./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound1.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 92e6df76ce1206795a3a206ec7de3a20b30db31ab661efba7e1901708b9ce34a --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 17:19:52,524 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 17:19:52,595 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-12 17:19:52,599 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 17:19:52,599 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 17:19:52,626 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 17:19:52,627 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 17:19:52,627 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 17:19:52,628 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 17:19:52,628 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 17:19:52,629 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 17:19:52,629 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 17:19:52,630 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 17:19:52,630 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 17:19:52,631 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 17:19:52,631 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 17:19:52,631 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 17:19:52,632 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 17:19:52,632 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 17:19:52,632 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 17:19:52,633 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 17:19:52,633 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 17:19:52,633 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 17:19:52,634 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 17:19:52,634 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 17:19:52,634 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-12 17:19:52,635 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 17:19:52,635 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 17:19:52,635 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 17:19:52,635 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 17:19:52,636 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 17:19:52,636 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 17:19:52,636 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 17:19:52,637 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 17:19:52,637 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 17:19:52,637 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 17:19:52,638 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 17:19:52,638 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 17:19:52,638 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 17:19:52,638 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 17:19:52,639 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 17:19:52,639 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 17:19:52,639 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 17:19:52,640 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 17:19:52,640 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 92e6df76ce1206795a3a206ec7de3a20b30db31ab661efba7e1901708b9ce34a [2024-11-12 17:19:52,901 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 17:19:52,928 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 17:19:52,932 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 17:19:52,933 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 17:19:52,934 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 17:19:52,935 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound1.c [2024-11-12 17:19:54,359 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 17:19:54,556 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 17:19:54,558 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound1.c [2024-11-12 17:19:54,570 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a29167a5/e5c04c9c63924266895b786fa5936ccf/FLAGcd78a57ed [2024-11-12 17:19:54,588 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a29167a5/e5c04c9c63924266895b786fa5936ccf [2024-11-12 17:19:54,592 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 17:19:54,593 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 17:19:54,596 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 17:19:54,597 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 17:19:54,602 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 17:19:54,602 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 05:19:54" (1/1) ... [2024-11-12 17:19:54,603 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46ad94fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:19:54, skipping insertion in model container [2024-11-12 17:19:54,603 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 05:19:54" (1/1) ... [2024-11-12 17:19:54,626 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 17:19:54,846 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 17:19:54,859 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 17:19:54,889 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 17:19:54,910 INFO L204 MainTranslator]: Completed translation [2024-11-12 17:19:54,911 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:19:54 WrapperNode [2024-11-12 17:19:54,911 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 17:19:54,912 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 17:19:54,912 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 17:19:54,912 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 17:19:54,919 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:19:54" (1/1) ... [2024-11-12 17:19:54,925 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:19:54" (1/1) ... [2024-11-12 17:19:54,956 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 155 [2024-11-12 17:19:54,957 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 17:19:54,957 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 17:19:54,958 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 17:19:54,958 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 17:19:54,968 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:19:54" (1/1) ... [2024-11-12 17:19:54,969 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:19:54" (1/1) ... [2024-11-12 17:19:54,971 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:19:54" (1/1) ... [2024-11-12 17:19:54,993 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]. [2024-11-12 17:19:54,995 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:19:54" (1/1) ... [2024-11-12 17:19:54,995 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:19:54" (1/1) ... [2024-11-12 17:19:55,001 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:19:54" (1/1) ... [2024-11-12 17:19:55,005 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:19:54" (1/1) ... [2024-11-12 17:19:55,006 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:19:54" (1/1) ... [2024-11-12 17:19:55,007 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:19:54" (1/1) ... [2024-11-12 17:19:55,009 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 17:19:55,010 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 17:19:55,010 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 17:19:55,010 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 17:19:55,011 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:19:54" (1/1) ... [2024-11-12 17:19:55,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 17:19:55,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:19:55,052 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) [2024-11-12 17:19:55,054 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 [2024-11-12 17:19:55,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 17:19:55,099 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 17:19:55,099 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 17:19:55,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 17:19:55,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 17:19:55,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 17:19:55,100 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-12 17:19:55,100 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-12 17:19:55,162 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 17:19:55,165 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 17:19:55,696 INFO L? ?]: Removed 131 outVars from TransFormulas that were not future-live. [2024-11-12 17:19:55,696 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 17:19:55,723 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 17:19:55,723 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-12 17:19:55,724 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 05:19:55 BoogieIcfgContainer [2024-11-12 17:19:55,724 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 17:19:55,739 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 17:19:55,739 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 17:19:55,743 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 17:19:55,744 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 05:19:54" (1/3) ... [2024-11-12 17:19:55,745 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46bdb3cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 05:19:55, skipping insertion in model container [2024-11-12 17:19:55,745 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:19:54" (2/3) ... [2024-11-12 17:19:55,746 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46bdb3cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 05:19:55, skipping insertion in model container [2024-11-12 17:19:55,746 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 05:19:55" (3/3) ... [2024-11-12 17:19:55,747 INFO L112 eAbstractionObserver]: Analyzing ICFG fermat1-ll_valuebound1.c [2024-11-12 17:19:55,767 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 17:19:55,767 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 92 error locations. [2024-11-12 17:19:55,840 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 17:19:55,849 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;@46ebc40a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 17:19:55,850 INFO L334 AbstractCegarLoop]: Starting to check reachability of 92 error locations. [2024-11-12 17:19:55,856 INFO L276 IsEmpty]: Start isEmpty. Operand has 215 states, 112 states have (on average 1.9196428571428572) internal successors, (215), 204 states have internal predecessors, (215), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-12 17:19:55,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-12 17:19:55,863 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:19:55,864 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:19:55,865 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] === [2024-11-12 17:19:55,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:19:55,873 INFO L85 PathProgramCache]: Analyzing trace with hash -1439424693, now seen corresponding path program 1 times [2024-11-12 17:19:55,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:19:55,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143076928] [2024-11-12 17:19:55,883 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:19:55,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:19:55,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:19:56,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:19:56,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:19:56,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-12 17:19:56,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:19:56,028 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:19:56,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:19:56,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143076928] [2024-11-12 17:19:56,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [143076928] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:19:56,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:19:56,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 17:19:56,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126195329] [2024-11-12 17:19:56,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:19:56,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 17:19:56,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:19:56,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 17:19:56,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 17:19:56,059 INFO L87 Difference]: Start difference. First operand has 215 states, 112 states have (on average 1.9196428571428572) internal successors, (215), 204 states have internal predecessors, (215), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-12 17:19:56,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:19:56,098 INFO L93 Difference]: Finished difference Result 416 states and 465 transitions. [2024-11-12 17:19:56,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 17:19:56,101 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 14 [2024-11-12 17:19:56,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:19:56,108 INFO L225 Difference]: With dead ends: 416 [2024-11-12 17:19:56,108 INFO L226 Difference]: Without dead ends: 198 [2024-11-12 17:19:56,113 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 17:19:56,117 INFO L435 NwaCegarLoop]: 212 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, 212 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 [2024-11-12 17:19:56,118 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 212 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 17:19:56,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2024-11-12 17:19:56,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 198. [2024-11-12 17:19:56,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 107 states have (on average 1.7850467289719627) internal successors, (191), 188 states have internal predecessors, (191), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-12 17:19:56,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 205 transitions. [2024-11-12 17:19:56,169 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 205 transitions. Word has length 14 [2024-11-12 17:19:56,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:19:56,170 INFO L471 AbstractCegarLoop]: Abstraction has 198 states and 205 transitions. [2024-11-12 17:19:56,170 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-12 17:19:56,170 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 205 transitions. [2024-11-12 17:19:56,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-12 17:19:56,171 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:19:56,171 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:19:56,172 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 17:19:56,172 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] === [2024-11-12 17:19:56,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:19:56,173 INFO L85 PathProgramCache]: Analyzing trace with hash -1832392121, now seen corresponding path program 1 times [2024-11-12 17:19:56,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:19:56,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767848176] [2024-11-12 17:19:56,173 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:19:56,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:19:56,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:19:56,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:19:56,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:19:56,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-12 17:19:56,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:19:56,288 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:19:56,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:19:56,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767848176] [2024-11-12 17:19:56,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767848176] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:19:56,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:19:56,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 17:19:56,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148065471] [2024-11-12 17:19:56,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:19:56,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 17:19:56,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:19:56,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 17:19:56,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 17:19:56,294 INFO L87 Difference]: Start difference. First operand 198 states and 205 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-12 17:19:56,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:19:56,351 INFO L93 Difference]: Finished difference Result 198 states and 205 transitions. [2024-11-12 17:19:56,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 17:19:56,352 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 14 [2024-11-12 17:19:56,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:19:56,353 INFO L225 Difference]: With dead ends: 198 [2024-11-12 17:19:56,354 INFO L226 Difference]: Without dead ends: 194 [2024-11-12 17:19:56,354 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 17:19:56,355 INFO L435 NwaCegarLoop]: 179 mSDtfsCounter, 13 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 353 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 17:19:56,356 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 353 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 17:19:56,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2024-11-12 17:19:56,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 194. [2024-11-12 17:19:56,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 107 states have (on average 1.7476635514018692) internal successors, (187), 184 states have internal predecessors, (187), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-12 17:19:56,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 201 transitions. [2024-11-12 17:19:56,377 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 201 transitions. Word has length 14 [2024-11-12 17:19:56,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:19:56,379 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 201 transitions. [2024-11-12 17:19:56,379 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-12 17:19:56,379 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 201 transitions. [2024-11-12 17:19:56,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-12 17:19:56,380 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:19:56,380 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:19:56,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 17:19:56,381 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] === [2024-11-12 17:19:56,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:19:56,381 INFO L85 PathProgramCache]: Analyzing trace with hash -969580864, now seen corresponding path program 1 times [2024-11-12 17:19:56,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:19:56,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622389388] [2024-11-12 17:19:56,382 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:19:56,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:19:56,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:19:56,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:19:56,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:19:56,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-12 17:19:56,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:19:56,473 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:19:56,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:19:56,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622389388] [2024-11-12 17:19:56,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1622389388] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:19:56,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:19:56,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 17:19:56,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432588260] [2024-11-12 17:19:56,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:19:56,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 17:19:56,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:19:56,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 17:19:56,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 17:19:56,481 INFO L87 Difference]: Start difference. First operand 194 states and 201 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-12 17:19:56,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:19:56,534 INFO L93 Difference]: Finished difference Result 194 states and 201 transitions. [2024-11-12 17:19:56,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 17:19:56,535 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 15 [2024-11-12 17:19:56,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:19:56,537 INFO L225 Difference]: With dead ends: 194 [2024-11-12 17:19:56,537 INFO L226 Difference]: Without dead ends: 190 [2024-11-12 17:19:56,537 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 17:19:56,539 INFO L435 NwaCegarLoop]: 179 mSDtfsCounter, 12 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 353 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 17:19:56,539 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 353 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 17:19:56,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2024-11-12 17:19:56,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 190. [2024-11-12 17:19:56,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 107 states have (on average 1.7102803738317758) internal successors, (183), 180 states have internal predecessors, (183), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-12 17:19:56,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 197 transitions. [2024-11-12 17:19:56,554 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 197 transitions. Word has length 15 [2024-11-12 17:19:56,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:19:56,555 INFO L471 AbstractCegarLoop]: Abstraction has 190 states and 197 transitions. [2024-11-12 17:19:56,555 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-12 17:19:56,555 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 197 transitions. [2024-11-12 17:19:56,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-12 17:19:56,556 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:19:56,556 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:19:56,556 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 17:19:56,556 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] === [2024-11-12 17:19:56,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:19:56,557 INFO L85 PathProgramCache]: Analyzing trace with hash -621065980, now seen corresponding path program 1 times [2024-11-12 17:19:56,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:19:56,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118101342] [2024-11-12 17:19:56,557 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:19:56,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:19:56,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:19:56,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [674660200] [2024-11-12 17:19:56,576 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:19:56,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:19:56,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:19:56,578 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) [2024-11-12 17:19:56,581 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-12 17:19:56,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:19:56,627 INFO L256 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-12 17:19:56,632 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:19:56,709 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-12 17:19:56,710 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:19:56,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:19:56,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118101342] [2024-11-12 17:19:56,711 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:19:56,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [674660200] [2024-11-12 17:19:56,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [674660200] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:19:56,712 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:19:56,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 17:19:56,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507729215] [2024-11-12 17:19:56,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:19:56,713 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 17:19:56,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:19:56,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 17:19:56,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 17:19:56,714 INFO L87 Difference]: Start difference. First operand 190 states and 197 transitions. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-12 17:19:56,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:19:56,808 INFO L93 Difference]: Finished difference Result 190 states and 197 transitions. [2024-11-12 17:19:56,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 17:19:56,809 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 19 [2024-11-12 17:19:56,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:19:56,810 INFO L225 Difference]: With dead ends: 190 [2024-11-12 17:19:56,810 INFO L226 Difference]: Without dead ends: 188 [2024-11-12 17:19:56,810 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 17:19:56,811 INFO L435 NwaCegarLoop]: 174 mSDtfsCounter, 8 mSDsluCounter, 509 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 683 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:19:56,812 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 683 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:19:56,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2024-11-12 17:19:56,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 188. [2024-11-12 17:19:56,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 107 states have (on average 1.691588785046729) internal successors, (181), 178 states have internal predecessors, (181), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-12 17:19:56,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 195 transitions. [2024-11-12 17:19:56,826 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 195 transitions. Word has length 19 [2024-11-12 17:19:56,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:19:56,827 INFO L471 AbstractCegarLoop]: Abstraction has 188 states and 195 transitions. [2024-11-12 17:19:56,827 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-12 17:19:56,827 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 195 transitions. [2024-11-12 17:19:56,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-12 17:19:56,828 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:19:56,828 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:19:56,846 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-12 17:19:57,032 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 [2024-11-12 17:19:57,033 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] === [2024-11-12 17:19:57,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:19:57,034 INFO L85 PathProgramCache]: Analyzing trace with hash 1742643569, now seen corresponding path program 1 times [2024-11-12 17:19:57,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:19:57,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332892601] [2024-11-12 17:19:57,035 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:19:57,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:19:57,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:19:57,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [843856822] [2024-11-12 17:19:57,067 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:19:57,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:19:57,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:19:57,070 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) [2024-11-12 17:19:57,071 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-12 17:19:57,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:19:57,111 INFO L256 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-12 17:19:57,113 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:19:57,238 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-12 17:19:57,238 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:19:57,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:19:57,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332892601] [2024-11-12 17:19:57,311 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:19:57,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [843856822] [2024-11-12 17:19:57,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [843856822] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:19:57,311 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:19:57,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-12 17:19:57,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873708317] [2024-11-12 17:19:57,311 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:19:57,311 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 17:19:57,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:19:57,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 17:19:57,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-12 17:19:57,312 INFO L87 Difference]: Start difference. First operand 188 states and 195 transitions. Second operand has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-12 17:19:57,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:19:57,426 INFO L93 Difference]: Finished difference Result 188 states and 195 transitions. [2024-11-12 17:19:57,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 17:19:57,428 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 36 [2024-11-12 17:19:57,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:19:57,429 INFO L225 Difference]: With dead ends: 188 [2024-11-12 17:19:57,429 INFO L226 Difference]: Without dead ends: 185 [2024-11-12 17:19:57,430 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-12 17:19:57,430 INFO L435 NwaCegarLoop]: 158 mSDtfsCounter, 144 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 476 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:19:57,431 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 476 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:19:57,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2024-11-12 17:19:57,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185. [2024-11-12 17:19:57,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 107 states have (on average 1.6635514018691588) internal successors, (178), 175 states have internal predecessors, (178), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-12 17:19:57,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 192 transitions. [2024-11-12 17:19:57,446 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 192 transitions. Word has length 36 [2024-11-12 17:19:57,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:19:57,447 INFO L471 AbstractCegarLoop]: Abstraction has 185 states and 192 transitions. [2024-11-12 17:19:57,447 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-12 17:19:57,447 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 192 transitions. [2024-11-12 17:19:57,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-12 17:19:57,450 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:19:57,451 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:19:57,467 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-12 17:19:57,651 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:19:57,652 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] === [2024-11-12 17:19:57,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:19:57,652 INFO L85 PathProgramCache]: Analyzing trace with hash -1812624144, now seen corresponding path program 1 times [2024-11-12 17:19:57,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:19:57,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836868697] [2024-11-12 17:19:57,653 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:19:57,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:19:57,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:19:57,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:19:57,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:19:57,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-12 17:19:57,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:19:57,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-12 17:19:57,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:19:57,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-12 17:19:57,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:19:57,905 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-12 17:19:57,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:19:57,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836868697] [2024-11-12 17:19:57,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836868697] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:19:57,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [545036316] [2024-11-12 17:19:57,906 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:19:57,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:19:57,906 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:19:57,908 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) [2024-11-12 17:19:57,909 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-12 17:19:57,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:19:57,952 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-12 17:19:57,954 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:19:58,062 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-12 17:19:58,063 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:19:58,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [545036316] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:19:58,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:19:58,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-12 17:19:58,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092460170] [2024-11-12 17:19:58,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:19:58,064 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 17:19:58,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:19:58,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 17:19:58,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-12 17:19:58,065 INFO L87 Difference]: Start difference. First operand 185 states and 192 transitions. Second operand has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-12 17:19:58,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:19:58,223 INFO L93 Difference]: Finished difference Result 185 states and 192 transitions. [2024-11-12 17:19:58,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 17:19:58,224 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 37 [2024-11-12 17:19:58,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:19:58,225 INFO L225 Difference]: With dead ends: 185 [2024-11-12 17:19:58,225 INFO L226 Difference]: Without dead ends: 184 [2024-11-12 17:19:58,226 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-12 17:19:58,226 INFO L435 NwaCegarLoop]: 158 mSDtfsCounter, 143 mSDsluCounter, 453 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 611 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:19:58,227 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 611 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:19:58,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2024-11-12 17:19:58,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 184. [2024-11-12 17:19:58,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 107 states have (on average 1.6542056074766356) internal successors, (177), 174 states have internal predecessors, (177), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-12 17:19:58,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 191 transitions. [2024-11-12 17:19:58,234 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 191 transitions. Word has length 37 [2024-11-12 17:19:58,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:19:58,234 INFO L471 AbstractCegarLoop]: Abstraction has 184 states and 191 transitions. [2024-11-12 17:19:58,234 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-12 17:19:58,234 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 191 transitions. [2024-11-12 17:19:58,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-12 17:19:58,235 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:19:58,235 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:19:58,252 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-12 17:19:58,439 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:19:58,440 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] === [2024-11-12 17:19:58,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:19:58,440 INFO L85 PathProgramCache]: Analyzing trace with hash 1824922162, now seen corresponding path program 1 times [2024-11-12 17:19:58,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:19:58,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394526787] [2024-11-12 17:19:58,441 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:19:58,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:19:58,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:19:58,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:19:58,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:19:58,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-12 17:19:58,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:19:58,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-12 17:19:58,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:19:58,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-12 17:19:58,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:19:58,511 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-12 17:19:58,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:19:58,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394526787] [2024-11-12 17:19:58,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394526787] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:19:58,512 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:19:58,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 17:19:58,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917265948] [2024-11-12 17:19:58,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:19:58,513 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 17:19:58,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:19:58,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 17:19:58,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 17:19:58,514 INFO L87 Difference]: Start difference. First operand 184 states and 191 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-12 17:19:58,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:19:58,585 INFO L93 Difference]: Finished difference Result 190 states and 197 transitions. [2024-11-12 17:19:58,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 17:19:58,585 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 39 [2024-11-12 17:19:58,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:19:58,586 INFO L225 Difference]: With dead ends: 190 [2024-11-12 17:19:58,586 INFO L226 Difference]: Without dead ends: 187 [2024-11-12 17:19:58,586 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 17:19:58,587 INFO L435 NwaCegarLoop]: 155 mSDtfsCounter, 99 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:19:58,587 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 221 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:19:58,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2024-11-12 17:19:58,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 187. [2024-11-12 17:19:58,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 111 states have (on average 1.6216216216216217) internal successors, (180), 177 states have internal predecessors, (180), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-12 17:19:58,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 194 transitions. [2024-11-12 17:19:58,598 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 194 transitions. Word has length 39 [2024-11-12 17:19:58,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:19:58,600 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 194 transitions. [2024-11-12 17:19:58,600 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-12 17:19:58,600 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 194 transitions. [2024-11-12 17:19:58,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-12 17:19:58,601 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:19:58,601 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:19:58,601 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-12 17:19:58,601 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] === [2024-11-12 17:19:58,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:19:58,602 INFO L85 PathProgramCache]: Analyzing trace with hash 738012252, now seen corresponding path program 1 times [2024-11-12 17:19:58,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:19:58,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838039317] [2024-11-12 17:19:58,602 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:19:58,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:19:58,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:19:58,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:19:58,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:19:58,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-12 17:19:58,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:19:58,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-12 17:19:58,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:19:58,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-12 17:19:58,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:19:58,682 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-12 17:19:58,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:19:58,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838039317] [2024-11-12 17:19:58,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [838039317] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:19:58,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:19:58,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 17:19:58,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784778117] [2024-11-12 17:19:58,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:19:58,684 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:19:58,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:19:58,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:19:58,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:19:58,685 INFO L87 Difference]: Start difference. First operand 187 states and 194 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-12 17:19:58,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:19:58,823 INFO L93 Difference]: Finished difference Result 191 states and 198 transitions. [2024-11-12 17:19:58,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:19:58,824 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), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 40 [2024-11-12 17:19:58,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:19:58,825 INFO L225 Difference]: With dead ends: 191 [2024-11-12 17:19:58,825 INFO L226 Difference]: Without dead ends: 188 [2024-11-12 17:19:58,826 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:19:58,826 INFO L435 NwaCegarLoop]: 143 mSDtfsCounter, 109 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:19:58,827 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 335 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:19:58,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2024-11-12 17:19:58,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 188. [2024-11-12 17:19:58,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 113 states have (on average 1.6017699115044248) internal successors, (181), 178 states have internal predecessors, (181), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-12 17:19:58,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 195 transitions. [2024-11-12 17:19:58,834 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 195 transitions. Word has length 40 [2024-11-12 17:19:58,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:19:58,835 INFO L471 AbstractCegarLoop]: Abstraction has 188 states and 195 transitions. [2024-11-12 17:19:58,835 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), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-12 17:19:58,835 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 195 transitions. [2024-11-12 17:19:58,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-12 17:19:58,836 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:19:58,836 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:19:58,836 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-12 17:19:58,837 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] === [2024-11-12 17:19:58,837 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:19:58,837 INFO L85 PathProgramCache]: Analyzing trace with hash 1403543412, now seen corresponding path program 1 times [2024-11-12 17:19:58,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:19:58,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103786065] [2024-11-12 17:19:58,837 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:19:58,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:19:58,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:19:58,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [112517475] [2024-11-12 17:19:58,851 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:19:58,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:19:58,851 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:19:58,853 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) [2024-11-12 17:19:58,854 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-12 17:19:58,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:19:58,892 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-12 17:19:58,893 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:19:58,914 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-12 17:19:58,915 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:19:58,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:19:58,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103786065] [2024-11-12 17:19:58,915 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:19:58,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [112517475] [2024-11-12 17:19:58,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [112517475] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:19:58,915 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:19:58,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 17:19:58,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887880870] [2024-11-12 17:19:58,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:19:58,916 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 17:19:58,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:19:58,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 17:19:58,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 17:19:58,917 INFO L87 Difference]: Start difference. First operand 188 states and 195 transitions. Second operand has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-12 17:19:59,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:19:59,023 INFO L93 Difference]: Finished difference Result 294 states and 314 transitions. [2024-11-12 17:19:59,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 17:19:59,023 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 41 [2024-11-12 17:19:59,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:19:59,025 INFO L225 Difference]: With dead ends: 294 [2024-11-12 17:19:59,025 INFO L226 Difference]: Without dead ends: 291 [2024-11-12 17:19:59,025 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 17:19:59,026 INFO L435 NwaCegarLoop]: 160 mSDtfsCounter, 97 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:19:59,026 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 308 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:19:59,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2024-11-12 17:19:59,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 251. [2024-11-12 17:19:59,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 173 states have (on average 1.6358381502890174) internal successors, (283), 238 states have internal predecessors, (283), 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) [2024-11-12 17:19:59,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 303 transitions. [2024-11-12 17:19:59,036 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 303 transitions. Word has length 41 [2024-11-12 17:19:59,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:19:59,036 INFO L471 AbstractCegarLoop]: Abstraction has 251 states and 303 transitions. [2024-11-12 17:19:59,036 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-12 17:19:59,036 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 303 transitions. [2024-11-12 17:19:59,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-12 17:19:59,037 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:19:59,037 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:19:59,054 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-12 17:19:59,241 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:19:59,242 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] === [2024-11-12 17:19:59,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:19:59,242 INFO L85 PathProgramCache]: Analyzing trace with hash 560172894, now seen corresponding path program 1 times [2024-11-12 17:19:59,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:19:59,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701717800] [2024-11-12 17:19:59,242 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:19:59,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:19:59,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:19:59,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:19:59,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:19:59,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-12 17:19:59,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:19:59,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-12 17:19:59,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:19:59,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-12 17:19:59,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:19:59,479 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-12 17:19:59,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:19:59,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701717800] [2024-11-12 17:19:59,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1701717800] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:19:59,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [285300489] [2024-11-12 17:19:59,480 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:19:59,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:19:59,480 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:19:59,482 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) [2024-11-12 17:19:59,491 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-12 17:19:59,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:19:59,534 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-12 17:19:59,535 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:19:59,743 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-12 17:19:59,744 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:19:59,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [285300489] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:19:59,979 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-12 17:19:59,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2024-11-12 17:19:59,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909514433] [2024-11-12 17:19:59,980 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-12 17:19:59,980 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-12 17:19:59,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:19:59,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-12 17:19:59,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=216, Unknown=0, NotChecked=0, Total=272 [2024-11-12 17:19:59,982 INFO L87 Difference]: Start difference. First operand 251 states and 303 transitions. Second operand has 12 states, 11 states have (on average 4.454545454545454) internal successors, (49), 12 states have internal predecessors, (49), 7 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-12 17:20:00,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:20:00,580 INFO L93 Difference]: Finished difference Result 552 states and 588 transitions. [2024-11-12 17:20:00,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-12 17:20:00,581 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.454545454545454) internal successors, (49), 12 states have internal predecessors, (49), 7 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 7 states have call successors, (8) Word has length 42 [2024-11-12 17:20:00,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:20:00,583 INFO L225 Difference]: With dead ends: 552 [2024-11-12 17:20:00,584 INFO L226 Difference]: Without dead ends: 389 [2024-11-12 17:20:00,586 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=110, Invalid=396, Unknown=0, NotChecked=0, Total=506 [2024-11-12 17:20:00,587 INFO L435 NwaCegarLoop]: 137 mSDtfsCounter, 554 mSDsluCounter, 1157 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 557 SdHoareTripleChecker+Valid, 1294 SdHoareTripleChecker+Invalid, 610 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-12 17:20:00,587 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [557 Valid, 1294 Invalid, 610 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-12 17:20:00,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2024-11-12 17:20:00,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 295. [2024-11-12 17:20:00,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 215 states have (on average 1.627906976744186) internal successors, (350), 280 states have internal predecessors, (350), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-12 17:20:00,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 374 transitions. [2024-11-12 17:20:00,607 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 374 transitions. Word has length 42 [2024-11-12 17:20:00,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:20:00,607 INFO L471 AbstractCegarLoop]: Abstraction has 295 states and 374 transitions. [2024-11-12 17:20:00,607 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.454545454545454) internal successors, (49), 12 states have internal predecessors, (49), 7 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-12 17:20:00,608 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 374 transitions. [2024-11-12 17:20:00,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-12 17:20:00,608 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:20:00,608 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:20:00,625 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-12 17:20:00,812 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-12 17:20:00,813 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] === [2024-11-12 17:20:00,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:20:00,813 INFO L85 PathProgramCache]: Analyzing trace with hash 1455241824, now seen corresponding path program 1 times [2024-11-12 17:20:00,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:20:00,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428234633] [2024-11-12 17:20:00,814 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:20:00,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:20:00,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:20:00,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1242684067] [2024-11-12 17:20:00,825 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:20:00,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:20:00,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:20:00,827 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) [2024-11-12 17:20:00,829 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-12 17:20:00,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:00,874 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-12 17:20:00,876 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:20:01,113 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-12 17:20:01,113 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:20:01,359 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-12 17:20:01,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:20:01,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428234633] [2024-11-12 17:20:01,360 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:20:01,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1242684067] [2024-11-12 17:20:01,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1242684067] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:20:01,360 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-12 17:20:01,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 11 [2024-11-12 17:20:01,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152589901] [2024-11-12 17:20:01,360 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-12 17:20:01,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-12 17:20:01,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:20:01,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-12 17:20:01,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-11-12 17:20:01,362 INFO L87 Difference]: Start difference. First operand 295 states and 374 transitions. Second operand has 12 states, 11 states have (on average 4.909090909090909) internal successors, (54), 12 states have internal predecessors, (54), 6 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2024-11-12 17:20:02,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:20:02,258 INFO L93 Difference]: Finished difference Result 347 states and 421 transitions. [2024-11-12 17:20:02,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-12 17:20:02,259 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.909090909090909) internal successors, (54), 12 states have internal predecessors, (54), 6 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) Word has length 44 [2024-11-12 17:20:02,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:20:02,260 INFO L225 Difference]: With dead ends: 347 [2024-11-12 17:20:02,261 INFO L226 Difference]: Without dead ends: 320 [2024-11-12 17:20:02,261 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2024-11-12 17:20:02,261 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 771 mSDsluCounter, 334 mSDsCounter, 0 mSdLazyCounter, 721 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 772 SdHoareTripleChecker+Valid, 398 SdHoareTripleChecker+Invalid, 789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 721 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-12 17:20:02,262 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [772 Valid, 398 Invalid, 789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 721 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-12 17:20:02,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2024-11-12 17:20:02,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 304. [2024-11-12 17:20:02,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 241 states have (on average 1.4273858921161826) internal successors, (344), 289 states have internal predecessors, (344), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-12 17:20:02,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 368 transitions. [2024-11-12 17:20:02,276 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 368 transitions. Word has length 44 [2024-11-12 17:20:02,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:20:02,276 INFO L471 AbstractCegarLoop]: Abstraction has 304 states and 368 transitions. [2024-11-12 17:20:02,276 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.909090909090909) internal successors, (54), 12 states have internal predecessors, (54), 6 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2024-11-12 17:20:02,277 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 368 transitions. [2024-11-12 17:20:02,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-12 17:20:02,277 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:20:02,277 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:20:02,294 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-12 17:20:02,481 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:20:02,482 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] === [2024-11-12 17:20:02,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:20:02,482 INFO L85 PathProgramCache]: Analyzing trace with hash -1671942814, now seen corresponding path program 1 times [2024-11-12 17:20:02,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:20:02,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123260756] [2024-11-12 17:20:02,483 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:20:02,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:20:02,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:20:02,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [934528353] [2024-11-12 17:20:02,493 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:20:02,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:20:02,494 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:20:02,495 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) [2024-11-12 17:20:02,497 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-12 17:20:02,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:02,539 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-12 17:20:02,540 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:20:02,567 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-12 17:20:02,567 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:20:02,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:20:02,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123260756] [2024-11-12 17:20:02,568 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:20:02,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [934528353] [2024-11-12 17:20:02,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [934528353] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:20:02,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:20:02,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 17:20:02,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213603365] [2024-11-12 17:20:02,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:20:02,569 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 17:20:02,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:20:02,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 17:20:02,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 17:20:02,570 INFO L87 Difference]: Start difference. First operand 304 states and 368 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-12 17:20:02,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:20:02,768 INFO L93 Difference]: Finished difference Result 475 states and 577 transitions. [2024-11-12 17:20:02,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 17:20:02,769 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 46 [2024-11-12 17:20:02,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:20:02,772 INFO L225 Difference]: With dead ends: 475 [2024-11-12 17:20:02,772 INFO L226 Difference]: Without dead ends: 434 [2024-11-12 17:20:02,773 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 17:20:02,775 INFO L435 NwaCegarLoop]: 119 mSDtfsCounter, 88 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 17:20:02,775 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 206 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 17:20:02,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2024-11-12 17:20:02,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 422. [2024-11-12 17:20:02,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 354 states have (on average 1.3135593220338984) internal successors, (465), 402 states have internal predecessors, (465), 17 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-12 17:20:02,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 499 transitions. [2024-11-12 17:20:02,805 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 499 transitions. Word has length 46 [2024-11-12 17:20:02,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:20:02,806 INFO L471 AbstractCegarLoop]: Abstraction has 422 states and 499 transitions. [2024-11-12 17:20:02,806 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-12 17:20:02,807 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 499 transitions. [2024-11-12 17:20:02,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-12 17:20:02,809 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:20:02,809 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:20:02,826 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-12 17:20:03,009 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:20:03,010 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr72ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] === [2024-11-12 17:20:03,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:20:03,011 INFO L85 PathProgramCache]: Analyzing trace with hash 1375310133, now seen corresponding path program 1 times [2024-11-12 17:20:03,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:20:03,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706680600] [2024-11-12 17:20:03,011 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:20:03,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:20:03,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:03,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:20:03,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:03,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-12 17:20:03,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:03,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-12 17:20:03,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:03,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-12 17:20:03,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:03,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-12 17:20:03,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:03,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 17:20:03,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:03,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-12 17:20:03,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:03,176 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-12 17:20:03,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:20:03,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706680600] [2024-11-12 17:20:03,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706680600] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:20:03,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:20:03,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 17:20:03,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300154784] [2024-11-12 17:20:03,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:20:03,178 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 17:20:03,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:20:03,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 17:20:03,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 17:20:03,179 INFO L87 Difference]: Start difference. First operand 422 states and 499 transitions. Second operand has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 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) [2024-11-12 17:20:03,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:20:03,409 INFO L93 Difference]: Finished difference Result 433 states and 512 transitions. [2024-11-12 17:20:03,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 17:20:03,410 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 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 113 [2024-11-12 17:20:03,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:20:03,411 INFO L225 Difference]: With dead ends: 433 [2024-11-12 17:20:03,412 INFO L226 Difference]: Without dead ends: 432 [2024-11-12 17:20:03,412 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-12 17:20:03,413 INFO L435 NwaCegarLoop]: 90 mSDtfsCounter, 245 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 17:20:03,413 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [245 Valid, 208 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 17:20:03,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2024-11-12 17:20:03,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 421. [2024-11-12 17:20:03,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 354 states have (on average 1.305084745762712) internal successors, (462), 401 states have internal predecessors, (462), 17 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-12 17:20:03,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 496 transitions. [2024-11-12 17:20:03,438 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 496 transitions. Word has length 113 [2024-11-12 17:20:03,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:20:03,439 INFO L471 AbstractCegarLoop]: Abstraction has 421 states and 496 transitions. [2024-11-12 17:20:03,439 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 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) [2024-11-12 17:20:03,439 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 496 transitions. [2024-11-12 17:20:03,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-12 17:20:03,440 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:20:03,440 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:20:03,440 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-12 17:20:03,441 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr73ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] === [2024-11-12 17:20:03,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:20:03,441 INFO L85 PathProgramCache]: Analyzing trace with hash -315058605, now seen corresponding path program 1 times [2024-11-12 17:20:03,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:20:03,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189065047] [2024-11-12 17:20:03,442 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:20:03,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:20:03,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:03,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:20:03,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:03,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-12 17:20:03,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:03,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-12 17:20:03,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:03,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-12 17:20:03,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:03,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-12 17:20:03,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:03,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 17:20:03,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:03,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-12 17:20:03,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:03,531 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-12 17:20:03,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:20:03,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189065047] [2024-11-12 17:20:03,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189065047] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:20:03,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:20:03,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 17:20:03,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460191975] [2024-11-12 17:20:03,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:20:03,533 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:20:03,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:20:03,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:20:03,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:20:03,534 INFO L87 Difference]: Start difference. First operand 421 states and 496 transitions. Second operand has 4 states, 3 states have (on average 28.333333333333332) internal successors, (85), 4 states have internal predecessors, (85), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-12 17:20:03,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:20:03,821 INFO L93 Difference]: Finished difference Result 509 states and 594 transitions. [2024-11-12 17:20:03,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:20:03,821 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 28.333333333333332) internal successors, (85), 4 states have internal predecessors, (85), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 114 [2024-11-12 17:20:03,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:20:03,824 INFO L225 Difference]: With dead ends: 509 [2024-11-12 17:20:03,824 INFO L226 Difference]: Without dead ends: 508 [2024-11-12 17:20:03,824 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 17:20:03,825 INFO L435 NwaCegarLoop]: 120 mSDtfsCounter, 157 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 271 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 17:20:03,825 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 239 Invalid, 277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 271 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 17:20:03,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 508 states. [2024-11-12 17:20:03,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 508 to 420. [2024-11-12 17:20:03,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 420 states, 354 states have (on average 1.2966101694915255) internal successors, (459), 400 states have internal predecessors, (459), 17 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-12 17:20:03,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 493 transitions. [2024-11-12 17:20:03,848 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 493 transitions. Word has length 114 [2024-11-12 17:20:03,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:20:03,849 INFO L471 AbstractCegarLoop]: Abstraction has 420 states and 493 transitions. [2024-11-12 17:20:03,849 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 28.333333333333332) internal successors, (85), 4 states have internal predecessors, (85), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-12 17:20:03,849 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 493 transitions. [2024-11-12 17:20:03,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-12 17:20:03,850 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:20:03,850 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:20:03,851 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-12 17:20:03,851 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] === [2024-11-12 17:20:03,851 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:20:03,851 INFO L85 PathProgramCache]: Analyzing trace with hash -671276841, now seen corresponding path program 1 times [2024-11-12 17:20:03,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:20:03,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306834039] [2024-11-12 17:20:03,852 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:20:03,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:20:03,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:03,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:20:03,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:03,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-12 17:20:03,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:03,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-12 17:20:03,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:03,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-12 17:20:03,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:03,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-12 17:20:03,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:03,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 17:20:03,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:03,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-12 17:20:03,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:03,972 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-12 17:20:03,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:20:03,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306834039] [2024-11-12 17:20:03,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306834039] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:20:03,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [34661671] [2024-11-12 17:20:03,973 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:20:03,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:20:03,973 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:20:03,974 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) [2024-11-12 17:20:03,976 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-12 17:20:04,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:04,032 INFO L256 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-12 17:20:04,034 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:20:04,306 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-12 17:20:04,306 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:20:04,490 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-12 17:20:04,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [34661671] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:20:04,490 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:20:04,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5, 5] total 12 [2024-11-12 17:20:04,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678958927] [2024-11-12 17:20:04,491 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:20:04,491 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-12 17:20:04,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:20:04,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-12 17:20:04,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2024-11-12 17:20:04,493 INFO L87 Difference]: Start difference. First operand 420 states and 493 transitions. Second operand has 13 states, 12 states have (on average 20.916666666666668) internal successors, (251), 13 states have internal predecessors, (251), 6 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 6 states have call predecessors, (19), 6 states have call successors, (19) [2024-11-12 17:20:04,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:20:04,895 INFO L93 Difference]: Finished difference Result 423 states and 495 transitions. [2024-11-12 17:20:04,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 17:20:04,896 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 20.916666666666668) internal successors, (251), 13 states have internal predecessors, (251), 6 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 6 states have call predecessors, (19), 6 states have call successors, (19) Word has length 118 [2024-11-12 17:20:04,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:20:04,897 INFO L225 Difference]: With dead ends: 423 [2024-11-12 17:20:04,897 INFO L226 Difference]: Without dead ends: 419 [2024-11-12 17:20:04,899 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 241 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=177, Unknown=0, NotChecked=0, Total=240 [2024-11-12 17:20:04,899 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 192 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 515 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 535 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 515 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 17:20:04,899 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 306 Invalid, 535 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 515 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 17:20:04,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2024-11-12 17:20:04,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 419. [2024-11-12 17:20:04,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 419 states, 355 states have (on average 1.2619718309859156) internal successors, (448), 399 states have internal predecessors, (448), 17 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-12 17:20:04,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 482 transitions. [2024-11-12 17:20:04,924 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 482 transitions. Word has length 118 [2024-11-12 17:20:04,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:20:04,924 INFO L471 AbstractCegarLoop]: Abstraction has 419 states and 482 transitions. [2024-11-12 17:20:04,925 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 20.916666666666668) internal successors, (251), 13 states have internal predecessors, (251), 6 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 6 states have call predecessors, (19), 6 states have call successors, (19) [2024-11-12 17:20:04,925 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 482 transitions. [2024-11-12 17:20:04,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-12 17:20:04,927 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:20:04,927 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:20:04,944 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-12 17:20:05,128 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,SelfDestructingSolverStorable14 [2024-11-12 17:20:05,128 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] === [2024-11-12 17:20:05,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:20:05,129 INFO L85 PathProgramCache]: Analyzing trace with hash 665254599, now seen corresponding path program 1 times [2024-11-12 17:20:05,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:20:05,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824397471] [2024-11-12 17:20:05,129 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:20:05,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:20:05,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:05,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:20:05,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:05,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-12 17:20:05,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:05,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-12 17:20:05,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:05,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-12 17:20:05,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:05,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-12 17:20:05,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:05,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 17:20:05,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:05,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-12 17:20:05,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:05,248 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-12 17:20:05,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:20:05,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824397471] [2024-11-12 17:20:05,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824397471] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:20:05,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [158688564] [2024-11-12 17:20:05,249 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:20:05,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:20:05,249 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:20:05,251 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) [2024-11-12 17:20:05,253 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-12 17:20:05,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:05,306 INFO L256 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-12 17:20:05,308 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:20:05,600 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-12 17:20:05,601 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:20:05,805 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-12 17:20:05,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [158688564] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:20:05,806 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:20:05,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 14 [2024-11-12 17:20:05,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640754257] [2024-11-12 17:20:05,806 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:20:05,807 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-12 17:20:05,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:20:05,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-12 17:20:05,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2024-11-12 17:20:05,808 INFO L87 Difference]: Start difference. First operand 419 states and 482 transitions. Second operand has 15 states, 14 states have (on average 18.214285714285715) internal successors, (255), 15 states have internal predecessors, (255), 8 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 8 states have call predecessors, (20), 8 states have call successors, (20) [2024-11-12 17:20:06,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:20:06,418 INFO L93 Difference]: Finished difference Result 489 states and 558 transitions. [2024-11-12 17:20:06,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-12 17:20:06,419 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 18.214285714285715) internal successors, (255), 15 states have internal predecessors, (255), 8 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 8 states have call predecessors, (20), 8 states have call successors, (20) Word has length 119 [2024-11-12 17:20:06,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:20:06,422 INFO L225 Difference]: With dead ends: 489 [2024-11-12 17:20:06,423 INFO L226 Difference]: Without dead ends: 485 [2024-11-12 17:20:06,424 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=122, Invalid=298, Unknown=0, NotChecked=0, Total=420 [2024-11-12 17:20:06,424 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 310 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 736 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 310 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 763 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 736 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-12 17:20:06,424 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [310 Valid, 378 Invalid, 763 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 736 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-12 17:20:06,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2024-11-12 17:20:06,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 334. [2024-11-12 17:20:06,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 334 states, 277 states have (on average 1.2166064981949458) internal successors, (337), 318 states have internal predecessors, (337), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-12 17:20:06,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 363 transitions. [2024-11-12 17:20:06,444 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 363 transitions. Word has length 119 [2024-11-12 17:20:06,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:20:06,445 INFO L471 AbstractCegarLoop]: Abstraction has 334 states and 363 transitions. [2024-11-12 17:20:06,445 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 18.214285714285715) internal successors, (255), 15 states have internal predecessors, (255), 8 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 8 states have call predecessors, (20), 8 states have call successors, (20) [2024-11-12 17:20:06,445 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 363 transitions. [2024-11-12 17:20:06,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-12 17:20:06,446 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:20:06,447 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:20:06,463 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-12 17:20:06,647 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,SelfDestructingSolverStorable15 [2024-11-12 17:20:06,647 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] === [2024-11-12 17:20:06,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:20:06,648 INFO L85 PathProgramCache]: Analyzing trace with hash -851943719, now seen corresponding path program 1 times [2024-11-12 17:20:06,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:20:06,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937477150] [2024-11-12 17:20:06,648 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:20:06,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:20:06,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:06,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:20:06,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:06,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-12 17:20:06,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:06,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-12 17:20:06,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:06,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-12 17:20:06,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:06,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-12 17:20:06,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:06,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 17:20:06,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:06,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-12 17:20:06,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:06,868 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-12 17:20:06,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:20:06,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937477150] [2024-11-12 17:20:06,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937477150] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:20:06,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [402041567] [2024-11-12 17:20:06,868 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:20:06,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:20:06,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:20:06,870 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) [2024-11-12 17:20:06,871 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-12 17:20:06,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:06,926 INFO L256 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-12 17:20:06,941 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:20:07,219 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-12 17:20:07,219 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:20:07,432 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-12 17:20:07,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [402041567] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:20:07,432 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:20:07,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 14 [2024-11-12 17:20:07,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804151468] [2024-11-12 17:20:07,432 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:20:07,433 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-12 17:20:07,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:20:07,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-12 17:20:07,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2024-11-12 17:20:07,434 INFO L87 Difference]: Start difference. First operand 334 states and 363 transitions. Second operand has 15 states, 14 states have (on average 17.285714285714285) internal successors, (242), 15 states have internal predecessors, (242), 6 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2024-11-12 17:20:07,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:20:07,918 INFO L93 Difference]: Finished difference Result 425 states and 462 transitions. [2024-11-12 17:20:07,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-12 17:20:07,918 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 17.285714285714285) internal successors, (242), 15 states have internal predecessors, (242), 6 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) Word has length 120 [2024-11-12 17:20:07,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:20:07,921 INFO L225 Difference]: With dead ends: 425 [2024-11-12 17:20:07,921 INFO L226 Difference]: Without dead ends: 424 [2024-11-12 17:20:07,921 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 246 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2024-11-12 17:20:07,922 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 207 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 679 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 691 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 679 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 17:20:07,922 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 324 Invalid, 691 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 679 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 17:20:07,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2024-11-12 17:20:07,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 329. [2024-11-12 17:20:07,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 273 states have (on average 1.2087912087912087) internal successors, (330), 313 states have internal predecessors, (330), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-12 17:20:07,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 356 transitions. [2024-11-12 17:20:07,940 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 356 transitions. Word has length 120 [2024-11-12 17:20:07,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:20:07,941 INFO L471 AbstractCegarLoop]: Abstraction has 329 states and 356 transitions. [2024-11-12 17:20:07,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 17.285714285714285) internal successors, (242), 15 states have internal predecessors, (242), 6 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2024-11-12 17:20:07,941 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 356 transitions. [2024-11-12 17:20:07,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-12 17:20:07,942 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:20:07,942 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:20:07,960 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-12 17:20:08,143 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-12 17:20:08,143 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr67ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] === [2024-11-12 17:20:08,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:20:08,144 INFO L85 PathProgramCache]: Analyzing trace with hash -671543213, now seen corresponding path program 1 times [2024-11-12 17:20:08,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:20:08,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305689263] [2024-11-12 17:20:08,144 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:20:08,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:20:08,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:08,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:20:08,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:08,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-12 17:20:08,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:08,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-12 17:20:08,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:08,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-12 17:20:08,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:08,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-12 17:20:08,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:08,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 17:20:08,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:08,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-12 17:20:08,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:08,348 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 14 proven. 10 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-12 17:20:08,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:20:08,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305689263] [2024-11-12 17:20:08,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305689263] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:20:08,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1695342882] [2024-11-12 17:20:08,348 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:20:08,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:20:08,349 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:20:08,350 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) [2024-11-12 17:20:08,351 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-12 17:20:08,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:08,408 INFO L256 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-12 17:20:08,410 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:20:08,561 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-12 17:20:08,562 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:20:18,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1695342882] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:20:18,519 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-12 17:20:18,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 9 [2024-11-12 17:20:18,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540836205] [2024-11-12 17:20:18,519 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-12 17:20:18,519 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-12 17:20:18,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:20:18,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-12 17:20:18,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=115, Unknown=2, NotChecked=0, Total=156 [2024-11-12 17:20:18,520 INFO L87 Difference]: Start difference. First operand 329 states and 356 transitions. Second operand has 10 states, 9 states have (on average 12.777777777777779) internal successors, (115), 10 states have internal predecessors, (115), 3 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-12 17:20:19,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:20:19,349 INFO L93 Difference]: Finished difference Result 338 states and 365 transitions. [2024-11-12 17:20:19,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 17:20:19,350 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 12.777777777777779) internal successors, (115), 10 states have internal predecessors, (115), 3 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 131 [2024-11-12 17:20:19,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:20:19,351 INFO L225 Difference]: With dead ends: 338 [2024-11-12 17:20:19,351 INFO L226 Difference]: Without dead ends: 314 [2024-11-12 17:20:19,352 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 9.8s TimeCoverageRelationStatistics Valid=57, Invalid=151, Unknown=2, NotChecked=0, Total=210 [2024-11-12 17:20:19,352 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 304 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 760 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 307 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 778 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 760 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-12 17:20:19,352 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [307 Valid, 354 Invalid, 778 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 760 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-12 17:20:19,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2024-11-12 17:20:19,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 305. [2024-11-12 17:20:19,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 257 states have (on average 1.1595330739299612) internal successors, (298), 289 states have internal predecessors, (298), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-12 17:20:19,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 324 transitions. [2024-11-12 17:20:19,372 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 324 transitions. Word has length 131 [2024-11-12 17:20:19,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:20:19,372 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 324 transitions. [2024-11-12 17:20:19,372 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 12.777777777777779) internal successors, (115), 10 states have internal predecessors, (115), 3 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-12 17:20:19,373 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 324 transitions. [2024-11-12 17:20:19,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-12 17:20:19,374 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:20:19,374 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:20:19,392 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-12 17:20:19,574 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-12 17:20:19,575 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] === [2024-11-12 17:20:19,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:20:19,576 INFO L85 PathProgramCache]: Analyzing trace with hash -491969456, now seen corresponding path program 1 times [2024-11-12 17:20:19,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:20:19,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845795951] [2024-11-12 17:20:19,576 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:20:19,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:20:19,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:20:19,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [209231109] [2024-11-12 17:20:19,607 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:20:19,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:20:19,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:20:19,609 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) [2024-11-12 17:20:19,610 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-12 17:20:19,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:19,674 INFO L256 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-12 17:20:19,677 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:20:20,735 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 18 proven. 33 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-12 17:20:20,735 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:20:20,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:20:20,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845795951] [2024-11-12 17:20:20,991 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:20:20,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [209231109] [2024-11-12 17:20:20,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [209231109] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:20:20,991 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:20:20,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-12 17:20:20,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530032435] [2024-11-12 17:20:20,991 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:20:20,992 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-12 17:20:20,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:20:20,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 17:20:20,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-11-12 17:20:20,992 INFO L87 Difference]: Start difference. First operand 305 states and 324 transitions. Second operand has 9 states, 9 states have (on average 13.444444444444445) internal successors, (121), 9 states have internal predecessors, (121), 5 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 5 states have call successors, (8) [2024-11-12 17:20:21,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:20:21,872 INFO L93 Difference]: Finished difference Result 623 states and 661 transitions. [2024-11-12 17:20:21,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-12 17:20:21,872 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.444444444444445) internal successors, (121), 9 states have internal predecessors, (121), 5 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 5 states have call successors, (8) Word has length 152 [2024-11-12 17:20:21,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:20:21,874 INFO L225 Difference]: With dead ends: 623 [2024-11-12 17:20:21,874 INFO L226 Difference]: Without dead ends: 343 [2024-11-12 17:20:21,874 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 294 GetRequests, 279 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=211, Unknown=0, NotChecked=0, Total=272 [2024-11-12 17:20:21,875 INFO L435 NwaCegarLoop]: 107 mSDtfsCounter, 290 mSDsluCounter, 513 mSDsCounter, 0 mSdLazyCounter, 883 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 292 SdHoareTripleChecker+Valid, 620 SdHoareTripleChecker+Invalid, 896 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 883 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-12 17:20:21,875 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [292 Valid, 620 Invalid, 896 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 883 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-12 17:20:21,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2024-11-12 17:20:21,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 331. [2024-11-12 17:20:21,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 331 states, 281 states have (on average 1.1814946619217082) internal successors, (332), 313 states have internal predecessors, (332), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-12 17:20:21,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 362 transitions. [2024-11-12 17:20:21,902 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 362 transitions. Word has length 152 [2024-11-12 17:20:21,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:20:21,902 INFO L471 AbstractCegarLoop]: Abstraction has 331 states and 362 transitions. [2024-11-12 17:20:21,903 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.444444444444445) internal successors, (121), 9 states have internal predecessors, (121), 5 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 5 states have call successors, (8) [2024-11-12 17:20:21,903 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 362 transitions. [2024-11-12 17:20:21,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-12 17:20:21,904 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:20:21,905 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:20:21,923 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-12 17:20:22,108 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:20:22,109 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] === [2024-11-12 17:20:22,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:20:22,109 INFO L85 PathProgramCache]: Analyzing trace with hash -19649443, now seen corresponding path program 1 times [2024-11-12 17:20:22,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:20:22,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187539702] [2024-11-12 17:20:22,110 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:20:22,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:20:22,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:22,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:20:22,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:22,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-12 17:20:22,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:22,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-12 17:20:22,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:22,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-12 17:20:22,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:22,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-12 17:20:22,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:22,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 17:20:22,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:22,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-12 17:20:22,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:22,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-12 17:20:22,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:22,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 17:20:22,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:22,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-12 17:20:22,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:22,264 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-11-12 17:20:22,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:20:22,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187539702] [2024-11-12 17:20:22,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187539702] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:20:22,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:20:22,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 17:20:22,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817000490] [2024-11-12 17:20:22,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:20:22,267 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:20:22,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:20:22,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:20:22,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:20:22,268 INFO L87 Difference]: Start difference. First operand 331 states and 362 transitions. Second operand has 4 states, 3 states have (on average 43.0) internal successors, (129), 4 states have internal predecessors, (129), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-12 17:20:22,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:20:22,513 INFO L93 Difference]: Finished difference Result 353 states and 384 transitions. [2024-11-12 17:20:22,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:20:22,514 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 43.0) internal successors, (129), 4 states have internal predecessors, (129), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 192 [2024-11-12 17:20:22,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:20:22,515 INFO L225 Difference]: With dead ends: 353 [2024-11-12 17:20:22,515 INFO L226 Difference]: Without dead ends: 352 [2024-11-12 17:20:22,516 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:20:22,516 INFO L435 NwaCegarLoop]: 140 mSDtfsCounter, 23 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 252 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 17:20:22,516 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 280 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 252 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 17:20:22,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2024-11-12 17:20:22,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 331. [2024-11-12 17:20:22,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 331 states, 281 states have (on average 1.1779359430604983) internal successors, (331), 313 states have internal predecessors, (331), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-12 17:20:22,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 361 transitions. [2024-11-12 17:20:22,539 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 361 transitions. Word has length 192 [2024-11-12 17:20:22,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:20:22,539 INFO L471 AbstractCegarLoop]: Abstraction has 331 states and 361 transitions. [2024-11-12 17:20:22,539 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 43.0) internal successors, (129), 4 states have internal predecessors, (129), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-12 17:20:22,540 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 361 transitions. [2024-11-12 17:20:22,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-12 17:20:22,541 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:20:22,541 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:20:22,542 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-12 17:20:22,542 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] === [2024-11-12 17:20:22,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:20:22,542 INFO L85 PathProgramCache]: Analyzing trace with hash -609132562, now seen corresponding path program 1 times [2024-11-12 17:20:22,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:20:22,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319074632] [2024-11-12 17:20:22,543 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:20:22,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:20:22,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:22,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:20:22,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:22,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-12 17:20:22,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:22,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-12 17:20:22,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:22,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-12 17:20:22,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:22,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-12 17:20:22,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:22,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 17:20:22,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:22,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-12 17:20:22,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:22,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-12 17:20:22,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:22,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 17:20:22,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:22,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-12 17:20:22,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:22,717 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2024-11-12 17:20:22,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:20:22,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319074632] [2024-11-12 17:20:22,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319074632] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:20:22,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [201264223] [2024-11-12 17:20:22,718 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:20:22,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:20:22,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:20:22,720 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) [2024-11-12 17:20:22,722 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-12 17:20:22,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:22,787 INFO L256 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-12 17:20:22,789 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:20:23,191 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-12 17:20:23,191 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:20:23,450 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-12 17:20:23,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [201264223] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:20:23,450 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:20:23,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5, 5] total 12 [2024-11-12 17:20:23,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504215476] [2024-11-12 17:20:23,451 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:20:23,451 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-12 17:20:23,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:20:23,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-12 17:20:23,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-11-12 17:20:23,453 INFO L87 Difference]: Start difference. First operand 331 states and 361 transitions. Second operand has 13 states, 12 states have (on average 35.666666666666664) internal successors, (428), 13 states have internal predecessors, (428), 10 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 10 states have call predecessors, (29), 10 states have call successors, (29) [2024-11-12 17:20:24,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:20:24,172 INFO L93 Difference]: Finished difference Result 338 states and 368 transitions. [2024-11-12 17:20:24,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-12 17:20:24,174 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 35.666666666666664) internal successors, (428), 13 states have internal predecessors, (428), 10 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 10 states have call predecessors, (29), 10 states have call successors, (29) Word has length 193 [2024-11-12 17:20:24,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:20:24,176 INFO L225 Difference]: With dead ends: 338 [2024-11-12 17:20:24,176 INFO L226 Difference]: Without dead ends: 332 [2024-11-12 17:20:24,176 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 420 GetRequests, 397 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=157, Invalid=443, Unknown=0, NotChecked=0, Total=600 [2024-11-12 17:20:24,177 INFO L435 NwaCegarLoop]: 32 mSDtfsCounter, 320 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 1014 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 320 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 1055 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 1014 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-12 17:20:24,177 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [320 Valid, 238 Invalid, 1055 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 1014 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-12 17:20:24,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2024-11-12 17:20:24,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 325. [2024-11-12 17:20:24,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 281 states have (on average 1.1459074733096086) internal successors, (322), 307 states have internal predecessors, (322), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-12 17:20:24,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 352 transitions. [2024-11-12 17:20:24,197 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 352 transitions. Word has length 193 [2024-11-12 17:20:24,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:20:24,198 INFO L471 AbstractCegarLoop]: Abstraction has 325 states and 352 transitions. [2024-11-12 17:20:24,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 35.666666666666664) internal successors, (428), 13 states have internal predecessors, (428), 10 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 10 states have call predecessors, (29), 10 states have call successors, (29) [2024-11-12 17:20:24,199 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 352 transitions. [2024-11-12 17:20:24,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-12 17:20:24,200 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:20:24,200 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 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, 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, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:20:24,217 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-12 17:20:24,404 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,SelfDestructingSolverStorable20 [2024-11-12 17:20:24,405 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] === [2024-11-12 17:20:24,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:20:24,405 INFO L85 PathProgramCache]: Analyzing trace with hash -480969294, now seen corresponding path program 1 times [2024-11-12 17:20:24,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:20:24,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485619495] [2024-11-12 17:20:24,405 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:20:24,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:20:24,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:24,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:20:24,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:24,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-12 17:20:24,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:24,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-12 17:20:24,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:24,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-12 17:20:24,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:24,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-12 17:20:24,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:24,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 17:20:24,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:24,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-12 17:20:24,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:24,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-12 17:20:24,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:24,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 17:20:24,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:24,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-12 17:20:24,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:24,596 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-11-12 17:20:24,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:20:24,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485619495] [2024-11-12 17:20:24,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485619495] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:20:24,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [664423096] [2024-11-12 17:20:24,596 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:20:24,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:20:24,597 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:20:24,598 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) [2024-11-12 17:20:24,601 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-12 17:20:24,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:24,666 INFO L256 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-12 17:20:24,668 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:20:25,099 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2024-11-12 17:20:25,100 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:20:25,367 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2024-11-12 17:20:25,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [664423096] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:20:25,367 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:20:25,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 13 [2024-11-12 17:20:25,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959044183] [2024-11-12 17:20:25,368 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:20:25,369 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-12 17:20:25,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:20:25,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-12 17:20:25,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2024-11-12 17:20:25,370 INFO L87 Difference]: Start difference. First operand 325 states and 352 transitions. Second operand has 14 states, 13 states have (on average 23.0) internal successors, (299), 14 states have internal predecessors, (299), 6 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 6 states have call predecessors, (19), 6 states have call successors, (19) [2024-11-12 17:20:26,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:20:26,076 INFO L93 Difference]: Finished difference Result 618 states and 676 transitions. [2024-11-12 17:20:26,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-12 17:20:26,077 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 23.0) internal successors, (299), 14 states have internal predecessors, (299), 6 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 6 states have call predecessors, (19), 6 states have call successors, (19) Word has length 197 [2024-11-12 17:20:26,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:20:26,079 INFO L225 Difference]: With dead ends: 618 [2024-11-12 17:20:26,079 INFO L226 Difference]: Without dead ends: 385 [2024-11-12 17:20:26,079 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 428 GetRequests, 406 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=188, Invalid=364, Unknown=0, NotChecked=0, Total=552 [2024-11-12 17:20:26,080 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 745 mSDsluCounter, 353 mSDsCounter, 0 mSdLazyCounter, 908 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 745 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 950 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 908 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-12 17:20:26,080 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [745 Valid, 431 Invalid, 950 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 908 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-12 17:20:26,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2024-11-12 17:20:26,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 329. [2024-11-12 17:20:26,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 286 states have (on average 1.1433566433566433) internal successors, (327), 311 states have internal predecessors, (327), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-12 17:20:26,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 357 transitions. [2024-11-12 17:20:26,103 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 357 transitions. Word has length 197 [2024-11-12 17:20:26,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:20:26,103 INFO L471 AbstractCegarLoop]: Abstraction has 329 states and 357 transitions. [2024-11-12 17:20:26,104 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 23.0) internal successors, (299), 14 states have internal predecessors, (299), 6 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 6 states have call predecessors, (19), 6 states have call successors, (19) [2024-11-12 17:20:26,104 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 357 transitions. [2024-11-12 17:20:26,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-12 17:20:26,105 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:20:26,106 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 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, 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:20:26,122 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-12 17:20:26,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:20:26,307 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] === [2024-11-12 17:20:26,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:20:26,307 INFO L85 PathProgramCache]: Analyzing trace with hash -2025146097, now seen corresponding path program 1 times [2024-11-12 17:20:26,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:20:26,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917903648] [2024-11-12 17:20:26,307 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:20:26,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:20:26,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:26,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:20:26,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:26,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-12 17:20:26,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:26,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-12 17:20:26,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:26,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-12 17:20:26,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:26,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-12 17:20:26,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:26,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 17:20:26,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:26,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-12 17:20:26,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:26,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-12 17:20:26,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:26,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 17:20:26,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:26,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-12 17:20:26,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:26,477 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 58 proven. 6 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2024-11-12 17:20:26,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:20:26,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917903648] [2024-11-12 17:20:26,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917903648] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:20:26,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1194900752] [2024-11-12 17:20:26,478 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:20:26,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:20:26,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:20:26,480 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) [2024-11-12 17:20:26,482 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-12 17:20:26,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:26,546 INFO L256 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-12 17:20:26,548 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:20:27,178 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-12 17:20:27,178 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:20:27,442 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-12 17:20:27,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1194900752] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:20:27,443 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:20:27,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7, 7] total 17 [2024-11-12 17:20:27,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302864195] [2024-11-12 17:20:27,443 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:20:27,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-12 17:20:27,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:20:27,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-12 17:20:27,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2024-11-12 17:20:27,445 INFO L87 Difference]: Start difference. First operand 329 states and 357 transitions. Second operand has 18 states, 17 states have (on average 26.11764705882353) internal successors, (444), 18 states have internal predecessors, (444), 11 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 11 states have call predecessors, (30), 11 states have call successors, (30) [2024-11-12 17:20:28,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:20:28,282 INFO L93 Difference]: Finished difference Result 402 states and 437 transitions. [2024-11-12 17:20:28,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-12 17:20:28,283 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 26.11764705882353) internal successors, (444), 18 states have internal predecessors, (444), 11 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 11 states have call predecessors, (30), 11 states have call successors, (30) Word has length 198 [2024-11-12 17:20:28,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:20:28,284 INFO L225 Difference]: With dead ends: 402 [2024-11-12 17:20:28,284 INFO L226 Difference]: Without dead ends: 400 [2024-11-12 17:20:28,285 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 431 GetRequests, 403 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 183 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=245, Invalid=625, Unknown=0, NotChecked=0, Total=870 [2024-11-12 17:20:28,285 INFO L435 NwaCegarLoop]: 38 mSDtfsCounter, 569 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 1387 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 569 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 1435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 1387 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-12 17:20:28,286 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [569 Valid, 247 Invalid, 1435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 1387 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-12 17:20:28,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2024-11-12 17:20:28,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 322. [2024-11-12 17:20:28,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 322 states, 281 states have (on average 1.1316725978647686) internal successors, (318), 304 states have internal predecessors, (318), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-12 17:20:28,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 348 transitions. [2024-11-12 17:20:28,318 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 348 transitions. Word has length 198 [2024-11-12 17:20:28,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:20:28,318 INFO L471 AbstractCegarLoop]: Abstraction has 322 states and 348 transitions. [2024-11-12 17:20:28,319 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 26.11764705882353) internal successors, (444), 18 states have internal predecessors, (444), 11 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 11 states have call predecessors, (30), 11 states have call successors, (30) [2024-11-12 17:20:28,319 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 348 transitions. [2024-11-12 17:20:28,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-11-12 17:20:28,320 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:20:28,320 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:20:28,338 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-11-12 17:20:28,521 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:20:28,521 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] === [2024-11-12 17:20:28,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:20:28,522 INFO L85 PathProgramCache]: Analyzing trace with hash -919211275, now seen corresponding path program 1 times [2024-11-12 17:20:28,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:20:28,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386869051] [2024-11-12 17:20:28,522 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:20:28,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:20:28,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:20:28,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [786537703] [2024-11-12 17:20:28,546 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:20:28,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:20:28,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:20:28,547 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) [2024-11-12 17:20:28,549 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-12 17:20:28,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:20:28,625 INFO L256 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-12 17:20:28,628 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:20:33,453 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 24 proven. 81 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-12 17:20:33,454 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:20:38,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:20:38,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386869051] [2024-11-12 17:20:38,509 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:20:38,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [786537703] [2024-11-12 17:20:38,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [786537703] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:20:38,509 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:20:38,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-12 17:20:38,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823541183] [2024-11-12 17:20:38,510 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:20:38,510 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-12 17:20:38,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:20:38,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-12 17:20:38,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=171, Unknown=1, NotChecked=0, Total=210 [2024-11-12 17:20:38,511 INFO L87 Difference]: Start difference. First operand 322 states and 348 transitions. Second operand has 11 states, 11 states have (on average 15.090909090909092) internal successors, (166), 10 states have internal predecessors, (166), 4 states have call successors, (10), 1 states have call predecessors, (10), 3 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-12 17:20:42,746 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-12 17:20:47,298 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-12 17:20:51,385 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-12 17:20:55,939 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-12 17:21:00,643 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-12 17:21:05,182 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-12 17:21:09,770 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-12 17:21:14,127 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-12 17:21:18,872 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-12 17:21:22,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-12 17:21:27,727 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]