./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/array-memsafety/cstrpbrk-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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_1.5.800.v20200727-1323.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-memsafety/cstrpbrk-alloca-2.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 4f4570e8b350d1c6ecce62e4659f1c324ac9794563382f5f25c3525057748138 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 03:50:57,641 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 03:50:57,714 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-17 03:50:57,717 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 03:50:57,718 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 03:50:57,737 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 03:50:57,738 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 03:50:57,738 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 03:50:57,739 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 03:50:57,739 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 03:50:57,739 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 03:50:57,740 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 03:50:57,740 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 03:50:57,741 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 03:50:57,741 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 03:50:57,741 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 03:50:57,742 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 03:50:57,742 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 03:50:57,742 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 03:50:57,743 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 03:50:57,745 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 03:50:57,745 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 03:50:57,745 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 03:50:57,746 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 03:50:57,746 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 03:50:57,746 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 03:50:57,747 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 03:50:57,747 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 03:50:57,747 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 03:50:57,748 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 03:50:57,748 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 03:50:57,752 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 03:50:57,753 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 03:50:57,753 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 03:50:57,753 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 03:50:57,754 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 03:50:57,754 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 03:50:57,754 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 03:50:57,754 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 03:50:57,755 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 03:50:57,755 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 03:50:57,757 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 03:50:57,757 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 03:50:57,758 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 03:50:57,758 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f4570e8b350d1c6ecce62e4659f1c324ac9794563382f5f25c3525057748138 [2024-11-17 03:50:58,025 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 03:50:58,050 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 03:50:58,054 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 03:50:58,056 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 03:50:58,056 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 03:50:58,057 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/cstrpbrk-alloca-2.i [2024-11-17 03:50:59,592 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 03:50:59,871 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 03:50:59,874 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/cstrpbrk-alloca-2.i [2024-11-17 03:50:59,892 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1066f3d3/e3c81455163e43289a45ad61bdeaf021/FLAG5b2ed8d82 [2024-11-17 03:50:59,908 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1066f3d3/e3c81455163e43289a45ad61bdeaf021 [2024-11-17 03:50:59,912 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 03:50:59,914 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 03:50:59,915 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 03:50:59,917 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 03:50:59,922 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 03:50:59,923 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 03:50:59" (1/1) ... [2024-11-17 03:50:59,924 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@472c65c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:50:59, skipping insertion in model container [2024-11-17 03:50:59,924 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 03:50:59" (1/1) ... [2024-11-17 03:50:59,969 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 03:51:00,299 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 03:51:00,308 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 03:51:00,354 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 03:51:00,384 INFO L204 MainTranslator]: Completed translation [2024-11-17 03:51:00,385 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:51:00 WrapperNode [2024-11-17 03:51:00,385 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 03:51:00,386 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 03:51:00,386 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 03:51:00,386 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 03:51:00,393 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:51:00" (1/1) ... [2024-11-17 03:51:00,405 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:51:00" (1/1) ... [2024-11-17 03:51:00,429 INFO L138 Inliner]: procedures = 117, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 113 [2024-11-17 03:51:00,429 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 03:51:00,430 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 03:51:00,430 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 03:51:00,430 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 03:51:00,442 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:51:00" (1/1) ... [2024-11-17 03:51:00,442 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:51:00" (1/1) ... [2024-11-17 03:51:00,445 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:51:00" (1/1) ... [2024-11-17 03:51:00,461 INFO L175 MemorySlicer]: Split 9 memory accesses to 2 slices as follows [4, 5]. 56 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0]. The 4 writes are split as follows [2, 2]. [2024-11-17 03:51:00,461 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:51:00" (1/1) ... [2024-11-17 03:51:00,461 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:51:00" (1/1) ... [2024-11-17 03:51:00,466 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:51:00" (1/1) ... [2024-11-17 03:51:00,467 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:51:00" (1/1) ... [2024-11-17 03:51:00,468 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:51:00" (1/1) ... [2024-11-17 03:51:00,469 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:51:00" (1/1) ... [2024-11-17 03:51:00,471 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 03:51:00,472 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 03:51:00,472 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 03:51:00,472 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 03:51:00,473 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:51:00" (1/1) ... [2024-11-17 03:51:00,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 03:51:00,494 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:51:00,511 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) [2024-11-17 03:51:00,517 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 [2024-11-17 03:51:00,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-17 03:51:00,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-17 03:51:00,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-17 03:51:00,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-17 03:51:00,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-17 03:51:00,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-17 03:51:00,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 03:51:00,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 03:51:00,694 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 03:51:00,697 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 03:51:00,921 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L538: call ULTIMATE.dealloc(main_#t~malloc12#1.base, main_#t~malloc12#1.offset);havoc main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call ULTIMATE.dealloc(main_#t~malloc13#1.base, main_#t~malloc13#1.offset);havoc main_#t~malloc13#1.base, main_#t~malloc13#1.offset; [2024-11-17 03:51:00,945 INFO L? ?]: Removed 46 outVars from TransFormulas that were not future-live. [2024-11-17 03:51:00,946 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 03:51:00,962 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 03:51:00,962 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 03:51:00,962 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 03:51:00 BoogieIcfgContainer [2024-11-17 03:51:00,963 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 03:51:00,966 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 03:51:00,966 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 03:51:00,969 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 03:51:00,970 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 03:50:59" (1/3) ... [2024-11-17 03:51:00,971 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3df56940 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 03:51:00, skipping insertion in model container [2024-11-17 03:51:00,971 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:51:00" (2/3) ... [2024-11-17 03:51:00,973 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3df56940 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 03:51:00, skipping insertion in model container [2024-11-17 03:51:00,973 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 03:51:00" (3/3) ... [2024-11-17 03:51:00,977 INFO L112 eAbstractionObserver]: Analyzing ICFG cstrpbrk-alloca-2.i [2024-11-17 03:51:00,994 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 03:51:00,994 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2024-11-17 03:51:01,063 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 03:51:01,070 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;@2c8aab16, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 03:51:01,070 INFO L334 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2024-11-17 03:51:01,074 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 38 states have (on average 1.631578947368421) internal successors, (62), 50 states have internal predecessors, (62), 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) [2024-11-17 03:51:01,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-17 03:51:01,078 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:51:01,079 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:51:01,079 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-17 03:51:01,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:51:01,085 INFO L85 PathProgramCache]: Analyzing trace with hash 856227045, now seen corresponding path program 1 times [2024-11-17 03:51:01,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:51:01,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674444961] [2024-11-17 03:51:01,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:51:01,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:51:01,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:51:01,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:51:01,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:51:01,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674444961] [2024-11-17 03:51:01,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674444961] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:51:01,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:51:01,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 03:51:01,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636250936] [2024-11-17 03:51:01,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:51:01,318 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 03:51:01,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:51:01,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 03:51:01,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 03:51:01,349 INFO L87 Difference]: Start difference. First operand has 51 states, 38 states have (on average 1.631578947368421) internal successors, (62), 50 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:51:01,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:51:01,401 INFO L93 Difference]: Finished difference Result 85 states and 104 transitions. [2024-11-17 03:51:01,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 03:51:01,404 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-17 03:51:01,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:51:01,434 INFO L225 Difference]: With dead ends: 85 [2024-11-17 03:51:01,437 INFO L226 Difference]: Without dead ends: 36 [2024-11-17 03:51:01,440 INFO L431 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 [2024-11-17 03:51:01,451 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 26 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:51:01,452 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 66 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:51:01,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2024-11-17 03:51:01,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2024-11-17 03:51:01,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 26 states have (on average 1.5) internal successors, (39), 35 states have internal predecessors, (39), 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) [2024-11-17 03:51:01,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 39 transitions. [2024-11-17 03:51:01,494 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 39 transitions. Word has length 7 [2024-11-17 03:51:01,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:51:01,495 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 39 transitions. [2024-11-17 03:51:01,495 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:51:01,495 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 39 transitions. [2024-11-17 03:51:01,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-17 03:51:01,495 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:51:01,496 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:51:01,496 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 03:51:01,496 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-17 03:51:01,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:51:01,497 INFO L85 PathProgramCache]: Analyzing trace with hash 773234651, now seen corresponding path program 1 times [2024-11-17 03:51:01,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:51:01,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186607010] [2024-11-17 03:51:01,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:51:01,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:51:01,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:51:01,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:51:01,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:51:01,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186607010] [2024-11-17 03:51:01,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186607010] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:51:01,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:51:01,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 03:51:01,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935223745] [2024-11-17 03:51:01,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:51:01,593 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 03:51:01,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:51:01,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 03:51:01,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 03:51:01,597 INFO L87 Difference]: Start difference. First operand 36 states and 39 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) [2024-11-17 03:51:01,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:51:01,657 INFO L93 Difference]: Finished difference Result 65 states and 71 transitions. [2024-11-17 03:51:01,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 03:51:01,661 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 [2024-11-17 03:51:01,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:51:01,662 INFO L225 Difference]: With dead ends: 65 [2024-11-17 03:51:01,662 INFO L226 Difference]: Without dead ends: 63 [2024-11-17 03:51:01,662 INFO L431 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 [2024-11-17 03:51:01,667 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 25 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 03:51:01,668 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 57 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 03:51:01,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-11-17 03:51:01,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 56. [2024-11-17 03:51:01,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 46 states have (on average 1.4782608695652173) internal successors, (68), 55 states have internal predecessors, (68), 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) [2024-11-17 03:51:01,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 68 transitions. [2024-11-17 03:51:01,683 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 68 transitions. Word has length 8 [2024-11-17 03:51:01,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:51:01,683 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 68 transitions. [2024-11-17 03:51:01,683 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) [2024-11-17 03:51:01,683 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 68 transitions. [2024-11-17 03:51:01,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-17 03:51:01,684 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:51:01,684 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:51:01,684 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-17 03:51:01,685 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-17 03:51:01,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:51:01,686 INFO L85 PathProgramCache]: Analyzing trace with hash 801863802, now seen corresponding path program 1 times [2024-11-17 03:51:01,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:51:01,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431730611] [2024-11-17 03:51:01,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:51:01,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:51:01,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:51:01,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:51:01,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:51:01,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431730611] [2024-11-17 03:51:01,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431730611] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:51:01,754 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:51:01,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 03:51:01,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068543074] [2024-11-17 03:51:01,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:51:01,754 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 03:51:01,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:51:01,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 03:51:01,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 03:51:01,755 INFO L87 Difference]: Start difference. First operand 56 states and 68 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) [2024-11-17 03:51:01,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:51:01,788 INFO L93 Difference]: Finished difference Result 56 states and 68 transitions. [2024-11-17 03:51:01,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 03:51:01,788 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 [2024-11-17 03:51:01,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:51:01,790 INFO L225 Difference]: With dead ends: 56 [2024-11-17 03:51:01,791 INFO L226 Difference]: Without dead ends: 54 [2024-11-17 03:51:01,791 INFO L431 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 [2024-11-17 03:51:01,793 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 25 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:51:01,797 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 31 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:51:01,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-11-17 03:51:01,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 34. [2024-11-17 03:51:01,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 26 states have (on average 1.4230769230769231) internal successors, (37), 33 states have internal predecessors, (37), 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) [2024-11-17 03:51:01,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 37 transitions. [2024-11-17 03:51:01,804 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 37 transitions. Word has length 8 [2024-11-17 03:51:01,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:51:01,804 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 37 transitions. [2024-11-17 03:51:01,805 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) [2024-11-17 03:51:01,805 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 37 transitions. [2024-11-17 03:51:01,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-17 03:51:01,805 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:51:01,805 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:51:01,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-17 03:51:01,806 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-17 03:51:01,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:51:01,807 INFO L85 PathProgramCache]: Analyzing trace with hash 49158390, now seen corresponding path program 1 times [2024-11-17 03:51:01,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:51:01,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629427218] [2024-11-17 03:51:01,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:51:01,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:51:01,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:51:01,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:51:01,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:51:01,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629427218] [2024-11-17 03:51:01,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629427218] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:51:01,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:51:01,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 03:51:01,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941265799] [2024-11-17 03:51:01,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:51:01,956 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 03:51:01,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:51:01,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 03:51:01,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:51:01,957 INFO L87 Difference]: Start difference. First operand 34 states and 37 transitions. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:51:01,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:51:02,000 INFO L93 Difference]: Finished difference Result 85 states and 92 transitions. [2024-11-17 03:51:02,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 03:51:02,000 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-11-17 03:51:02,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:51:02,001 INFO L225 Difference]: With dead ends: 85 [2024-11-17 03:51:02,001 INFO L226 Difference]: Without dead ends: 56 [2024-11-17 03:51:02,001 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:51:02,003 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 18 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:51:02,003 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 80 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:51:02,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-11-17 03:51:02,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 40. [2024-11-17 03:51:02,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 32 states have (on average 1.375) internal successors, (44), 39 states have internal predecessors, (44), 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) [2024-11-17 03:51:02,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 44 transitions. [2024-11-17 03:51:02,008 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 44 transitions. Word has length 10 [2024-11-17 03:51:02,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:51:02,009 INFO L471 AbstractCegarLoop]: Abstraction has 40 states and 44 transitions. [2024-11-17 03:51:02,009 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:51:02,009 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 44 transitions. [2024-11-17 03:51:02,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-17 03:51:02,009 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:51:02,010 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:51:02,010 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-17 03:51:02,010 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-17 03:51:02,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:51:02,011 INFO L85 PathProgramCache]: Analyzing trace with hash 1791968725, now seen corresponding path program 1 times [2024-11-17 03:51:02,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:51:02,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467049811] [2024-11-17 03:51:02,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:51:02,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:51:02,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:51:02,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:51:02,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:51:02,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467049811] [2024-11-17 03:51:02,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467049811] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:51:02,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:51:02,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 03:51:02,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767892031] [2024-11-17 03:51:02,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:51:02,098 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 03:51:02,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:51:02,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 03:51:02,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:51:02,099 INFO L87 Difference]: Start difference. First operand 40 states and 44 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:51:02,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:51:02,137 INFO L93 Difference]: Finished difference Result 49 states and 54 transitions. [2024-11-17 03:51:02,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 03:51:02,137 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-11-17 03:51:02,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:51:02,139 INFO L225 Difference]: With dead ends: 49 [2024-11-17 03:51:02,139 INFO L226 Difference]: Without dead ends: 47 [2024-11-17 03:51:02,139 INFO L431 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 [2024-11-17 03:51:02,140 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 2 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 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 [2024-11-17 03:51:02,140 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 90 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:51:02,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2024-11-17 03:51:02,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 46. [2024-11-17 03:51:02,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 38 states have (on average 1.3421052631578947) internal successors, (51), 45 states have internal predecessors, (51), 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) [2024-11-17 03:51:02,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 51 transitions. [2024-11-17 03:51:02,154 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 51 transitions. Word has length 10 [2024-11-17 03:51:02,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:51:02,154 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 51 transitions. [2024-11-17 03:51:02,154 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:51:02,154 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 51 transitions. [2024-11-17 03:51:02,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-17 03:51:02,155 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:51:02,155 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:51:02,155 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-17 03:51:02,155 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-17 03:51:02,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:51:02,155 INFO L85 PathProgramCache]: Analyzing trace with hash -3490254, now seen corresponding path program 1 times [2024-11-17 03:51:02,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:51:02,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909021148] [2024-11-17 03:51:02,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:51:02,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:51:02,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:51:02,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:51:02,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:51:02,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909021148] [2024-11-17 03:51:02,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909021148] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:51:02,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:51:02,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 03:51:02,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124816026] [2024-11-17 03:51:02,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:51:02,195 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 03:51:02,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:51:02,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 03:51:02,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 03:51:02,196 INFO L87 Difference]: Start difference. First operand 46 states and 51 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:51:02,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:51:02,231 INFO L93 Difference]: Finished difference Result 46 states and 51 transitions. [2024-11-17 03:51:02,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 03:51:02,232 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-11-17 03:51:02,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:51:02,232 INFO L225 Difference]: With dead ends: 46 [2024-11-17 03:51:02,233 INFO L226 Difference]: Without dead ends: 44 [2024-11-17 03:51:02,233 INFO L431 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 [2024-11-17 03:51:02,234 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 20 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:51:02,234 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 30 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:51:02,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2024-11-17 03:51:02,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2024-11-17 03:51:02,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 38 states have (on average 1.2894736842105263) internal successors, (49), 43 states have internal predecessors, (49), 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) [2024-11-17 03:51:02,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 49 transitions. [2024-11-17 03:51:02,245 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 49 transitions. Word has length 12 [2024-11-17 03:51:02,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:51:02,245 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 49 transitions. [2024-11-17 03:51:02,245 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:51:02,247 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 49 transitions. [2024-11-17 03:51:02,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-17 03:51:02,248 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:51:02,248 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:51:02,248 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-17 03:51:02,248 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-17 03:51:02,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:51:02,249 INFO L85 PathProgramCache]: Analyzing trace with hash -108197858, now seen corresponding path program 1 times [2024-11-17 03:51:02,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:51:02,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823149300] [2024-11-17 03:51:02,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:51:02,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:51:02,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:51:02,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:51:02,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:51:02,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823149300] [2024-11-17 03:51:02,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823149300] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:51:02,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:51:02,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 03:51:02,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440313356] [2024-11-17 03:51:02,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:51:02,299 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 03:51:02,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:51:02,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 03:51:02,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 03:51:02,300 INFO L87 Difference]: Start difference. First operand 44 states and 49 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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) [2024-11-17 03:51:02,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:51:02,333 INFO L93 Difference]: Finished difference Result 83 states and 90 transitions. [2024-11-17 03:51:02,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 03:51:02,333 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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 13 [2024-11-17 03:51:02,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:51:02,334 INFO L225 Difference]: With dead ends: 83 [2024-11-17 03:51:02,334 INFO L226 Difference]: Without dead ends: 75 [2024-11-17 03:51:02,335 INFO L431 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 [2024-11-17 03:51:02,336 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 19 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 53 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 [2024-11-17 03:51:02,336 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 53 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:51:02,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2024-11-17 03:51:02,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 71. [2024-11-17 03:51:02,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 65 states have (on average 1.2615384615384615) internal successors, (82), 70 states have internal predecessors, (82), 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) [2024-11-17 03:51:02,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 82 transitions. [2024-11-17 03:51:02,343 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 82 transitions. Word has length 13 [2024-11-17 03:51:02,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:51:02,343 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 82 transitions. [2024-11-17 03:51:02,344 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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) [2024-11-17 03:51:02,344 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 82 transitions. [2024-11-17 03:51:02,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-17 03:51:02,344 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:51:02,345 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:51:02,345 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-17 03:51:02,345 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-17 03:51:02,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:51:02,345 INFO L85 PathProgramCache]: Analyzing trace with hash -304711363, now seen corresponding path program 1 times [2024-11-17 03:51:02,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:51:02,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158656188] [2024-11-17 03:51:02,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:51:02,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:51:02,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:51:02,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:51:02,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:51:02,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158656188] [2024-11-17 03:51:02,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158656188] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:51:02,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:51:02,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 03:51:02,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650509194] [2024-11-17 03:51:02,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:51:02,384 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 03:51:02,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:51:02,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 03:51:02,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 03:51:02,385 INFO L87 Difference]: Start difference. First operand 71 states and 82 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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) [2024-11-17 03:51:02,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:51:02,415 INFO L93 Difference]: Finished difference Result 71 states and 82 transitions. [2024-11-17 03:51:02,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 03:51:02,416 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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 13 [2024-11-17 03:51:02,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:51:02,416 INFO L225 Difference]: With dead ends: 71 [2024-11-17 03:51:02,417 INFO L226 Difference]: Without dead ends: 63 [2024-11-17 03:51:02,417 INFO L431 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 [2024-11-17 03:51:02,418 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 20 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:51:02,418 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 26 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:51:02,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-11-17 03:51:02,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 36. [2024-11-17 03:51:02,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 32 states have (on average 1.28125) internal successors, (41), 35 states have internal predecessors, (41), 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) [2024-11-17 03:51:02,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 41 transitions. [2024-11-17 03:51:02,426 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 41 transitions. Word has length 13 [2024-11-17 03:51:02,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:51:02,426 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 41 transitions. [2024-11-17 03:51:02,426 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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) [2024-11-17 03:51:02,426 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 41 transitions. [2024-11-17 03:51:02,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-17 03:51:02,427 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:51:02,427 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:51:02,427 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-17 03:51:02,427 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-17 03:51:02,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:51:02,428 INFO L85 PathProgramCache]: Analyzing trace with hash -898925959, now seen corresponding path program 1 times [2024-11-17 03:51:02,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:51:02,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574786165] [2024-11-17 03:51:02,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:51:02,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:51:02,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:51:02,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:51:02,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:51:02,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574786165] [2024-11-17 03:51:02,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574786165] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:51:02,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:51:02,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 03:51:02,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099288563] [2024-11-17 03:51:02,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:51:02,481 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 03:51:02,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:51:02,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 03:51:02,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:51:02,481 INFO L87 Difference]: Start difference. First operand 36 states and 41 transitions. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:51:02,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:51:02,507 INFO L93 Difference]: Finished difference Result 71 states and 78 transitions. [2024-11-17 03:51:02,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 03:51:02,507 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-11-17 03:51:02,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:51:02,508 INFO L225 Difference]: With dead ends: 71 [2024-11-17 03:51:02,508 INFO L226 Difference]: Without dead ends: 52 [2024-11-17 03:51:02,509 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:51:02,509 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 6 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 62 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 [2024-11-17 03:51:02,510 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 62 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:51:02,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-11-17 03:51:02,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 50. [2024-11-17 03:51:02,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 46 states have (on average 1.2173913043478262) internal successors, (56), 49 states have internal predecessors, (56), 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) [2024-11-17 03:51:02,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 56 transitions. [2024-11-17 03:51:02,515 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 56 transitions. Word has length 15 [2024-11-17 03:51:02,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:51:02,515 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 56 transitions. [2024-11-17 03:51:02,515 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:51:02,515 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 56 transitions. [2024-11-17 03:51:02,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-17 03:51:02,516 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:51:02,516 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:51:02,516 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-17 03:51:02,517 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-17 03:51:02,517 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:51:02,517 INFO L85 PathProgramCache]: Analyzing trace with hash -769843240, now seen corresponding path program 1 times [2024-11-17 03:51:02,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:51:02,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909741315] [2024-11-17 03:51:02,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:51:02,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:51:02,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:51:02,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:51:02,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:51:02,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909741315] [2024-11-17 03:51:02,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909741315] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:51:02,588 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:51:02,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 03:51:02,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171375929] [2024-11-17 03:51:02,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:51:02,588 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 03:51:02,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:51:02,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 03:51:02,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:51:02,589 INFO L87 Difference]: Start difference. First operand 50 states and 56 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:51:02,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:51:02,610 INFO L93 Difference]: Finished difference Result 59 states and 65 transitions. [2024-11-17 03:51:02,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 03:51:02,611 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-11-17 03:51:02,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:51:02,611 INFO L225 Difference]: With dead ends: 59 [2024-11-17 03:51:02,611 INFO L226 Difference]: Without dead ends: 57 [2024-11-17 03:51:02,612 INFO L431 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 [2024-11-17 03:51:02,612 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 2 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 64 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 [2024-11-17 03:51:02,613 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 64 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:51:02,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2024-11-17 03:51:02,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 56. [2024-11-17 03:51:02,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 52 states have (on average 1.1923076923076923) internal successors, (62), 55 states have internal predecessors, (62), 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) [2024-11-17 03:51:02,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 62 transitions. [2024-11-17 03:51:02,622 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 62 transitions. Word has length 15 [2024-11-17 03:51:02,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:51:02,622 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 62 transitions. [2024-11-17 03:51:02,623 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:51:02,623 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 62 transitions. [2024-11-17 03:51:02,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-17 03:51:02,623 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:51:02,623 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:51:02,624 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-17 03:51:02,624 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-17 03:51:02,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:51:02,624 INFO L85 PathProgramCache]: Analyzing trace with hash -593251415, now seen corresponding path program 1 times [2024-11-17 03:51:02,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:51:02,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16735537] [2024-11-17 03:51:02,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:51:02,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:51:02,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:51:02,745 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:51:02,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:51:02,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16735537] [2024-11-17 03:51:02,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [16735537] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:51:02,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1773300203] [2024-11-17 03:51:02,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:51:02,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:51:02,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:51:02,748 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) [2024-11-17 03:51:02,749 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-17 03:51:02,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:51:02,828 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 03:51:02,833 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:51:02,905 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:51:02,905 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 03:51:02,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1773300203] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:51:02,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 03:51:02,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-17 03:51:02,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028782972] [2024-11-17 03:51:02,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:51:02,907 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 03:51:02,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:51:02,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 03:51:02,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-17 03:51:02,908 INFO L87 Difference]: Start difference. First operand 56 states and 62 transitions. Second operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 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) [2024-11-17 03:51:02,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:51:02,947 INFO L93 Difference]: Finished difference Result 58 states and 64 transitions. [2024-11-17 03:51:02,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 03:51:02,948 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 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 17 [2024-11-17 03:51:02,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:51:02,948 INFO L225 Difference]: With dead ends: 58 [2024-11-17 03:51:02,948 INFO L226 Difference]: Without dead ends: 57 [2024-11-17 03:51:02,949 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-17 03:51:02,949 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 2 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:51:02,950 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 62 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:51:02,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2024-11-17 03:51:02,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 55. [2024-11-17 03:51:02,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 52 states have (on average 1.1538461538461537) internal successors, (60), 54 states have internal predecessors, (60), 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) [2024-11-17 03:51:02,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 60 transitions. [2024-11-17 03:51:02,961 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 60 transitions. Word has length 17 [2024-11-17 03:51:02,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:51:02,961 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 60 transitions. [2024-11-17 03:51:02,961 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 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) [2024-11-17 03:51:02,961 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 60 transitions. [2024-11-17 03:51:02,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-17 03:51:02,962 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:51:02,962 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:51:02,976 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-17 03:51:03,166 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-17 03:51:03,167 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-17 03:51:03,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:51:03,167 INFO L85 PathProgramCache]: Analyzing trace with hash -1210924657, now seen corresponding path program 1 times [2024-11-17 03:51:03,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:51:03,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54350034] [2024-11-17 03:51:03,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:51:03,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:51:03,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:51:03,244 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:51:03,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:51:03,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54350034] [2024-11-17 03:51:03,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54350034] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:51:03,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1338964935] [2024-11-17 03:51:03,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:51:03,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:51:03,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:51:03,249 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) [2024-11-17 03:51:03,251 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-17 03:51:03,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:51:03,321 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 03:51:03,322 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:51:03,363 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:51:03,363 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:51:03,425 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:51:03,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1338964935] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:51:03,425 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:51:03,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-11-17 03:51:03,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276143487] [2024-11-17 03:51:03,426 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:51:03,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-17 03:51:03,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:51:03,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-17 03:51:03,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-17 03:51:03,427 INFO L87 Difference]: Start difference. First operand 55 states and 60 transitions. Second operand has 12 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 12 states have internal predecessors, (40), 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) [2024-11-17 03:51:03,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:51:03,472 INFO L93 Difference]: Finished difference Result 98 states and 111 transitions. [2024-11-17 03:51:03,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-17 03:51:03,473 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 12 states have internal predecessors, (40), 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 18 [2024-11-17 03:51:03,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:51:03,475 INFO L225 Difference]: With dead ends: 98 [2024-11-17 03:51:03,475 INFO L226 Difference]: Without dead ends: 97 [2024-11-17 03:51:03,475 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-17 03:51:03,476 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 2 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:51:03,476 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 108 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:51:03,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2024-11-17 03:51:03,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2024-11-17 03:51:03,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 94 states have (on average 1.1170212765957446) internal successors, (105), 96 states have internal predecessors, (105), 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) [2024-11-17 03:51:03,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 105 transitions. [2024-11-17 03:51:03,485 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 105 transitions. Word has length 18 [2024-11-17 03:51:03,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:51:03,486 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 105 transitions. [2024-11-17 03:51:03,486 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 12 states have internal predecessors, (40), 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) [2024-11-17 03:51:03,486 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 105 transitions. [2024-11-17 03:51:03,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-17 03:51:03,486 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:51:03,487 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:51:03,503 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-17 03:51:03,690 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,SelfDestructingSolverStorable11 [2024-11-17 03:51:03,691 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-17 03:51:03,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:51:03,691 INFO L85 PathProgramCache]: Analyzing trace with hash -1577720266, now seen corresponding path program 1 times [2024-11-17 03:51:03,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:51:03,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673739389] [2024-11-17 03:51:03,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:51:03,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:51:03,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:51:03,763 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:51:03,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:51:03,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673739389] [2024-11-17 03:51:03,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673739389] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:51:03,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [473352949] [2024-11-17 03:51:03,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:51:03,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:51:03,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:51:03,766 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) [2024-11-17 03:51:03,768 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-17 03:51:03,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:51:03,834 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 03:51:03,835 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:51:03,879 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:51:03,879 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 03:51:03,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [473352949] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:51:03,879 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 03:51:03,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-17 03:51:03,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230680100] [2024-11-17 03:51:03,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:51:03,880 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 03:51:03,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:51:03,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 03:51:03,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-17 03:51:03,880 INFO L87 Difference]: Start difference. First operand 97 states and 105 transitions. Second operand has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 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) [2024-11-17 03:51:03,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:51:03,912 INFO L93 Difference]: Finished difference Result 98 states and 106 transitions. [2024-11-17 03:51:03,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 03:51:03,914 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 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 22 [2024-11-17 03:51:03,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:51:03,914 INFO L225 Difference]: With dead ends: 98 [2024-11-17 03:51:03,914 INFO L226 Difference]: Without dead ends: 97 [2024-11-17 03:51:03,914 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-17 03:51:03,916 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 2 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:51:03,916 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 100 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:51:03,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2024-11-17 03:51:03,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 96. [2024-11-17 03:51:03,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 94 states have (on average 1.1063829787234043) internal successors, (104), 95 states have internal predecessors, (104), 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) [2024-11-17 03:51:03,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 104 transitions. [2024-11-17 03:51:03,928 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 104 transitions. Word has length 22 [2024-11-17 03:51:03,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:51:03,928 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 104 transitions. [2024-11-17 03:51:03,928 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 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) [2024-11-17 03:51:03,928 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 104 transitions. [2024-11-17 03:51:03,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-17 03:51:03,929 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:51:03,929 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:51:03,947 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-17 03:51:04,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:51:04,135 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-17 03:51:04,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:51:04,135 INFO L85 PathProgramCache]: Analyzing trace with hash -1664687982, now seen corresponding path program 1 times [2024-11-17 03:51:04,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:51:04,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157267584] [2024-11-17 03:51:04,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:51:04,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:51:04,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:51:04,207 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:51:04,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:51:04,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157267584] [2024-11-17 03:51:04,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157267584] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:51:04,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2027142047] [2024-11-17 03:51:04,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:51:04,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:51:04,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:51:04,210 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) [2024-11-17 03:51:04,212 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-17 03:51:04,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:51:04,295 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 03:51:04,296 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:51:04,344 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:51:04,344 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:51:04,404 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:51:04,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2027142047] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:51:04,406 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:51:04,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-11-17 03:51:04,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322539276] [2024-11-17 03:51:04,406 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:51:04,407 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-17 03:51:04,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:51:04,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-17 03:51:04,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-17 03:51:04,408 INFO L87 Difference]: Start difference. First operand 96 states and 104 transitions. Second operand has 12 states, 11 states have (on average 4.090909090909091) internal successors, (45), 12 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:51:04,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:51:04,450 INFO L93 Difference]: Finished difference Result 118 states and 128 transitions. [2024-11-17 03:51:04,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-17 03:51:04,450 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.090909090909091) internal successors, (45), 12 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2024-11-17 03:51:04,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:51:04,451 INFO L225 Difference]: With dead ends: 118 [2024-11-17 03:51:04,451 INFO L226 Difference]: Without dead ends: 117 [2024-11-17 03:51:04,452 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-17 03:51:04,452 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 2 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:51:04,452 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 141 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:51:04,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2024-11-17 03:51:04,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2024-11-17 03:51:04,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 115 states have (on average 1.0869565217391304) internal successors, (125), 116 states have internal predecessors, (125), 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) [2024-11-17 03:51:04,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 125 transitions. [2024-11-17 03:51:04,461 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 125 transitions. Word has length 23 [2024-11-17 03:51:04,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:51:04,461 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 125 transitions. [2024-11-17 03:51:04,461 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.090909090909091) internal successors, (45), 12 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:51:04,461 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 125 transitions. [2024-11-17 03:51:04,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-17 03:51:04,462 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:51:04,463 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1] [2024-11-17 03:51:04,480 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-17 03:51:04,666 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:51:04,667 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-17 03:51:04,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:51:04,667 INFO L85 PathProgramCache]: Analyzing trace with hash 1068327395, now seen corresponding path program 2 times [2024-11-17 03:51:04,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:51:04,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945280374] [2024-11-17 03:51:04,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:51:04,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:51:04,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:51:04,815 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:51:04,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:51:04,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945280374] [2024-11-17 03:51:04,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945280374] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:51:04,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [16764272] [2024-11-17 03:51:04,815 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 03:51:04,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:51:04,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:51:04,817 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) [2024-11-17 03:51:04,819 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-17 03:51:04,884 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-17 03:51:04,885 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 03:51:04,885 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 03:51:04,887 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:51:04,962 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-17 03:51:04,963 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:51:05,045 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-17 03:51:05,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [16764272] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:51:05,046 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:51:05,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 3, 3] total 15 [2024-11-17 03:51:05,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423842901] [2024-11-17 03:51:05,046 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:51:05,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-17 03:51:05,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:51:05,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-17 03:51:05,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2024-11-17 03:51:05,047 INFO L87 Difference]: Start difference. First operand 117 states and 125 transitions. Second operand has 16 states, 15 states have (on average 4.466666666666667) internal successors, (67), 16 states have internal predecessors, (67), 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) [2024-11-17 03:51:05,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:51:05,252 INFO L93 Difference]: Finished difference Result 133 states and 144 transitions. [2024-11-17 03:51:05,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-17 03:51:05,252 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 4.466666666666667) internal successors, (67), 16 states have internal predecessors, (67), 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 39 [2024-11-17 03:51:05,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:51:05,253 INFO L225 Difference]: With dead ends: 133 [2024-11-17 03:51:05,253 INFO L226 Difference]: Without dead ends: 89 [2024-11-17 03:51:05,254 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=172, Invalid=530, Unknown=0, NotChecked=0, Total=702 [2024-11-17 03:51:05,254 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 19 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 03:51:05,254 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 106 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 03:51:05,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-11-17 03:51:05,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 54. [2024-11-17 03:51:05,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 53 states have (on average 1.0566037735849056) internal successors, (56), 53 states have internal predecessors, (56), 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) [2024-11-17 03:51:05,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 56 transitions. [2024-11-17 03:51:05,262 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 56 transitions. Word has length 39 [2024-11-17 03:51:05,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:51:05,262 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 56 transitions. [2024-11-17 03:51:05,263 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 4.466666666666667) internal successors, (67), 16 states have internal predecessors, (67), 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) [2024-11-17 03:51:05,263 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 56 transitions. [2024-11-17 03:51:05,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-17 03:51:05,266 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:51:05,266 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:51:05,282 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-17 03:51:05,466 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,SelfDestructingSolverStorable14 [2024-11-17 03:51:05,467 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-17 03:51:05,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:51:05,467 INFO L85 PathProgramCache]: Analyzing trace with hash 377677488, now seen corresponding path program 2 times [2024-11-17 03:51:05,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:51:05,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482070582] [2024-11-17 03:51:05,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:51:05,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:51:05,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:51:05,640 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:51:05,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:51:05,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482070582] [2024-11-17 03:51:05,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482070582] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:51:05,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1623388295] [2024-11-17 03:51:05,640 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 03:51:05,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:51:05,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:51:05,642 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) [2024-11-17 03:51:05,644 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-17 03:51:05,732 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-17 03:51:05,732 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 03:51:05,733 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 03:51:05,735 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:51:05,807 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-17 03:51:05,807 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:51:05,893 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-17 03:51:05,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1623388295] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:51:05,894 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:51:05,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 3, 3] total 15 [2024-11-17 03:51:05,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095466577] [2024-11-17 03:51:05,894 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:51:05,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-17 03:51:05,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:51:05,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-17 03:51:05,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2024-11-17 03:51:05,896 INFO L87 Difference]: Start difference. First operand 54 states and 56 transitions. Second operand has 16 states, 15 states have (on average 5.466666666666667) internal successors, (82), 16 states have internal predecessors, (82), 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) [2024-11-17 03:51:06,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:51:06,065 INFO L93 Difference]: Finished difference Result 62 states and 65 transitions. [2024-11-17 03:51:06,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-17 03:51:06,066 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 5.466666666666667) internal successors, (82), 16 states have internal predecessors, (82), 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 44 [2024-11-17 03:51:06,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:51:06,066 INFO L225 Difference]: With dead ends: 62 [2024-11-17 03:51:06,066 INFO L226 Difference]: Without dead ends: 0 [2024-11-17 03:51:06,067 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=172, Invalid=530, Unknown=0, NotChecked=0, Total=702 [2024-11-17 03:51:06,067 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 13 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 03:51:06,067 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 68 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 03:51:06,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-17 03:51:06,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-17 03:51:06,068 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) [2024-11-17 03:51:06,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-17 03:51:06,068 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 44 [2024-11-17 03:51:06,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:51:06,068 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-17 03:51:06,068 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 5.466666666666667) internal successors, (82), 16 states have internal predecessors, (82), 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) [2024-11-17 03:51:06,069 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-17 03:51:06,069 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-17 03:51:06,073 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 12 remaining) [2024-11-17 03:51:06,074 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 12 remaining) [2024-11-17 03:51:06,074 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 12 remaining) [2024-11-17 03:51:06,074 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 12 remaining) [2024-11-17 03:51:06,074 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 12 remaining) [2024-11-17 03:51:06,074 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 12 remaining) [2024-11-17 03:51:06,074 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 12 remaining) [2024-11-17 03:51:06,074 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 12 remaining) [2024-11-17 03:51:06,074 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 12 remaining) [2024-11-17 03:51:06,074 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 12 remaining) [2024-11-17 03:51:06,074 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 12 remaining) [2024-11-17 03:51:06,075 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 12 remaining) [2024-11-17 03:51:06,093 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-17 03:51:06,276 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-17 03:51:06,279 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:51:06,280 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-17 03:51:06,533 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-17 03:51:06,544 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 03:51:06 BoogieIcfgContainer [2024-11-17 03:51:06,544 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-17 03:51:06,544 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 03:51:06,545 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 03:51:06,545 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 03:51:06,545 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 03:51:00" (3/4) ... [2024-11-17 03:51:06,547 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-17 03:51:06,557 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2024-11-17 03:51:06,557 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-17 03:51:06,558 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-17 03:51:06,558 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-17 03:51:06,647 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-17 03:51:06,647 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-17 03:51:06,647 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 03:51:06,648 INFO L158 Benchmark]: Toolchain (without parser) took 6734.73ms. Allocated memory was 161.5MB in the beginning and 226.5MB in the end (delta: 65.0MB). Free memory was 103.7MB in the beginning and 109.6MB in the end (delta: -5.9MB). Peak memory consumption was 61.7MB. Max. memory is 16.1GB. [2024-11-17 03:51:06,648 INFO L158 Benchmark]: CDTParser took 1.00ms. Allocated memory is still 161.5MB. Free memory is still 124.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 03:51:06,648 INFO L158 Benchmark]: CACSL2BoogieTranslator took 470.41ms. Allocated memory is still 161.5MB. Free memory was 103.3MB in the beginning and 83.5MB in the end (delta: 19.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-17 03:51:06,648 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.29ms. Allocated memory is still 161.5MB. Free memory was 83.1MB in the beginning and 81.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 03:51:06,648 INFO L158 Benchmark]: Boogie Preprocessor took 41.51ms. Allocated memory is still 161.5MB. Free memory was 81.4MB in the beginning and 79.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 03:51:06,649 INFO L158 Benchmark]: IcfgBuilder took 490.62ms. Allocated memory is still 161.5MB. Free memory was 79.3MB in the beginning and 62.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-17 03:51:06,649 INFO L158 Benchmark]: TraceAbstraction took 5578.38ms. Allocated memory was 161.5MB in the beginning and 226.5MB in the end (delta: 65.0MB). Free memory was 61.8MB in the beginning and 114.8MB in the end (delta: -53.0MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2024-11-17 03:51:06,649 INFO L158 Benchmark]: Witness Printer took 102.89ms. Allocated memory is still 226.5MB. Free memory was 114.8MB in the beginning and 109.6MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-17 03:51:06,651 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.00ms. Allocated memory is still 161.5MB. Free memory is still 124.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 470.41ms. Allocated memory is still 161.5MB. Free memory was 103.3MB in the beginning and 83.5MB in the end (delta: 19.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.29ms. Allocated memory is still 161.5MB. Free memory was 83.1MB in the beginning and 81.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.51ms. Allocated memory is still 161.5MB. Free memory was 81.4MB in the beginning and 79.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 490.62ms. Allocated memory is still 161.5MB. Free memory was 79.3MB in the beginning and 62.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 5578.38ms. Allocated memory was 161.5MB in the beginning and 226.5MB in the end (delta: 65.0MB). Free memory was 61.8MB in the beginning and 114.8MB in the end (delta: -53.0MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. * Witness Printer took 102.89ms. Allocated memory is still 226.5MB. Free memory was 114.8MB in the beginning and 109.6MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. 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: 552]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 552]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 551]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 551]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 546]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 546]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 546]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 546]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 541]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 541]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 541]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 541]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 51 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 5.2s, OverallIterations: 16, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 203 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 203 mSDsluCounter, 1144 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 734 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 472 IncrementalHoareTripleChecker+Invalid, 489 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 410 mSDtfsCounter, 472 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 367 GetRequests, 271 SyntacticMatches, 0 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 256 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=117occurred in iteration=14, InterpolantAutomatonStates: 94, 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, 116 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 437 NumberOfCodeBlocks, 381 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 535 ConstructedInterpolants, 0 QuantifiedInterpolants, 1409 SizeOfPredicates, 4 NumberOfNonLiveVariables, 434 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 26 InterpolantComputations, 12 PerfectInterpolantSequences, 242/452 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 - AllSpecificationsHoldResult: All specifications hold 12 specifications checked. All of them hold - InvariantResult [Line: 541]: Location Invariant Derived location invariant: null - InvariantResult [Line: 522]: Location Invariant Derived location invariant: null - InvariantResult [Line: 546]: Location Invariant Derived location invariant: null - InvariantResult [Line: 519]: Location Invariant Derived location invariant: null RESULT: Ultimate proved your program to be correct! [2024-11-17 03:51:06,684 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