./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c7c6ca5d 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/nla-digbench-scaling/prod4br-ll_valuebound2.c -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 deafb53b6c5560bead535ea0c1ac7bb85be5c959b9a13b21177e05987440264a --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 12:00:47,985 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 12:00:48,055 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-09 12:00:48,065 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 12:00:48,066 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 12:00:48,097 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 12:00:48,098 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 12:00:48,099 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 12:00:48,100 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 12:00:48,101 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 12:00:48,101 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 12:00:48,101 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 12:00:48,102 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 12:00:48,104 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 12:00:48,105 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 12:00:48,105 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 12:00:48,106 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 12:00:48,106 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 12:00:48,106 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 12:00:48,106 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 12:00:48,107 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 12:00:48,107 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 12:00:48,108 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 12:00:48,108 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 12:00:48,108 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 12:00:48,109 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 12:00:48,109 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 12:00:48,109 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 12:00:48,110 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 12:00:48,110 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 12:00:48,110 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 12:00:48,111 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 12:00:48,111 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 12:00:48,112 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 12:00:48,112 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 12:00:48,112 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 12:00:48,113 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 12:00:48,113 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 12:00:48,113 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 12:00:48,114 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 12:00:48,114 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 12:00:48,114 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 12:00:48,114 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 12:00:48,115 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 12:00:48,115 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> deafb53b6c5560bead535ea0c1ac7bb85be5c959b9a13b21177e05987440264a [2024-11-09 12:00:48,377 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 12:00:48,404 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 12:00:48,410 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 12:00:48,411 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 12:00:48,412 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 12:00:48,413 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound2.c [2024-11-09 12:00:49,899 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 12:00:50,123 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 12:00:50,124 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound2.c [2024-11-09 12:00:50,132 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/679515e1c/6921e47bedc3469a98e73ff2c80bf82f/FLAG2f188e8c7 [2024-11-09 12:00:50,490 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/679515e1c/6921e47bedc3469a98e73ff2c80bf82f [2024-11-09 12:00:50,492 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 12:00:50,493 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 12:00:50,494 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 12:00:50,494 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 12:00:50,500 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 12:00:50,501 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:00:50" (1/1) ... [2024-11-09 12:00:50,504 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71cf56de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:50, skipping insertion in model container [2024-11-09 12:00:50,504 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:00:50" (1/1) ... [2024-11-09 12:00:50,543 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 12:00:50,764 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 12:00:50,778 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 12:00:50,809 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 12:00:50,832 INFO L204 MainTranslator]: Completed translation [2024-11-09 12:00:50,833 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:50 WrapperNode [2024-11-09 12:00:50,833 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 12:00:50,834 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 12:00:50,834 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 12:00:50,834 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 12:00:50,842 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:50" (1/1) ... [2024-11-09 12:00:50,853 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:50" (1/1) ... [2024-11-09 12:00:50,883 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 102 [2024-11-09 12:00:50,884 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 12:00:50,888 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 12:00:50,889 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 12:00:50,889 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 12:00:50,900 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:50" (1/1) ... [2024-11-09 12:00:50,900 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:50" (1/1) ... [2024-11-09 12:00:50,903 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:50" (1/1) ... [2024-11-09 12:00:50,922 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-09 12:00:50,923 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:50" (1/1) ... [2024-11-09 12:00:50,923 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:50" (1/1) ... [2024-11-09 12:00:50,931 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:50" (1/1) ... [2024-11-09 12:00:50,934 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:50" (1/1) ... [2024-11-09 12:00:50,939 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:50" (1/1) ... [2024-11-09 12:00:50,940 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:50" (1/1) ... [2024-11-09 12:00:50,946 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 12:00:50,947 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 12:00:50,947 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 12:00:50,947 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 12:00:50,948 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:50" (1/1) ... [2024-11-09 12:00:50,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 12:00:50,969 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:00:50,988 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) [2024-11-09 12:00:50,991 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 [2024-11-09 12:00:51,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 12:00:51,042 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 12:00:51,042 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 12:00:51,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 12:00:51,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 12:00:51,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 12:00:51,042 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 12:00:51,043 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 12:00:51,108 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 12:00:51,113 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 12:00:51,704 INFO L? ?]: Removed 91 outVars from TransFormulas that were not future-live. [2024-11-09 12:00:51,704 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 12:00:51,728 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 12:00:51,729 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 12:00:51,729 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:00:51 BoogieIcfgContainer [2024-11-09 12:00:51,729 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 12:00:51,732 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 12:00:51,732 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 12:00:51,736 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 12:00:51,737 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 12:00:50" (1/3) ... [2024-11-09 12:00:51,738 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7da909f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 12:00:51, skipping insertion in model container [2024-11-09 12:00:51,739 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:50" (2/3) ... [2024-11-09 12:00:51,739 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7da909f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 12:00:51, skipping insertion in model container [2024-11-09 12:00:51,739 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:00:51" (3/3) ... [2024-11-09 12:00:51,741 INFO L112 eAbstractionObserver]: Analyzing ICFG prod4br-ll_valuebound2.c [2024-11-09 12:00:51,759 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 12:00:51,759 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 42 error locations. [2024-11-09 12:00:51,828 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 12:00:51,837 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;@3f1a48e4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 12:00:51,839 INFO L334 AbstractCegarLoop]: Starting to check reachability of 42 error locations. [2024-11-09 12:00:51,845 INFO L276 IsEmpty]: Start isEmpty. Operand has 113 states, 62 states have (on average 1.8064516129032258) internal successors, (112), 104 states have internal predecessors, (112), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-09 12:00:51,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-09 12:00:51,853 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:00:51,854 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:00:51,855 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-09 12:00:51,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:00:51,863 INFO L85 PathProgramCache]: Analyzing trace with hash -266555770, now seen corresponding path program 1 times [2024-11-09 12:00:51,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:00:51,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068784010] [2024-11-09 12:00:51,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:00:51,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:00:51,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:00:52,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 12:00:52,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:00:52,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 12:00:52,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:00:52,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 12:00:52,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:00:52,073 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 12:00:52,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:00:52,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068784010] [2024-11-09 12:00:52,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2068784010] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:00:52,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:00:52,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 12:00:52,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011222420] [2024-11-09 12:00:52,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:00:52,091 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 12:00:52,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:00:52,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 12:00:52,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 12:00:52,121 INFO L87 Difference]: Start difference. First operand has 113 states, 62 states have (on average 1.8064516129032258) internal successors, (112), 104 states have internal predecessors, (112), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 12:00:52,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:00:52,160 INFO L93 Difference]: Finished difference Result 222 states and 249 transitions. [2024-11-09 12:00:52,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 12:00:52,163 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 21 [2024-11-09 12:00:52,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:00:52,172 INFO L225 Difference]: With dead ends: 222 [2024-11-09 12:00:52,173 INFO L226 Difference]: Without dead ends: 106 [2024-11-09 12:00:52,177 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 12:00:52,183 INFO L432 NwaCegarLoop]: 119 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:00:52,184 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:00:52,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-11-09 12:00:52,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2024-11-09 12:00:52,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 57 states have (on average 1.7894736842105263) internal successors, (102), 98 states have internal predecessors, (102), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 12:00:52,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 112 transitions. [2024-11-09 12:00:52,256 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 112 transitions. Word has length 21 [2024-11-09 12:00:52,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:00:52,258 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 112 transitions. [2024-11-09 12:00:52,258 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 12:00:52,258 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 112 transitions. [2024-11-09 12:00:52,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-09 12:00:52,260 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:00:52,261 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:00:52,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 12:00:52,261 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-09 12:00:52,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:00:52,266 INFO L85 PathProgramCache]: Analyzing trace with hash -1096580792, now seen corresponding path program 1 times [2024-11-09 12:00:52,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:00:52,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398102391] [2024-11-09 12:00:52,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:00:52,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:00:52,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:00:52,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2031389043] [2024-11-09 12:00:52,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:00:52,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:00:52,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:00:52,376 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) [2024-11-09 12:00:52,377 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 12:00:52,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:00:52,445 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 12:00:52,453 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:00:52,609 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 12:00:52,609 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:00:52,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:00:52,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398102391] [2024-11-09 12:00:52,786 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:00:52,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2031389043] [2024-11-09 12:00:52,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2031389043] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:00:52,787 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 12:00:52,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-09 12:00:52,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161676513] [2024-11-09 12:00:52,788 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 12:00:52,788 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 12:00:52,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:00:52,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 12:00:52,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-09 12:00:52,790 INFO L87 Difference]: Start difference. First operand 106 states and 112 transitions. Second operand has 7 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 12:00:53,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:00:53,287 INFO L93 Difference]: Finished difference Result 144 states and 168 transitions. [2024-11-09 12:00:53,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 12:00:53,288 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 21 [2024-11-09 12:00:53,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:00:53,290 INFO L225 Difference]: With dead ends: 144 [2024-11-09 12:00:53,290 INFO L226 Difference]: Without dead ends: 135 [2024-11-09 12:00:53,292 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-09 12:00:53,293 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 286 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 244 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 288 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 12:00:53,293 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [288 Valid, 210 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 244 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 12:00:53,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2024-11-09 12:00:53,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 128. [2024-11-09 12:00:53,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 79 states have (on average 1.6962025316455696) internal successors, (134), 118 states have internal predecessors, (134), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-09 12:00:53,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 148 transitions. [2024-11-09 12:00:53,308 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 148 transitions. Word has length 21 [2024-11-09 12:00:53,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:00:53,310 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 148 transitions. [2024-11-09 12:00:53,310 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 12:00:53,310 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 148 transitions. [2024-11-09 12:00:53,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-09 12:00:53,311 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:00:53,311 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:00:53,334 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-09 12:00:53,515 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:00:53,516 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-09 12:00:53,516 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:00:53,517 INFO L85 PathProgramCache]: Analyzing trace with hash 365733866, now seen corresponding path program 1 times [2024-11-09 12:00:53,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:00:53,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255617579] [2024-11-09 12:00:53,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:00:53,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:00:53,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:00:53,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [472023274] [2024-11-09 12:00:53,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:00:53,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:00:53,547 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:00:53,549 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) [2024-11-09 12:00:53,553 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 12:00:53,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:00:53,595 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-09 12:00:53,597 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:00:53,739 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 12:00:53,740 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:00:53,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:00:53,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255617579] [2024-11-09 12:00:53,740 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:00:53,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [472023274] [2024-11-09 12:00:53,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [472023274] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:00:53,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:00:53,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 12:00:53,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283234548] [2024-11-09 12:00:53,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:00:53,742 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 12:00:53,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:00:53,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 12:00:53,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-09 12:00:53,743 INFO L87 Difference]: Start difference. First operand 128 states and 148 transitions. Second operand has 8 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 12:00:54,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:00:54,128 INFO L93 Difference]: Finished difference Result 174 states and 214 transitions. [2024-11-09 12:00:54,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 12:00:54,128 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 22 [2024-11-09 12:00:54,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:00:54,130 INFO L225 Difference]: With dead ends: 174 [2024-11-09 12:00:54,130 INFO L226 Difference]: Without dead ends: 156 [2024-11-09 12:00:54,133 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-09 12:00:54,134 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 302 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 261 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 304 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 12:00:54,134 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [304 Valid, 200 Invalid, 286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 261 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 12:00:54,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2024-11-09 12:00:54,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 153. [2024-11-09 12:00:54,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 105 states have (on average 1.6095238095238096) internal successors, (169), 142 states have internal predecessors, (169), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 12:00:54,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 185 transitions. [2024-11-09 12:00:54,160 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 185 transitions. Word has length 22 [2024-11-09 12:00:54,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:00:54,161 INFO L471 AbstractCegarLoop]: Abstraction has 153 states and 185 transitions. [2024-11-09 12:00:54,161 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 12:00:54,161 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 185 transitions. [2024-11-09 12:00:54,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 12:00:54,162 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:00:54,162 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:00:54,181 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 12:00:54,362 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,SelfDestructingSolverStorable2 [2024-11-09 12:00:54,367 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-09 12:00:54,368 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:00:54,368 INFO L85 PathProgramCache]: Analyzing trace with hash -1547151990, now seen corresponding path program 1 times [2024-11-09 12:00:54,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:00:54,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237076787] [2024-11-09 12:00:54,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:00:54,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:00:54,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:00:54,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [512268384] [2024-11-09 12:00:54,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:00:54,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:00:54,397 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:00:54,399 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) [2024-11-09 12:00:54,402 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 12:00:54,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:00:54,447 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 12:00:54,448 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:00:54,574 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 12:00:54,574 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:00:54,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:00:54,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237076787] [2024-11-09 12:00:54,866 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:00:54,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [512268384] [2024-11-09 12:00:54,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [512268384] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:00:54,866 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 12:00:54,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-09 12:00:54,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379570771] [2024-11-09 12:00:54,867 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 12:00:54,867 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 12:00:54,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:00:54,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 12:00:54,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-09 12:00:54,869 INFO L87 Difference]: Start difference. First operand 153 states and 185 transitions. Second operand has 7 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 12:00:55,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:00:55,098 INFO L93 Difference]: Finished difference Result 161 states and 192 transitions. [2024-11-09 12:00:55,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 12:00:55,099 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 23 [2024-11-09 12:00:55,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:00:55,101 INFO L225 Difference]: With dead ends: 161 [2024-11-09 12:00:55,103 INFO L226 Difference]: Without dead ends: 160 [2024-11-09 12:00:55,103 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-09 12:00:55,104 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 254 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 256 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 12:00:55,105 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [256 Valid, 236 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 208 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 12:00:55,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2024-11-09 12:00:55,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 153. [2024-11-09 12:00:55,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 105 states have (on average 1.6) internal successors, (168), 142 states have internal predecessors, (168), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 12:00:55,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 184 transitions. [2024-11-09 12:00:55,130 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 184 transitions. Word has length 23 [2024-11-09 12:00:55,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:00:55,131 INFO L471 AbstractCegarLoop]: Abstraction has 153 states and 184 transitions. [2024-11-09 12:00:55,131 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 12:00:55,131 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 184 transitions. [2024-11-09 12:00:55,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-09 12:00:55,135 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:00:55,135 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:00:55,153 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 12:00:55,336 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:00:55,337 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-09 12:00:55,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:00:55,337 INFO L85 PathProgramCache]: Analyzing trace with hash -717071380, now seen corresponding path program 1 times [2024-11-09 12:00:55,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:00:55,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248663853] [2024-11-09 12:00:55,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:00:55,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:00:55,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:00:55,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1607004667] [2024-11-09 12:00:55,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:00:55,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:00:55,353 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:00:55,355 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) [2024-11-09 12:00:55,356 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 12:00:55,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:00:55,402 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-09 12:00:55,404 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:00:55,567 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 12:00:55,567 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:00:55,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:00:55,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248663853] [2024-11-09 12:00:55,567 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:00:55,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1607004667] [2024-11-09 12:00:55,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1607004667] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:00:55,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:00:55,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 12:00:55,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795789112] [2024-11-09 12:00:55,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:00:55,568 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 12:00:55,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:00:55,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 12:00:55,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-09 12:00:55,569 INFO L87 Difference]: Start difference. First operand 153 states and 184 transitions. Second operand has 8 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 12:00:55,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:00:55,987 INFO L93 Difference]: Finished difference Result 161 states and 191 transitions. [2024-11-09 12:00:55,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 12:00:55,987 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 24 [2024-11-09 12:00:55,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:00:55,989 INFO L225 Difference]: With dead ends: 161 [2024-11-09 12:00:55,989 INFO L226 Difference]: Without dead ends: 160 [2024-11-09 12:00:55,989 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-09 12:00:55,990 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 251 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 12:00:55,990 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [253 Valid, 239 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 12:00:55,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2024-11-09 12:00:55,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 153. [2024-11-09 12:00:55,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 105 states have (on average 1.5904761904761904) internal successors, (167), 142 states have internal predecessors, (167), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 12:00:55,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 183 transitions. [2024-11-09 12:00:56,000 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 183 transitions. Word has length 24 [2024-11-09 12:00:56,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:00:56,000 INFO L471 AbstractCegarLoop]: Abstraction has 153 states and 183 transitions. [2024-11-09 12:00:56,001 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 12:00:56,001 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 183 transitions. [2024-11-09 12:00:56,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 12:00:56,004 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:00:56,004 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:00:56,022 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-09 12:00:56,205 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:00:56,205 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-09 12:00:56,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:00:56,206 INFO L85 PathProgramCache]: Analyzing trace with hash -754376244, now seen corresponding path program 1 times [2024-11-09 12:00:56,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:00:56,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48860454] [2024-11-09 12:00:56,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:00:56,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:00:56,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:00:56,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 12:00:56,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:00:56,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 12:00:56,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:00:56,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 12:00:56,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:00:56,319 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 12:00:56,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:00:56,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48860454] [2024-11-09 12:00:56,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48860454] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:00:56,324 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:00:56,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:00:56,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666737012] [2024-11-09 12:00:56,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:00:56,324 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:00:56,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:00:56,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:00:56,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:00:56,325 INFO L87 Difference]: Start difference. First operand 153 states and 183 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 12:00:57,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:00:57,719 INFO L93 Difference]: Finished difference Result 246 states and 292 transitions. [2024-11-09 12:00:57,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:00:57,720 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 25 [2024-11-09 12:00:57,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:00:57,721 INFO L225 Difference]: With dead ends: 246 [2024-11-09 12:00:57,721 INFO L226 Difference]: Without dead ends: 245 [2024-11-09 12:00:57,722 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:00:57,723 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 70 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-09 12:00:57,723 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 187 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-09 12:00:57,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2024-11-09 12:00:57,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 174. [2024-11-09 12:00:57,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 125 states have (on average 1.592) internal successors, (199), 162 states have internal predecessors, (199), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-09 12:00:57,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 217 transitions. [2024-11-09 12:00:57,747 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 217 transitions. Word has length 25 [2024-11-09 12:00:57,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:00:57,747 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 217 transitions. [2024-11-09 12:00:57,748 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 12:00:57,748 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 217 transitions. [2024-11-09 12:00:57,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-09 12:00:57,749 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:00:57,749 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:00:57,749 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 12:00:57,749 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-09 12:00:57,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:00:57,750 INFO L85 PathProgramCache]: Analyzing trace with hash -1910827026, now seen corresponding path program 1 times [2024-11-09 12:00:57,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:00:57,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222544145] [2024-11-09 12:00:57,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:00:57,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:00:57,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:00:57,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 12:00:57,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:00:57,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 12:00:57,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:00:57,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 12:00:57,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:00:57,993 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 12:00:57,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:00:57,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222544145] [2024-11-09 12:00:57,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1222544145] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:00:57,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:00:57,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:00:57,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195880795] [2024-11-09 12:00:57,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:00:57,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:00:57,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:00:57,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:00:57,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:00:57,996 INFO L87 Difference]: Start difference. First operand 174 states and 217 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 12:01:00,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:01:00,171 INFO L93 Difference]: Finished difference Result 246 states and 290 transitions. [2024-11-09 12:01:00,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:01:00,172 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 26 [2024-11-09 12:01:00,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:01:00,174 INFO L225 Difference]: With dead ends: 246 [2024-11-09 12:01:00,174 INFO L226 Difference]: Without dead ends: 245 [2024-11-09 12:01:00,174 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:01:00,175 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 69 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-09 12:01:00,175 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 194 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-09 12:01:00,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2024-11-09 12:01:00,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 174. [2024-11-09 12:01:00,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 125 states have (on average 1.576) internal successors, (197), 162 states have internal predecessors, (197), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-09 12:01:00,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 215 transitions. [2024-11-09 12:01:00,185 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 215 transitions. Word has length 26 [2024-11-09 12:01:00,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:01:00,186 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 215 transitions. [2024-11-09 12:01:00,186 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 12:01:00,186 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 215 transitions. [2024-11-09 12:01:00,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-09 12:01:00,187 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:01:00,187 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:01:00,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 12:01:00,188 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-09 12:01:00,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:01:00,188 INFO L85 PathProgramCache]: Analyzing trace with hash 1483767506, now seen corresponding path program 1 times [2024-11-09 12:01:00,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:01:00,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351001363] [2024-11-09 12:01:00,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:00,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:01:00,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:01:00,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [947499426] [2024-11-09 12:01:00,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:00,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:01:00,218 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:01:00,220 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) [2024-11-09 12:01:00,223 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 12:01:00,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:00,273 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 12:01:00,274 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:01:00,359 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 12:01:00,359 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:01:00,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:01:00,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351001363] [2024-11-09 12:01:00,359 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:01:00,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [947499426] [2024-11-09 12:01:00,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [947499426] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:01:00,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:01:00,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:01:00,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059194884] [2024-11-09 12:01:00,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:01:00,360 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:01:00,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:01:00,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:01:00,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:01:00,361 INFO L87 Difference]: Start difference. First operand 174 states and 215 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-09 12:01:00,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:01:00,710 INFO L93 Difference]: Finished difference Result 184 states and 223 transitions. [2024-11-09 12:01:00,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:01:00,710 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 39 [2024-11-09 12:01:00,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:01:00,712 INFO L225 Difference]: With dead ends: 184 [2024-11-09 12:01:00,713 INFO L226 Difference]: Without dead ends: 181 [2024-11-09 12:01:00,713 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 12:01:00,714 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 156 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 12:01:00,714 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 117 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 12:01:00,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2024-11-09 12:01:00,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 178. [2024-11-09 12:01:00,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 129 states have (on average 1.550387596899225) internal successors, (200), 166 states have internal predecessors, (200), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-09 12:01:00,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 218 transitions. [2024-11-09 12:01:00,727 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 218 transitions. Word has length 39 [2024-11-09 12:01:00,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:01:00,727 INFO L471 AbstractCegarLoop]: Abstraction has 178 states and 218 transitions. [2024-11-09 12:01:00,728 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-09 12:01:00,728 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 218 transitions. [2024-11-09 12:01:00,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-09 12:01:00,731 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:01:00,731 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:01:00,749 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-09 12:01:00,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:01:00,932 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-09 12:01:00,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:01:00,933 INFO L85 PathProgramCache]: Analyzing trace with hash -1234456420, now seen corresponding path program 1 times [2024-11-09 12:01:00,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:01:00,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248488225] [2024-11-09 12:01:00,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:00,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:01:00,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:01:00,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [237024336] [2024-11-09 12:01:00,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:00,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:01:00,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:01:00,959 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) [2024-11-09 12:01:00,961 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-09 12:01:01,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:01,009 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 12:01:01,011 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:01:01,096 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 12:01:01,096 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:01:01,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:01:01,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248488225] [2024-11-09 12:01:01,097 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:01:01,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [237024336] [2024-11-09 12:01:01,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [237024336] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:01:01,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:01:01,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:01:01,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906561742] [2024-11-09 12:01:01,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:01:01,098 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:01:01,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:01:01,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:01:01,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:01:01,099 INFO L87 Difference]: Start difference. First operand 178 states and 218 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 12:01:01,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:01:01,414 INFO L93 Difference]: Finished difference Result 227 states and 286 transitions. [2024-11-09 12:01:01,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:01:01,414 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 40 [2024-11-09 12:01:01,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:01:01,416 INFO L225 Difference]: With dead ends: 227 [2024-11-09 12:01:01,416 INFO L226 Difference]: Without dead ends: 221 [2024-11-09 12:01:01,416 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 12:01:01,417 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 145 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 12:01:01,417 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 126 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 12:01:01,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2024-11-09 12:01:01,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 206. [2024-11-09 12:01:01,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 156 states have (on average 1.5705128205128205) internal successors, (245), 193 states have internal predecessors, (245), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-09 12:01:01,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 265 transitions. [2024-11-09 12:01:01,455 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 265 transitions. Word has length 40 [2024-11-09 12:01:01,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:01:01,456 INFO L471 AbstractCegarLoop]: Abstraction has 206 states and 265 transitions. [2024-11-09 12:01:01,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 12:01:01,456 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 265 transitions. [2024-11-09 12:01:01,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-09 12:01:01,458 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:01:01,459 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:01:01,478 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-09 12:01:01,659 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:01:01,660 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-09 12:01:01,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:01:01,660 INFO L85 PathProgramCache]: Analyzing trace with hash -1247847474, now seen corresponding path program 1 times [2024-11-09 12:01:01,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:01:01,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634257981] [2024-11-09 12:01:01,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:01,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:01:01,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:01:01,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2045623090] [2024-11-09 12:01:01,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:01,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:01:01,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:01:01,704 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:01:01,706 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-09 12:01:01,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:01,745 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 12:01:01,747 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:01:01,813 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 12:01:01,813 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:01:01,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:01:01,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634257981] [2024-11-09 12:01:01,814 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:01:01,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2045623090] [2024-11-09 12:01:01,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2045623090] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:01:01,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:01:01,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:01:01,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579055073] [2024-11-09 12:01:01,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:01:01,815 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:01:01,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:01:01,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:01:01,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:01:01,816 INFO L87 Difference]: Start difference. First operand 206 states and 265 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-09 12:01:02,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:01:02,077 INFO L93 Difference]: Finished difference Result 267 states and 357 transitions. [2024-11-09 12:01:02,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:01:02,077 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 40 [2024-11-09 12:01:02,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:01:02,079 INFO L225 Difference]: With dead ends: 267 [2024-11-09 12:01:02,079 INFO L226 Difference]: Without dead ends: 261 [2024-11-09 12:01:02,080 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 12:01:02,081 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 200 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 12:01:02,081 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 90 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 12:01:02,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2024-11-09 12:01:02,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 241. [2024-11-09 12:01:02,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 190 states have (on average 1.6210526315789473) internal successors, (308), 227 states have internal predecessors, (308), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-09 12:01:02,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 330 transitions. [2024-11-09 12:01:02,092 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 330 transitions. Word has length 40 [2024-11-09 12:01:02,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:01:02,093 INFO L471 AbstractCegarLoop]: Abstraction has 241 states and 330 transitions. [2024-11-09 12:01:02,093 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-09 12:01:02,093 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 330 transitions. [2024-11-09 12:01:02,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-09 12:01:02,094 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:01:02,094 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:01:02,113 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-09 12:01:02,298 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:01:02,299 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-09 12:01:02,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:01:02,300 INFO L85 PathProgramCache]: Analyzing trace with hash 386556757, now seen corresponding path program 1 times [2024-11-09 12:01:02,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:01:02,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643613616] [2024-11-09 12:01:02,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:02,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:01:02,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:01:02,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1226389224] [2024-11-09 12:01:02,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:02,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:01:02,336 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:01:02,338 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:01:02,341 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-09 12:01:02,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:02,385 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 12:01:02,387 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:01:02,466 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 12:01:02,466 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:01:02,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:01:02,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643613616] [2024-11-09 12:01:02,467 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:01:02,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1226389224] [2024-11-09 12:01:02,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1226389224] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:01:02,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:01:02,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:01:02,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548253141] [2024-11-09 12:01:02,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:01:02,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:01:02,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:01:02,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:01:02,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:01:02,469 INFO L87 Difference]: Start difference. First operand 241 states and 330 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 12:01:02,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:01:02,758 INFO L93 Difference]: Finished difference Result 253 states and 337 transitions. [2024-11-09 12:01:02,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:01:02,759 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 41 [2024-11-09 12:01:02,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:01:02,760 INFO L225 Difference]: With dead ends: 253 [2024-11-09 12:01:02,761 INFO L226 Difference]: Without dead ends: 249 [2024-11-09 12:01:02,761 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 12:01:02,762 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 185 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 12:01:02,763 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 98 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 12:01:02,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2024-11-09 12:01:02,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 241. [2024-11-09 12:01:02,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 190 states have (on average 1.5947368421052632) internal successors, (303), 227 states have internal predecessors, (303), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-09 12:01:02,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 325 transitions. [2024-11-09 12:01:02,774 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 325 transitions. Word has length 41 [2024-11-09 12:01:02,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:01:02,775 INFO L471 AbstractCegarLoop]: Abstraction has 241 states and 325 transitions. [2024-11-09 12:01:02,775 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 12:01:02,775 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 325 transitions. [2024-11-09 12:01:02,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-09 12:01:02,776 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:01:02,776 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:01:02,794 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-09 12:01:02,976 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-09 12:01:02,977 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-09 12:01:02,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:01:02,978 INFO L85 PathProgramCache]: Analyzing trace with hash -28565932, now seen corresponding path program 1 times [2024-11-09 12:01:02,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:01:02,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732758911] [2024-11-09 12:01:02,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:02,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:01:02,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:03,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 12:01:03,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:03,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 12:01:03,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:03,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 12:01:03,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:03,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 12:01:03,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:03,088 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 12:01:03,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:01:03,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732758911] [2024-11-09 12:01:03,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732758911] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:01:03,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:01:03,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:01:03,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905553832] [2024-11-09 12:01:03,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:01:03,089 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:01:03,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:01:03,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:01:03,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:01:03,091 INFO L87 Difference]: Start difference. First operand 241 states and 325 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 12:01:03,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:01:03,885 INFO L93 Difference]: Finished difference Result 324 states and 417 transitions. [2024-11-09 12:01:03,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:01:03,886 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 41 [2024-11-09 12:01:03,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:01:03,888 INFO L225 Difference]: With dead ends: 324 [2024-11-09 12:01:03,888 INFO L226 Difference]: Without dead ends: 323 [2024-11-09 12:01:03,889 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:01:03,889 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 61 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-09 12:01:03,889 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 240 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-09 12:01:03,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2024-11-09 12:01:03,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 251. [2024-11-09 12:01:03,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 200 states have (on average 1.59) internal successors, (318), 237 states have internal predecessors, (318), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-09 12:01:03,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 340 transitions. [2024-11-09 12:01:03,907 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 340 transitions. Word has length 41 [2024-11-09 12:01:03,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:01:03,907 INFO L471 AbstractCegarLoop]: Abstraction has 251 states and 340 transitions. [2024-11-09 12:01:03,907 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 12:01:03,908 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 340 transitions. [2024-11-09 12:01:03,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-09 12:01:03,909 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:01:03,909 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:01:03,910 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-09 12:01:03,910 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-09 12:01:03,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:01:03,911 INFO L85 PathProgramCache]: Analyzing trace with hash -487473922, now seen corresponding path program 1 times [2024-11-09 12:01:03,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:01:03,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915919287] [2024-11-09 12:01:03,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:03,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:01:03,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:04,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 12:01:04,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:04,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 12:01:04,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:04,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 12:01:04,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:04,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 12:01:04,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:04,074 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 12:01:04,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:01:04,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915919287] [2024-11-09 12:01:04,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915919287] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:01:04,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:01:04,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 12:01:04,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454362346] [2024-11-09 12:01:04,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:01:04,079 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 12:01:04,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:01:04,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 12:01:04,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-09 12:01:04,080 INFO L87 Difference]: Start difference. First operand 251 states and 340 transitions. Second operand has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 7 states have internal predecessors, (28), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-09 12:01:04,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:01:04,596 INFO L93 Difference]: Finished difference Result 353 states and 501 transitions. [2024-11-09 12:01:04,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 12:01:04,597 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 7 states have internal predecessors, (28), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 42 [2024-11-09 12:01:04,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:01:04,599 INFO L225 Difference]: With dead ends: 353 [2024-11-09 12:01:04,599 INFO L226 Difference]: Without dead ends: 351 [2024-11-09 12:01:04,600 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2024-11-09 12:01:04,601 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 479 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 303 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 479 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 12:01:04,601 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [479 Valid, 113 Invalid, 330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 303 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 12:01:04,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2024-11-09 12:01:04,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 257. [2024-11-09 12:01:04,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 206 states have (on average 1.5776699029126213) internal successors, (325), 243 states have internal predecessors, (325), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-09 12:01:04,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 347 transitions. [2024-11-09 12:01:04,614 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 347 transitions. Word has length 42 [2024-11-09 12:01:04,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:01:04,614 INFO L471 AbstractCegarLoop]: Abstraction has 257 states and 347 transitions. [2024-11-09 12:01:04,614 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 7 states have internal predecessors, (28), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-09 12:01:04,614 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 347 transitions. [2024-11-09 12:01:04,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-09 12:01:04,615 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:01:04,615 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:01:04,615 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-09 12:01:04,615 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-09 12:01:04,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:01:04,616 INFO L85 PathProgramCache]: Analyzing trace with hash -901642306, now seen corresponding path program 1 times [2024-11-09 12:01:04,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:01:04,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057035873] [2024-11-09 12:01:04,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:04,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:01:04,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:04,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 12:01:04,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:04,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 12:01:04,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:04,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 12:01:04,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:04,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 12:01:04,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:04,682 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 12:01:04,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:01:04,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057035873] [2024-11-09 12:01:04,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057035873] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:01:04,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:01:04,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:01:04,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948321852] [2024-11-09 12:01:04,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:01:04,684 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:01:04,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:01:04,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:01:04,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:01:04,685 INFO L87 Difference]: Start difference. First operand 257 states and 347 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 12:01:05,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:01:05,349 INFO L93 Difference]: Finished difference Result 324 states and 413 transitions. [2024-11-09 12:01:05,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:01:05,350 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 42 [2024-11-09 12:01:05,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:01:05,352 INFO L225 Difference]: With dead ends: 324 [2024-11-09 12:01:05,352 INFO L226 Difference]: Without dead ends: 323 [2024-11-09 12:01:05,352 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:01:05,353 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 61 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 12:01:05,353 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 216 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 12:01:05,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2024-11-09 12:01:05,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 267. [2024-11-09 12:01:05,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 216 states have (on average 1.5740740740740742) internal successors, (340), 253 states have internal predecessors, (340), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-09 12:01:05,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 362 transitions. [2024-11-09 12:01:05,365 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 362 transitions. Word has length 42 [2024-11-09 12:01:05,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:01:05,365 INFO L471 AbstractCegarLoop]: Abstraction has 267 states and 362 transitions. [2024-11-09 12:01:05,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 12:01:05,365 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 362 transitions. [2024-11-09 12:01:05,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-09 12:01:05,366 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:01:05,366 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:01:05,366 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-09 12:01:05,367 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-09 12:01:05,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:01:05,367 INFO L85 PathProgramCache]: Analyzing trace with hash -885543792, now seen corresponding path program 1 times [2024-11-09 12:01:05,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:01:05,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997860764] [2024-11-09 12:01:05,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:05,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:01:05,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:05,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 12:01:05,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:05,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 12:01:05,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:05,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 12:01:05,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:05,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 12:01:05,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:05,423 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 12:01:05,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:01:05,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997860764] [2024-11-09 12:01:05,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997860764] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:01:05,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:01:05,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:01:05,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884474870] [2024-11-09 12:01:05,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:01:05,424 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:01:05,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:01:05,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:01:05,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:01:05,425 INFO L87 Difference]: Start difference. First operand 267 states and 362 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 12:01:06,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:01:06,301 INFO L93 Difference]: Finished difference Result 324 states and 411 transitions. [2024-11-09 12:01:06,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:01:06,302 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 42 [2024-11-09 12:01:06,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:01:06,303 INFO L225 Difference]: With dead ends: 324 [2024-11-09 12:01:06,303 INFO L226 Difference]: Without dead ends: 323 [2024-11-09 12:01:06,304 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:01:06,304 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 60 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-09 12:01:06,304 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 219 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-09 12:01:06,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2024-11-09 12:01:06,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 269. [2024-11-09 12:01:06,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 218 states have (on average 1.5688073394495412) internal successors, (342), 255 states have internal predecessors, (342), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-09 12:01:06,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 364 transitions. [2024-11-09 12:01:06,316 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 364 transitions. Word has length 42 [2024-11-09 12:01:06,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:01:06,316 INFO L471 AbstractCegarLoop]: Abstraction has 269 states and 364 transitions. [2024-11-09 12:01:06,316 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 12:01:06,317 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 364 transitions. [2024-11-09 12:01:06,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-09 12:01:06,317 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:01:06,317 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:01:06,317 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-09 12:01:06,318 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-09 12:01:06,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:01:06,318 INFO L85 PathProgramCache]: Analyzing trace with hash 2068177733, now seen corresponding path program 1 times [2024-11-09 12:01:06,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:01:06,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495517024] [2024-11-09 12:01:06,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:06,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:01:06,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:06,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 12:01:06,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:06,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 12:01:06,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:06,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 12:01:06,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:06,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 12:01:06,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:06,417 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 12:01:06,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:01:06,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495517024] [2024-11-09 12:01:06,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495517024] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:01:06,418 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:01:06,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 12:01:06,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427523934] [2024-11-09 12:01:06,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:01:06,419 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 12:01:06,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:01:06,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 12:01:06,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-09 12:01:06,420 INFO L87 Difference]: Start difference. First operand 269 states and 364 transitions. Second operand has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 7 states have internal predecessors, (29), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-09 12:01:06,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:01:06,846 INFO L93 Difference]: Finished difference Result 276 states and 371 transitions. [2024-11-09 12:01:06,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 12:01:06,846 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 7 states have internal predecessors, (29), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 43 [2024-11-09 12:01:06,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:01:06,848 INFO L225 Difference]: With dead ends: 276 [2024-11-09 12:01:06,848 INFO L226 Difference]: Without dead ends: 274 [2024-11-09 12:01:06,848 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2024-11-09 12:01:06,849 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 415 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 415 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 12:01:06,849 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [415 Valid, 95 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 12:01:06,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2024-11-09 12:01:06,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 269. [2024-11-09 12:01:06,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 218 states have (on average 1.555045871559633) internal successors, (339), 255 states have internal predecessors, (339), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-09 12:01:06,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 361 transitions. [2024-11-09 12:01:06,862 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 361 transitions. Word has length 43 [2024-11-09 12:01:06,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:01:06,862 INFO L471 AbstractCegarLoop]: Abstraction has 269 states and 361 transitions. [2024-11-09 12:01:06,862 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 7 states have internal predecessors, (29), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-09 12:01:06,863 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 361 transitions. [2024-11-09 12:01:06,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-09 12:01:06,863 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:01:06,863 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:01:06,864 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-09 12:01:06,864 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-09 12:01:06,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:01:06,864 INFO L85 PathProgramCache]: Analyzing trace with hash 2113859703, now seen corresponding path program 1 times [2024-11-09 12:01:06,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:01:06,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969539983] [2024-11-09 12:01:06,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:06,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:01:06,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:07,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 12:01:07,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:07,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 12:01:07,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:07,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 12:01:07,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:07,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 12:01:07,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:07,069 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 12:01:07,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:01:07,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969539983] [2024-11-09 12:01:07,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1969539983] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:01:07,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:01:07,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:01:07,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792100092] [2024-11-09 12:01:07,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:01:07,070 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:01:07,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:01:07,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:01:07,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:01:07,071 INFO L87 Difference]: Start difference. First operand 269 states and 361 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 12:01:08,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:01:08,303 INFO L93 Difference]: Finished difference Result 324 states and 405 transitions. [2024-11-09 12:01:08,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:01:08,303 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 43 [2024-11-09 12:01:08,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:01:08,305 INFO L225 Difference]: With dead ends: 324 [2024-11-09 12:01:08,305 INFO L226 Difference]: Without dead ends: 323 [2024-11-09 12:01:08,305 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:01:08,306 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 59 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-09 12:01:08,306 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 238 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-09 12:01:08,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2024-11-09 12:01:08,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 271. [2024-11-09 12:01:08,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 271 states, 220 states have (on average 1.55) internal successors, (341), 257 states have internal predecessors, (341), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-09 12:01:08,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 363 transitions. [2024-11-09 12:01:08,318 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 363 transitions. Word has length 43 [2024-11-09 12:01:08,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:01:08,319 INFO L471 AbstractCegarLoop]: Abstraction has 271 states and 363 transitions. [2024-11-09 12:01:08,319 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 12:01:08,319 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 363 transitions. [2024-11-09 12:01:08,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-09 12:01:08,319 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:01:08,320 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:01:08,320 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-09 12:01:08,320 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-09 12:01:08,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:01:08,320 INFO L85 PathProgramCache]: Analyzing trace with hash 903714664, now seen corresponding path program 1 times [2024-11-09 12:01:08,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:01:08,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617312864] [2024-11-09 12:01:08,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:08,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:01:08,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:01:08,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [119363274] [2024-11-09 12:01:08,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:08,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:01:08,346 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:01:08,347 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:01:08,350 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-09 12:01:08,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:08,389 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-09 12:01:08,391 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:01:08,700 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 12:01:08,701 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:01:10,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:01:10,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617312864] [2024-11-09 12:01:10,614 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:01:10,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [119363274] [2024-11-09 12:01:10,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [119363274] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:01:10,616 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 12:01:10,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-09 12:01:10,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174953715] [2024-11-09 12:01:10,616 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 12:01:10,617 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 12:01:10,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:01:10,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 12:01:10,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=173, Unknown=0, NotChecked=0, Total=240 [2024-11-09 12:01:10,618 INFO L87 Difference]: Start difference. First operand 271 states and 363 transitions. Second operand has 11 states, 10 states have (on average 3.2) internal successors, (32), 10 states have internal predecessors, (32), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 12:01:11,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:01:11,235 INFO L93 Difference]: Finished difference Result 382 states and 527 transitions. [2024-11-09 12:01:11,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 12:01:11,236 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.2) internal successors, (32), 10 states have internal predecessors, (32), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 43 [2024-11-09 12:01:11,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:01:11,237 INFO L225 Difference]: With dead ends: 382 [2024-11-09 12:01:11,237 INFO L226 Difference]: Without dead ends: 357 [2024-11-09 12:01:11,238 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=122, Invalid=258, Unknown=0, NotChecked=0, Total=380 [2024-11-09 12:01:11,238 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 353 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 535 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 355 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 12:01:11,238 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [355 Valid, 221 Invalid, 561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 535 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 12:01:11,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2024-11-09 12:01:11,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 342. [2024-11-09 12:01:11,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 288 states have (on average 1.5104166666666667) internal successors, (435), 325 states have internal predecessors, (435), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-09 12:01:11,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 463 transitions. [2024-11-09 12:01:11,255 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 463 transitions. Word has length 43 [2024-11-09 12:01:11,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:01:11,256 INFO L471 AbstractCegarLoop]: Abstraction has 342 states and 463 transitions. [2024-11-09 12:01:11,256 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.2) internal successors, (32), 10 states have internal predecessors, (32), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 12:01:11,256 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 463 transitions. [2024-11-09 12:01:11,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-09 12:01:11,257 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:01:11,257 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:01:11,274 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-09 12:01:11,460 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-09 12:01:11,461 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-09 12:01:11,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:01:11,462 INFO L85 PathProgramCache]: Analyzing trace with hash -2049616438, now seen corresponding path program 1 times [2024-11-09 12:01:11,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:01:11,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617022919] [2024-11-09 12:01:11,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:11,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:01:11,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:01:11,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [432491604] [2024-11-09 12:01:11,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:11,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:01:11,490 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:01:11,498 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:01:11,512 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-09 12:01:11,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:11,564 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-09 12:01:11,568 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:01:12,138 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 12:01:12,138 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:01:13,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:01:13,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617022919] [2024-11-09 12:01:13,293 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:01:13,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [432491604] [2024-11-09 12:01:13,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [432491604] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:01:13,293 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 12:01:13,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-09 12:01:13,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085062999] [2024-11-09 12:01:13,294 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 12:01:13,294 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 12:01:13,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:01:13,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 12:01:13,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2024-11-09 12:01:13,296 INFO L87 Difference]: Start difference. First operand 342 states and 463 transitions. Second operand has 12 states, 11 states have (on average 3.0) internal successors, (33), 11 states have internal predecessors, (33), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 12:01:15,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:01:15,491 INFO L93 Difference]: Finished difference Result 387 states and 516 transitions. [2024-11-09 12:01:15,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 12:01:15,492 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.0) internal successors, (33), 11 states have internal predecessors, (33), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 44 [2024-11-09 12:01:15,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:01:15,494 INFO L225 Difference]: With dead ends: 387 [2024-11-09 12:01:15,494 INFO L226 Difference]: Without dead ends: 368 [2024-11-09 12:01:15,494 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=207, Invalid=443, Unknown=0, NotChecked=0, Total=650 [2024-11-09 12:01:15,495 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 259 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 731 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 261 SdHoareTripleChecker+Valid, 250 SdHoareTripleChecker+Invalid, 770 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 731 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-09 12:01:15,495 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [261 Valid, 250 Invalid, 770 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 731 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-09 12:01:15,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2024-11-09 12:01:15,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 288. [2024-11-09 12:01:15,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 238 states have (on average 1.4285714285714286) internal successors, (340), 275 states have internal predecessors, (340), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-09 12:01:15,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 360 transitions. [2024-11-09 12:01:15,510 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 360 transitions. Word has length 44 [2024-11-09 12:01:15,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:01:15,510 INFO L471 AbstractCegarLoop]: Abstraction has 288 states and 360 transitions. [2024-11-09 12:01:15,511 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.0) internal successors, (33), 11 states have internal predecessors, (33), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 12:01:15,511 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 360 transitions. [2024-11-09 12:01:15,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-09 12:01:15,511 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:01:15,512 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:01:15,529 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-09 12:01:15,713 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:01:15,713 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-09 12:01:15,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:01:15,714 INFO L85 PathProgramCache]: Analyzing trace with hash 1777114818, now seen corresponding path program 1 times [2024-11-09 12:01:15,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:01:15,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609784730] [2024-11-09 12:01:15,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:15,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:01:15,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:01:15,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [490684529] [2024-11-09 12:01:15,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:15,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:01:15,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:01:15,745 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:01:15,746 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-09 12:01:15,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:15,792 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 12:01:15,793 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:01:15,949 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 12:01:15,949 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:01:15,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:01:15,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609784730] [2024-11-09 12:01:15,950 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:01:15,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [490684529] [2024-11-09 12:01:15,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [490684529] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:01:15,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:01:15,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 12:01:15,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68396981] [2024-11-09 12:01:15,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:01:15,951 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 12:01:15,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:01:15,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 12:01:15,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-09 12:01:15,952 INFO L87 Difference]: Start difference. First operand 288 states and 360 transitions. Second operand has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 7 states have internal predecessors, (32), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-09 12:01:16,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:01:16,672 INFO L93 Difference]: Finished difference Result 377 states and 490 transitions. [2024-11-09 12:01:16,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 12:01:16,673 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 7 states have internal predecessors, (32), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 46 [2024-11-09 12:01:16,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:01:16,675 INFO L225 Difference]: With dead ends: 377 [2024-11-09 12:01:16,675 INFO L226 Difference]: Without dead ends: 369 [2024-11-09 12:01:16,675 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-11-09 12:01:16,676 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 392 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 302 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 394 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 12:01:16,676 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [394 Valid, 99 Invalid, 333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 302 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 12:01:16,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2024-11-09 12:01:16,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 323. [2024-11-09 12:01:16,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 272 states have (on average 1.4375) internal successors, (391), 309 states have internal predecessors, (391), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-09 12:01:16,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 413 transitions. [2024-11-09 12:01:16,694 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 413 transitions. Word has length 46 [2024-11-09 12:01:16,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:01:16,695 INFO L471 AbstractCegarLoop]: Abstraction has 323 states and 413 transitions. [2024-11-09 12:01:16,695 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 7 states have internal predecessors, (32), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-09 12:01:16,695 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 413 transitions. [2024-11-09 12:01:16,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-09 12:01:16,696 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:01:16,696 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:01:16,715 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-09 12:01:16,900 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:01:16,901 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-09 12:01:16,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:01:16,901 INFO L85 PathProgramCache]: Analyzing trace with hash 1708593612, now seen corresponding path program 1 times [2024-11-09 12:01:16,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:01:16,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828221647] [2024-11-09 12:01:16,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:16,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:01:16,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:01:16,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [965719316] [2024-11-09 12:01:16,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:16,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:01:16,918 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:01:16,920 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:01:16,922 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-09 12:01:16,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:16,970 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-09 12:01:16,972 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:01:17,810 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 12:01:17,810 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:01:19,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:01:19,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828221647] [2024-11-09 12:01:19,275 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:01:19,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [965719316] [2024-11-09 12:01:19,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [965719316] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:01:19,275 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 12:01:19,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-09 12:01:19,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578698829] [2024-11-09 12:01:19,276 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 12:01:19,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 12:01:19,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:01:19,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 12:01:19,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=230, Unknown=0, NotChecked=0, Total=306 [2024-11-09 12:01:19,277 INFO L87 Difference]: Start difference. First operand 323 states and 413 transitions. Second operand has 13 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 12:01:20,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:01:20,589 INFO L93 Difference]: Finished difference Result 489 states and 610 transitions. [2024-11-09 12:01:20,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 12:01:20,590 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 46 [2024-11-09 12:01:20,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:01:20,591 INFO L225 Difference]: With dead ends: 489 [2024-11-09 12:01:20,591 INFO L226 Difference]: Without dead ends: 330 [2024-11-09 12:01:20,592 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 42 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=149, Invalid=403, Unknown=0, NotChecked=0, Total=552 [2024-11-09 12:01:20,593 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 318 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 689 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 320 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 704 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 689 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:01:20,593 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [320 Valid, 261 Invalid, 704 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 689 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-09 12:01:20,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2024-11-09 12:01:20,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 324. [2024-11-09 12:01:20,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 272 states have (on average 1.4227941176470589) internal successors, (387), 309 states have internal predecessors, (387), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-09 12:01:20,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 411 transitions. [2024-11-09 12:01:20,610 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 411 transitions. Word has length 46 [2024-11-09 12:01:20,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:01:20,610 INFO L471 AbstractCegarLoop]: Abstraction has 324 states and 411 transitions. [2024-11-09 12:01:20,611 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 12:01:20,611 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 411 transitions. [2024-11-09 12:01:20,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-09 12:01:20,611 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:01:20,612 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:01:20,633 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-09 12:01:20,815 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-11-09 12:01:20,816 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-09 12:01:20,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:01:20,817 INFO L85 PathProgramCache]: Analyzing trace with hash -744015351, now seen corresponding path program 1 times [2024-11-09 12:01:20,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:01:20,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880754456] [2024-11-09 12:01:20,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:20,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:01:20,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:01:20,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1874368554] [2024-11-09 12:01:20,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:20,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:01:20,848 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:01:20,850 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:01:20,851 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-09 12:01:20,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:20,894 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 12:01:20,897 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:01:21,049 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 12:01:21,049 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:01:21,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:01:21,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880754456] [2024-11-09 12:01:21,050 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:01:21,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1874368554] [2024-11-09 12:01:21,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1874368554] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:01:21,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:01:21,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 12:01:21,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355668484] [2024-11-09 12:01:21,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:01:21,051 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 12:01:21,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:01:21,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 12:01:21,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-09 12:01:21,052 INFO L87 Difference]: Start difference. First operand 324 states and 411 transitions. Second operand has 7 states, 6 states have (on average 5.5) internal successors, (33), 7 states have internal predecessors, (33), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-09 12:01:21,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:01:21,480 INFO L93 Difference]: Finished difference Result 350 states and 444 transitions. [2024-11-09 12:01:21,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 12:01:21,481 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.5) internal successors, (33), 7 states have internal predecessors, (33), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 47 [2024-11-09 12:01:21,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:01:21,482 INFO L225 Difference]: With dead ends: 350 [2024-11-09 12:01:21,482 INFO L226 Difference]: Without dead ends: 349 [2024-11-09 12:01:21,483 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-11-09 12:01:21,483 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 408 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 410 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 12:01:21,483 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [410 Valid, 83 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 12:01:21,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2024-11-09 12:01:21,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 324. [2024-11-09 12:01:21,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 272 states have (on average 1.4154411764705883) internal successors, (385), 309 states have internal predecessors, (385), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-09 12:01:21,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 409 transitions. [2024-11-09 12:01:21,501 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 409 transitions. Word has length 47 [2024-11-09 12:01:21,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:01:21,501 INFO L471 AbstractCegarLoop]: Abstraction has 324 states and 409 transitions. [2024-11-09 12:01:21,501 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.5) internal successors, (33), 7 states have internal predecessors, (33), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-09 12:01:21,501 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 409 transitions. [2024-11-09 12:01:21,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-09 12:01:21,502 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:01:21,502 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:01:21,521 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-09 12:01:21,702 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-11-09 12:01:21,703 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-09 12:01:21,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:01:21,703 INFO L85 PathProgramCache]: Analyzing trace with hash -1589639260, now seen corresponding path program 1 times [2024-11-09 12:01:21,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:01:21,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63744955] [2024-11-09 12:01:21,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:21,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:01:21,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:21,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 12:01:21,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:21,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 12:01:21,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:21,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 12:01:21,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:21,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 12:01:21,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:21,823 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 12:01:21,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:01:21,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63744955] [2024-11-09 12:01:21,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63744955] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:01:21,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:01:21,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:01:21,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062129628] [2024-11-09 12:01:21,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:01:21,825 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:01:21,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:01:21,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:01:21,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:01:21,826 INFO L87 Difference]: Start difference. First operand 324 states and 409 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 12:01:22,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:01:22,196 INFO L93 Difference]: Finished difference Result 344 states and 429 transitions. [2024-11-09 12:01:22,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:01:22,197 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 48 [2024-11-09 12:01:22,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:01:22,198 INFO L225 Difference]: With dead ends: 344 [2024-11-09 12:01:22,198 INFO L226 Difference]: Without dead ends: 343 [2024-11-09 12:01:22,199 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:01:22,199 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 28 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 12:01:22,200 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 193 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 12:01:22,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2024-11-09 12:01:22,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 335. [2024-11-09 12:01:22,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 283 states have (on average 1.4169611307420495) internal successors, (401), 320 states have internal predecessors, (401), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-09 12:01:22,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 425 transitions. [2024-11-09 12:01:22,217 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 425 transitions. Word has length 48 [2024-11-09 12:01:22,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:01:22,218 INFO L471 AbstractCegarLoop]: Abstraction has 335 states and 425 transitions. [2024-11-09 12:01:22,218 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 12:01:22,218 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 425 transitions. [2024-11-09 12:01:22,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-09 12:01:22,219 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:01:22,219 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:01:22,219 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-09 12:01:22,219 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-09 12:01:22,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:01:22,220 INFO L85 PathProgramCache]: Analyzing trace with hash 142793174, now seen corresponding path program 1 times [2024-11-09 12:01:22,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:01:22,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841533986] [2024-11-09 12:01:22,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:22,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:01:22,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:01:22,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [275393132] [2024-11-09 12:01:22,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:22,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:01:22,235 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:01:22,237 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:01:22,246 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-09 12:01:22,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:22,295 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 12:01:22,297 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:01:22,462 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 12:01:22,462 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:01:22,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:01:22,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841533986] [2024-11-09 12:01:22,462 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:01:22,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [275393132] [2024-11-09 12:01:22,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [275393132] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:01:22,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:01:22,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 12:01:22,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127621605] [2024-11-09 12:01:22,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:01:22,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 12:01:22,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:01:22,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 12:01:22,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-09 12:01:22,465 INFO L87 Difference]: Start difference. First operand 335 states and 425 transitions. Second operand has 8 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 12:01:22,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:01:22,870 INFO L93 Difference]: Finished difference Result 367 states and 463 transitions. [2024-11-09 12:01:22,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 12:01:22,871 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 48 [2024-11-09 12:01:22,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:01:22,872 INFO L225 Difference]: With dead ends: 367 [2024-11-09 12:01:22,872 INFO L226 Difference]: Without dead ends: 365 [2024-11-09 12:01:22,873 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-09 12:01:22,873 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 173 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 12:01:22,873 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 273 Invalid, 327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 321 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 12:01:22,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2024-11-09 12:01:22,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 354. [2024-11-09 12:01:22,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 301 states have (on average 1.4053156146179402) internal successors, (423), 338 states have internal predecessors, (423), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-09 12:01:22,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 449 transitions. [2024-11-09 12:01:22,892 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 449 transitions. Word has length 48 [2024-11-09 12:01:22,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:01:22,892 INFO L471 AbstractCegarLoop]: Abstraction has 354 states and 449 transitions. [2024-11-09 12:01:22,892 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 12:01:22,892 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 449 transitions. [2024-11-09 12:01:22,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-09 12:01:22,893 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:01:22,893 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:01:22,910 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-09 12:01:23,093 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:01:23,094 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-09 12:01:23,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:01:23,095 INFO L85 PathProgramCache]: Analyzing trace with hash -2034176661, now seen corresponding path program 1 times [2024-11-09 12:01:23,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:01:23,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808231662] [2024-11-09 12:01:23,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:23,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:01:23,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:23,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 12:01:23,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:23,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 12:01:23,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:23,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 12:01:23,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:23,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 12:01:23,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:23,221 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 12:01:23,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:01:23,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808231662] [2024-11-09 12:01:23,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808231662] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:01:23,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:01:23,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:01:23,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533302024] [2024-11-09 12:01:23,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:01:23,223 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:01:23,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:01:23,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:01:23,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:01:23,224 INFO L87 Difference]: Start difference. First operand 354 states and 449 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 12:01:23,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:01:23,797 INFO L93 Difference]: Finished difference Result 363 states and 451 transitions. [2024-11-09 12:01:23,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:01:23,798 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 49 [2024-11-09 12:01:23,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:01:23,799 INFO L225 Difference]: With dead ends: 363 [2024-11-09 12:01:23,799 INFO L226 Difference]: Without dead ends: 362 [2024-11-09 12:01:23,799 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:01:23,800 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 26 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 12:01:23,800 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 215 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 12:01:23,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2024-11-09 12:01:23,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 355. [2024-11-09 12:01:23,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 355 states, 302 states have (on average 1.400662251655629) internal successors, (423), 339 states have internal predecessors, (423), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-09 12:01:23,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 449 transitions. [2024-11-09 12:01:23,823 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 449 transitions. Word has length 49 [2024-11-09 12:01:23,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:01:23,824 INFO L471 AbstractCegarLoop]: Abstraction has 355 states and 449 transitions. [2024-11-09 12:01:23,824 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 12:01:23,824 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 449 transitions. [2024-11-09 12:01:23,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-09 12:01:23,825 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:01:23,825 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:01:23,825 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-09 12:01:23,825 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-09 12:01:23,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:01:23,825 INFO L85 PathProgramCache]: Analyzing trace with hash 1196119165, now seen corresponding path program 1 times [2024-11-09 12:01:23,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:01:23,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714737687] [2024-11-09 12:01:23,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:23,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:01:23,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:01:23,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1800207958] [2024-11-09 12:01:23,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:23,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:01:23,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:01:23,849 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:01:23,853 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-09 12:01:23,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:23,899 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 12:01:23,900 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:01:24,074 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 12:01:24,074 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:01:28,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:01:28,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714737687] [2024-11-09 12:01:28,655 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:01:28,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1800207958] [2024-11-09 12:01:28,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1800207958] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:01:28,656 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 12:01:28,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-09 12:01:28,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381722103] [2024-11-09 12:01:28,656 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 12:01:28,656 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 12:01:28,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:01:28,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 12:01:28,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=80, Unknown=1, NotChecked=0, Total=110 [2024-11-09 12:01:28,658 INFO L87 Difference]: Start difference. First operand 355 states and 449 transitions. Second operand has 8 states, 7 states have (on average 5.428571428571429) internal successors, (38), 8 states have internal predecessors, (38), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-09 12:01:29,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:01:29,275 INFO L93 Difference]: Finished difference Result 387 states and 487 transitions. [2024-11-09 12:01:29,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 12:01:29,275 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.428571428571429) internal successors, (38), 8 states have internal predecessors, (38), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 49 [2024-11-09 12:01:29,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:01:29,276 INFO L225 Difference]: With dead ends: 387 [2024-11-09 12:01:29,277 INFO L226 Difference]: Without dead ends: 385 [2024-11-09 12:01:29,277 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=54, Invalid=127, Unknown=1, NotChecked=0, Total=182 [2024-11-09 12:01:29,277 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 153 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 482 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 489 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 482 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 12:01:29,278 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 302 Invalid, 489 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 482 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 12:01:29,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2024-11-09 12:01:29,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 375. [2024-11-09 12:01:29,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 321 states have (on average 1.3925233644859814) internal successors, (447), 358 states have internal predecessors, (447), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-09 12:01:29,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 475 transitions. [2024-11-09 12:01:29,297 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 475 transitions. Word has length 49 [2024-11-09 12:01:29,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:01:29,297 INFO L471 AbstractCegarLoop]: Abstraction has 375 states and 475 transitions. [2024-11-09 12:01:29,298 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.428571428571429) internal successors, (38), 8 states have internal predecessors, (38), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-09 12:01:29,298 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 475 transitions. [2024-11-09 12:01:29,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-09 12:01:29,298 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:01:29,299 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:01:29,316 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-11-09 12:01:29,502 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-09 12:01:29,503 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-09 12:01:29,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:01:29,503 INFO L85 PathProgramCache]: Analyzing trace with hash 131621156, now seen corresponding path program 1 times [2024-11-09 12:01:29,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:01:29,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652209895] [2024-11-09 12:01:29,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:29,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:01:29,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:01:29,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1294118684] [2024-11-09 12:01:29,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:29,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:01:29,517 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:01:29,519 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:01:29,520 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-09 12:01:29,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:29,566 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-09 12:01:29,570 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:01:29,968 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 12:01:29,969 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:01:30,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:01:30,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652209895] [2024-11-09 12:01:30,327 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:01:30,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1294118684] [2024-11-09 12:01:30,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1294118684] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:01:30,328 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 12:01:30,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-09 12:01:30,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390278348] [2024-11-09 12:01:30,328 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 12:01:30,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 12:01:30,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:01:30,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 12:01:30,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2024-11-09 12:01:30,329 INFO L87 Difference]: Start difference. First operand 375 states and 475 transitions. Second operand has 11 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 12:01:30,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:01:30,878 INFO L93 Difference]: Finished difference Result 605 states and 766 transitions. [2024-11-09 12:01:30,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 12:01:30,879 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 49 [2024-11-09 12:01:30,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:01:30,880 INFO L225 Difference]: With dead ends: 605 [2024-11-09 12:01:30,880 INFO L226 Difference]: Without dead ends: 350 [2024-11-09 12:01:30,881 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 70 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2024-11-09 12:01:30,881 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 266 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 575 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 268 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 584 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 575 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 12:01:30,882 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [268 Valid, 281 Invalid, 584 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 575 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 12:01:30,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2024-11-09 12:01:30,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 350. [2024-11-09 12:01:30,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 350 states, 297 states have (on average 1.4074074074074074) internal successors, (418), 334 states have internal predecessors, (418), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-09 12:01:30,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 444 transitions. [2024-11-09 12:01:30,898 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 444 transitions. Word has length 49 [2024-11-09 12:01:30,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:01:30,899 INFO L471 AbstractCegarLoop]: Abstraction has 350 states and 444 transitions. [2024-11-09 12:01:30,899 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 12:01:30,899 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 444 transitions. [2024-11-09 12:01:30,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-09 12:01:30,899 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:01:30,899 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:01:30,916 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-11-09 12:01:31,100 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-09 12:01:31,100 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-09 12:01:31,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:01:31,101 INFO L85 PathProgramCache]: Analyzing trace with hash -1575011491, now seen corresponding path program 1 times [2024-11-09 12:01:31,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:01:31,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965787650] [2024-11-09 12:01:31,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:31,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:01:31,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:01:31,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [521874847] [2024-11-09 12:01:31,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:31,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:01:31,113 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:01:31,116 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:01:31,117 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-09 12:01:31,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:31,162 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-09 12:01:31,163 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:01:31,538 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 12:01:31,538 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:01:31,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:01:31,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965787650] [2024-11-09 12:01:31,803 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:01:31,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [521874847] [2024-11-09 12:01:31,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [521874847] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:01:31,803 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 12:01:31,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-09 12:01:31,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650439474] [2024-11-09 12:01:31,803 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 12:01:31,803 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 12:01:31,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:01:31,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 12:01:31,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2024-11-09 12:01:31,804 INFO L87 Difference]: Start difference. First operand 350 states and 444 transitions. Second operand has 11 states, 10 states have (on average 3.9) internal successors, (39), 10 states have internal predecessors, (39), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 12:01:32,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:01:32,437 INFO L93 Difference]: Finished difference Result 532 states and 674 transitions. [2024-11-09 12:01:32,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 12:01:32,437 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.9) internal successors, (39), 10 states have internal predecessors, (39), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 50 [2024-11-09 12:01:32,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:01:32,438 INFO L225 Difference]: With dead ends: 532 [2024-11-09 12:01:32,438 INFO L226 Difference]: Without dead ends: 276 [2024-11-09 12:01:32,439 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 68 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=102, Invalid=278, Unknown=0, NotChecked=0, Total=380 [2024-11-09 12:01:32,439 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 279 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 502 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 281 SdHoareTripleChecker+Valid, 250 SdHoareTripleChecker+Invalid, 514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 12:01:32,439 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [281 Valid, 250 Invalid, 514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 502 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 12:01:32,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2024-11-09 12:01:32,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 276. [2024-11-09 12:01:32,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 226 states have (on average 1.4601769911504425) internal successors, (330), 263 states have internal predecessors, (330), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-09 12:01:32,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 350 transitions. [2024-11-09 12:01:32,451 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 350 transitions. Word has length 50 [2024-11-09 12:01:32,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:01:32,451 INFO L471 AbstractCegarLoop]: Abstraction has 276 states and 350 transitions. [2024-11-09 12:01:32,451 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.9) internal successors, (39), 10 states have internal predecessors, (39), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 12:01:32,452 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 350 transitions. [2024-11-09 12:01:32,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-09 12:01:32,452 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:01:32,452 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:01:32,469 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-11-09 12:01:32,653 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-11-09 12:01:32,653 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-09 12:01:32,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:01:32,654 INFO L85 PathProgramCache]: Analyzing trace with hash -633650067, now seen corresponding path program 1 times [2024-11-09 12:01:32,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:01:32,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041070795] [2024-11-09 12:01:32,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:32,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:01:32,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:01:32,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1446721969] [2024-11-09 12:01:32,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:32,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:01:32,682 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:01:32,686 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:01:32,688 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-09 12:01:32,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:32,733 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-09 12:01:32,734 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:01:32,978 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 12:01:32,978 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:01:33,518 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 12:01:33,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:01:33,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041070795] [2024-11-09 12:01:33,519 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:01:33,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1446721969] [2024-11-09 12:01:33,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1446721969] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:01:33,519 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 12:01:33,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 16 [2024-11-09 12:01:33,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560777365] [2024-11-09 12:01:33,519 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 12:01:33,519 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-09 12:01:33,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:01:33,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-09 12:01:33,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272 [2024-11-09 12:01:33,520 INFO L87 Difference]: Start difference. First operand 276 states and 350 transitions. Second operand has 17 states, 16 states have (on average 3.5625) internal successors, (57), 15 states have internal predecessors, (57), 5 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 6 states have call predecessors, (8), 5 states have call successors, (8) [2024-11-09 12:01:34,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:01:34,608 INFO L93 Difference]: Finished difference Result 513 states and 664 transitions. [2024-11-09 12:01:34,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-09 12:01:34,608 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 3.5625) internal successors, (57), 15 states have internal predecessors, (57), 5 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 6 states have call predecessors, (8), 5 states have call successors, (8) Word has length 51 [2024-11-09 12:01:34,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:01:34,609 INFO L225 Difference]: With dead ends: 513 [2024-11-09 12:01:34,609 INFO L226 Difference]: Without dead ends: 290 [2024-11-09 12:01:34,610 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 84 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=191, Invalid=565, Unknown=0, NotChecked=0, Total=756 [2024-11-09 12:01:34,610 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 668 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 752 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 670 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 814 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 752 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-09 12:01:34,611 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [670 Valid, 254 Invalid, 814 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 752 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-09 12:01:34,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2024-11-09 12:01:34,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 260. [2024-11-09 12:01:34,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 260 states, 210 states have (on average 1.4476190476190476) internal successors, (304), 247 states have internal predecessors, (304), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-09 12:01:34,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 324 transitions. [2024-11-09 12:01:34,624 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 324 transitions. Word has length 51 [2024-11-09 12:01:34,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:01:34,624 INFO L471 AbstractCegarLoop]: Abstraction has 260 states and 324 transitions. [2024-11-09 12:01:34,624 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 3.5625) internal successors, (57), 15 states have internal predecessors, (57), 5 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 6 states have call predecessors, (8), 5 states have call successors, (8) [2024-11-09 12:01:34,624 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 324 transitions. [2024-11-09 12:01:34,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 12:01:34,625 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:01:34,625 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:01:34,642 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-09 12:01:34,825 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-09 12:01:34,826 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-09 12:01:34,826 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:01:34,826 INFO L85 PathProgramCache]: Analyzing trace with hash 152095345, now seen corresponding path program 1 times [2024-11-09 12:01:34,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:01:34,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558617016] [2024-11-09 12:01:34,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:34,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:01:34,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:01:34,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1151225643] [2024-11-09 12:01:34,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:34,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:01:34,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:01:34,851 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:01:34,854 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-09 12:01:34,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:34,899 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-09 12:01:34,900 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:01:35,187 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 12:01:35,187 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:01:36,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:01:36,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558617016] [2024-11-09 12:01:36,996 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:01:36,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1151225643] [2024-11-09 12:01:36,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1151225643] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:01:36,997 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 12:01:36,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-09 12:01:36,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052662823] [2024-11-09 12:01:36,997 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 12:01:36,997 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 12:01:36,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:01:36,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 12:01:36,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=177, Unknown=0, NotChecked=0, Total=240 [2024-11-09 12:01:36,998 INFO L87 Difference]: Start difference. First operand 260 states and 324 transitions. Second operand has 10 states, 9 states have (on average 4.888888888888889) internal successors, (44), 9 states have internal predecessors, (44), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-09 12:01:37,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:01:37,536 INFO L93 Difference]: Finished difference Result 270 states and 334 transitions. [2024-11-09 12:01:37,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 12:01:37,537 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 4.888888888888889) internal successors, (44), 9 states have internal predecessors, (44), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 55 [2024-11-09 12:01:37,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:01:37,538 INFO L225 Difference]: With dead ends: 270 [2024-11-09 12:01:37,538 INFO L226 Difference]: Without dead ends: 269 [2024-11-09 12:01:37,538 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=115, Invalid=265, Unknown=0, NotChecked=0, Total=380 [2024-11-09 12:01:37,539 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 251 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 440 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 440 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 12:01:37,539 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [253 Valid, 258 Invalid, 446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 440 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 12:01:37,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2024-11-09 12:01:37,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 268. [2024-11-09 12:01:37,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 218 states have (on average 1.4311926605504588) internal successors, (312), 255 states have internal predecessors, (312), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-09 12:01:37,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 332 transitions. [2024-11-09 12:01:37,559 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 332 transitions. Word has length 55 [2024-11-09 12:01:37,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:01:37,559 INFO L471 AbstractCegarLoop]: Abstraction has 268 states and 332 transitions. [2024-11-09 12:01:37,559 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 4.888888888888889) internal successors, (44), 9 states have internal predecessors, (44), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-09 12:01:37,559 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 332 transitions. [2024-11-09 12:01:37,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-09 12:01:37,560 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:01:37,560 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:01:37,576 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-09 12:01:37,760 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:01:37,761 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-09 12:01:37,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:01:37,762 INFO L85 PathProgramCache]: Analyzing trace with hash 419988457, now seen corresponding path program 1 times [2024-11-09 12:01:37,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:01:37,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405612988] [2024-11-09 12:01:37,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:37,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:01:37,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:01:37,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2016728281] [2024-11-09 12:01:37,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:37,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:01:37,788 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:01:37,790 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:01:37,791 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-09 12:01:37,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:37,834 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-09 12:01:37,835 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:01:38,402 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 12:01:38,403 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:01:41,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:01:41,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405612988] [2024-11-09 12:01:41,129 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:01:41,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2016728281] [2024-11-09 12:01:41,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2016728281] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:01:41,129 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 12:01:41,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-09 12:01:41,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261478606] [2024-11-09 12:01:41,129 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 12:01:41,129 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 12:01:41,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:01:41,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 12:01:41,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2024-11-09 12:01:41,130 INFO L87 Difference]: Start difference. First operand 268 states and 332 transitions. Second operand has 13 states, 12 states have (on average 3.75) internal successors, (45), 12 states have internal predecessors, (45), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 12:01:41,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:01:41,707 INFO L93 Difference]: Finished difference Result 270 states and 333 transitions. [2024-11-09 12:01:41,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 12:01:41,707 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 3.75) internal successors, (45), 12 states have internal predecessors, (45), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 56 [2024-11-09 12:01:41,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:01:41,708 INFO L225 Difference]: With dead ends: 270 [2024-11-09 12:01:41,708 INFO L226 Difference]: Without dead ends: 248 [2024-11-09 12:01:41,709 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=218, Invalid=538, Unknown=0, NotChecked=0, Total=756 [2024-11-09 12:01:41,709 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 125 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 661 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 664 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 661 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 12:01:41,709 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 302 Invalid, 664 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 661 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 12:01:41,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2024-11-09 12:01:41,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 248. [2024-11-09 12:01:41,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 198 states have (on average 1.4696969696969697) internal successors, (291), 235 states have internal predecessors, (291), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-09 12:01:41,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 311 transitions. [2024-11-09 12:01:41,722 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 311 transitions. Word has length 56 [2024-11-09 12:01:41,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:01:41,722 INFO L471 AbstractCegarLoop]: Abstraction has 248 states and 311 transitions. [2024-11-09 12:01:41,722 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 3.75) internal successors, (45), 12 states have internal predecessors, (45), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 12:01:41,722 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 311 transitions. [2024-11-09 12:01:41,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-09 12:01:41,722 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:01:41,723 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:01:41,740 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-11-09 12:01:41,923 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2024-11-09 12:01:41,923 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-09 12:01:41,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:01:41,924 INFO L85 PathProgramCache]: Analyzing trace with hash 1702635893, now seen corresponding path program 1 times [2024-11-09 12:01:41,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:01:41,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534148692] [2024-11-09 12:01:41,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:41,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:01:41,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:42,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 12:01:42,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:42,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 12:01:42,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:42,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 12:01:42,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:42,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 12:01:42,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:42,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 12:01:42,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:42,310 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-09 12:01:42,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:01:42,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534148692] [2024-11-09 12:01:42,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [534148692] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:01:42,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [914044653] [2024-11-09 12:01:42,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:42,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:01:42,311 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:01:42,313 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:01:42,314 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-09 12:01:42,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:42,363 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 12:01:42,364 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:01:42,544 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-09 12:01:42,544 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:01:42,919 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-09 12:01:42,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [914044653] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:01:42,920 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 12:01:42,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-11-09 12:01:42,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722553636] [2024-11-09 12:01:42,920 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 12:01:42,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-09 12:01:42,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:01:42,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-09 12:01:42,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2024-11-09 12:01:42,921 INFO L87 Difference]: Start difference. First operand 248 states and 311 transitions. Second operand has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 9 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (12), 8 states have call predecessors, (12), 9 states have call successors, (12) [2024-11-09 12:01:43,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:01:43,156 INFO L93 Difference]: Finished difference Result 267 states and 322 transitions. [2024-11-09 12:01:43,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 12:01:43,156 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 9 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (12), 8 states have call predecessors, (12), 9 states have call successors, (12) Word has length 63 [2024-11-09 12:01:43,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:01:43,157 INFO L225 Difference]: With dead ends: 267 [2024-11-09 12:01:43,157 INFO L226 Difference]: Without dead ends: 74 [2024-11-09 12:01:43,158 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 127 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=123, Invalid=383, Unknown=0, NotChecked=0, Total=506 [2024-11-09 12:01:43,158 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 140 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 366 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 12:01:43,158 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 149 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 366 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 12:01:43,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2024-11-09 12:01:43,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2024-11-09 12:01:43,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 59 states have (on average 1.11864406779661) internal successors, (66), 66 states have internal predecessors, (66), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 12:01:43,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 76 transitions. [2024-11-09 12:01:43,167 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 76 transitions. Word has length 63 [2024-11-09 12:01:43,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:01:43,167 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 76 transitions. [2024-11-09 12:01:43,167 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 9 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (12), 8 states have call predecessors, (12), 9 states have call successors, (12) [2024-11-09 12:01:43,167 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 76 transitions. [2024-11-09 12:01:43,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-09 12:01:43,168 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:01:43,168 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:01:43,185 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-11-09 12:01:43,368 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:01:43,370 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-09 12:01:43,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:01:43,370 INFO L85 PathProgramCache]: Analyzing trace with hash 1656273630, now seen corresponding path program 1 times [2024-11-09 12:01:43,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:01:43,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772530567] [2024-11-09 12:01:43,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:43,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:01:43,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:43,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 12:01:43,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:43,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 12:01:43,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:43,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 12:01:43,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:43,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 12:01:43,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:43,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 12:01:43,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:43,578 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 12:01:43,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:01:43,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772530567] [2024-11-09 12:01:43,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772530567] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:01:43,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:01:43,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-09 12:01:43,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403858031] [2024-11-09 12:01:43,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:01:43,580 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 12:01:43,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:01:43,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 12:01:43,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-09 12:01:43,581 INFO L87 Difference]: Start difference. First operand 74 states and 76 transitions. Second operand has 11 states, 10 states have (on average 4.5) internal successors, (45), 11 states have internal predecessors, (45), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-09 12:01:43,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:01:43,876 INFO L93 Difference]: Finished difference Result 74 states and 76 transitions. [2024-11-09 12:01:43,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 12:01:43,876 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 4.5) internal successors, (45), 11 states have internal predecessors, (45), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 64 [2024-11-09 12:01:43,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:01:43,877 INFO L225 Difference]: With dead ends: 74 [2024-11-09 12:01:43,877 INFO L226 Difference]: Without dead ends: 72 [2024-11-09 12:01:43,877 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=184, Unknown=0, NotChecked=0, Total=272 [2024-11-09 12:01:43,877 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 104 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 12:01:43,878 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 86 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 12:01:43,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-11-09 12:01:43,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2024-11-09 12:01:43,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 59 states have (on average 1.0847457627118644) internal successors, (64), 64 states have internal predecessors, (64), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 12:01:43,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 74 transitions. [2024-11-09 12:01:43,884 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 74 transitions. Word has length 64 [2024-11-09 12:01:43,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:01:43,884 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 74 transitions. [2024-11-09 12:01:43,884 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 4.5) internal successors, (45), 11 states have internal predecessors, (45), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-09 12:01:43,884 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 74 transitions. [2024-11-09 12:01:43,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-09 12:01:43,885 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:01:43,885 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:01:43,886 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-09 12:01:43,886 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-09 12:01:43,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:01:43,886 INFO L85 PathProgramCache]: Analyzing trace with hash -195124891, now seen corresponding path program 1 times [2024-11-09 12:01:43,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:01:43,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637802631] [2024-11-09 12:01:43,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:43,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:01:43,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:44,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 12:01:44,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:44,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 12:01:44,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:44,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 12:01:44,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:44,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 12:01:44,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:44,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 12:01:44,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:44,181 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 12:01:44,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:01:44,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637802631] [2024-11-09 12:01:44,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637802631] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:01:44,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:01:44,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-09 12:01:44,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342336918] [2024-11-09 12:01:44,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:01:44,183 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 12:01:44,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:01:44,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 12:01:44,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-09 12:01:44,183 INFO L87 Difference]: Start difference. First operand 72 states and 74 transitions. Second operand has 11 states, 10 states have (on average 4.6) internal successors, (46), 11 states have internal predecessors, (46), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-09 12:01:44,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:01:44,483 INFO L93 Difference]: Finished difference Result 72 states and 74 transitions. [2024-11-09 12:01:44,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 12:01:44,484 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 4.6) internal successors, (46), 11 states have internal predecessors, (46), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 65 [2024-11-09 12:01:44,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:01:44,484 INFO L225 Difference]: With dead ends: 72 [2024-11-09 12:01:44,485 INFO L226 Difference]: Without dead ends: 70 [2024-11-09 12:01:44,485 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-09 12:01:44,485 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 114 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 12:01:44,486 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 131 Invalid, 240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 232 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 12:01:44,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2024-11-09 12:01:44,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2024-11-09 12:01:44,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 59 states have (on average 1.0508474576271187) internal successors, (62), 62 states have internal predecessors, (62), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 12:01:44,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 72 transitions. [2024-11-09 12:01:44,493 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 72 transitions. Word has length 65 [2024-11-09 12:01:44,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:01:44,493 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 72 transitions. [2024-11-09 12:01:44,493 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 4.6) internal successors, (46), 11 states have internal predecessors, (46), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-09 12:01:44,493 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 72 transitions. [2024-11-09 12:01:44,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-09 12:01:44,494 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:01:44,494 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:01:44,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-09 12:01:44,494 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-09 12:01:44,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:01:44,495 INFO L85 PathProgramCache]: Analyzing trace with hash -1874744158, now seen corresponding path program 1 times [2024-11-09 12:01:44,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:01:44,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873349731] [2024-11-09 12:01:44,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:44,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:01:44,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:01:44,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1136725909] [2024-11-09 12:01:44,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:44,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:01:44,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:01:44,517 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:01:44,519 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-09 12:01:44,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:44,585 INFO L255 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-09 12:01:44,587 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:01:45,000 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-09 12:01:45,001 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:01:58,267 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-09 12:01:58,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:01:58,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873349731] [2024-11-09 12:01:58,268 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:01:58,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1136725909] [2024-11-09 12:01:58,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1136725909] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:01:58,268 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 12:01:58,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 22 [2024-11-09 12:01:58,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122660959] [2024-11-09 12:01:58,268 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 12:01:58,268 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-09 12:01:58,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:01:58,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-09 12:01:58,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=399, Unknown=2, NotChecked=0, Total=506 [2024-11-09 12:01:58,270 INFO L87 Difference]: Start difference. First operand 70 states and 72 transitions. Second operand has 23 states, 22 states have (on average 4.318181818181818) internal successors, (95), 21 states have internal predecessors, (95), 7 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (10), 8 states have call predecessors, (10), 7 states have call successors, (10) [2024-11-09 12:01:58,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:01:58,802 INFO L93 Difference]: Finished difference Result 70 states and 72 transitions. [2024-11-09 12:01:58,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 12:01:58,803 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 4.318181818181818) internal successors, (95), 21 states have internal predecessors, (95), 7 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (10), 8 states have call predecessors, (10), 7 states have call successors, (10) Word has length 68 [2024-11-09 12:01:58,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:01:58,804 INFO L225 Difference]: With dead ends: 70 [2024-11-09 12:01:58,804 INFO L226 Difference]: Without dead ends: 69 [2024-11-09 12:01:58,804 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 11.0s TimeCoverageRelationStatistics Valid=226, Invalid=702, Unknown=2, NotChecked=0, Total=930 [2024-11-09 12:01:58,804 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 218 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 381 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 392 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 12:01:58,805 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 161 Invalid, 392 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 381 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 12:01:58,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2024-11-09 12:01:58,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2024-11-09 12:01:58,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 59 states have (on average 1.0338983050847457) internal successors, (61), 61 states have internal predecessors, (61), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 12:01:58,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 71 transitions. [2024-11-09 12:01:58,810 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 71 transitions. Word has length 68 [2024-11-09 12:01:58,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:01:58,810 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 71 transitions. [2024-11-09 12:01:58,810 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 4.318181818181818) internal successors, (95), 21 states have internal predecessors, (95), 7 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (10), 8 states have call predecessors, (10), 7 states have call successors, (10) [2024-11-09 12:01:58,810 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 71 transitions. [2024-11-09 12:01:58,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-09 12:01:58,811 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:01:58,811 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:01:58,823 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-11-09 12:01:59,011 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:01:59,011 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-09 12:01:59,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:01:59,012 INFO L85 PathProgramCache]: Analyzing trace with hash 2012473385, now seen corresponding path program 1 times [2024-11-09 12:01:59,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:01:59,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526323619] [2024-11-09 12:01:59,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:59,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:01:59,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:01:59,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [394707289] [2024-11-09 12:01:59,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:59,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:01:59,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:01:59,028 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:01:59,030 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-09 12:01:59,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:59,084 INFO L255 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-09 12:01:59,085 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:01:59,519 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 12:01:59,519 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:02:12,940 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 12:02:12,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:02:12,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526323619] [2024-11-09 12:02:12,941 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:02:12,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [394707289] [2024-11-09 12:02:12,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [394707289] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:02:12,941 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 12:02:12,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2024-11-09 12:02:12,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457914920] [2024-11-09 12:02:12,941 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 12:02:12,942 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-09 12:02:12,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:02:12,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-09 12:02:12,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=484, Unknown=2, NotChecked=0, Total=600 [2024-11-09 12:02:12,943 INFO L87 Difference]: Start difference. First operand 69 states and 71 transitions. Second operand has 25 states, 22 states have (on average 4.2727272727272725) internal successors, (94), 21 states have internal predecessors, (94), 9 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (10), 10 states have call predecessors, (10), 9 states have call successors, (10)