./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound5.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 1eba5bc7e50ef659abfe155713ae512eb1ae4032ecb78db63a02f9acbcdf9dbe --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 18:46:41,607 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 18:46:41,696 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-20 18:46:41,700 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 18:46:41,700 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 18:46:41,750 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 18:46:41,751 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 18:46:41,751 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 18:46:41,753 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 18:46:41,754 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 18:46:41,754 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 18:46:41,755 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 18:46:41,755 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 18:46:41,757 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 18:46:41,758 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 18:46:41,758 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 18:46:41,758 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 18:46:41,759 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 18:46:41,759 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 18:46:41,761 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 18:46:41,762 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 18:46:41,763 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 18:46:41,763 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 18:46:41,763 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 18:46:41,764 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 18:46:41,764 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-20 18:46:41,764 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 18:46:41,764 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 18:46:41,765 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 18:46:41,765 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 18:46:41,765 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 18:46:41,766 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 18:46:41,766 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 18:46:41,766 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 18:46:41,766 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 18:46:41,767 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 18:46:41,767 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 18:46:41,767 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 18:46:41,768 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 18:46:41,768 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 18:46:41,768 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 18:46:41,770 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 18:46:41,770 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 18:46:41,770 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 18:46:41,770 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1eba5bc7e50ef659abfe155713ae512eb1ae4032ecb78db63a02f9acbcdf9dbe [2024-11-20 18:46:42,034 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 18:46:42,060 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 18:46:42,064 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 18:46:42,065 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 18:46:42,066 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 18:46:42,067 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound5.c [2024-11-20 18:46:43,564 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 18:46:43,746 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 18:46:43,749 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound5.c [2024-11-20 18:46:43,758 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02b6ac891/97e6b7ec9a7b4a3eb189280ad40f195b/FLAG7ddcaa81a [2024-11-20 18:46:43,773 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02b6ac891/97e6b7ec9a7b4a3eb189280ad40f195b [2024-11-20 18:46:43,775 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 18:46:43,777 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 18:46:43,778 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 18:46:43,779 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 18:46:43,784 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 18:46:43,785 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:46:43" (1/1) ... [2024-11-20 18:46:43,786 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ea07be4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:46:43, skipping insertion in model container [2024-11-20 18:46:43,786 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:46:43" (1/1) ... [2024-11-20 18:46:43,806 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 18:46:44,014 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 18:46:44,032 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 18:46:44,060 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 18:46:44,080 INFO L204 MainTranslator]: Completed translation [2024-11-20 18:46:44,081 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:46:44 WrapperNode [2024-11-20 18:46:44,081 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 18:46:44,082 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 18:46:44,082 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 18:46:44,083 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 18:46:44,089 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:46:44" (1/1) ... [2024-11-20 18:46:44,097 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:46:44" (1/1) ... [2024-11-20 18:46:44,122 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 100 [2024-11-20 18:46:44,122 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 18:46:44,123 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 18:46:44,123 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 18:46:44,123 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 18:46:44,136 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:46:44" (1/1) ... [2024-11-20 18:46:44,137 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:46:44" (1/1) ... [2024-11-20 18:46:44,140 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:46:44" (1/1) ... [2024-11-20 18:46:44,156 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]. [2024-11-20 18:46:44,157 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:46:44" (1/1) ... [2024-11-20 18:46:44,157 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:46:44" (1/1) ... [2024-11-20 18:46:44,162 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:46:44" (1/1) ... [2024-11-20 18:46:44,165 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:46:44" (1/1) ... [2024-11-20 18:46:44,166 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:46:44" (1/1) ... [2024-11-20 18:46:44,168 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:46:44" (1/1) ... [2024-11-20 18:46:44,170 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 18:46:44,174 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 18:46:44,174 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 18:46:44,174 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 18:46:44,175 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:46:44" (1/1) ... [2024-11-20 18:46:44,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 18:46:44,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:46:44,211 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) [2024-11-20 18:46:44,214 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 [2024-11-20 18:46:44,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 18:46:44,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 18:46:44,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 18:46:44,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 18:46:44,268 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-20 18:46:44,268 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-20 18:46:44,332 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 18:46:44,334 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 18:46:44,703 INFO L? ?]: Removed 55 outVars from TransFormulas that were not future-live. [2024-11-20 18:46:44,703 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 18:46:44,719 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 18:46:44,719 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-20 18:46:44,721 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:46:44 BoogieIcfgContainer [2024-11-20 18:46:44,721 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 18:46:44,724 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 18:46:44,724 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 18:46:44,727 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 18:46:44,727 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:46:43" (1/3) ... [2024-11-20 18:46:44,729 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c3ebfa6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:46:44, skipping insertion in model container [2024-11-20 18:46:44,729 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:46:44" (2/3) ... [2024-11-20 18:46:44,730 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c3ebfa6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:46:44, skipping insertion in model container [2024-11-20 18:46:44,730 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:46:44" (3/3) ... [2024-11-20 18:46:44,732 INFO L112 eAbstractionObserver]: Analyzing ICFG hard-ll_unwindbound5.c [2024-11-20 18:46:44,748 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 18:46:44,748 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2024-11-20 18:46:44,809 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 18:46:44,815 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;@4e977dc2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 18:46:44,816 INFO L334 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2024-11-20 18:46:44,820 INFO L276 IsEmpty]: Start isEmpty. Operand has 84 states, 47 states have (on average 1.7872340425531914) internal successors, (84), 75 states have internal predecessors, (84), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-20 18:46:44,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-20 18:46:44,826 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:46:44,826 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-20 18:46:44,827 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-20 18:46:44,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:46:44,832 INFO L85 PathProgramCache]: Analyzing trace with hash 889508776, now seen corresponding path program 1 times [2024-11-20 18:46:44,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:46:44,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604582641] [2024-11-20 18:46:44,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:46:44,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:46:44,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:44,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:46:44,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:46:44,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604582641] [2024-11-20 18:46:44,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604582641] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:46:44,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:46:44,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 18:46:44,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648495713] [2024-11-20 18:46:44,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:46:44,985 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 18:46:44,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:46:45,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 18:46:45,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 18:46:45,021 INFO L87 Difference]: Start difference. First operand has 84 states, 47 states have (on average 1.7872340425531914) internal successors, (84), 75 states have internal predecessors, (84), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:46:45,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:46:45,048 INFO L93 Difference]: Finished difference Result 164 states and 198 transitions. [2024-11-20 18:46:45,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 18:46:45,050 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-20 18:46:45,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:46:45,056 INFO L225 Difference]: With dead ends: 164 [2024-11-20 18:46:45,056 INFO L226 Difference]: Without dead ends: 76 [2024-11-20 18:46:45,059 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 18:46:45,062 INFO L432 NwaCegarLoop]: 93 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, 93 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 [2024-11-20 18:46:45,064 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:46:45,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2024-11-20 18:46:45,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2024-11-20 18:46:45,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 42 states have (on average 1.7619047619047619) internal successors, (74), 69 states have internal predecessors, (74), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-20 18:46:45,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 84 transitions. [2024-11-20 18:46:45,113 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 84 transitions. Word has length 6 [2024-11-20 18:46:45,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:46:45,114 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 84 transitions. [2024-11-20 18:46:45,115 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:46:45,115 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 84 transitions. [2024-11-20 18:46:45,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-20 18:46:45,116 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:46:45,117 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-20 18:46:45,118 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 18:46:45,118 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-20 18:46:45,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:46:45,119 INFO L85 PathProgramCache]: Analyzing trace with hash 889568358, now seen corresponding path program 1 times [2024-11-20 18:46:45,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:46:45,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097229696] [2024-11-20 18:46:45,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:46:45,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:46:45,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:45,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:46:45,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:46:45,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097229696] [2024-11-20 18:46:45,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097229696] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:46:45,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:46:45,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 18:46:45,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698645600] [2024-11-20 18:46:45,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:46:45,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:46:45,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:46:45,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:46:45,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:46:45,253 INFO L87 Difference]: Start difference. First operand 76 states and 84 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:46:45,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:46:45,321 INFO L93 Difference]: Finished difference Result 85 states and 92 transitions. [2024-11-20 18:46:45,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:46:45,323 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-20 18:46:45,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:46:45,324 INFO L225 Difference]: With dead ends: 85 [2024-11-20 18:46:45,325 INFO L226 Difference]: Without dead ends: 84 [2024-11-20 18:46:45,325 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 18:46:45,326 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 34 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:46:45,327 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 202 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:46:45,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-11-20 18:46:45,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 79. [2024-11-20 18:46:45,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 45 states have (on average 1.6888888888888889) internal successors, (76), 71 states have internal predecessors, (76), 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) [2024-11-20 18:46:45,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 86 transitions. [2024-11-20 18:46:45,344 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 86 transitions. Word has length 6 [2024-11-20 18:46:45,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:46:45,344 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 86 transitions. [2024-11-20 18:46:45,345 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:46:45,345 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 86 transitions. [2024-11-20 18:46:45,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-20 18:46:45,345 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:46:45,345 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:46:45,345 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 18:46:45,346 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-20 18:46:45,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:46:45,346 INFO L85 PathProgramCache]: Analyzing trace with hash 1806815370, now seen corresponding path program 1 times [2024-11-20 18:46:45,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:46:45,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485906427] [2024-11-20 18:46:45,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:46:45,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:46:45,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:45,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:46:45,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:46:45,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485906427] [2024-11-20 18:46:45,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485906427] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:46:45,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:46:45,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 18:46:45,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163090171] [2024-11-20 18:46:45,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:46:45,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:46:45,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:46:45,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:46:45,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:46:45,447 INFO L87 Difference]: Start difference. First operand 79 states and 86 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:46:45,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:46:45,504 INFO L93 Difference]: Finished difference Result 134 states and 145 transitions. [2024-11-20 18:46:45,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 18:46:45,510 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-20 18:46:45,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:46:45,511 INFO L225 Difference]: With dead ends: 134 [2024-11-20 18:46:45,511 INFO L226 Difference]: Without dead ends: 83 [2024-11-20 18:46:45,512 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 18:46:45,515 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 3 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:46:45,516 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 229 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:46:45,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-11-20 18:46:45,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2024-11-20 18:46:45,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 49 states have (on average 1.6326530612244898) internal successors, (80), 75 states have internal predecessors, (80), 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) [2024-11-20 18:46:45,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 90 transitions. [2024-11-20 18:46:45,532 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 90 transitions. Word has length 7 [2024-11-20 18:46:45,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:46:45,533 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 90 transitions. [2024-11-20 18:46:45,533 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:46:45,551 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 90 transitions. [2024-11-20 18:46:45,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-20 18:46:45,555 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:46:45,556 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:46:45,556 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 18:46:45,558 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-20 18:46:45,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:46:45,559 INFO L85 PathProgramCache]: Analyzing trace with hash 667309322, now seen corresponding path program 1 times [2024-11-20 18:46:45,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:46:45,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727383031] [2024-11-20 18:46:45,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:46:45,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:46:45,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:46:45,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [945956180] [2024-11-20 18:46:45,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:46:45,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:46:45,620 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:46:45,625 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) [2024-11-20 18:46:45,629 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-20 18:46:45,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:45,692 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-20 18:46:45,699 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:46:45,745 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 18:46:45,746 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:46:45,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:46:45,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727383031] [2024-11-20 18:46:45,747 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:46:45,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [945956180] [2024-11-20 18:46:45,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [945956180] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:46:45,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:46:45,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 18:46:45,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665366960] [2024-11-20 18:46:45,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:46:45,751 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 18:46:45,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:46:45,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 18:46:45,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:46:45,754 INFO L87 Difference]: Start difference. First operand 83 states and 90 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 18:46:45,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:46:45,853 INFO L93 Difference]: Finished difference Result 176 states and 195 transitions. [2024-11-20 18:46:45,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 18:46:45,854 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 19 [2024-11-20 18:46:45,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:46:45,855 INFO L225 Difference]: With dead ends: 176 [2024-11-20 18:46:45,855 INFO L226 Difference]: Without dead ends: 122 [2024-11-20 18:46:45,856 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:46:45,857 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 33 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:46:45,859 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 135 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:46:45,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-20 18:46:45,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 106. [2024-11-20 18:46:45,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 67 states have (on average 1.6119402985074627) internal successors, (108), 93 states have internal predecessors, (108), 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) [2024-11-20 18:46:45,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 128 transitions. [2024-11-20 18:46:45,877 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 128 transitions. Word has length 19 [2024-11-20 18:46:45,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:46:45,878 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 128 transitions. [2024-11-20 18:46:45,878 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 18:46:45,878 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 128 transitions. [2024-11-20 18:46:45,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-20 18:46:45,879 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:46:45,879 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] [2024-11-20 18:46:45,888 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-20 18:46:46,083 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:46:46,084 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-20 18:46:46,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:46:46,085 INFO L85 PathProgramCache]: Analyzing trace with hash 1596807332, now seen corresponding path program 1 times [2024-11-20 18:46:46,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:46:46,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623762670] [2024-11-20 18:46:46,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:46:46,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:46:46,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:46,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 18:46:46,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:46,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-20 18:46:46,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:46,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-20 18:46:46,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:46,228 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-20 18:46:46,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:46:46,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623762670] [2024-11-20 18:46:46,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623762670] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:46:46,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:46:46,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 18:46:46,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124600103] [2024-11-20 18:46:46,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:46:46,238 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 18:46:46,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:46:46,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 18:46:46,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:46:46,239 INFO L87 Difference]: Start difference. First operand 106 states and 128 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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) [2024-11-20 18:46:46,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:46:46,306 INFO L93 Difference]: Finished difference Result 106 states and 128 transitions. [2024-11-20 18:46:46,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 18:46:46,307 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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 27 [2024-11-20 18:46:46,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:46:46,309 INFO L225 Difference]: With dead ends: 106 [2024-11-20 18:46:46,310 INFO L226 Difference]: Without dead ends: 104 [2024-11-20 18:46:46,311 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:46:46,312 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 47 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:46:46,314 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 70 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:46:46,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-11-20 18:46:46,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2024-11-20 18:46:46,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 67 states have (on average 1.5671641791044777) internal successors, (105), 91 states have internal predecessors, (105), 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) [2024-11-20 18:46:46,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 125 transitions. [2024-11-20 18:46:46,334 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 125 transitions. Word has length 27 [2024-11-20 18:46:46,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:46:46,335 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 125 transitions. [2024-11-20 18:46:46,335 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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) [2024-11-20 18:46:46,335 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 125 transitions. [2024-11-20 18:46:46,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-20 18:46:46,336 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:46:46,336 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] [2024-11-20 18:46:46,337 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 18:46:46,337 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-20 18:46:46,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:46:46,338 INFO L85 PathProgramCache]: Analyzing trace with hash -2038581697, now seen corresponding path program 1 times [2024-11-20 18:46:46,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:46:46,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038852007] [2024-11-20 18:46:46,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:46:46,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:46:46,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:46,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 18:46:46,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:46,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-20 18:46:46,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:46,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-20 18:46:46,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:46,485 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-20 18:46:46,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:46:46,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038852007] [2024-11-20 18:46:46,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038852007] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:46:46,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:46:46,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 18:46:46,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966094664] [2024-11-20 18:46:46,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:46:46,489 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 18:46:46,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:46:46,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 18:46:46,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-20 18:46:46,492 INFO L87 Difference]: Start difference. First operand 104 states and 125 transitions. Second operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 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) [2024-11-20 18:46:46,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:46:46,574 INFO L93 Difference]: Finished difference Result 104 states and 125 transitions. [2024-11-20 18:46:46,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 18:46:46,575 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 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 28 [2024-11-20 18:46:46,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:46:46,576 INFO L225 Difference]: With dead ends: 104 [2024-11-20 18:46:46,576 INFO L226 Difference]: Without dead ends: 103 [2024-11-20 18:46:46,577 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-20 18:46:46,578 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 72 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:46:46,578 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 205 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:46:46,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2024-11-20 18:46:46,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2024-11-20 18:46:46,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 67 states have (on average 1.537313432835821) internal successors, (103), 90 states have internal predecessors, (103), 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) [2024-11-20 18:46:46,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 123 transitions. [2024-11-20 18:46:46,601 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 123 transitions. Word has length 28 [2024-11-20 18:46:46,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:46:46,602 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 123 transitions. [2024-11-20 18:46:46,603 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 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) [2024-11-20 18:46:46,603 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 123 transitions. [2024-11-20 18:46:46,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-20 18:46:46,604 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:46:46,605 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] [2024-11-20 18:46:46,605 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-20 18:46:46,605 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-20 18:46:46,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:46:46,606 INFO L85 PathProgramCache]: Analyzing trace with hash -2038580191, now seen corresponding path program 1 times [2024-11-20 18:46:46,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:46:46,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358300026] [2024-11-20 18:46:46,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:46:46,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:46:46,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:46,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 18:46:46,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:46,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-20 18:46:46,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:46,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-20 18:46:46,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:46,714 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-20 18:46:46,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:46:46,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358300026] [2024-11-20 18:46:46,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358300026] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:46:46,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:46:46,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 18:46:46,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792377274] [2024-11-20 18:46:46,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:46:46,716 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 18:46:46,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:46:46,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 18:46:46,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:46:46,717 INFO L87 Difference]: Start difference. First operand 103 states and 123 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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) [2024-11-20 18:46:46,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:46:46,766 INFO L93 Difference]: Finished difference Result 113 states and 130 transitions. [2024-11-20 18:46:46,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 18:46:46,766 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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 28 [2024-11-20 18:46:46,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:46:46,767 INFO L225 Difference]: With dead ends: 113 [2024-11-20 18:46:46,767 INFO L226 Difference]: Without dead ends: 112 [2024-11-20 18:46:46,768 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:46:46,768 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 21 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:46:46,769 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 126 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:46:46,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2024-11-20 18:46:46,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 103. [2024-11-20 18:46:46,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 67 states have (on average 1.5223880597014925) internal successors, (102), 90 states have internal predecessors, (102), 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) [2024-11-20 18:46:46,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 122 transitions. [2024-11-20 18:46:46,778 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 122 transitions. Word has length 28 [2024-11-20 18:46:46,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:46:46,778 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 122 transitions. [2024-11-20 18:46:46,778 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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) [2024-11-20 18:46:46,778 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 122 transitions. [2024-11-20 18:46:46,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-20 18:46:46,779 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:46:46,779 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] [2024-11-20 18:46:46,779 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-20 18:46:46,779 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-20 18:46:46,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:46:46,780 INFO L85 PathProgramCache]: Analyzing trace with hash 1228476917, now seen corresponding path program 1 times [2024-11-20 18:46:46,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:46:46,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415976702] [2024-11-20 18:46:46,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:46:46,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:46:46,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:46,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 18:46:46,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:46,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-20 18:46:46,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:46,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-20 18:46:46,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:46,889 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-20 18:46:46,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:46:46,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415976702] [2024-11-20 18:46:46,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415976702] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:46:46,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:46:46,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 18:46:46,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59202361] [2024-11-20 18:46:46,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:46:46,892 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 18:46:46,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:46:46,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 18:46:46,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-20 18:46:46,892 INFO L87 Difference]: Start difference. First operand 103 states and 122 transitions. Second operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 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) [2024-11-20 18:46:46,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:46:46,974 INFO L93 Difference]: Finished difference Result 120 states and 136 transitions. [2024-11-20 18:46:46,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-20 18:46:46,975 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 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 29 [2024-11-20 18:46:46,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:46:46,976 INFO L225 Difference]: With dead ends: 120 [2024-11-20 18:46:46,976 INFO L226 Difference]: Without dead ends: 111 [2024-11-20 18:46:46,976 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-20 18:46:46,977 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 20 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:46:46,977 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 344 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:46:46,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-11-20 18:46:46,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 107. [2024-11-20 18:46:46,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 70 states have (on average 1.4714285714285715) internal successors, (103), 93 states have internal predecessors, (103), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-20 18:46:46,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 123 transitions. [2024-11-20 18:46:46,988 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 123 transitions. Word has length 29 [2024-11-20 18:46:46,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:46:46,991 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 123 transitions. [2024-11-20 18:46:46,991 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 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) [2024-11-20 18:46:46,992 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 123 transitions. [2024-11-20 18:46:46,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-20 18:46:46,992 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:46:46,992 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] [2024-11-20 18:46:46,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-20 18:46:46,993 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-20 18:46:46,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:46:46,993 INFO L85 PathProgramCache]: Analyzing trace with hash -549686313, now seen corresponding path program 1 times [2024-11-20 18:46:46,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:46:46,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745087801] [2024-11-20 18:46:46,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:46:46,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:46:47,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:46:47,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1869579753] [2024-11-20 18:46:47,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:46:47,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:46:47,017 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:46:47,019 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) [2024-11-20 18:46:47,022 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-20 18:46:47,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:47,088 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-20 18:46:47,090 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:46:47,132 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-20 18:46:47,132 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:46:47,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:46:47,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745087801] [2024-11-20 18:46:47,133 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:46:47,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1869579753] [2024-11-20 18:46:47,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1869579753] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:46:47,133 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:46:47,133 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 18:46:47,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062563738] [2024-11-20 18:46:47,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:46:47,134 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 18:46:47,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:46:47,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 18:46:47,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:46:47,135 INFO L87 Difference]: Start difference. First operand 107 states and 123 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (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) [2024-11-20 18:46:47,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:46:47,185 INFO L93 Difference]: Finished difference Result 145 states and 171 transitions. [2024-11-20 18:46:47,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 18:46:47,186 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (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 31 [2024-11-20 18:46:47,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:46:47,187 INFO L225 Difference]: With dead ends: 145 [2024-11-20 18:46:47,187 INFO L226 Difference]: Without dead ends: 141 [2024-11-20 18:46:47,187 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:46:47,188 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 41 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:46:47,188 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 102 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:46:47,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2024-11-20 18:46:47,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 127. [2024-11-20 18:46:47,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 88 states have (on average 1.4772727272727273) internal successors, (130), 111 states have internal predecessors, (130), 12 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-20 18:46:47,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 154 transitions. [2024-11-20 18:46:47,195 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 154 transitions. Word has length 31 [2024-11-20 18:46:47,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:46:47,196 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 154 transitions. [2024-11-20 18:46:47,196 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (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) [2024-11-20 18:46:47,196 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 154 transitions. [2024-11-20 18:46:47,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-20 18:46:47,197 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:46:47,197 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] [2024-11-20 18:46:47,205 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-20 18:46:47,400 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,SelfDestructingSolverStorable8 [2024-11-20 18:46:47,401 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-20 18:46:47,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:46:47,401 INFO L85 PathProgramCache]: Analyzing trace with hash 32433593, now seen corresponding path program 1 times [2024-11-20 18:46:47,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:46:47,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152853159] [2024-11-20 18:46:47,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:46:47,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:46:47,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:47,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 18:46:47,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:47,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-20 18:46:47,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:47,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-20 18:46:47,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:47,485 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-20 18:46:47,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:46:47,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152853159] [2024-11-20 18:46:47,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [152853159] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:46:47,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:46:47,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 18:46:47,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786944322] [2024-11-20 18:46:47,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:46:47,487 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:46:47,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:46:47,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:46:47,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:46:47,488 INFO L87 Difference]: Start difference. First operand 127 states and 154 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (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) [2024-11-20 18:46:47,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:46:47,718 INFO L93 Difference]: Finished difference Result 151 states and 180 transitions. [2024-11-20 18:46:47,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 18:46:47,719 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (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 33 [2024-11-20 18:46:47,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:46:47,720 INFO L225 Difference]: With dead ends: 151 [2024-11-20 18:46:47,720 INFO L226 Difference]: Without dead ends: 150 [2024-11-20 18:46:47,720 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 18:46:47,721 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 104 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:46:47,721 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 113 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:46:47,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2024-11-20 18:46:47,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 134. [2024-11-20 18:46:47,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 95 states have (on average 1.4631578947368422) internal successors, (139), 118 states have internal predecessors, (139), 12 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-20 18:46:47,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 163 transitions. [2024-11-20 18:46:47,738 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 163 transitions. Word has length 33 [2024-11-20 18:46:47,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:46:47,738 INFO L471 AbstractCegarLoop]: Abstraction has 134 states and 163 transitions. [2024-11-20 18:46:47,738 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (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) [2024-11-20 18:46:47,738 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 163 transitions. [2024-11-20 18:46:47,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-20 18:46:47,739 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:46:47,739 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] [2024-11-20 18:46:47,739 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-20 18:46:47,740 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-20 18:46:47,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:46:47,740 INFO L85 PathProgramCache]: Analyzing trace with hash 185732939, now seen corresponding path program 1 times [2024-11-20 18:46:47,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:46:47,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674710289] [2024-11-20 18:46:47,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:46:47,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:46:47,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:47,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 18:46:47,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:47,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-20 18:46:47,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:47,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-20 18:46:47,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:47,818 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-20 18:46:47,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:46:47,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674710289] [2024-11-20 18:46:47,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674710289] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:46:47,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [288901604] [2024-11-20 18:46:47,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:46:47,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:46:47,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:46:47,822 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) [2024-11-20 18:46:47,823 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-20 18:46:47,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:47,862 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-20 18:46:47,863 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:46:47,930 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-20 18:46:47,930 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:46:48,010 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-20 18:46:48,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [288901604] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:46:48,011 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 18:46:48,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 5] total 9 [2024-11-20 18:46:48,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264889157] [2024-11-20 18:46:48,011 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 18:46:48,011 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 18:46:48,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:46:48,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 18:46:48,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-20 18:46:48,012 INFO L87 Difference]: Start difference. First operand 134 states and 163 transitions. Second operand has 10 states, 9 states have (on average 4.666666666666667) internal successors, (42), 10 states have internal predecessors, (42), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-20 18:46:48,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:46:48,172 INFO L93 Difference]: Finished difference Result 267 states and 325 transitions. [2024-11-20 18:46:48,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-20 18:46:48,172 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 4.666666666666667) internal successors, (42), 10 states have internal predecessors, (42), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 33 [2024-11-20 18:46:48,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:46:48,174 INFO L225 Difference]: With dead ends: 267 [2024-11-20 18:46:48,174 INFO L226 Difference]: Without dead ends: 191 [2024-11-20 18:46:48,174 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=173, Unknown=0, NotChecked=0, Total=272 [2024-11-20 18:46:48,175 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 66 mSDsluCounter, 316 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:46:48,175 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 390 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:46:48,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2024-11-20 18:46:48,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 173. [2024-11-20 18:46:48,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 126 states have (on average 1.4523809523809523) internal successors, (183), 149 states have internal predecessors, (183), 18 states have call successors, (18), 5 states have call predecessors, (18), 5 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-20 18:46:48,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 219 transitions. [2024-11-20 18:46:48,199 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 219 transitions. Word has length 33 [2024-11-20 18:46:48,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:46:48,199 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 219 transitions. [2024-11-20 18:46:48,199 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 4.666666666666667) internal successors, (42), 10 states have internal predecessors, (42), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-20 18:46:48,200 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 219 transitions. [2024-11-20 18:46:48,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-20 18:46:48,201 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:46:48,201 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] [2024-11-20 18:46:48,210 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-20 18:46:48,402 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:46:48,402 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-20 18:46:48,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:46:48,403 INFO L85 PathProgramCache]: Analyzing trace with hash 1005441480, now seen corresponding path program 1 times [2024-11-20 18:46:48,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:46:48,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551243012] [2024-11-20 18:46:48,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:46:48,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:46:48,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:46:48,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [197003094] [2024-11-20 18:46:48,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:46:48,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:46:48,421 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:46:48,424 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) [2024-11-20 18:46:48,425 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-20 18:46:48,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:48,464 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-20 18:46:48,465 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:46:48,605 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-20 18:46:48,605 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:46:48,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:46:48,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551243012] [2024-11-20 18:46:48,606 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:46:48,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [197003094] [2024-11-20 18:46:48,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [197003094] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:46:48,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:46:48,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 18:46:48,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854682802] [2024-11-20 18:46:48,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:46:48,607 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:46:48,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:46:48,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:46:48,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:46:48,608 INFO L87 Difference]: Start difference. First operand 173 states and 219 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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) [2024-11-20 18:46:48,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:46:48,777 INFO L93 Difference]: Finished difference Result 179 states and 224 transitions. [2024-11-20 18:46:48,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:46:48,778 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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 34 [2024-11-20 18:46:48,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:46:48,779 INFO L225 Difference]: With dead ends: 179 [2024-11-20 18:46:48,779 INFO L226 Difference]: Without dead ends: 176 [2024-11-20 18:46:48,780 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 18:46:48,780 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 24 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:46:48,780 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 139 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:46:48,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2024-11-20 18:46:48,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 176. [2024-11-20 18:46:48,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 129 states have (on average 1.434108527131783) internal successors, (185), 152 states have internal predecessors, (185), 18 states have call successors, (18), 5 states have call predecessors, (18), 5 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-20 18:46:48,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 221 transitions. [2024-11-20 18:46:48,797 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 221 transitions. Word has length 34 [2024-11-20 18:46:48,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:46:48,797 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 221 transitions. [2024-11-20 18:46:48,797 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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) [2024-11-20 18:46:48,797 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 221 transitions. [2024-11-20 18:46:48,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-20 18:46:48,798 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:46:48,798 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:46:48,807 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-20 18:46:48,999 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:46:48,999 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-20 18:46:49,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:46:49,000 INFO L85 PathProgramCache]: Analyzing trace with hash 1132558923, now seen corresponding path program 1 times [2024-11-20 18:46:49,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:46:49,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550407563] [2024-11-20 18:46:49,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:46:49,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:46:49,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:46:49,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [375174229] [2024-11-20 18:46:49,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:46:49,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:46:49,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:46:49,017 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) [2024-11-20 18:46:49,019 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-20 18:46:49,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:49,060 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-20 18:46:49,064 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:46:49,105 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-20 18:46:49,105 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:46:49,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:46:49,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550407563] [2024-11-20 18:46:49,106 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:46:49,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [375174229] [2024-11-20 18:46:49,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [375174229] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:46:49,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:46:49,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 18:46:49,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233528052] [2024-11-20 18:46:49,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:46:49,107 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:46:49,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:46:49,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:46:49,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:46:49,107 INFO L87 Difference]: Start difference. First operand 176 states and 221 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-20 18:46:49,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:46:49,189 INFO L93 Difference]: Finished difference Result 213 states and 261 transitions. [2024-11-20 18:46:49,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:46:49,190 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 45 [2024-11-20 18:46:49,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:46:49,192 INFO L225 Difference]: With dead ends: 213 [2024-11-20 18:46:49,192 INFO L226 Difference]: Without dead ends: 203 [2024-11-20 18:46:49,192 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:46:49,193 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 82 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:46:49,193 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 144 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:46:49,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2024-11-20 18:46:49,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 185. [2024-11-20 18:46:49,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 140 states have (on average 1.3571428571428572) internal successors, (190), 159 states have internal predecessors, (190), 20 states have call successors, (20), 5 states have call predecessors, (20), 5 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-20 18:46:49,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 230 transitions. [2024-11-20 18:46:49,213 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 230 transitions. Word has length 45 [2024-11-20 18:46:49,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:46:49,213 INFO L471 AbstractCegarLoop]: Abstraction has 185 states and 230 transitions. [2024-11-20 18:46:49,213 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-20 18:46:49,213 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 230 transitions. [2024-11-20 18:46:49,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-20 18:46:49,214 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:46:49,214 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:46:49,223 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-20 18:46:49,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-20 18:46:49,416 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-20 18:46:49,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:46:49,416 INFO L85 PathProgramCache]: Analyzing trace with hash 749588304, now seen corresponding path program 1 times [2024-11-20 18:46:49,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:46:49,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096858536] [2024-11-20 18:46:49,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:46:49,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:46:49,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:46:49,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1581674213] [2024-11-20 18:46:49,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:46:49,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:46:49,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:46:49,432 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) [2024-11-20 18:46:49,434 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-20 18:46:49,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:49,482 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-20 18:46:49,483 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:46:49,531 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-20 18:46:49,532 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:46:49,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:46:49,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096858536] [2024-11-20 18:46:49,616 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:46:49,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1581674213] [2024-11-20 18:46:49,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1581674213] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:46:49,616 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:46:49,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2024-11-20 18:46:49,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847865035] [2024-11-20 18:46:49,616 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-20 18:46:49,617 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:46:49,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:46:49,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:46:49,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-20 18:46:49,618 INFO L87 Difference]: Start difference. First operand 185 states and 230 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-20 18:46:49,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:46:49,709 INFO L93 Difference]: Finished difference Result 281 states and 347 transitions. [2024-11-20 18:46:49,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:46:49,710 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 46 [2024-11-20 18:46:49,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:46:49,711 INFO L225 Difference]: With dead ends: 281 [2024-11-20 18:46:49,712 INFO L226 Difference]: Without dead ends: 277 [2024-11-20 18:46:49,712 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-20 18:46:49,712 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 67 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:46:49,713 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 186 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:46:49,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2024-11-20 18:46:49,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 245. [2024-11-20 18:46:49,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 194 states have (on average 1.3814432989690721) internal successors, (268), 213 states have internal predecessors, (268), 26 states have call successors, (26), 5 states have call predecessors, (26), 5 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-20 18:46:49,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 320 transitions. [2024-11-20 18:46:49,738 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 320 transitions. Word has length 46 [2024-11-20 18:46:49,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:46:49,739 INFO L471 AbstractCegarLoop]: Abstraction has 245 states and 320 transitions. [2024-11-20 18:46:49,739 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-20 18:46:49,739 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 320 transitions. [2024-11-20 18:46:49,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-20 18:46:49,742 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:46:49,743 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:46:49,751 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-20 18:46:49,943 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:46:49,943 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-20 18:46:49,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:46:49,944 INFO L85 PathProgramCache]: Analyzing trace with hash -1118998551, now seen corresponding path program 1 times [2024-11-20 18:46:49,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:46:49,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067265957] [2024-11-20 18:46:49,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:46:49,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:46:49,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:50,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 18:46:50,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:50,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-20 18:46:50,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:50,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-20 18:46:50,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:50,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 18:46:50,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:50,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 18:46:50,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:50,029 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-20 18:46:50,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:46:50,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067265957] [2024-11-20 18:46:50,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067265957] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:46:50,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:46:50,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 18:46:50,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671663999] [2024-11-20 18:46:50,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:46:50,030 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:46:50,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:46:50,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:46:50,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:46:50,031 INFO L87 Difference]: Start difference. First operand 245 states and 320 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-20 18:46:50,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:46:50,164 INFO L93 Difference]: Finished difference Result 256 states and 331 transitions. [2024-11-20 18:46:50,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 18:46:50,165 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), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 50 [2024-11-20 18:46:50,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:46:50,166 INFO L225 Difference]: With dead ends: 256 [2024-11-20 18:46:50,166 INFO L226 Difference]: Without dead ends: 239 [2024-11-20 18:46:50,167 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 18:46:50,167 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 51 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:46:50,167 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 135 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:46:50,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2024-11-20 18:46:50,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 230. [2024-11-20 18:46:50,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 181 states have (on average 1.4033149171270718) internal successors, (254), 200 states have internal predecessors, (254), 24 states have call successors, (24), 5 states have call predecessors, (24), 5 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-20 18:46:50,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 302 transitions. [2024-11-20 18:46:50,190 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 302 transitions. Word has length 50 [2024-11-20 18:46:50,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:46:50,190 INFO L471 AbstractCegarLoop]: Abstraction has 230 states and 302 transitions. [2024-11-20 18:46:50,191 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), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-20 18:46:50,191 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 302 transitions. [2024-11-20 18:46:50,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-20 18:46:50,191 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:46:50,192 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:46:50,192 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-20 18:46:50,192 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-20 18:46:50,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:46:50,192 INFO L85 PathProgramCache]: Analyzing trace with hash 287436800, now seen corresponding path program 1 times [2024-11-20 18:46:50,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:46:50,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253683791] [2024-11-20 18:46:50,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:46:50,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:46:50,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:50,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 18:46:50,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:50,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-20 18:46:50,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:50,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-20 18:46:50,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:50,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 18:46:50,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:50,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-20 18:46:50,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:50,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-20 18:46:50,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:50,289 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-20 18:46:50,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:46:50,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253683791] [2024-11-20 18:46:50,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253683791] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:46:50,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1875015978] [2024-11-20 18:46:50,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:46:50,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:46:50,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:46:50,295 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) [2024-11-20 18:46:50,305 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-20 18:46:50,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:50,351 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-20 18:46:50,353 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:46:50,408 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-20 18:46:50,409 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:46:50,486 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-20 18:46:50,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1875015978] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:46:50,486 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 18:46:50,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-20 18:46:50,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312743387] [2024-11-20 18:46:50,487 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 18:46:50,487 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 18:46:50,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:46:50,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 18:46:50,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-20 18:46:50,489 INFO L87 Difference]: Start difference. First operand 230 states and 302 transitions. Second operand has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-20 18:46:50,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:46:50,670 INFO L93 Difference]: Finished difference Result 364 states and 468 transitions. [2024-11-20 18:46:50,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 18:46:50,671 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 54 [2024-11-20 18:46:50,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:46:50,673 INFO L225 Difference]: With dead ends: 364 [2024-11-20 18:46:50,673 INFO L226 Difference]: Without dead ends: 362 [2024-11-20 18:46:50,674 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-20 18:46:50,674 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 132 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:46:50,674 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 266 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:46:50,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2024-11-20 18:46:50,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 299. [2024-11-20 18:46:50,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 241 states have (on average 1.4190871369294606) internal successors, (342), 260 states have internal predecessors, (342), 33 states have call successors, (33), 5 states have call predecessors, (33), 5 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-20 18:46:50,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 408 transitions. [2024-11-20 18:46:50,701 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 408 transitions. Word has length 54 [2024-11-20 18:46:50,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:46:50,701 INFO L471 AbstractCegarLoop]: Abstraction has 299 states and 408 transitions. [2024-11-20 18:46:50,701 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-20 18:46:50,702 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 408 transitions. [2024-11-20 18:46:50,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-20 18:46:50,702 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:46:50,703 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-11-20 18:46:50,711 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-20 18:46:50,903 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:46:50,904 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-20 18:46:50,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:46:50,905 INFO L85 PathProgramCache]: Analyzing trace with hash 320559606, now seen corresponding path program 1 times [2024-11-20 18:46:50,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:46:50,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230424707] [2024-11-20 18:46:50,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:46:50,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:46:50,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:51,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 18:46:51,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:51,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-20 18:46:51,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:51,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-20 18:46:51,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:51,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 18:46:51,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:51,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-20 18:46:51,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:51,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-20 18:46:51,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:51,069 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-20 18:46:51,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:46:51,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230424707] [2024-11-20 18:46:51,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230424707] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:46:51,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [150595475] [2024-11-20 18:46:51,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:46:51,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:46:51,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:46:51,073 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) [2024-11-20 18:46:51,074 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-20 18:46:51,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:51,114 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-20 18:46:51,116 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:46:51,198 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-20 18:46:51,198 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:46:51,322 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-20 18:46:51,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [150595475] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:46:51,322 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 18:46:51,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 7] total 13 [2024-11-20 18:46:51,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641658241] [2024-11-20 18:46:51,322 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 18:46:51,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-20 18:46:51,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:46:51,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-20 18:46:51,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2024-11-20 18:46:51,324 INFO L87 Difference]: Start difference. First operand 299 states and 408 transitions. Second operand has 14 states, 13 states have (on average 4.538461538461538) internal successors, (59), 14 states have internal predecessors, (59), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-20 18:46:51,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:46:51,617 INFO L93 Difference]: Finished difference Result 346 states and 451 transitions. [2024-11-20 18:46:51,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-20 18:46:51,617 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 4.538461538461538) internal successors, (59), 14 states have internal predecessors, (59), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) Word has length 55 [2024-11-20 18:46:51,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:46:51,619 INFO L225 Difference]: With dead ends: 346 [2024-11-20 18:46:51,619 INFO L226 Difference]: Without dead ends: 340 [2024-11-20 18:46:51,620 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=180, Invalid=522, Unknown=0, NotChecked=0, Total=702 [2024-11-20 18:46:51,620 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 91 mSDsluCounter, 426 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:46:51,621 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 492 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:46:51,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2024-11-20 18:46:51,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 322. [2024-11-20 18:46:51,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 322 states, 262 states have (on average 1.3931297709923665) internal successors, (365), 281 states have internal predecessors, (365), 33 states have call successors, (33), 7 states have call predecessors, (33), 7 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-20 18:46:51,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 431 transitions. [2024-11-20 18:46:51,649 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 431 transitions. Word has length 55 [2024-11-20 18:46:51,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:46:51,649 INFO L471 AbstractCegarLoop]: Abstraction has 322 states and 431 transitions. [2024-11-20 18:46:51,649 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 4.538461538461538) internal successors, (59), 14 states have internal predecessors, (59), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-20 18:46:51,649 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 431 transitions. [2024-11-20 18:46:51,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-20 18:46:51,651 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:46:51,652 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-11-20 18:46:51,660 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-20 18:46:51,852 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,SelfDestructingSolverStorable16 [2024-11-20 18:46:51,853 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-20 18:46:51,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:46:51,853 INFO L85 PathProgramCache]: Analyzing trace with hash 770531943, now seen corresponding path program 1 times [2024-11-20 18:46:51,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:46:51,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296997926] [2024-11-20 18:46:51,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:46:51,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:46:51,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:46:51,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1267741452] [2024-11-20 18:46:51,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:46:51,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:46:51,868 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:46:51,871 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) [2024-11-20 18:46:51,872 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-20 18:46:51,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:51,920 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-20 18:46:51,922 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:46:52,105 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-20 18:46:52,105 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:46:52,258 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-20 18:46:52,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:46:52,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296997926] [2024-11-20 18:46:52,260 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:46:52,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1267741452] [2024-11-20 18:46:52,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1267741452] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:46:52,260 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-20 18:46:52,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-20 18:46:52,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603824914] [2024-11-20 18:46:52,260 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-20 18:46:52,261 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 18:46:52,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:46:52,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 18:46:52,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-20 18:46:52,262 INFO L87 Difference]: Start difference. First operand 322 states and 431 transitions. Second operand has 8 states, 7 states have (on average 8.571428571428571) internal successors, (60), 8 states have internal predecessors, (60), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-20 18:46:52,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:46:52,812 INFO L93 Difference]: Finished difference Result 367 states and 486 transitions. [2024-11-20 18:46:52,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-20 18:46:52,812 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.571428571428571) internal successors, (60), 8 states have internal predecessors, (60), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 60 [2024-11-20 18:46:52,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:46:52,814 INFO L225 Difference]: With dead ends: 367 [2024-11-20 18:46:52,814 INFO L226 Difference]: Without dead ends: 361 [2024-11-20 18:46:52,815 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2024-11-20 18:46:52,815 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 222 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 314 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-20 18:46:52,816 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [227 Valid, 231 Invalid, 349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 314 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-20 18:46:52,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2024-11-20 18:46:52,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 325. [2024-11-20 18:46:52,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 265 states have (on average 1.3584905660377358) internal successors, (360), 284 states have internal predecessors, (360), 33 states have call successors, (33), 7 states have call predecessors, (33), 7 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-20 18:46:52,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 426 transitions. [2024-11-20 18:46:52,850 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 426 transitions. Word has length 60 [2024-11-20 18:46:52,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:46:52,851 INFO L471 AbstractCegarLoop]: Abstraction has 325 states and 426 transitions. [2024-11-20 18:46:52,851 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.571428571428571) internal successors, (60), 8 states have internal predecessors, (60), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-20 18:46:52,851 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 426 transitions. [2024-11-20 18:46:52,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-20 18:46:52,852 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:46:52,852 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 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] [2024-11-20 18:46:52,861 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-20 18:46:53,053 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 [2024-11-20 18:46:53,055 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-20 18:46:53,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:46:53,056 INFO L85 PathProgramCache]: Analyzing trace with hash -966584528, now seen corresponding path program 1 times [2024-11-20 18:46:53,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:46:53,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128639552] [2024-11-20 18:46:53,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:46:53,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:46:53,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:53,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 18:46:53,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:53,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-20 18:46:53,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:53,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-20 18:46:53,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:53,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 18:46:53,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:53,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-20 18:46:53,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:53,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-20 18:46:53,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:53,185 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-20 18:46:53,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:46:53,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128639552] [2024-11-20 18:46:53,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128639552] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:46:53,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1651320107] [2024-11-20 18:46:53,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:46:53,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:46:53,186 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:46:53,189 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) [2024-11-20 18:46:53,191 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-20 18:46:53,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:53,237 INFO L255 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-20 18:46:53,238 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:46:53,320 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-20 18:46:53,320 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:46:53,431 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-20 18:46:53,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1651320107] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:46:53,431 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 18:46:53,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 8] total 12 [2024-11-20 18:46:53,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856939216] [2024-11-20 18:46:53,431 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 18:46:53,432 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-20 18:46:53,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:46:53,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-20 18:46:53,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-20 18:46:53,433 INFO L87 Difference]: Start difference. First operand 325 states and 426 transitions. Second operand has 12 states, 12 states have (on average 6.25) internal successors, (75), 12 states have internal predecessors, (75), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-20 18:46:53,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:46:53,650 INFO L93 Difference]: Finished difference Result 488 states and 640 transitions. [2024-11-20 18:46:53,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-20 18:46:53,650 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.25) internal successors, (75), 12 states have internal predecessors, (75), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) Word has length 68 [2024-11-20 18:46:53,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:46:53,652 INFO L225 Difference]: With dead ends: 488 [2024-11-20 18:46:53,652 INFO L226 Difference]: Without dead ends: 338 [2024-11-20 18:46:53,653 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 141 SyntacticMatches, 2 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=149, Invalid=271, Unknown=0, NotChecked=0, Total=420 [2024-11-20 18:46:53,654 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 48 mSDsluCounter, 537 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 608 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:46:53,654 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 608 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:46:53,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2024-11-20 18:46:53,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 331. [2024-11-20 18:46:53,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 331 states, 271 states have (on average 1.3468634686346863) internal successors, (365), 290 states have internal predecessors, (365), 33 states have call successors, (33), 7 states have call predecessors, (33), 7 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-20 18:46:53,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 431 transitions. [2024-11-20 18:46:53,695 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 431 transitions. Word has length 68 [2024-11-20 18:46:53,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:46:53,695 INFO L471 AbstractCegarLoop]: Abstraction has 331 states and 431 transitions. [2024-11-20 18:46:53,695 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.25) internal successors, (75), 12 states have internal predecessors, (75), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-20 18:46:53,695 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 431 transitions. [2024-11-20 18:46:53,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-20 18:46:53,696 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:46:53,696 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-20 18:46:53,705 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-20 18:46:53,897 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 [2024-11-20 18:46:53,897 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-20 18:46:53,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:46:53,897 INFO L85 PathProgramCache]: Analyzing trace with hash -281646737, now seen corresponding path program 2 times [2024-11-20 18:46:53,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:46:53,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992872721] [2024-11-20 18:46:53,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:46:53,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:46:53,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:46:53,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1327169394] [2024-11-20 18:46:53,912 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-20 18:46:53,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:46:53,912 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:46:53,914 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) [2024-11-20 18:46:53,916 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-20 18:46:53,963 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-20 18:46:53,963 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 18:46:53,964 INFO L255 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-20 18:46:53,966 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:46:54,034 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-20 18:46:54,034 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:46:54,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:46:54,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992872721] [2024-11-20 18:46:54,080 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:46:54,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1327169394] [2024-11-20 18:46:54,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1327169394] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:46:54,081 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:46:54,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-20 18:46:54,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291573037] [2024-11-20 18:46:54,081 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-20 18:46:54,081 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 18:46:54,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:46:54,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 18:46:54,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-20 18:46:54,082 INFO L87 Difference]: Start difference. First operand 331 states and 431 transitions. Second operand has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-20 18:46:54,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:46:54,215 INFO L93 Difference]: Finished difference Result 480 states and 615 transitions. [2024-11-20 18:46:54,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 18:46:54,215 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 72 [2024-11-20 18:46:54,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:46:54,218 INFO L225 Difference]: With dead ends: 480 [2024-11-20 18:46:54,218 INFO L226 Difference]: Without dead ends: 476 [2024-11-20 18:46:54,219 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-20 18:46:54,220 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 169 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:46:54,220 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 194 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:46:54,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2024-11-20 18:46:54,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 362. [2024-11-20 18:46:54,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 298 states have (on average 1.325503355704698) internal successors, (395), 317 states have internal predecessors, (395), 37 states have call successors, (37), 7 states have call predecessors, (37), 7 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-20 18:46:54,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 469 transitions. [2024-11-20 18:46:54,255 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 469 transitions. Word has length 72 [2024-11-20 18:46:54,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:46:54,256 INFO L471 AbstractCegarLoop]: Abstraction has 362 states and 469 transitions. [2024-11-20 18:46:54,256 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-20 18:46:54,256 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 469 transitions. [2024-11-20 18:46:54,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-20 18:46:54,257 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:46:54,257 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:46:54,267 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-20 18:46:54,457 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 [2024-11-20 18:46:54,458 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-20 18:46:54,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:46:54,458 INFO L85 PathProgramCache]: Analyzing trace with hash 1910905065, now seen corresponding path program 1 times [2024-11-20 18:46:54,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:46:54,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293546719] [2024-11-20 18:46:54,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:46:54,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:46:54,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:54,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 18:46:54,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:54,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-20 18:46:54,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:54,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-20 18:46:54,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:54,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 18:46:54,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:54,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-20 18:46:54,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:54,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-20 18:46:54,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:54,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 18:46:54,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:54,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 18:46:54,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:54,556 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-11-20 18:46:54,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:46:54,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293546719] [2024-11-20 18:46:54,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293546719] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:46:54,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:46:54,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 18:46:54,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598131042] [2024-11-20 18:46:54,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:46:54,558 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 18:46:54,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:46:54,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 18:46:54,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:46:54,558 INFO L87 Difference]: Start difference. First operand 362 states and 469 transitions. Second operand has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-20 18:46:54,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:46:54,658 INFO L93 Difference]: Finished difference Result 362 states and 469 transitions. [2024-11-20 18:46:54,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 18:46:54,659 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 79 [2024-11-20 18:46:54,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:46:54,661 INFO L225 Difference]: With dead ends: 362 [2024-11-20 18:46:54,661 INFO L226 Difference]: Without dead ends: 361 [2024-11-20 18:46:54,662 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:46:54,662 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 2 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:46:54,663 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 118 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:46:54,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2024-11-20 18:46:54,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 361. [2024-11-20 18:46:54,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361 states, 298 states have (on average 1.3120805369127517) internal successors, (391), 316 states have internal predecessors, (391), 37 states have call successors, (37), 7 states have call predecessors, (37), 7 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-20 18:46:54,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 465 transitions. [2024-11-20 18:46:54,700 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 465 transitions. Word has length 79 [2024-11-20 18:46:54,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:46:54,700 INFO L471 AbstractCegarLoop]: Abstraction has 361 states and 465 transitions. [2024-11-20 18:46:54,700 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-20 18:46:54,700 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 465 transitions. [2024-11-20 18:46:54,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-20 18:46:54,701 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:46:54,702 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:46:54,702 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-20 18:46:54,702 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-20 18:46:54,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:46:54,703 INFO L85 PathProgramCache]: Analyzing trace with hash -891485006, now seen corresponding path program 1 times [2024-11-20 18:46:54,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:46:54,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618041919] [2024-11-20 18:46:54,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:46:54,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:46:54,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:54,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 18:46:54,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:54,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-20 18:46:54,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:54,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-20 18:46:54,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:54,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 18:46:54,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:54,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-20 18:46:54,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:54,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-20 18:46:54,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:54,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 18:46:54,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:54,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 18:46:54,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:54,907 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-11-20 18:46:54,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:46:54,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618041919] [2024-11-20 18:46:54,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618041919] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:46:54,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:46:54,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 18:46:54,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924210943] [2024-11-20 18:46:54,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:46:54,908 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 18:46:54,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:46:54,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 18:46:54,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-20 18:46:54,909 INFO L87 Difference]: Start difference. First operand 361 states and 465 transitions. Second operand has 6 states, 5 states have (on average 7.4) internal successors, (37), 6 states have internal predecessors, (37), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-20 18:46:55,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:46:55,132 INFO L93 Difference]: Finished difference Result 561 states and 750 transitions. [2024-11-20 18:46:55,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 18:46:55,133 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.4) internal successors, (37), 6 states have internal predecessors, (37), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 80 [2024-11-20 18:46:55,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:46:55,135 INFO L225 Difference]: With dead ends: 561 [2024-11-20 18:46:55,136 INFO L226 Difference]: Without dead ends: 560 [2024-11-20 18:46:55,136 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-20 18:46:55,136 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 126 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:46:55,137 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 221 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:46:55,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2024-11-20 18:46:55,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 499. [2024-11-20 18:46:55,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 499 states, 422 states have (on average 1.3696682464454977) internal successors, (578), 440 states have internal predecessors, (578), 51 states have call successors, (51), 7 states have call predecessors, (51), 7 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-20 18:46:55,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 499 states and 680 transitions. [2024-11-20 18:46:55,176 INFO L78 Accepts]: Start accepts. Automaton has 499 states and 680 transitions. Word has length 80 [2024-11-20 18:46:55,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:46:55,176 INFO L471 AbstractCegarLoop]: Abstraction has 499 states and 680 transitions. [2024-11-20 18:46:55,176 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.4) internal successors, (37), 6 states have internal predecessors, (37), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-20 18:46:55,176 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 680 transitions. [2024-11-20 18:46:55,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-20 18:46:55,177 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:46:55,177 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:46:55,177 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-20 18:46:55,177 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-20 18:46:55,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:46:55,178 INFO L85 PathProgramCache]: Analyzing trace with hash -1866231285, now seen corresponding path program 1 times [2024-11-20 18:46:55,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:46:55,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474356606] [2024-11-20 18:46:55,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:46:55,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:46:55,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:55,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 18:46:55,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:55,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-20 18:46:55,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:55,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-20 18:46:55,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:55,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 18:46:55,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:55,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-20 18:46:55,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:55,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-20 18:46:55,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:55,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 18:46:55,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:55,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 18:46:55,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:55,346 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-20 18:46:55,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:46:55,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474356606] [2024-11-20 18:46:55,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474356606] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:46:55,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1657787718] [2024-11-20 18:46:55,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:46:55,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:46:55,347 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:46:55,349 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) [2024-11-20 18:46:55,350 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-20 18:46:55,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:55,397 INFO L255 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-20 18:46:55,399 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:46:55,604 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-11-20 18:46:55,604 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:46:55,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1657787718] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:46:55,604 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:46:55,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-11-20 18:46:55,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018814043] [2024-11-20 18:46:55,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:46:55,605 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 18:46:55,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:46:55,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 18:46:55,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2024-11-20 18:46:55,606 INFO L87 Difference]: Start difference. First operand 499 states and 680 transitions. Second operand has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-20 18:46:55,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:46:55,810 INFO L93 Difference]: Finished difference Result 544 states and 729 transitions. [2024-11-20 18:46:55,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 18:46:55,811 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 81 [2024-11-20 18:46:55,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:46:55,813 INFO L225 Difference]: With dead ends: 544 [2024-11-20 18:46:55,813 INFO L226 Difference]: Without dead ends: 543 [2024-11-20 18:46:55,814 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 94 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2024-11-20 18:46:55,815 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 86 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:46:55,815 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 125 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:46:55,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2024-11-20 18:46:55,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 511. [2024-11-20 18:46:55,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 511 states, 434 states have (on average 1.359447004608295) internal successors, (590), 452 states have internal predecessors, (590), 51 states have call successors, (51), 7 states have call predecessors, (51), 7 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-20 18:46:55,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 511 states and 692 transitions. [2024-11-20 18:46:55,863 INFO L78 Accepts]: Start accepts. Automaton has 511 states and 692 transitions. Word has length 81 [2024-11-20 18:46:55,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:46:55,863 INFO L471 AbstractCegarLoop]: Abstraction has 511 states and 692 transitions. [2024-11-20 18:46:55,864 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-20 18:46:55,864 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 692 transitions. [2024-11-20 18:46:55,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-20 18:46:55,864 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:46:55,864 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:46:55,873 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-20 18:46:56,065 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,SelfDestructingSolverStorable22 [2024-11-20 18:46:56,065 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-20 18:46:56,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:46:56,066 INFO L85 PathProgramCache]: Analyzing trace with hash -2018594860, now seen corresponding path program 1 times [2024-11-20 18:46:56,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:46:56,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087108908] [2024-11-20 18:46:56,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:46:56,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:46:56,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:56,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 18:46:56,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:56,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-20 18:46:56,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:56,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-20 18:46:56,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:56,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 18:46:56,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:56,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-20 18:46:56,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:56,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-20 18:46:56,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:56,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 18:46:56,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:56,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 18:46:56,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:56,234 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-20 18:46:56,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:46:56,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087108908] [2024-11-20 18:46:56,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087108908] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:46:56,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1604013927] [2024-11-20 18:46:56,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:46:56,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:46:56,235 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:46:56,237 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) [2024-11-20 18:46:56,238 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-20 18:46:56,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:56,289 INFO L255 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-20 18:46:56,291 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:46:56,429 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-11-20 18:46:56,429 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:46:56,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1604013927] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:46:56,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:46:56,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2024-11-20 18:46:56,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123703137] [2024-11-20 18:46:56,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:46:56,430 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:46:56,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:46:56,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:46:56,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-20 18:46:56,431 INFO L87 Difference]: Start difference. First operand 511 states and 692 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-20 18:46:56,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:46:56,574 INFO L93 Difference]: Finished difference Result 526 states and 705 transitions. [2024-11-20 18:46:56,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:46:56,575 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 82 [2024-11-20 18:46:56,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:46:56,577 INFO L225 Difference]: With dead ends: 526 [2024-11-20 18:46:56,577 INFO L226 Difference]: Without dead ends: 524 [2024-11-20 18:46:56,577 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-20 18:46:56,578 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 54 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:46:56,578 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 93 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:46:56,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2024-11-20 18:46:56,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 515. [2024-11-20 18:46:56,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 515 states, 438 states have (on average 1.3470319634703196) internal successors, (590), 456 states have internal predecessors, (590), 51 states have call successors, (51), 7 states have call predecessors, (51), 7 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-20 18:46:56,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 692 transitions. [2024-11-20 18:46:56,623 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 692 transitions. Word has length 82 [2024-11-20 18:46:56,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:46:56,623 INFO L471 AbstractCegarLoop]: Abstraction has 515 states and 692 transitions. [2024-11-20 18:46:56,623 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-20 18:46:56,623 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 692 transitions. [2024-11-20 18:46:56,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-20 18:46:56,626 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:46:56,626 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:46:56,636 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-20 18:46:56,830 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,SelfDestructingSolverStorable23 [2024-11-20 18:46:56,831 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-20 18:46:56,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:46:56,831 INFO L85 PathProgramCache]: Analyzing trace with hash -1041574332, now seen corresponding path program 1 times [2024-11-20 18:46:56,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:46:56,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844315207] [2024-11-20 18:46:56,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:46:56,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:46:56,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:56,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 18:46:56,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:56,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-20 18:46:56,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:56,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-20 18:46:56,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:56,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 18:46:56,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:56,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-20 18:46:56,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:56,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-20 18:46:56,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:56,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 18:46:56,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:56,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 18:46:56,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:56,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-20 18:46:56,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:56,986 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-20 18:46:56,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:46:56,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844315207] [2024-11-20 18:46:56,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844315207] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:46:56,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1312900804] [2024-11-20 18:46:56,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:46:56,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:46:56,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:46:56,989 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) [2024-11-20 18:46:56,991 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-20 18:46:57,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:57,041 INFO L255 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-20 18:46:57,042 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:46:57,149 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 0 proven. 142 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-20 18:46:57,149 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:46:57,283 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-20 18:46:57,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1312900804] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:46:57,284 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 18:46:57,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 10] total 13 [2024-11-20 18:46:57,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210048694] [2024-11-20 18:46:57,284 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 18:46:57,285 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-20 18:46:57,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:46:57,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-20 18:46:57,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2024-11-20 18:46:57,286 INFO L87 Difference]: Start difference. First operand 515 states and 692 transitions. Second operand has 13 states, 13 states have (on average 5.615384615384615) internal successors, (73), 13 states have internal predecessors, (73), 4 states have call successors, (21), 4 states have call predecessors, (21), 4 states have return successors, (21), 4 states have call predecessors, (21), 4 states have call successors, (21) [2024-11-20 18:46:57,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:46:57,561 INFO L93 Difference]: Finished difference Result 551 states and 728 transitions. [2024-11-20 18:46:57,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-20 18:46:57,562 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.615384615384615) internal successors, (73), 13 states have internal predecessors, (73), 4 states have call successors, (21), 4 states have call predecessors, (21), 4 states have return successors, (21), 4 states have call predecessors, (21), 4 states have call successors, (21) Word has length 86 [2024-11-20 18:46:57,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:46:57,564 INFO L225 Difference]: With dead ends: 551 [2024-11-20 18:46:57,564 INFO L226 Difference]: Without dead ends: 539 [2024-11-20 18:46:57,565 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 181 SyntacticMatches, 5 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=156, Invalid=444, Unknown=0, NotChecked=0, Total=600 [2024-11-20 18:46:57,565 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 63 mSDsluCounter, 453 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 520 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:46:57,566 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 520 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:46:57,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 539 states. [2024-11-20 18:46:57,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 539 to 529. [2024-11-20 18:46:57,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 529 states, 451 states have (on average 1.334811529933481) internal successors, (602), 469 states have internal predecessors, (602), 51 states have call successors, (51), 8 states have call predecessors, (51), 8 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-20 18:46:57,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 704 transitions. [2024-11-20 18:46:57,608 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 704 transitions. Word has length 86 [2024-11-20 18:46:57,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:46:57,609 INFO L471 AbstractCegarLoop]: Abstraction has 529 states and 704 transitions. [2024-11-20 18:46:57,609 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.615384615384615) internal successors, (73), 13 states have internal predecessors, (73), 4 states have call successors, (21), 4 states have call predecessors, (21), 4 states have return successors, (21), 4 states have call predecessors, (21), 4 states have call successors, (21) [2024-11-20 18:46:57,609 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 704 transitions. [2024-11-20 18:46:57,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-20 18:46:57,610 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:46:57,610 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:46:57,618 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-20 18:46:57,811 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:46:57,811 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-20 18:46:57,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:46:57,811 INFO L85 PathProgramCache]: Analyzing trace with hash 595065312, now seen corresponding path program 1 times [2024-11-20 18:46:57,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:46:57,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770278997] [2024-11-20 18:46:57,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:46:57,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:46:57,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:46:57,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [327621752] [2024-11-20 18:46:57,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:46:57,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:46:57,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:46:57,842 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) [2024-11-20 18:46:57,844 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-20 18:46:57,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:57,899 INFO L255 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-20 18:46:57,902 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:46:58,319 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-20 18:46:58,320 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:46:58,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:46:58,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770278997] [2024-11-20 18:46:58,770 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:46:58,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [327621752] [2024-11-20 18:46:58,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [327621752] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:46:58,771 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:46:58,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-20 18:46:58,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589122822] [2024-11-20 18:46:58,771 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-20 18:46:58,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-20 18:46:58,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:46:58,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-20 18:46:58,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2024-11-20 18:46:58,773 INFO L87 Difference]: Start difference. First operand 529 states and 704 transitions. Second operand has 9 states, 8 states have (on average 6.25) internal successors, (50), 9 states have internal predecessors, (50), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-20 18:46:59,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:46:59,290 INFO L93 Difference]: Finished difference Result 598 states and 796 transitions. [2024-11-20 18:46:59,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-20 18:46:59,291 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.25) internal successors, (50), 9 states have internal predecessors, (50), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 87 [2024-11-20 18:46:59,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:46:59,294 INFO L225 Difference]: With dead ends: 598 [2024-11-20 18:46:59,294 INFO L226 Difference]: Without dead ends: 597 [2024-11-20 18:46:59,294 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2024-11-20 18:46:59,295 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 65 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 576 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 581 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 576 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-20 18:46:59,297 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 363 Invalid, 581 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 576 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-20 18:46:59,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597 states. [2024-11-20 18:46:59,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597 to 569. [2024-11-20 18:46:59,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 569 states, 487 states have (on average 1.3305954825462012) internal successors, (648), 505 states have internal predecessors, (648), 55 states have call successors, (55), 8 states have call predecessors, (55), 8 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2024-11-20 18:46:59,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 569 states and 758 transitions. [2024-11-20 18:46:59,340 INFO L78 Accepts]: Start accepts. Automaton has 569 states and 758 transitions. Word has length 87 [2024-11-20 18:46:59,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:46:59,341 INFO L471 AbstractCegarLoop]: Abstraction has 569 states and 758 transitions. [2024-11-20 18:46:59,341 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.25) internal successors, (50), 9 states have internal predecessors, (50), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-20 18:46:59,341 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 758 transitions. [2024-11-20 18:46:59,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-20 18:46:59,343 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:46:59,343 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:46:59,351 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-20 18:46:59,547 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 [2024-11-20 18:46:59,548 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-20 18:46:59,548 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:46:59,548 INFO L85 PathProgramCache]: Analyzing trace with hash 1267155581, now seen corresponding path program 1 times [2024-11-20 18:46:59,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:46:59,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460384309] [2024-11-20 18:46:59,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:46:59,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:46:59,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:46:59,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [181971930] [2024-11-20 18:46:59,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:46:59,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:46:59,584 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:46:59,587 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) [2024-11-20 18:46:59,589 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-20 18:46:59,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:46:59,642 INFO L255 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-20 18:46:59,644 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:47:00,071 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-20 18:47:00,071 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:47:00,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:47:00,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460384309] [2024-11-20 18:47:00,387 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:47:00,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [181971930] [2024-11-20 18:47:00,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [181971930] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:47:00,387 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:47:00,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-20 18:47:00,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018401940] [2024-11-20 18:47:00,388 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-20 18:47:00,388 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-20 18:47:00,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:47:00,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-20 18:47:00,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2024-11-20 18:47:00,389 INFO L87 Difference]: Start difference. First operand 569 states and 758 transitions. Second operand has 9 states, 8 states have (on average 6.375) internal successors, (51), 9 states have internal predecessors, (51), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-20 18:47:00,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:47:00,765 INFO L93 Difference]: Finished difference Result 625 states and 836 transitions. [2024-11-20 18:47:00,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-20 18:47:00,766 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.375) internal successors, (51), 9 states have internal predecessors, (51), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 88 [2024-11-20 18:47:00,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:47:00,769 INFO L225 Difference]: With dead ends: 625 [2024-11-20 18:47:00,769 INFO L226 Difference]: Without dead ends: 624 [2024-11-20 18:47:00,770 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2024-11-20 18:47:00,770 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 65 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 397 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 18:47:00,771 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 263 Invalid, 402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 397 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 18:47:00,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 624 states. [2024-11-20 18:47:00,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 624 to 609. [2024-11-20 18:47:00,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 609 states, 523 states have (on average 1.3269598470363289) internal successors, (694), 541 states have internal predecessors, (694), 59 states have call successors, (59), 8 states have call predecessors, (59), 8 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) [2024-11-20 18:47:00,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 609 states and 812 transitions. [2024-11-20 18:47:00,821 INFO L78 Accepts]: Start accepts. Automaton has 609 states and 812 transitions. Word has length 88 [2024-11-20 18:47:00,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:47:00,821 INFO L471 AbstractCegarLoop]: Abstraction has 609 states and 812 transitions. [2024-11-20 18:47:00,821 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.375) internal successors, (51), 9 states have internal predecessors, (51), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-20 18:47:00,821 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 812 transitions. [2024-11-20 18:47:00,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-20 18:47:00,822 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:47:00,822 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:47:00,830 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-11-20 18:47:01,026 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 [2024-11-20 18:47:01,027 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-20 18:47:01,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:47:01,027 INFO L85 PathProgramCache]: Analyzing trace with hash 627117442, now seen corresponding path program 1 times [2024-11-20 18:47:01,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:47:01,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161623931] [2024-11-20 18:47:01,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:47:01,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:47:01,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:01,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 18:47:01,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:01,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-20 18:47:01,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:01,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-20 18:47:01,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:01,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 18:47:01,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:01,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-20 18:47:01,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:01,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-20 18:47:01,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:01,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 18:47:01,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:01,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 18:47:01,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:01,124 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-11-20 18:47:01,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:47:01,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161623931] [2024-11-20 18:47:01,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [161623931] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:47:01,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:47:01,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 18:47:01,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657698436] [2024-11-20 18:47:01,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:47:01,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 18:47:01,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:47:01,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 18:47:01,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 18:47:01,126 INFO L87 Difference]: Start difference. First operand 609 states and 812 transitions. Second operand has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-20 18:47:01,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:47:01,363 INFO L93 Difference]: Finished difference Result 614 states and 819 transitions. [2024-11-20 18:47:01,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 18:47:01,363 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 89 [2024-11-20 18:47:01,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:47:01,366 INFO L225 Difference]: With dead ends: 614 [2024-11-20 18:47:01,366 INFO L226 Difference]: Without dead ends: 613 [2024-11-20 18:47:01,366 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-20 18:47:01,366 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 89 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:47:01,367 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 112 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:47:01,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 613 states. [2024-11-20 18:47:01,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 613 to 608. [2024-11-20 18:47:01,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 608 states, 523 states have (on average 1.311663479923518) internal successors, (686), 540 states have internal predecessors, (686), 59 states have call successors, (59), 8 states have call predecessors, (59), 8 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) [2024-11-20 18:47:01,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 608 states and 804 transitions. [2024-11-20 18:47:01,420 INFO L78 Accepts]: Start accepts. Automaton has 608 states and 804 transitions. Word has length 89 [2024-11-20 18:47:01,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:47:01,420 INFO L471 AbstractCegarLoop]: Abstraction has 608 states and 804 transitions. [2024-11-20 18:47:01,420 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-20 18:47:01,420 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 804 transitions. [2024-11-20 18:47:01,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-20 18:47:01,421 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:47:01,421 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:47:01,421 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-20 18:47:01,421 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-20 18:47:01,422 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:47:01,422 INFO L85 PathProgramCache]: Analyzing trace with hash -2034195681, now seen corresponding path program 1 times [2024-11-20 18:47:01,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:47:01,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686749924] [2024-11-20 18:47:01,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:47:01,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:47:01,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:47:01,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1001451037] [2024-11-20 18:47:01,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:47:01,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:47:01,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:47:01,444 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) [2024-11-20 18:47:01,444 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-20 18:47:01,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:01,494 INFO L255 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-20 18:47:01,496 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:47:02,211 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-20 18:47:02,212 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:47:05,182 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-20 18:47:05,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:47:05,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686749924] [2024-11-20 18:47:05,182 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:47:05,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1001451037] [2024-11-20 18:47:05,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1001451037] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:47:05,182 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-20 18:47:05,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2024-11-20 18:47:05,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215736925] [2024-11-20 18:47:05,183 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-20 18:47:05,183 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-20 18:47:05,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:47:05,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-20 18:47:05,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=264, Unknown=0, NotChecked=0, Total=380 [2024-11-20 18:47:05,185 INFO L87 Difference]: Start difference. First operand 608 states and 804 transitions. Second operand has 20 states, 19 states have (on average 5.2631578947368425) internal successors, (100), 20 states have internal predecessors, (100), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2024-11-20 18:47:10,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:47:10,445 INFO L93 Difference]: Finished difference Result 777 states and 1036 transitions. [2024-11-20 18:47:10,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-20 18:47:10,446 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 5.2631578947368425) internal successors, (100), 20 states have internal predecessors, (100), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) Word has length 90 [2024-11-20 18:47:10,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:47:10,450 INFO L225 Difference]: With dead ends: 777 [2024-11-20 18:47:10,450 INFO L226 Difference]: Without dead ends: 627 [2024-11-20 18:47:10,453 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 283 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=376, Invalid=814, Unknown=0, NotChecked=0, Total=1190 [2024-11-20 18:47:10,454 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 316 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 942 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 321 SdHoareTripleChecker+Valid, 402 SdHoareTripleChecker+Invalid, 1024 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 942 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:47:10,454 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [321 Valid, 402 Invalid, 1024 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 942 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-11-20 18:47:10,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 627 states. [2024-11-20 18:47:10,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 627 to 563. [2024-11-20 18:47:10,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 563 states, 484 states have (on average 1.3243801652892562) internal successors, (641), 501 states have internal predecessors, (641), 53 states have call successors, (53), 8 states have call predecessors, (53), 8 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2024-11-20 18:47:10,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 563 states and 747 transitions. [2024-11-20 18:47:10,508 INFO L78 Accepts]: Start accepts. Automaton has 563 states and 747 transitions. Word has length 90 [2024-11-20 18:47:10,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:47:10,508 INFO L471 AbstractCegarLoop]: Abstraction has 563 states and 747 transitions. [2024-11-20 18:47:10,509 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 5.2631578947368425) internal successors, (100), 20 states have internal predecessors, (100), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2024-11-20 18:47:10,509 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 747 transitions. [2024-11-20 18:47:10,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-20 18:47:10,510 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:47:10,510 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2024-11-20 18:47:10,519 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-20 18:47:10,710 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,SelfDestructingSolverStorable28 [2024-11-20 18:47:10,711 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-20 18:47:10,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:47:10,711 INFO L85 PathProgramCache]: Analyzing trace with hash -861697330, now seen corresponding path program 3 times [2024-11-20 18:47:10,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:47:10,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370082088] [2024-11-20 18:47:10,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:47:10,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:47:10,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:47:10,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1700502428] [2024-11-20 18:47:10,725 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-20 18:47:10,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:47:10,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:47:10,728 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) [2024-11-20 18:47:10,731 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-20 18:47:10,800 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-20 18:47:10,800 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 18:47:10,801 INFO L255 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-20 18:47:10,802 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:47:10,939 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 26 proven. 38 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2024-11-20 18:47:10,940 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:47:11,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:47:11,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370082088] [2024-11-20 18:47:11,161 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:47:11,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1700502428] [2024-11-20 18:47:11,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1700502428] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:47:11,163 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:47:11,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-20 18:47:11,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771086857] [2024-11-20 18:47:11,163 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-20 18:47:11,164 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 18:47:11,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:47:11,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 18:47:11,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2024-11-20 18:47:11,165 INFO L87 Difference]: Start difference. First operand 563 states and 747 transitions. Second operand has 8 states, 7 states have (on average 4.571428571428571) internal successors, (32), 7 states have internal predecessors, (32), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-20 18:47:12,977 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-20 18:47:13,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:47:13,401 INFO L93 Difference]: Finished difference Result 605 states and 784 transitions. [2024-11-20 18:47:13,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-20 18:47:13,402 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 4.571428571428571) internal successors, (32), 7 states have internal predecessors, (32), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 98 [2024-11-20 18:47:13,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:47:13,405 INFO L225 Difference]: With dead ends: 605 [2024-11-20 18:47:13,405 INFO L226 Difference]: Without dead ends: 601 [2024-11-20 18:47:13,405 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2024-11-20 18:47:13,406 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 154 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 502 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:47:13,406 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 345 Invalid, 533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 502 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-20 18:47:13,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2024-11-20 18:47:13,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 560. [2024-11-20 18:47:13,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 560 states, 484 states have (on average 1.2913223140495869) internal successors, (625), 498 states have internal predecessors, (625), 53 states have call successors, (53), 8 states have call predecessors, (53), 8 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2024-11-20 18:47:13,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 731 transitions. [2024-11-20 18:47:13,463 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 731 transitions. Word has length 98 [2024-11-20 18:47:13,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:47:13,464 INFO L471 AbstractCegarLoop]: Abstraction has 560 states and 731 transitions. [2024-11-20 18:47:13,464 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 4.571428571428571) internal successors, (32), 7 states have internal predecessors, (32), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-20 18:47:13,464 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 731 transitions. [2024-11-20 18:47:13,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-20 18:47:13,465 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:47:13,465 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:47:13,474 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-11-20 18:47:13,666 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:47:13,666 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-20 18:47:13,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:47:13,666 INFO L85 PathProgramCache]: Analyzing trace with hash 1064735134, now seen corresponding path program 1 times [2024-11-20 18:47:13,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:47:13,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390312666] [2024-11-20 18:47:13,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:47:13,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:47:13,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:47:13,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1862709116] [2024-11-20 18:47:13,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:47:13,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:47:13,690 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:47:13,692 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) [2024-11-20 18:47:13,697 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-20 18:47:13,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:13,748 INFO L255 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-20 18:47:13,750 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:47:14,242 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-20 18:47:14,243 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:47:14,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:47:14,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390312666] [2024-11-20 18:47:14,639 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:47:14,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1862709116] [2024-11-20 18:47:14,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1862709116] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:47:14,640 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:47:14,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-20 18:47:14,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004270954] [2024-11-20 18:47:14,640 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-20 18:47:14,640 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-20 18:47:14,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:47:14,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-20 18:47:14,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2024-11-20 18:47:14,641 INFO L87 Difference]: Start difference. First operand 560 states and 731 transitions. Second operand has 9 states, 8 states have (on average 7.125) internal successors, (57), 9 states have internal predecessors, (57), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-20 18:47:14,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:47:14,981 INFO L93 Difference]: Finished difference Result 565 states and 738 transitions. [2024-11-20 18:47:14,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-20 18:47:14,982 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 7.125) internal successors, (57), 9 states have internal predecessors, (57), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 104 [2024-11-20 18:47:14,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:47:14,984 INFO L225 Difference]: With dead ends: 565 [2024-11-20 18:47:14,984 INFO L226 Difference]: Without dead ends: 564 [2024-11-20 18:47:14,984 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2024-11-20 18:47:14,985 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 26 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 382 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 382 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:47:14,985 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 357 Invalid, 385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 382 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:47:14,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2024-11-20 18:47:15,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 561. [2024-11-20 18:47:15,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 561 states, 485 states have (on average 1.2907216494845362) internal successors, (626), 499 states have internal predecessors, (626), 53 states have call successors, (53), 8 states have call predecessors, (53), 8 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2024-11-20 18:47:15,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 561 states and 732 transitions. [2024-11-20 18:47:15,037 INFO L78 Accepts]: Start accepts. Automaton has 561 states and 732 transitions. Word has length 104 [2024-11-20 18:47:15,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:47:15,038 INFO L471 AbstractCegarLoop]: Abstraction has 561 states and 732 transitions. [2024-11-20 18:47:15,038 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 7.125) internal successors, (57), 9 states have internal predecessors, (57), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-20 18:47:15,038 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 732 transitions. [2024-11-20 18:47:15,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-20 18:47:15,039 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:47:15,039 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:47:15,048 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-11-20 18:47:15,240 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:47:15,240 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-20 18:47:15,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:47:15,240 INFO L85 PathProgramCache]: Analyzing trace with hash -1352949077, now seen corresponding path program 1 times [2024-11-20 18:47:15,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:47:15,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953698955] [2024-11-20 18:47:15,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:47:15,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:47:15,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:47:15,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [535655414] [2024-11-20 18:47:15,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:47:15,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:47:15,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:47:15,272 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) [2024-11-20 18:47:15,273 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-20 18:47:15,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:15,329 INFO L255 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-20 18:47:15,331 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:47:15,846 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-20 18:47:15,846 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:47:16,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:47:16,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953698955] [2024-11-20 18:47:16,440 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:47:16,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [535655414] [2024-11-20 18:47:16,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [535655414] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:47:16,440 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:47:16,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-20 18:47:16,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257244096] [2024-11-20 18:47:16,440 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-20 18:47:16,440 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 18:47:16,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:47:16,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 18:47:16,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2024-11-20 18:47:16,441 INFO L87 Difference]: Start difference. First operand 561 states and 732 transitions. Second operand has 10 states, 9 states have (on average 6.444444444444445) internal successors, (58), 10 states have internal predecessors, (58), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-20 18:47:16,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:47:16,751 INFO L93 Difference]: Finished difference Result 870 states and 1171 transitions. [2024-11-20 18:47:16,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-20 18:47:16,752 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.444444444444445) internal successors, (58), 10 states have internal predecessors, (58), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 105 [2024-11-20 18:47:16,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:47:16,753 INFO L225 Difference]: With dead ends: 870 [2024-11-20 18:47:16,754 INFO L226 Difference]: Without dead ends: 558 [2024-11-20 18:47:16,754 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=101, Invalid=205, Unknown=0, NotChecked=0, Total=306 [2024-11-20 18:47:16,755 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 65 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 397 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:47:16,755 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 320 Invalid, 413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 397 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:47:16,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 558 states. [2024-11-20 18:47:16,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 558 to 545. [2024-11-20 18:47:16,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 545 states, 469 states have (on average 1.2985074626865671) internal successors, (609), 483 states have internal predecessors, (609), 53 states have call successors, (53), 8 states have call predecessors, (53), 8 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2024-11-20 18:47:16,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 545 states and 715 transitions. [2024-11-20 18:47:16,806 INFO L78 Accepts]: Start accepts. Automaton has 545 states and 715 transitions. Word has length 105 [2024-11-20 18:47:16,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:47:16,806 INFO L471 AbstractCegarLoop]: Abstraction has 545 states and 715 transitions. [2024-11-20 18:47:16,806 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.444444444444445) internal successors, (58), 10 states have internal predecessors, (58), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-20 18:47:16,807 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 715 transitions. [2024-11-20 18:47:16,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-20 18:47:16,807 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:47:16,807 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:47:16,816 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-11-20 18:47:17,011 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,SelfDestructingSolverStorable31 [2024-11-20 18:47:17,012 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-20 18:47:17,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:47:17,012 INFO L85 PathProgramCache]: Analyzing trace with hash 1008251712, now seen corresponding path program 1 times [2024-11-20 18:47:17,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:47:17,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034797060] [2024-11-20 18:47:17,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:47:17,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:47:17,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:17,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 18:47:17,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:17,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-20 18:47:17,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:17,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-20 18:47:17,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:17,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 18:47:17,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:17,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-20 18:47:17,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:17,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-20 18:47:17,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:17,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 18:47:17,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:17,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 18:47:17,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:17,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-20 18:47:17,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:17,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-20 18:47:17,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:17,117 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-20 18:47:17,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:47:17,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034797060] [2024-11-20 18:47:17,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1034797060] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:47:17,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:47:17,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 18:47:17,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776125410] [2024-11-20 18:47:17,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:47:17,121 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 18:47:17,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:47:17,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 18:47:17,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 18:47:17,122 INFO L87 Difference]: Start difference. First operand 545 states and 715 transitions. Second operand has 5 states, 4 states have (on average 13.25) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-20 18:47:17,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:47:17,286 INFO L93 Difference]: Finished difference Result 545 states and 715 transitions. [2024-11-20 18:47:17,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 18:47:17,287 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.25) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 106 [2024-11-20 18:47:17,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:47:17,289 INFO L225 Difference]: With dead ends: 545 [2024-11-20 18:47:17,289 INFO L226 Difference]: Without dead ends: 544 [2024-11-20 18:47:17,290 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-20 18:47:17,291 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 56 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:47:17,291 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 140 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:47:17,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 544 states. [2024-11-20 18:47:17,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 544 to 544. [2024-11-20 18:47:17,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 544 states, 469 states have (on average 1.2963752665245203) internal successors, (608), 482 states have internal predecessors, (608), 53 states have call successors, (53), 8 states have call predecessors, (53), 8 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2024-11-20 18:47:17,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 714 transitions. [2024-11-20 18:47:17,346 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 714 transitions. Word has length 106 [2024-11-20 18:47:17,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:47:17,347 INFO L471 AbstractCegarLoop]: Abstraction has 544 states and 714 transitions. [2024-11-20 18:47:17,347 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.25) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-20 18:47:17,347 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 714 transitions. [2024-11-20 18:47:17,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-20 18:47:17,351 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:47:17,351 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 1, 1, 1, 1, 1] [2024-11-20 18:47:17,351 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-20 18:47:17,351 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-20 18:47:17,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:47:17,351 INFO L85 PathProgramCache]: Analyzing trace with hash -1723994400, now seen corresponding path program 1 times [2024-11-20 18:47:17,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:47:17,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827170905] [2024-11-20 18:47:17,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:47:17,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:47:17,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:17,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 18:47:17,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:17,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-20 18:47:17,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:17,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-20 18:47:17,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:17,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 18:47:17,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:17,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-20 18:47:17,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:17,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-20 18:47:17,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:17,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 18:47:17,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:17,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 18:47:17,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:17,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-20 18:47:17,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:17,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-20 18:47:17,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:17,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-20 18:47:17,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:17,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 18:47:17,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:17,470 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-20 18:47:17,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:47:17,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827170905] [2024-11-20 18:47:17,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827170905] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:47:17,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1377305371] [2024-11-20 18:47:17,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:47:17,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:47:17,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:47:17,473 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) [2024-11-20 18:47:17,475 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-20 18:47:17,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:17,526 INFO L255 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-20 18:47:17,527 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:47:17,596 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-20 18:47:17,596 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:47:17,725 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-20 18:47:17,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1377305371] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:47:17,725 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 18:47:17,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-20 18:47:17,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045300875] [2024-11-20 18:47:17,725 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 18:47:17,726 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-20 18:47:17,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:47:17,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-20 18:47:17,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2024-11-20 18:47:17,726 INFO L87 Difference]: Start difference. First operand 544 states and 714 transitions. Second operand has 11 states, 10 states have (on average 10.8) internal successors, (108), 11 states have internal predecessors, (108), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2024-11-20 18:47:18,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:47:18,041 INFO L93 Difference]: Finished difference Result 1055 states and 1356 transitions. [2024-11-20 18:47:18,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-20 18:47:18,041 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 10.8) internal successors, (108), 11 states have internal predecessors, (108), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) Word has length 108 [2024-11-20 18:47:18,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:47:18,045 INFO L225 Difference]: With dead ends: 1055 [2024-11-20 18:47:18,046 INFO L226 Difference]: Without dead ends: 1053 [2024-11-20 18:47:18,046 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2024-11-20 18:47:18,047 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 393 mSDsluCounter, 375 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 409 SdHoareTripleChecker+Valid, 449 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:47:18,047 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [409 Valid, 449 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:47:18,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1053 states. [2024-11-20 18:47:18,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1053 to 650. [2024-11-20 18:47:18,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 650 states, 559 states have (on average 1.2772808586762074) internal successors, (714), 572 states have internal predecessors, (714), 69 states have call successors, (69), 8 states have call predecessors, (69), 8 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2024-11-20 18:47:18,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 852 transitions. [2024-11-20 18:47:18,110 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 852 transitions. Word has length 108 [2024-11-20 18:47:18,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:47:18,111 INFO L471 AbstractCegarLoop]: Abstraction has 650 states and 852 transitions. [2024-11-20 18:47:18,111 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 10.8) internal successors, (108), 11 states have internal predecessors, (108), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2024-11-20 18:47:18,111 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 852 transitions. [2024-11-20 18:47:18,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-20 18:47:18,112 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:47:18,112 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:47:18,121 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-11-20 18:47:18,316 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2024-11-20 18:47:18,316 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-20 18:47:18,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:47:18,316 INFO L85 PathProgramCache]: Analyzing trace with hash 1191032141, now seen corresponding path program 1 times [2024-11-20 18:47:18,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:47:18,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798466675] [2024-11-20 18:47:18,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:47:18,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:47:18,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:47:18,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1007459585] [2024-11-20 18:47:18,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:47:18,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:47:18,341 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:47:18,344 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) [2024-11-20 18:47:18,346 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-20 18:47:18,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:18,402 INFO L255 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-20 18:47:18,404 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:47:18,704 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-20 18:47:18,704 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:47:22,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:47:22,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798466675] [2024-11-20 18:47:22,851 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:47:22,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1007459585] [2024-11-20 18:47:22,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1007459585] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:47:22,851 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:47:22,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-20 18:47:22,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373034474] [2024-11-20 18:47:22,852 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-20 18:47:22,853 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 18:47:22,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:47:22,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 18:47:22,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=62, Unknown=1, NotChecked=0, Total=90 [2024-11-20 18:47:22,853 INFO L87 Difference]: Start difference. First operand 650 states and 852 transitions. Second operand has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-20 18:47:23,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:47:23,128 INFO L93 Difference]: Finished difference Result 693 states and 914 transitions. [2024-11-20 18:47:23,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 18:47:23,129 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 107 [2024-11-20 18:47:23,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:47:23,132 INFO L225 Difference]: With dead ends: 693 [2024-11-20 18:47:23,132 INFO L226 Difference]: Without dead ends: 688 [2024-11-20 18:47:23,133 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=27, Invalid=62, Unknown=1, NotChecked=0, Total=90 [2024-11-20 18:47:23,133 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 11 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 253 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:47:23,133 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 198 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 253 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:47:23,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 688 states. [2024-11-20 18:47:23,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 688 to 676. [2024-11-20 18:47:23,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 676 states, 581 states have (on average 1.2857142857142858) internal successors, (747), 594 states have internal predecessors, (747), 73 states have call successors, (73), 8 states have call predecessors, (73), 8 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) [2024-11-20 18:47:23,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 676 states and 893 transitions. [2024-11-20 18:47:23,214 INFO L78 Accepts]: Start accepts. Automaton has 676 states and 893 transitions. Word has length 107 [2024-11-20 18:47:23,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:47:23,215 INFO L471 AbstractCegarLoop]: Abstraction has 676 states and 893 transitions. [2024-11-20 18:47:23,215 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-20 18:47:23,215 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 893 transitions. [2024-11-20 18:47:23,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-20 18:47:23,216 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:47:23,216 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:47:23,225 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-11-20 18:47:23,417 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 [2024-11-20 18:47:23,417 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-20 18:47:23,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:47:23,417 INFO L85 PathProgramCache]: Analyzing trace with hash -947865238, now seen corresponding path program 1 times [2024-11-20 18:47:23,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:47:23,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025615477] [2024-11-20 18:47:23,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:47:23,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:47:23,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:23,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 18:47:23,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:23,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-20 18:47:23,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:23,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-20 18:47:23,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:23,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 18:47:23,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:23,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-20 18:47:23,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:23,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-20 18:47:23,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:23,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 18:47:23,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:23,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 18:47:23,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:23,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-20 18:47:23,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:23,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-20 18:47:23,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:23,648 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-20 18:47:23,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:47:23,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025615477] [2024-11-20 18:47:23,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025615477] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:47:23,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [419736722] [2024-11-20 18:47:23,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:47:23,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:47:23,649 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:47:23,651 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) [2024-11-20 18:47:23,652 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-20 18:47:23,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:23,728 INFO L255 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-20 18:47:23,730 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:47:23,806 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 7 proven. 23 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-20 18:47:23,806 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:47:23,906 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 7 proven. 23 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-20 18:47:23,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [419736722] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:47:23,907 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 18:47:23,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 12 [2024-11-20 18:47:23,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578623752] [2024-11-20 18:47:23,907 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 18:47:23,907 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-20 18:47:23,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:47:23,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-20 18:47:23,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-20 18:47:23,908 INFO L87 Difference]: Start difference. First operand 676 states and 893 transitions. Second operand has 12 states, 12 states have (on average 11.416666666666666) internal successors, (137), 12 states have internal predecessors, (137), 6 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) [2024-11-20 18:47:24,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:47:24,605 INFO L93 Difference]: Finished difference Result 1112 states and 1505 transitions. [2024-11-20 18:47:24,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-20 18:47:24,605 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 11.416666666666666) internal successors, (137), 12 states have internal predecessors, (137), 6 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) Word has length 110 [2024-11-20 18:47:24,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:47:24,609 INFO L225 Difference]: With dead ends: 1112 [2024-11-20 18:47:24,609 INFO L226 Difference]: Without dead ends: 946 [2024-11-20 18:47:24,610 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=97, Invalid=409, Unknown=0, NotChecked=0, Total=506 [2024-11-20 18:47:24,610 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 221 mSDsluCounter, 605 mSDsCounter, 0 mSdLazyCounter, 765 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 698 SdHoareTripleChecker+Invalid, 789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 765 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-20 18:47:24,611 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [225 Valid, 698 Invalid, 789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 765 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-20 18:47:24,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 946 states. [2024-11-20 18:47:24,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 946 to 664. [2024-11-20 18:47:24,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 664 states, 570 states have (on average 1.317543859649123) internal successors, (751), 583 states have internal predecessors, (751), 73 states have call successors, (73), 7 states have call predecessors, (73), 7 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) [2024-11-20 18:47:24,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 664 states and 897 transitions. [2024-11-20 18:47:24,690 INFO L78 Accepts]: Start accepts. Automaton has 664 states and 897 transitions. Word has length 110 [2024-11-20 18:47:24,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:47:24,691 INFO L471 AbstractCegarLoop]: Abstraction has 664 states and 897 transitions. [2024-11-20 18:47:24,691 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 11.416666666666666) internal successors, (137), 12 states have internal predecessors, (137), 6 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) [2024-11-20 18:47:24,691 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 897 transitions. [2024-11-20 18:47:24,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-20 18:47:24,692 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:47:24,692 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-20 18:47:24,701 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-11-20 18:47:24,892 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:47:24,893 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-20 18:47:24,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:47:24,893 INFO L85 PathProgramCache]: Analyzing trace with hash -1591341407, now seen corresponding path program 2 times [2024-11-20 18:47:24,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:47:24,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733235098] [2024-11-20 18:47:24,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:47:24,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:47:24,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:47:24,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1393555480] [2024-11-20 18:47:24,917 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-20 18:47:24,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:47:24,918 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:47:24,920 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:47:24,921 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-20 18:47:24,979 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-20 18:47:24,979 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 18:47:24,980 INFO L255 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-20 18:47:24,982 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:47:25,160 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 34 proven. 5 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-20 18:47:25,160 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:47:25,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:47:25,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733235098] [2024-11-20 18:47:25,716 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:47:25,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1393555480] [2024-11-20 18:47:25,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1393555480] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:47:25,717 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:47:25,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-20 18:47:25,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32062134] [2024-11-20 18:47:25,717 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-20 18:47:25,717 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 18:47:25,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:47:25,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 18:47:25,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-20 18:47:25,718 INFO L87 Difference]: Start difference. First operand 664 states and 897 transitions. Second operand has 6 states, 5 states have (on average 12.2) internal successors, (61), 6 states have internal predecessors, (61), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-20 18:47:25,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:47:25,885 INFO L93 Difference]: Finished difference Result 676 states and 909 transitions. [2024-11-20 18:47:25,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-20 18:47:25,885 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.2) internal successors, (61), 6 states have internal predecessors, (61), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 113 [2024-11-20 18:47:25,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:47:25,894 INFO L225 Difference]: With dead ends: 676 [2024-11-20 18:47:25,895 INFO L226 Difference]: Without dead ends: 669 [2024-11-20 18:47:25,895 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2024-11-20 18:47:25,895 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 105 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:47:25,896 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 190 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:47:25,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 669 states. [2024-11-20 18:47:25,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 669 to 659. [2024-11-20 18:47:25,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 659 states, 567 states have (on average 1.255731922398589) internal successors, (712), 578 states have internal predecessors, (712), 73 states have call successors, (73), 7 states have call predecessors, (73), 7 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) [2024-11-20 18:47:25,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 858 transitions. [2024-11-20 18:47:25,960 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 858 transitions. Word has length 113 [2024-11-20 18:47:25,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:47:25,961 INFO L471 AbstractCegarLoop]: Abstraction has 659 states and 858 transitions. [2024-11-20 18:47:25,961 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.2) internal successors, (61), 6 states have internal predecessors, (61), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-20 18:47:25,961 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 858 transitions. [2024-11-20 18:47:25,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-20 18:47:25,962 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:47:25,962 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-20 18:47:25,970 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-11-20 18:47:26,163 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-11-20 18:47:26,164 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-20 18:47:26,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:47:26,165 INFO L85 PathProgramCache]: Analyzing trace with hash -2086943268, now seen corresponding path program 2 times [2024-11-20 18:47:26,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:47:26,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671253946] [2024-11-20 18:47:26,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:47:26,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:47:26,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:47:26,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [311252986] [2024-11-20 18:47:26,188 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-20 18:47:26,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:47:26,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:47:26,191 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:47:26,193 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-20 18:47:26,259 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-20 18:47:26,260 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 18:47:26,261 INFO L255 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-20 18:47:26,263 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:47:26,441 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-20 18:47:26,441 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:47:26,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:47:26,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671253946] [2024-11-20 18:47:26,901 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:47:26,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [311252986] [2024-11-20 18:47:26,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [311252986] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:47:26,902 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:47:26,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-20 18:47:26,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664500630] [2024-11-20 18:47:26,902 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-20 18:47:26,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 18:47:26,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:47:26,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 18:47:26,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-11-20 18:47:26,904 INFO L87 Difference]: Start difference. First operand 659 states and 858 transitions. Second operand has 7 states, 6 states have (on average 10.333333333333334) internal successors, (62), 7 states have internal predecessors, (62), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-20 18:47:27,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:47:27,081 INFO L93 Difference]: Finished difference Result 701 states and 912 transitions. [2024-11-20 18:47:27,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 18:47:27,081 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 10.333333333333334) internal successors, (62), 7 states have internal predecessors, (62), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 114 [2024-11-20 18:47:27,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:47:27,084 INFO L225 Difference]: With dead ends: 701 [2024-11-20 18:47:27,084 INFO L226 Difference]: Without dead ends: 700 [2024-11-20 18:47:27,084 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-11-20 18:47:27,084 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 49 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:47:27,084 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 199 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:47:27,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 700 states. [2024-11-20 18:47:27,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 700 to 687. [2024-11-20 18:47:27,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 687 states, 591 states have (on average 1.252115059221658) internal successors, (740), 602 states have internal predecessors, (740), 77 states have call successors, (77), 7 states have call predecessors, (77), 7 states have return successors, (77), 77 states have call predecessors, (77), 77 states have call successors, (77) [2024-11-20 18:47:27,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 687 states and 894 transitions. [2024-11-20 18:47:27,137 INFO L78 Accepts]: Start accepts. Automaton has 687 states and 894 transitions. Word has length 114 [2024-11-20 18:47:27,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:47:27,137 INFO L471 AbstractCegarLoop]: Abstraction has 687 states and 894 transitions. [2024-11-20 18:47:27,137 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 10.333333333333334) internal successors, (62), 7 states have internal predecessors, (62), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-20 18:47:27,137 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 894 transitions. [2024-11-20 18:47:27,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-20 18:47:27,138 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:47:27,139 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:47:27,147 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-11-20 18:47:27,339 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-11-20 18:47:27,339 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-20 18:47:27,340 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:47:27,340 INFO L85 PathProgramCache]: Analyzing trace with hash -977611143, now seen corresponding path program 2 times [2024-11-20 18:47:27,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:47:27,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136222128] [2024-11-20 18:47:27,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:47:27,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:47:27,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:27,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 18:47:27,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:27,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-20 18:47:27,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:27,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-20 18:47:27,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:27,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 18:47:27,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:27,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-20 18:47:27,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:27,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-20 18:47:27,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:27,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 18:47:27,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:27,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 18:47:27,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:27,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-20 18:47:27,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:27,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-20 18:47:27,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:27,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-20 18:47:27,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:27,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 18:47:27,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:27,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-20 18:47:27,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:27,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-20 18:47:27,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:27,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-20 18:47:27,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:27,585 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 124 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-20 18:47:27,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:47:27,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136222128] [2024-11-20 18:47:27,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136222128] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:47:27,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1882617207] [2024-11-20 18:47:27,586 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-20 18:47:27,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:47:27,587 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:47:27,589 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:47:27,590 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-20 18:47:27,633 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-20 18:47:27,634 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 18:47:27,634 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-20 18:47:27,636 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:47:27,671 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 172 proven. 0 refuted. 0 times theorem prover too weak. 372 trivial. 0 not checked. [2024-11-20 18:47:27,672 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:47:27,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1882617207] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:47:27,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:47:27,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [13] total 14 [2024-11-20 18:47:27,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493964266] [2024-11-20 18:47:27,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:47:27,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 18:47:27,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:47:27,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 18:47:27,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2024-11-20 18:47:27,674 INFO L87 Difference]: Start difference. First operand 687 states and 894 transitions. Second operand has 5 states, 4 states have (on average 7.25) internal successors, (29), 5 states have internal predecessors, (29), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-20 18:47:27,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:47:27,795 INFO L93 Difference]: Finished difference Result 688 states and 894 transitions. [2024-11-20 18:47:27,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 18:47:27,796 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.25) internal successors, (29), 5 states have internal predecessors, (29), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 133 [2024-11-20 18:47:27,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:47:27,799 INFO L225 Difference]: With dead ends: 688 [2024-11-20 18:47:27,799 INFO L226 Difference]: Without dead ends: 687 [2024-11-20 18:47:27,799 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=212, Unknown=0, NotChecked=0, Total=272 [2024-11-20 18:47:27,800 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 16 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:47:27,800 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 203 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:47:27,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 687 states. [2024-11-20 18:47:27,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 687 to 687. [2024-11-20 18:47:27,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 687 states, 591 states have (on average 1.248730964467005) internal successors, (738), 602 states have internal predecessors, (738), 77 states have call successors, (77), 7 states have call predecessors, (77), 7 states have return successors, (77), 77 states have call predecessors, (77), 77 states have call successors, (77) [2024-11-20 18:47:27,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 687 states and 892 transitions. [2024-11-20 18:47:27,867 INFO L78 Accepts]: Start accepts. Automaton has 687 states and 892 transitions. Word has length 133 [2024-11-20 18:47:27,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:47:27,867 INFO L471 AbstractCegarLoop]: Abstraction has 687 states and 892 transitions. [2024-11-20 18:47:27,868 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.25) internal successors, (29), 5 states have internal predecessors, (29), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-20 18:47:27,868 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 892 transitions. [2024-11-20 18:47:27,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-20 18:47:27,869 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:47:27,869 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1] [2024-11-20 18:47:27,876 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-11-20 18:47:28,069 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-11-20 18:47:28,070 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-20 18:47:28,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:47:28,070 INFO L85 PathProgramCache]: Analyzing trace with hash 810938831, now seen corresponding path program 2 times [2024-11-20 18:47:28,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:47:28,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991416357] [2024-11-20 18:47:28,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:47:28,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:47:28,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:28,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 18:47:28,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:28,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-20 18:47:28,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:28,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-20 18:47:28,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:28,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 18:47:28,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:28,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-20 18:47:28,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:28,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-20 18:47:28,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:28,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 18:47:28,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:28,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 18:47:28,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:28,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-20 18:47:28,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:28,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-20 18:47:28,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:28,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-20 18:47:28,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:28,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 18:47:28,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:28,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-20 18:47:28,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:28,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-20 18:47:28,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:28,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-20 18:47:28,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:28,298 INFO L134 CoverageAnalysis]: Checked inductivity of 575 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-20 18:47:28,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:47:28,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991416357] [2024-11-20 18:47:28,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991416357] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:47:28,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [858806783] [2024-11-20 18:47:28,299 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-20 18:47:28,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:47:28,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:47:28,302 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:47:28,304 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-20 18:47:28,362 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-20 18:47:28,363 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 18:47:28,366 INFO L255 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-20 18:47:28,368 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:47:28,598 INFO L134 CoverageAnalysis]: Checked inductivity of 575 backedges. 15 proven. 500 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-20 18:47:28,598 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:47:28,862 INFO L134 CoverageAnalysis]: Checked inductivity of 575 backedges. 15 proven. 140 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-20 18:47:28,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [858806783] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:47:28,862 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 18:47:28,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 12] total 33 [2024-11-20 18:47:28,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945297842] [2024-11-20 18:47:28,863 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 18:47:28,863 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-20 18:47:28,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:47:28,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-20 18:47:28,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=287, Invalid=835, Unknown=0, NotChecked=0, Total=1122 [2024-11-20 18:47:28,865 INFO L87 Difference]: Start difference. First operand 687 states and 892 transitions. Second operand has 34 states, 33 states have (on average 5.7272727272727275) internal successors, (189), 34 states have internal predecessors, (189), 14 states have call successors, (45), 6 states have call predecessors, (45), 6 states have return successors, (45), 14 states have call predecessors, (45), 14 states have call successors, (45) [2024-11-20 18:47:29,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:47:29,091 INFO L93 Difference]: Finished difference Result 688 states and 892 transitions. [2024-11-20 18:47:29,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-20 18:47:29,091 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 33 states have (on average 5.7272727272727275) internal successors, (189), 34 states have internal predecessors, (189), 14 states have call successors, (45), 6 states have call predecessors, (45), 6 states have return successors, (45), 14 states have call predecessors, (45), 14 states have call successors, (45) Word has length 137 [2024-11-20 18:47:29,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:47:29,094 INFO L225 Difference]: With dead ends: 688 [2024-11-20 18:47:29,094 INFO L226 Difference]: Without dead ends: 687 [2024-11-20 18:47:29,095 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 282 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 310 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=695, Invalid=1375, Unknown=0, NotChecked=0, Total=2070 [2024-11-20 18:47:29,095 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 147 mSDsluCounter, 365 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 427 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:47:29,095 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 427 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:47:29,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 687 states. [2024-11-20 18:47:29,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 687 to 686. [2024-11-20 18:47:29,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 686 states, 591 states have (on average 1.241962774957699) internal successors, (734), 601 states have internal predecessors, (734), 77 states have call successors, (77), 7 states have call predecessors, (77), 7 states have return successors, (77), 77 states have call predecessors, (77), 77 states have call successors, (77) [2024-11-20 18:47:29,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 686 states and 888 transitions. [2024-11-20 18:47:29,145 INFO L78 Accepts]: Start accepts. Automaton has 686 states and 888 transitions. Word has length 137 [2024-11-20 18:47:29,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:47:29,146 INFO L471 AbstractCegarLoop]: Abstraction has 686 states and 888 transitions. [2024-11-20 18:47:29,146 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 33 states have (on average 5.7272727272727275) internal successors, (189), 34 states have internal predecessors, (189), 14 states have call successors, (45), 6 states have call predecessors, (45), 6 states have return successors, (45), 14 states have call predecessors, (45), 14 states have call successors, (45) [2024-11-20 18:47:29,146 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 888 transitions. [2024-11-20 18:47:29,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-20 18:47:29,147 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:47:29,147 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2024-11-20 18:47:29,158 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2024-11-20 18:47:29,351 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-11-20 18:47:29,352 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-20 18:47:29,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:47:29,352 INFO L85 PathProgramCache]: Analyzing trace with hash 1201338624, now seen corresponding path program 1 times [2024-11-20 18:47:29,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:47:29,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431028500] [2024-11-20 18:47:29,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:47:29,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:47:29,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:29,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 18:47:29,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:29,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-20 18:47:29,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:29,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-20 18:47:29,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:29,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 18:47:29,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:29,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-20 18:47:29,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:29,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-20 18:47:29,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:29,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 18:47:29,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:29,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 18:47:29,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:29,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-20 18:47:29,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:29,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-20 18:47:29,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:29,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-20 18:47:29,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:29,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 18:47:29,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:29,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-20 18:47:29,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:29,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-20 18:47:29,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:29,581 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-20 18:47:29,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:47:29,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431028500] [2024-11-20 18:47:29,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431028500] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:47:29,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [818011190] [2024-11-20 18:47:29,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:47:29,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:47:29,582 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:47:29,584 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:47:29,585 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-20 18:47:29,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:29,647 INFO L255 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-20 18:47:29,650 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:47:29,788 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 0 proven. 387 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-20 18:47:29,789 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:47:30,072 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-20 18:47:30,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [818011190] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:47:30,073 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 18:47:30,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 13] total 25 [2024-11-20 18:47:30,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448130225] [2024-11-20 18:47:30,073 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 18:47:30,073 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-20 18:47:30,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:47:30,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-20 18:47:30,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=501, Unknown=0, NotChecked=0, Total=650 [2024-11-20 18:47:30,075 INFO L87 Difference]: Start difference. First operand 686 states and 888 transitions. Second operand has 26 states, 25 states have (on average 6.08) internal successors, (152), 26 states have internal predecessors, (152), 10 states have call successors, (42), 6 states have call predecessors, (42), 6 states have return successors, (42), 10 states have call predecessors, (42), 10 states have call successors, (42) [2024-11-20 18:47:30,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:47:30,711 INFO L93 Difference]: Finished difference Result 837 states and 1054 transitions. [2024-11-20 18:47:30,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-11-20 18:47:30,711 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 6.08) internal successors, (152), 26 states have internal predecessors, (152), 10 states have call successors, (42), 6 states have call predecessors, (42), 6 states have return successors, (42), 10 states have call predecessors, (42), 10 states have call successors, (42) Word has length 137 [2024-11-20 18:47:30,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:47:30,714 INFO L225 Difference]: With dead ends: 837 [2024-11-20 18:47:30,714 INFO L226 Difference]: Without dead ends: 836 [2024-11-20 18:47:30,716 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 340 GetRequests, 288 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 624 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=667, Invalid=2195, Unknown=0, NotChecked=0, Total=2862 [2024-11-20 18:47:30,716 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 221 mSDsluCounter, 747 mSDsCounter, 0 mSdLazyCounter, 257 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 221 SdHoareTripleChecker+Valid, 812 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:47:30,716 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [221 Valid, 812 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 257 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:47:30,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 836 states. [2024-11-20 18:47:30,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 836 to 797. [2024-11-20 18:47:30,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 797 states, 689 states have (on average 1.2264150943396226) internal successors, (845), 699 states have internal predecessors, (845), 83 states have call successors, (83), 14 states have call predecessors, (83), 14 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) [2024-11-20 18:47:30,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 797 states and 1011 transitions. [2024-11-20 18:47:30,794 INFO L78 Accepts]: Start accepts. Automaton has 797 states and 1011 transitions. Word has length 137 [2024-11-20 18:47:30,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:47:30,795 INFO L471 AbstractCegarLoop]: Abstraction has 797 states and 1011 transitions. [2024-11-20 18:47:30,795 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 6.08) internal successors, (152), 26 states have internal predecessors, (152), 10 states have call successors, (42), 6 states have call predecessors, (42), 6 states have return successors, (42), 10 states have call predecessors, (42), 10 states have call successors, (42) [2024-11-20 18:47:30,795 INFO L276 IsEmpty]: Start isEmpty. Operand 797 states and 1011 transitions. [2024-11-20 18:47:30,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-20 18:47:30,796 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:47:30,796 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:47:30,805 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2024-11-20 18:47:31,000 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:47:31,001 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-20 18:47:31,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:47:31,001 INFO L85 PathProgramCache]: Analyzing trace with hash -341824277, now seen corresponding path program 1 times [2024-11-20 18:47:31,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:47:31,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126151451] [2024-11-20 18:47:31,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:47:31,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:47:31,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:31,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 18:47:31,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:31,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-20 18:47:31,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:31,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-20 18:47:31,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:31,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 18:47:31,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:31,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-20 18:47:31,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:31,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-20 18:47:31,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:31,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 18:47:31,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:31,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 18:47:31,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:31,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-20 18:47:31,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:31,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-20 18:47:31,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:31,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 18:47:31,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:31,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 18:47:31,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:31,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-20 18:47:31,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:31,274 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-20 18:47:31,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:47:31,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126151451] [2024-11-20 18:47:31,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1126151451] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:47:31,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1679088460] [2024-11-20 18:47:31,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:47:31,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:47:31,275 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:47:31,277 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:47:31,278 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-20 18:47:31,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:31,343 INFO L255 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-20 18:47:31,345 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:47:31,670 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-20 18:47:31,670 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:47:32,970 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-20 18:47:32,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1679088460] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:47:32,971 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 18:47:32,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 7] total 21 [2024-11-20 18:47:32,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807201957] [2024-11-20 18:47:32,971 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 18:47:32,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-20 18:47:32,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:47:32,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-20 18:47:32,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=164, Invalid=298, Unknown=0, NotChecked=0, Total=462 [2024-11-20 18:47:32,972 INFO L87 Difference]: Start difference. First operand 797 states and 1011 transitions. Second operand has 22 states, 21 states have (on average 10.285714285714286) internal successors, (216), 22 states have internal predecessors, (216), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2024-11-20 18:47:33,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:47:33,908 INFO L93 Difference]: Finished difference Result 1173 states and 1497 transitions. [2024-11-20 18:47:33,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-20 18:47:33,908 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 10.285714285714286) internal successors, (216), 22 states have internal predecessors, (216), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) Word has length 138 [2024-11-20 18:47:33,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:47:33,914 INFO L225 Difference]: With dead ends: 1173 [2024-11-20 18:47:33,914 INFO L226 Difference]: Without dead ends: 1172 [2024-11-20 18:47:33,917 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 320 GetRequests, 289 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 280 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=397, Invalid=659, Unknown=0, NotChecked=0, Total=1056 [2024-11-20 18:47:33,917 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 432 mSDsluCounter, 679 mSDsCounter, 0 mSdLazyCounter, 738 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 436 SdHoareTripleChecker+Valid, 771 SdHoareTripleChecker+Invalid, 801 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 738 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-20 18:47:33,917 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [436 Valid, 771 Invalid, 801 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 738 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-20 18:47:33,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1172 states. [2024-11-20 18:47:34,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1172 to 1031. [2024-11-20 18:47:34,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1031 states, 903 states have (on average 1.2225913621262459) internal successors, (1104), 913 states have internal predecessors, (1104), 103 states have call successors, (103), 14 states have call predecessors, (103), 14 states have return successors, (103), 103 states have call predecessors, (103), 103 states have call successors, (103) [2024-11-20 18:47:34,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1031 states to 1031 states and 1310 transitions. [2024-11-20 18:47:34,036 INFO L78 Accepts]: Start accepts. Automaton has 1031 states and 1310 transitions. Word has length 138 [2024-11-20 18:47:34,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:47:34,036 INFO L471 AbstractCegarLoop]: Abstraction has 1031 states and 1310 transitions. [2024-11-20 18:47:34,037 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 10.285714285714286) internal successors, (216), 22 states have internal predecessors, (216), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2024-11-20 18:47:34,037 INFO L276 IsEmpty]: Start isEmpty. Operand 1031 states and 1310 transitions. [2024-11-20 18:47:34,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-20 18:47:34,037 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:47:34,038 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2024-11-20 18:47:34,046 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2024-11-20 18:47:34,238 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:47:34,238 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-20 18:47:34,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:47:34,239 INFO L85 PathProgramCache]: Analyzing trace with hash -859782128, now seen corresponding path program 1 times [2024-11-20 18:47:34,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:47:34,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702949371] [2024-11-20 18:47:34,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:47:34,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:47:34,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:47:34,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [116744010] [2024-11-20 18:47:34,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:47:34,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:47:34,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:47:34,268 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:47:34,273 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-20 18:47:34,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:47:34,337 INFO L255 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-20 18:47:34,340 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:47:35,526 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-20 18:47:35,526 INFO L311 TraceCheckSpWp]: Computing backward predicates...