCache]: Analyzing trace with hash -1826446250, now seen corresponding path program 1 times [2025-03-09 01:36:24,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:36:24,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949591802] [2025-03-09 01:36:24,113 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:36:24,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:36:24,129 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-03-09 01:36:24,142 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-03-09 01:36:24,143 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:36:24,143 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:36:24,194 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2025-03-09 01:36:24,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:36:24,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949591802] [2025-03-09 01:36:24,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949591802] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 01:36:24,194 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 01:36:24,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 01:36:24,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955732340] [2025-03-09 01:36:24,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 01:36:24,194 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 01:36:24,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:36:24,194 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 01:36:24,195 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 01:36:24,195 INFO L87 Difference]: Start difference. First operand 80 states and 88 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:36:24,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:36:24,207 INFO L93 Difference]: Finished difference Result 80 states and 88 transitions. [2025-03-09 01:36:24,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 01:36:24,208 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2025-03-09 01:36:24,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:36:24,209 INFO L225 Difference]: With dead ends: 80 [2025-03-09 01:36:24,209 INFO L226 Difference]: Without dead ends: 78 [2025-03-09 01:36:24,210 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 01:36:24,210 INFO L435 NwaCegarLoop]: 30 mSDtfsCounter, 4 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 01:36:24,210 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 84 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 01:36:24,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2025-03-09 01:36:24,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 72. [2025-03-09 01:36:24,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 65 states have (on average 1.123076923076923) internal successors, (73), 68 states have internal predecessors, (73), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-09 01:36:24,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 77 transitions. [2025-03-09 01:36:24,217 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 77 transitions. Word has length 60 [2025-03-09 01:36:24,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:36:24,217 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 77 transitions. [2025-03-09 01:36:24,217 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:36:24,217 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 77 transitions. [2025-03-09 01:36:24,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2025-03-09 01:36:24,218 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:36:24,218 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 01:36:24,221 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-09 01:36:24,222 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [bAndErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bAndErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-09 01:36:24,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:36:24,222 INFO L85 PathProgramCache]: Analyzing trace with hash 1803768442, now seen corresponding path program 1 times [2025-03-09 01:36:24,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:36:24,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036734645] [2025-03-09 01:36:24,222 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:36:24,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:36:24,235 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-03-09 01:36:24,251 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-03-09 01:36:24,251 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:36:24,252 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:36:24,343 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 332 trivial. 0 not checked. [2025-03-09 01:36:24,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:36:24,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036734645] [2025-03-09 01:36:24,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036734645] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 01:36:24,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1662002622] [2025-03-09 01:36:24,343 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:36:24,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 01:36:24,344 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 01:36:24,345 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 01:36:24,347 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-09 01:36:24,408 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-03-09 01:36:24,438 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-03-09 01:36:24,438 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:36:24,438 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:36:24,439 INFO L256 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-09 01:36:24,441 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 01:36:24,453 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2025-03-09 01:36:24,453 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 01:36:24,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1662002622] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 01:36:24,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 01:36:24,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2025-03-09 01:36:24,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461692512] [2025-03-09 01:36:24,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 01:36:24,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 01:36:24,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:36:24,454 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 01:36:24,454 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-09 01:36:24,454 INFO L87 Difference]: Start difference. First operand 72 states and 77 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-09 01:36:24,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:36:24,467 INFO L93 Difference]: Finished difference Result 76 states and 82 transitions. [2025-03-09 01:36:24,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 01:36:24,467 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 72 [2025-03-09 01:36:24,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:36:24,467 INFO L225 Difference]: With dead ends: 76 [2025-03-09 01:36:24,467 INFO L226 Difference]: Without dead ends: 75 [2025-03-09 01:36:24,468 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-09 01:36:24,468 INFO L435 NwaCegarLoop]: 28 mSDtfsCounter, 1 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 01:36:24,468 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 52 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 01:36:24,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2025-03-09 01:36:24,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 74. [2025-03-09 01:36:24,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 67 states have (on average 1.1194029850746268) internal successors, (75), 70 states have internal predecessors, (75), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-09 01:36:24,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 79 transitions. [2025-03-09 01:36:24,476 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 79 transitions. Word has length 72 [2025-03-09 01:36:24,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:36:24,477 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 79 transitions. [2025-03-09 01:36:24,477 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-09 01:36:24,477 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 79 transitions. [2025-03-09 01:36:24,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2025-03-09 01:36:24,480 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:36:24,480 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 01:36:24,487 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-03-09 01:36:24,680 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2025-03-09 01:36:24,681 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [bAndErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bAndErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-09 01:36:24,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:36:24,681 INFO L85 PathProgramCache]: Analyzing trace with hash 82246855, now seen corresponding path program 1 times [2025-03-09 01:36:24,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:36:24,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521664992] [2025-03-09 01:36:24,681 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:36:24,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:36:24,692 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 73 statements into 1 equivalence classes. [2025-03-09 01:36:24,698 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-03-09 01:36:24,699 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:36:24,699 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:36:24,765 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 332 trivial. 0 not checked. [2025-03-09 01:36:24,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:36:24,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521664992] [2025-03-09 01:36:24,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521664992] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 01:36:24,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [235150491] [2025-03-09 01:36:24,765 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:36:24,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 01:36:24,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 01:36:24,767 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 01:36:24,768 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-03-09 01:36:24,814 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 73 statements into 1 equivalence classes. [2025-03-09 01:36:24,845 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-03-09 01:36:24,845 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:36:24,845 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:36:24,846 INFO L256 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-09 01:36:24,849 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 01:36:24,861 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2025-03-09 01:36:24,861 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 01:36:24,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [235150491] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 01:36:24,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 01:36:24,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2025-03-09 01:36:24,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597274833] [2025-03-09 01:36:24,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 01:36:24,862 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 01:36:24,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:36:24,862 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 01:36:24,862 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-09 01:36:24,862 INFO L87 Difference]: Start difference. First operand 74 states and 79 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-09 01:36:24,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:36:24,879 INFO L93 Difference]: Finished difference Result 76 states and 81 transitions. [2025-03-09 01:36:24,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 01:36:24,879 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 73 [2025-03-09 01:36:24,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:36:24,879 INFO L225 Difference]: With dead ends: 76 [2025-03-09 01:36:24,879 INFO L226 Difference]: Without dead ends: 75 [2025-03-09 01:36:24,880 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-09 01:36:24,880 INFO L435 NwaCegarLoop]: 29 mSDtfsCounter, 0 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 01:36:24,880 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 53 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 01:36:24,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2025-03-09 01:36:24,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2025-03-09 01:36:24,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 68 states have (on average 1.1176470588235294) internal successors, (76), 71 states have internal predecessors, (76), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-09 01:36:24,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 80 transitions. [2025-03-09 01:36:24,887 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 80 transitions. Word has length 73 [2025-03-09 01:36:24,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:36:24,887 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 80 transitions. [2025-03-09 01:36:24,887 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-09 01:36:24,887 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 80 transitions. [2025-03-09 01:36:24,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2025-03-09 01:36:24,888 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:36:24,888 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 01:36:24,894 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-03-09 01:36:25,088 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 01:36:25,089 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [bAndErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bAndErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-09 01:36:25,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:36:25,089 INFO L85 PathProgramCache]: Analyzing trace with hash -1745314792, now seen corresponding path program 1 times [2025-03-09 01:36:25,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:36:25,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025978122] [2025-03-09 01:36:25,089 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:36:25,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:36:25,099 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-03-09 01:36:25,109 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-03-09 01:36:25,109 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:36:25,110 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:36:25,195 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 332 trivial. 0 not checked. [2025-03-09 01:36:25,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:36:25,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025978122] [2025-03-09 01:36:25,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025978122] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 01:36:25,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1055600322] [2025-03-09 01:36:25,195 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:36:25,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 01:36:25,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 01:36:25,197 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 01:36:25,198 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-03-09 01:36:25,246 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-03-09 01:36:25,276 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-03-09 01:36:25,277 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:36:25,277 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:36:25,278 INFO L256 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 32 conjuncts are in the unsatisfiable core [2025-03-09 01:36:25,280 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 01:36:25,675 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 0 proven. 330 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2025-03-09 01:36:25,676 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 01:36:26,498 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 0 proven. 330 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2025-03-09 01:36:26,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1055600322] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 01:36:26,499 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 01:36:26,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 33, 33] total 67 [2025-03-09 01:36:26,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927352105] [2025-03-09 01:36:26,499 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 01:36:26,499 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2025-03-09 01:36:26,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:36:26,500 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2025-03-09 01:36:26,501 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1063, Invalid=3359, Unknown=0, NotChecked=0, Total=4422 [2025-03-09 01:36:26,502 INFO L87 Difference]: Start difference. First operand 75 states and 80 transitions. Second operand has 67 states, 67 states have (on average 1.9253731343283582) internal successors, (129), 67 states have internal predecessors, (129), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2025-03-09 01:36:26,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:36:26,661 INFO L93 Difference]: Finished difference Result 161 states and 193 transitions. [2025-03-09 01:36:26,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2025-03-09 01:36:26,662 INFO L78 Accepts]: Start accepts. Automaton has has 67 states, 67 states have (on average 1.9253731343283582) internal successors, (129), 67 states have internal predecessors, (129), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) Word has length 74 [2025-03-09 01:36:26,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:36:26,663 INFO L225 Difference]: With dead ends: 161 [2025-03-09 01:36:26,663 INFO L226 Difference]: Without dead ends: 134 [2025-03-09 01:36:26,664 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1171 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1063, Invalid=3359, Unknown=0, NotChecked=0, Total=4422 [2025-03-09 01:36:26,665 INFO L435 NwaCegarLoop]: 25 mSDtfsCounter, 14 mSDsluCounter, 431 mSDsCounter, 0 mSdLazyCounter, 237 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 456 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 01:36:26,665 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 456 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 237 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 01:36:26,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2025-03-09 01:36:26,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 130. [2025-03-09 01:36:26,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 123 states have (on average 1.08130081300813) internal successors, (133), 126 states have internal predecessors, (133), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-09 01:36:26,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 137 transitions. [2025-03-09 01:36:26,684 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 137 transitions. Word has length 74 [2025-03-09 01:36:26,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:36:26,685 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 137 transitions. [2025-03-09 01:36:26,685 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 67 states have (on average 1.9253731343283582) internal successors, (129), 67 states have internal predecessors, (129), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2025-03-09 01:36:26,685 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 137 transitions. [2025-03-09 01:36:26,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2025-03-09 01:36:26,687 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:36:26,687 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 01:36:26,694 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-03-09 01:36:26,887 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 01:36:26,888 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [bAndErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bAndErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-09 01:36:26,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:36:26,888 INFO L85 PathProgramCache]: Analyzing trace with hash 1362346152, now seen corresponding path program 2 times [2025-03-09 01:36:26,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:36:26,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145629085] [2025-03-09 01:36:26,889 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 01:36:26,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:36:26,905 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 132 statements into 2 equivalence classes. [2025-03-09 01:36:26,907 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 13 of 132 statements. [2025-03-09 01:36:26,907 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-09 01:36:26,907 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:36:26,925 INFO L134 CoverageAnalysis]: Checked inductivity of 1468 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1468 trivial. 0 not checked. [2025-03-09 01:36:26,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:36:26,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145629085] [2025-03-09 01:36:26,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [145629085] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 01:36:26,926 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 01:36:26,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 01:36:26,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299624291] [2025-03-09 01:36:26,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 01:36:26,926 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 01:36:26,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:36:26,926 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 01:36:26,926 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 01:36:26,927 INFO L87 Difference]: Start difference. First operand 130 states and 137 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-09 01:36:26,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:36:26,943 INFO L93 Difference]: Finished difference Result 130 states and 137 transitions. [2025-03-09 01:36:26,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 01:36:26,943 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 132 [2025-03-09 01:36:26,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:36:26,944 INFO L225 Difference]: With dead ends: 130 [2025-03-09 01:36:26,944 INFO L226 Difference]: Without dead ends: 128 [2025-03-09 01:36:26,944 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 01:36:26,944 INFO L435 NwaCegarLoop]: 23 mSDtfsCounter, 2 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 01:36:26,945 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 66 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 01:36:26,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2025-03-09 01:36:26,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2025-03-09 01:36:26,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 123 states have (on average 1.065040650406504) internal successors, (131), 124 states have internal predecessors, (131), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-09 01:36:26,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 135 transitions. [2025-03-09 01:36:26,952 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 135 transitions. Word has length 132 [2025-03-09 01:36:26,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:36:26,953 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 135 transitions. [2025-03-09 01:36:26,953 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-09 01:36:26,953 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 135 transitions. [2025-03-09 01:36:26,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2025-03-09 01:36:26,954 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:36:26,954 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 01:36:26,954 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-03-09 01:36:26,955 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [bAndErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bAndErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-09 01:36:26,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:36:26,955 INFO L85 PathProgramCache]: Analyzing trace with hash -716942251, now seen corresponding path program 1 times [2025-03-09 01:36:26,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:36:26,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204159034] [2025-03-09 01:36:26,955 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:36:26,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:36:26,974 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 133 statements into 1 equivalence classes. [2025-03-09 01:36:26,989 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 133 of 133 statements. [2025-03-09 01:36:26,989 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:36:26,990 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:36:27,083 INFO L134 CoverageAnalysis]: Checked inductivity of 1468 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1468 trivial. 0 not checked. [2025-03-09 01:36:27,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:36:27,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204159034] [2025-03-09 01:36:27,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204159034] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 01:36:27,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 01:36:27,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 01:36:27,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616936045] [2025-03-09 01:36:27,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 01:36:27,084 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 01:36:27,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:36:27,085 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 01:36:27,085 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 01:36:27,085 INFO L87 Difference]: Start difference. First operand 128 states and 135 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-09 01:36:27,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:36:27,102 INFO L93 Difference]: Finished difference Result 131 states and 138 transitions. [2025-03-09 01:36:27,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 01:36:27,103 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 133 [2025-03-09 01:36:27,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:36:27,103 INFO L225 Difference]: With dead ends: 131 [2025-03-09 01:36:27,103 INFO L226 Difference]: Without dead ends: 130 [2025-03-09 01:36:27,104 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 01:36:27,104 INFO L435 NwaCegarLoop]: 25 mSDtfsCounter, 0 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 01:36:27,105 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 70 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 01:36:27,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2025-03-09 01:36:27,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2025-03-09 01:36:27,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 125 states have (on average 1.064) internal successors, (133), 126 states have internal predecessors, (133), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-09 01:36:27,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 137 transitions. [2025-03-09 01:36:27,113 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 137 transitions. Word has length 133 [2025-03-09 01:36:27,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:36:27,113 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 137 transitions. [2025-03-09 01:36:27,113 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-09 01:36:27,113 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 137 transitions. [2025-03-09 01:36:27,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2025-03-09 01:36:27,114 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:36:27,114 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 01:36:27,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-03-09 01:36:27,114 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [bAndErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bAndErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-09 01:36:27,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:36:27,115 INFO L85 PathProgramCache]: Analyzing trace with hash 445768366, now seen corresponding path program 1 times [2025-03-09 01:36:27,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:36:27,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135233986] [2025-03-09 01:36:27,115 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:36:27,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:36:27,132 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 136 statements into 1 equivalence classes. [2025-03-09 01:36:27,144 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 136 of 136 statements. [2025-03-09 01:36:27,144 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:36:27,144 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:36:27,208 INFO L134 CoverageAnalysis]: Checked inductivity of 1471 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1469 trivial. 0 not checked. [2025-03-09 01:36:27,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:36:27,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135233986] [2025-03-09 01:36:27,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135233986] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 01:36:27,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 01:36:27,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 01:36:27,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828864843] [2025-03-09 01:36:27,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 01:36:27,209 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 01:36:27,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:36:27,209 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 01:36:27,209 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 01:36:27,209 INFO L87 Difference]: Start difference. First operand 130 states and 137 transitions. Second operand has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-09 01:36:27,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:36:27,218 INFO L93 Difference]: Finished difference Result 130 states and 137 transitions. [2025-03-09 01:36:27,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 01:36:27,219 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 136 [2025-03-09 01:36:27,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:36:27,220 INFO L225 Difference]: With dead ends: 130 [2025-03-09 01:36:27,220 INFO L226 Difference]: Without dead ends: 129 [2025-03-09 01:36:27,220 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 [2025-03-09 01:36:27,220 INFO L435 NwaCegarLoop]: 26 mSDtfsCounter, 0 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 01:36:27,221 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 49 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 01:36:27,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2025-03-09 01:36:27,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2025-03-09 01:36:27,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 125 states have (on average 1.056) internal successors, (132), 125 states have internal predecessors, (132), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-09 01:36:27,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 136 transitions. [2025-03-09 01:36:27,226 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 136 transitions. Word has length 136 [2025-03-09 01:36:27,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:36:27,226 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 136 transitions. [2025-03-09 01:36:27,226 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-09 01:36:27,226 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 136 transitions. [2025-03-09 01:36:27,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2025-03-09 01:36:27,227 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:36:27,227 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 01:36:27,227 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-03-09 01:36:27,227 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [bAndErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bAndErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-09 01:36:27,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:36:27,227 INFO L85 PathProgramCache]: Analyzing trace with hash -1113329908, now seen corresponding path program 1 times [2025-03-09 01:36:27,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:36:27,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577926700] [2025-03-09 01:36:27,227 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:36:27,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:36:27,242 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 138 statements into 1 equivalence classes. [2025-03-09 01:36:27,257 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 138 of 138 statements. [2025-03-09 01:36:27,257 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:36:27,257 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:36:27,329 INFO L134 CoverageAnalysis]: Checked inductivity of 1473 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1469 trivial. 0 not checked. [2025-03-09 01:36:27,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:36:27,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577926700] [2025-03-09 01:36:27,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577926700] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 01:36:27,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 01:36:27,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 01:36:27,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429340463] [2025-03-09 01:36:27,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 01:36:27,329 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 01:36:27,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:36:27,329 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 01:36:27,330 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 01:36:27,330 INFO L87 Difference]: Start difference. First operand 129 states and 136 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-09 01:36:27,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:36:27,344 INFO L93 Difference]: Finished difference Result 129 states and 136 transitions. [2025-03-09 01:36:27,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 01:36:27,344 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 138 [2025-03-09 01:36:27,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:36:27,344 INFO L225 Difference]: With dead ends: 129 [2025-03-09 01:36:27,344 INFO L226 Difference]: Without dead ends: 0 [2025-03-09 01:36:27,345 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 01:36:27,345 INFO L435 NwaCegarLoop]: 23 mSDtfsCounter, 0 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 01:36:27,345 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 66 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 01:36:27,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-03-09 01:36:27,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-03-09 01:36:27,345 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) [2025-03-09 01:36:27,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-03-09 01:36:27,346 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 138 [2025-03-09 01:36:27,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:36:27,346 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-09 01:36:27,346 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-09 01:36:27,346 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-03-09 01:36:27,346 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-03-09 01:36:27,350 INFO L782 garLoopResultBuilder]: Registering result SAFE for location bAndErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2025-03-09 01:36:27,350 INFO L782 garLoopResultBuilder]: Registering result SAFE for location bAndErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2025-03-09 01:36:27,350 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2025-03-09 01:36:27,350 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2025-03-09 01:36:27,350 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2025-03-09 01:36:27,350 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2025-03-09 01:36:27,350 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2025-03-09 01:36:27,350 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2025-03-09 01:36:27,351 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-03-09 01:36:27,353 INFO L422 BasicCegarLoop]: Path program histogram: [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 01:36:27,354 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-03-09 01:36:27,392 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-09 01:36:27,399 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.03 01:36:27 BoogieIcfgContainer [2025-03-09 01:36:27,400 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-09 01:36:27,400 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-09 01:36:27,400 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-09 01:36:27,400 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-09 01:36:27,401 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 01:36:21" (3/4) ... [2025-03-09 01:36:27,402 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-09 01:36:27,406 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure bAnd [2025-03-09 01:36:27,408 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2025-03-09 01:36:27,408 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2025-03-09 01:36:27,408 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-03-09 01:36:27,408 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-09 01:36:27,408 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-09 01:36:27,473 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-09 01:36:27,474 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-09 01:36:27,474 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-09 01:36:27,475 INFO L158 Benchmark]: Toolchain (without parser) took 6851.61ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 112.6MB in the beginning and 54.9MB in the end (delta: 57.7MB). Peak memory consumption was 86.7MB. Max. memory is 16.1GB. [2025-03-09 01:36:27,475 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 201.3MB. Free memory is still 123.8MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 01:36:27,475 INFO L158 Benchmark]: CACSL2BoogieTranslator took 172.13ms. Allocated memory is still 142.6MB. Free memory was 112.6MB in the beginning and 101.6MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-09 01:36:27,476 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.38ms. Allocated memory is still 142.6MB. Free memory was 101.2MB in the beginning and 100.3MB in the end (delta: 901.0kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 01:36:27,476 INFO L158 Benchmark]: Boogie Preprocessor took 24.62ms. Allocated memory is still 142.6MB. Free memory was 100.3MB in the beginning and 98.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 01:36:27,476 INFO L158 Benchmark]: IcfgBuilder took 254.12ms. Allocated memory is still 142.6MB. Free memory was 98.4MB in the beginning and 83.7MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-09 01:36:27,476 INFO L158 Benchmark]: TraceAbstraction took 6297.88ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 82.8MB in the beginning and 60.2MB in the end (delta: 22.6MB). Peak memory consumption was 61.6MB. Max. memory is 16.1GB. [2025-03-09 01:36:27,477 INFO L158 Benchmark]: Witness Printer took 74.18ms. Allocated memory is still 176.2MB. Free memory was 60.2MB in the beginning and 54.9MB in the end (delta: 5.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 01:36:27,478 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 123.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 172.13ms. Allocated memory is still 142.6MB. Free memory was 112.6MB in the beginning and 101.6MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.38ms. Allocated memory is still 142.6MB. Free memory was 101.2MB in the beginning and 100.3MB in the end (delta: 901.0kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.62ms. Allocated memory is still 142.6MB. Free memory was 100.3MB in the beginning and 98.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 254.12ms. Allocated memory is still 142.6MB. Free memory was 98.4MB in the beginning and 83.7MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 6297.88ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 82.8MB in the beginning and 60.2MB in the end (delta: 22.6MB). Peak memory consumption was 61.6MB. Max. memory is 16.1GB. * Witness Printer took 74.18ms. Allocated memory is still 176.2MB. Free memory was 60.2MB in the beginning and 54.9MB in the end (delta: 5.3MB). 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: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: 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 2 procedures, 41 locations, 52 edges, 8 error locations. Started 1 CEGAR loops. OverallTime: 6.2s, OverallIterations: 16, TraceHistogramMax: 31, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 41 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 41 mSDsluCounter, 2051 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1575 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 692 IncrementalHoareTripleChecker+Invalid, 702 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 476 mSDtfsCounter, 692 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 493 GetRequests, 340 SyntacticMatches, 0 SemanticMatches, 153 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1507 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=130occurred in iteration=12, InterpolantAutomatonStates: 169, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 16 MinimizatonAttempts, 14 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 1240 NumberOfCodeBlocks, 1112 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 1357 ConstructedInterpolants, 0 QuantifiedInterpolants, 1861 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1468 ConjunctsInSsa, 69 ConjunctsInUnsatCore, 27 InterpolantComputations, 12 PerfectInterpolantSequences, 8042/8920 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 8 specifications checked. All of them hold - InvariantResult [Line: 23]: Location Invariant Derived location invariant: ((1 < i) || (i == 1)) - InvariantResult [Line: 46]: Location Invariant Derived location invariant: (0 < (2147483650 + i)) - InvariantResult [Line: 37]: Location Invariant Derived location invariant: ((i == 0) || (0 < i)) RESULT: Ultimate proved your program to be correct! [2025-03-09 01:36:27,502 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE