./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound20.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 cb384ff5c9201b9f90543357d3375f0a0ac9cc5fac01729f538d89799a1d7226 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 20:36:04,823 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 20:36:04,880 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-11 20:36:04,884 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 20:36:04,885 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 20:36:04,900 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 20:36:04,900 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 20:36:04,900 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 20:36:04,901 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 20:36:04,901 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 20:36:04,901 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 20:36:04,902 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 20:36:04,902 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 20:36:04,902 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 20:36:04,902 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 20:36:04,903 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 20:36:04,903 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 20:36:04,903 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 20:36:04,903 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 20:36:04,904 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 20:36:04,904 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 20:36:04,904 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 20:36:04,905 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 20:36:04,905 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 20:36:04,905 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 20:36:04,905 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-11 20:36:04,905 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 20:36:04,906 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 20:36:04,906 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 20:36:04,906 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 20:36:04,906 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 20:36:04,907 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 20:36:04,907 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 20:36:04,907 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 20:36:04,907 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 20:36:04,907 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 20:36:04,908 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 20:36:04,908 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 20:36:04,908 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 20:36:04,908 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 20:36:04,908 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 20:36:04,910 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 20:36:04,910 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 20:36:04,910 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 20:36:04,910 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb384ff5c9201b9f90543357d3375f0a0ac9cc5fac01729f538d89799a1d7226 [2024-10-11 20:36:05,102 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 20:36:05,123 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 20:36:05,125 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 20:36:05,126 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 20:36:05,126 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 20:36:05,127 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound20.c [2024-10-11 20:36:06,318 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 20:36:06,466 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 20:36:06,467 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound20.c [2024-10-11 20:36:06,472 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/d059a24a6/96e8cf18e6b34ff5b306a623c9ab4533/FLAGf653dcd0a [2024-10-11 20:36:06,483 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/d059a24a6/96e8cf18e6b34ff5b306a623c9ab4533 [2024-10-11 20:36:06,484 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 20:36:06,485 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 20:36:06,486 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 20:36:06,486 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 20:36:06,490 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 20:36:06,490 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 08:36:06" (1/1) ... [2024-10-11 20:36:06,491 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@413d4f6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:36:06, skipping insertion in model container [2024-10-11 20:36:06,491 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 08:36:06" (1/1) ... [2024-10-11 20:36:06,507 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 20:36:06,653 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 20:36:06,660 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 20:36:06,674 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 20:36:06,685 INFO L204 MainTranslator]: Completed translation [2024-10-11 20:36:06,685 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:36:06 WrapperNode [2024-10-11 20:36:06,685 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 20:36:06,686 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 20:36:06,686 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 20:36:06,687 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 20:36:06,691 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:36:06" (1/1) ... [2024-10-11 20:36:06,695 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:36:06" (1/1) ... [2024-10-11 20:36:06,711 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 116 [2024-10-11 20:36:06,711 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 20:36:06,712 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 20:36:06,712 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 20:36:06,712 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 20:36:06,719 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:36:06" (1/1) ... [2024-10-11 20:36:06,720 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:36:06" (1/1) ... [2024-10-11 20:36:06,721 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:36:06" (1/1) ... [2024-10-11 20:36:06,731 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]. [2024-10-11 20:36:06,731 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:36:06" (1/1) ... [2024-10-11 20:36:06,731 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:36:06" (1/1) ... [2024-10-11 20:36:06,733 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:36:06" (1/1) ... [2024-10-11 20:36:06,735 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:36:06" (1/1) ... [2024-10-11 20:36:06,736 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:36:06" (1/1) ... [2024-10-11 20:36:06,737 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:36:06" (1/1) ... [2024-10-11 20:36:06,738 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 20:36:06,739 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 20:36:06,739 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 20:36:06,739 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 20:36:06,739 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:36:06" (1/1) ... [2024-10-11 20:36:06,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 20:36:06,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:36:06,761 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 20:36:06,763 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 20:36:06,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 20:36:06,798 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 20:36:06,798 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 20:36:06,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 20:36:06,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 20:36:06,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 20:36:06,798 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-11 20:36:06,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-11 20:36:06,844 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 20:36:06,846 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 20:36:07,164 INFO L? ?]: Removed 136 outVars from TransFormulas that were not future-live. [2024-10-11 20:36:07,164 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 20:36:07,193 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 20:36:07,196 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 20:36:07,197 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 08:36:07 BoogieIcfgContainer [2024-10-11 20:36:07,197 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 20:36:07,198 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 20:36:07,199 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 20:36:07,202 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 20:36:07,202 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 08:36:06" (1/3) ... [2024-10-11 20:36:07,203 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@408f0b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 08:36:07, skipping insertion in model container [2024-10-11 20:36:07,203 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:36:06" (2/3) ... [2024-10-11 20:36:07,204 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@408f0b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 08:36:07, skipping insertion in model container [2024-10-11 20:36:07,204 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 08:36:07" (3/3) ... [2024-10-11 20:36:07,206 INFO L112 eAbstractionObserver]: Analyzing ICFG bresenham-ll_valuebound20.c [2024-10-11 20:36:07,218 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 20:36:07,218 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 58 error locations. [2024-10-11 20:36:07,260 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 20:36:07,265 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;@72d4c352, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 20:36:07,265 INFO L334 AbstractCegarLoop]: Starting to check reachability of 58 error locations. [2024-10-11 20:36:07,269 INFO L276 IsEmpty]: Start isEmpty. Operand has 136 states, 71 states have (on average 1.9014084507042253) internal successors, (135), 129 states have internal predecessors, (135), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-11 20:36:07,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-10-11 20:36:07,274 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:36:07,274 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:36:07,275 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:36:07,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:36:07,279 INFO L85 PathProgramCache]: Analyzing trace with hash 1031300897, now seen corresponding path program 1 times [2024-10-11 20:36:07,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:36:07,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47435639] [2024-10-11 20:36:07,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:07,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:36:07,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:07,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:36:07,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:07,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:36:07,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:07,398 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:36:07,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:36:07,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47435639] [2024-10-11 20:36:07,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [47435639] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:36:07,400 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:36:07,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:36:07,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787826189] [2024-10-11 20:36:07,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:36:07,404 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 20:36:07,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:36:07,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 20:36:07,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 20:36:07,425 INFO L87 Difference]: Start difference. First operand has 136 states, 71 states have (on average 1.9014084507042253) internal successors, (135), 129 states have internal predecessors, (135), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2024-10-11 20:36:07,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:36:07,449 INFO L93 Difference]: Finished difference Result 270 states and 287 transitions. [2024-10-11 20:36:07,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 20:36:07,451 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 13 [2024-10-11 20:36:07,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:36:07,456 INFO L225 Difference]: With dead ends: 270 [2024-10-11 20:36:07,457 INFO L226 Difference]: Without dead ends: 133 [2024-10-11 20:36:07,459 INFO L431 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 [2024-10-11 20:36:07,463 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:36:07,464 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 137 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:36:07,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2024-10-11 20:36:07,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2024-10-11 20:36:07,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 70 states have (on average 1.8428571428571427) internal successors, (129), 127 states have internal predecessors, (129), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-11 20:36:07,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 135 transitions. [2024-10-11 20:36:07,502 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 135 transitions. Word has length 13 [2024-10-11 20:36:07,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:36:07,503 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 135 transitions. [2024-10-11 20:36:07,503 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2024-10-11 20:36:07,503 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 135 transitions. [2024-10-11 20:36:07,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-10-11 20:36:07,504 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:36:07,505 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:36:07,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 20:36:07,506 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:36:07,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:36:07,506 INFO L85 PathProgramCache]: Analyzing trace with hash 638333469, now seen corresponding path program 1 times [2024-10-11 20:36:07,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:36:07,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133050165] [2024-10-11 20:36:07,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:07,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:36:07,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:07,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:36:07,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:07,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:36:07,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:07,605 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:36:07,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:36:07,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133050165] [2024-10-11 20:36:07,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [133050165] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:36:07,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:36:07,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:36:07,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952923408] [2024-10-11 20:36:07,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:36:07,607 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:36:07,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:36:07,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:36:07,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:36:07,608 INFO L87 Difference]: Start difference. First operand 133 states and 135 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2024-10-11 20:36:07,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:36:07,788 INFO L93 Difference]: Finished difference Result 133 states and 135 transitions. [2024-10-11 20:36:07,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:36:07,788 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 13 [2024-10-11 20:36:07,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:36:07,789 INFO L225 Difference]: With dead ends: 133 [2024-10-11 20:36:07,791 INFO L226 Difference]: Without dead ends: 129 [2024-10-11 20:36:07,791 INFO L431 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 [2024-10-11 20:36:07,792 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 89 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:36:07,794 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 81 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:36:07,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2024-10-11 20:36:07,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2024-10-11 20:36:07,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 70 states have (on average 1.7857142857142858) internal successors, (125), 123 states have internal predecessors, (125), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-11 20:36:07,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 131 transitions. [2024-10-11 20:36:07,803 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 131 transitions. Word has length 13 [2024-10-11 20:36:07,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:36:07,804 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 131 transitions. [2024-10-11 20:36:07,804 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2024-10-11 20:36:07,804 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 131 transitions. [2024-10-11 20:36:07,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-10-11 20:36:07,805 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:36:07,805 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:36:07,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 20:36:07,805 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:36:07,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:36:07,806 INFO L85 PathProgramCache]: Analyzing trace with hash -1686498902, now seen corresponding path program 1 times [2024-10-11 20:36:07,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:36:07,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934122928] [2024-10-11 20:36:07,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:07,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:36:07,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:07,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:36:07,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:07,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:36:07,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:07,861 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:36:07,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:36:07,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934122928] [2024-10-11 20:36:07,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934122928] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:36:07,862 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:36:07,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:36:07,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618020504] [2024-10-11 20:36:07,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:36:07,862 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:36:07,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:36:07,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:36:07,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:36:07,863 INFO L87 Difference]: Start difference. First operand 129 states and 131 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) [2024-10-11 20:36:07,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:36:07,952 INFO L93 Difference]: Finished difference Result 129 states and 131 transitions. [2024-10-11 20:36:07,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:36:07,952 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 [2024-10-11 20:36:07,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:36:07,953 INFO L225 Difference]: With dead ends: 129 [2024-10-11 20:36:07,953 INFO L226 Difference]: Without dead ends: 125 [2024-10-11 20:36:07,954 INFO L431 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 [2024-10-11 20:36:07,954 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 88 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:36:07,955 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 81 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:36:07,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-10-11 20:36:07,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2024-10-11 20:36:07,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 70 states have (on average 1.7285714285714286) internal successors, (121), 119 states have internal predecessors, (121), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-11 20:36:07,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 127 transitions. [2024-10-11 20:36:07,961 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 127 transitions. Word has length 14 [2024-10-11 20:36:07,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:36:07,961 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 127 transitions. [2024-10-11 20:36:07,961 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) [2024-10-11 20:36:07,961 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 127 transitions. [2024-10-11 20:36:07,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-10-11 20:36:07,961 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:36:07,962 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:36:07,962 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 20:36:07,962 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:36:07,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:36:07,962 INFO L85 PathProgramCache]: Analyzing trace with hash -741858369, now seen corresponding path program 1 times [2024-10-11 20:36:07,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:36:07,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045550851] [2024-10-11 20:36:07,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:07,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:36:07,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:08,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:36:08,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:08,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:36:08,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:08,033 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:36:08,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:36:08,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045550851] [2024-10-11 20:36:08,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045550851] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:36:08,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:36:08,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:36:08,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141620479] [2024-10-11 20:36:08,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:36:08,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:36:08,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:36:08,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:36:08,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:36:08,035 INFO L87 Difference]: Start difference. First operand 125 states and 127 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 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) [2024-10-11 20:36:08,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:36:08,212 INFO L93 Difference]: Finished difference Result 125 states and 127 transitions. [2024-10-11 20:36:08,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:36:08,213 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 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 [2024-10-11 20:36:08,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:36:08,214 INFO L225 Difference]: With dead ends: 125 [2024-10-11 20:36:08,214 INFO L226 Difference]: Without dead ends: 122 [2024-10-11 20:36:08,214 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:36:08,215 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 171 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:36:08,215 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 75 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:36:08,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-10-11 20:36:08,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2024-10-11 20:36:08,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 70 states have (on average 1.6857142857142857) internal successors, (118), 116 states have internal predecessors, (118), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-11 20:36:08,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 124 transitions. [2024-10-11 20:36:08,225 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 124 transitions. Word has length 15 [2024-10-11 20:36:08,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:36:08,225 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 124 transitions. [2024-10-11 20:36:08,226 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 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) [2024-10-11 20:36:08,226 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 124 transitions. [2024-10-11 20:36:08,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-10-11 20:36:08,230 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:36:08,230 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:36:08,230 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 20:36:08,230 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:36:08,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:36:08,231 INFO L85 PathProgramCache]: Analyzing trace with hash -1522772916, now seen corresponding path program 1 times [2024-10-11 20:36:08,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:36:08,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857800384] [2024-10-11 20:36:08,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:08,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:36:08,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:08,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:36:08,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:08,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:36:08,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:08,292 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:36:08,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:36:08,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857800384] [2024-10-11 20:36:08,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857800384] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:36:08,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:36:08,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:36:08,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631472002] [2024-10-11 20:36:08,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:36:08,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:36:08,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:36:08,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:36:08,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:36:08,293 INFO L87 Difference]: Start difference. First operand 122 states and 124 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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) [2024-10-11 20:36:08,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:36:08,438 INFO L93 Difference]: Finished difference Result 122 states and 124 transitions. [2024-10-11 20:36:08,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:36:08,439 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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 16 [2024-10-11 20:36:08,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:36:08,439 INFO L225 Difference]: With dead ends: 122 [2024-10-11 20:36:08,440 INFO L226 Difference]: Without dead ends: 119 [2024-10-11 20:36:08,441 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:36:08,441 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 170 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:36:08,445 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 75 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:36:08,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-10-11 20:36:08,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2024-10-11 20:36:08,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 70 states have (on average 1.6428571428571428) internal successors, (115), 113 states have internal predecessors, (115), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-11 20:36:08,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 121 transitions. [2024-10-11 20:36:08,451 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 121 transitions. Word has length 16 [2024-10-11 20:36:08,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:36:08,451 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 121 transitions. [2024-10-11 20:36:08,451 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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) [2024-10-11 20:36:08,451 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 121 transitions. [2024-10-11 20:36:08,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-10-11 20:36:08,452 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:36:08,452 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:36:08,452 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 20:36:08,452 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:36:08,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:36:08,452 INFO L85 PathProgramCache]: Analyzing trace with hash 1199077326, now seen corresponding path program 1 times [2024-10-11 20:36:08,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:36:08,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695260051] [2024-10-11 20:36:08,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:08,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:36:08,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:36:08,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1914030272] [2024-10-11 20:36:08,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:08,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:36:08,472 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:36:08,474 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:36:08,475 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 20:36:08,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:08,511 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 20:36:08,513 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:36:08,535 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:36:08,535 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:36:08,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:36:08,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695260051] [2024-10-11 20:36:08,536 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:36:08,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1914030272] [2024-10-11 20:36:08,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1914030272] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:36:08,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:36:08,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:36:08,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744805184] [2024-10-11 20:36:08,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:36:08,539 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:36:08,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:36:08,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:36:08,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:36:08,540 INFO L87 Difference]: Start difference. First operand 119 states and 121 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:36:08,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:36:08,638 INFO L93 Difference]: Finished difference Result 184 states and 189 transitions. [2024-10-11 20:36:08,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:36:08,639 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 18 [2024-10-11 20:36:08,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:36:08,639 INFO L225 Difference]: With dead ends: 184 [2024-10-11 20:36:08,639 INFO L226 Difference]: Without dead ends: 178 [2024-10-11 20:36:08,640 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:36:08,640 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 57 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:36:08,641 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 214 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:36:08,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2024-10-11 20:36:08,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 144. [2024-10-11 20:36:08,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 94 states have (on average 1.6382978723404256) internal successors, (154), 137 states have internal predecessors, (154), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-11 20:36:08,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 162 transitions. [2024-10-11 20:36:08,648 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 162 transitions. Word has length 18 [2024-10-11 20:36:08,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:36:08,648 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 162 transitions. [2024-10-11 20:36:08,649 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:36:08,649 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 162 transitions. [2024-10-11 20:36:08,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-10-11 20:36:08,649 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:36:08,649 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:36:08,661 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-11 20:36:08,853 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:36:08,854 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:36:08,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:36:08,854 INFO L85 PathProgramCache]: Analyzing trace with hash 1262076752, now seen corresponding path program 1 times [2024-10-11 20:36:08,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:36:08,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49375638] [2024-10-11 20:36:08,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:08,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:36:08,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:36:08,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [431345444] [2024-10-11 20:36:08,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:08,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:36:08,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:36:08,864 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:36:08,865 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-11 20:36:08,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:08,896 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 20:36:08,897 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:36:08,907 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:36:08,907 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:36:08,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:36:08,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49375638] [2024-10-11 20:36:08,907 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:36:08,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [431345444] [2024-10-11 20:36:08,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [431345444] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:36:08,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:36:08,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:36:08,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759415858] [2024-10-11 20:36:08,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:36:08,909 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:36:08,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:36:08,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:36:08,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:36:08,910 INFO L87 Difference]: Start difference. First operand 144 states and 162 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:36:08,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:36:08,973 INFO L93 Difference]: Finished difference Result 241 states and 263 transitions. [2024-10-11 20:36:08,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:36:08,974 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 20 [2024-10-11 20:36:08,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:36:08,975 INFO L225 Difference]: With dead ends: 241 [2024-10-11 20:36:08,975 INFO L226 Difference]: Without dead ends: 235 [2024-10-11 20:36:08,975 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:36:08,976 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 87 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:36:08,976 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 212 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:36:08,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2024-10-11 20:36:08,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 193. [2024-10-11 20:36:08,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 142 states have (on average 1.647887323943662) internal successors, (234), 185 states have internal predecessors, (234), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-11 20:36:08,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 244 transitions. [2024-10-11 20:36:08,986 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 244 transitions. Word has length 20 [2024-10-11 20:36:08,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:36:08,986 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 244 transitions. [2024-10-11 20:36:08,986 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:36:08,986 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 244 transitions. [2024-10-11 20:36:08,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-10-11 20:36:08,987 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:36:08,987 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:36:08,999 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-11 20:36:09,189 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:36:09,190 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:36:09,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:36:09,191 INFO L85 PathProgramCache]: Analyzing trace with hash 1674983122, now seen corresponding path program 1 times [2024-10-11 20:36:09,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:36:09,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002804620] [2024-10-11 20:36:09,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:09,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:36:09,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:36:09,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2141456056] [2024-10-11 20:36:09,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:09,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:36:09,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:36:09,204 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:36:09,205 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-11 20:36:09,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:09,239 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:36:09,240 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:36:09,277 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:36:09,278 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:36:09,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:36:09,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002804620] [2024-10-11 20:36:09,278 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:36:09,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2141456056] [2024-10-11 20:36:09,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2141456056] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:36:09,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:36:09,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:36:09,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800996132] [2024-10-11 20:36:09,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:36:09,279 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:36:09,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:36:09,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:36:09,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:36:09,279 INFO L87 Difference]: Start difference. First operand 193 states and 244 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:36:09,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:36:09,461 INFO L93 Difference]: Finished difference Result 261 states and 315 transitions. [2024-10-11 20:36:09,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:36:09,461 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2024-10-11 20:36:09,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:36:09,462 INFO L225 Difference]: With dead ends: 261 [2024-10-11 20:36:09,462 INFO L226 Difference]: Without dead ends: 259 [2024-10-11 20:36:09,463 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:36:09,466 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 122 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:36:09,466 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 228 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:36:09,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2024-10-11 20:36:09,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 194. [2024-10-11 20:36:09,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 143 states have (on average 1.6363636363636365) internal successors, (234), 186 states have internal predecessors, (234), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-11 20:36:09,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 244 transitions. [2024-10-11 20:36:09,472 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 244 transitions. Word has length 22 [2024-10-11 20:36:09,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:36:09,472 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 244 transitions. [2024-10-11 20:36:09,473 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:36:09,473 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 244 transitions. [2024-10-11 20:36:09,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-10-11 20:36:09,473 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:36:09,473 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:36:09,489 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-11 20:36:09,678 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:36:09,679 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:36:09,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:36:09,679 INFO L85 PathProgramCache]: Analyzing trace with hash 384869294, now seen corresponding path program 1 times [2024-10-11 20:36:09,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:36:09,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093551148] [2024-10-11 20:36:09,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:09,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:36:09,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:36:09,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1559647482] [2024-10-11 20:36:09,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:09,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:36:09,690 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:36:09,692 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:36:09,696 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-11 20:36:09,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:09,731 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:36:09,732 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:36:09,760 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:36:09,760 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:36:09,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:36:09,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093551148] [2024-10-11 20:36:09,761 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:36:09,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1559647482] [2024-10-11 20:36:09,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1559647482] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:36:09,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:36:09,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:36:09,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26065330] [2024-10-11 20:36:09,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:36:09,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:36:09,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:36:09,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:36:09,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:36:09,762 INFO L87 Difference]: Start difference. First operand 194 states and 244 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:36:09,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:36:09,934 INFO L93 Difference]: Finished difference Result 260 states and 313 transitions. [2024-10-11 20:36:09,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:36:09,934 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 23 [2024-10-11 20:36:09,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:36:09,935 INFO L225 Difference]: With dead ends: 260 [2024-10-11 20:36:09,935 INFO L226 Difference]: Without dead ends: 258 [2024-10-11 20:36:09,935 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:36:09,936 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 120 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:36:09,936 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 231 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:36:09,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2024-10-11 20:36:09,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 195. [2024-10-11 20:36:09,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 144 states have (on average 1.625) internal successors, (234), 187 states have internal predecessors, (234), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-11 20:36:09,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 244 transitions. [2024-10-11 20:36:09,942 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 244 transitions. Word has length 23 [2024-10-11 20:36:09,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:36:09,942 INFO L471 AbstractCegarLoop]: Abstraction has 195 states and 244 transitions. [2024-10-11 20:36:09,942 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:36:09,942 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 244 transitions. [2024-10-11 20:36:09,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-10-11 20:36:09,943 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:36:09,943 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:36:09,955 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-11 20:36:10,147 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-10-11 20:36:10,148 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:36:10,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:36:10,148 INFO L85 PathProgramCache]: Analyzing trace with hash -953953708, now seen corresponding path program 1 times [2024-10-11 20:36:10,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:36:10,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376226491] [2024-10-11 20:36:10,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:10,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:36:10,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:36:10,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [269509542] [2024-10-11 20:36:10,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:10,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:36:10,155 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:36:10,156 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:36:10,157 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-11 20:36:10,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:10,187 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:36:10,188 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:36:10,205 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:36:10,206 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:36:10,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:36:10,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376226491] [2024-10-11 20:36:10,206 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:36:10,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [269509542] [2024-10-11 20:36:10,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [269509542] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:36:10,206 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:36:10,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:36:10,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416336296] [2024-10-11 20:36:10,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:36:10,207 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:36:10,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:36:10,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:36:10,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:36:10,208 INFO L87 Difference]: Start difference. First operand 195 states and 244 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:36:10,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:36:10,296 INFO L93 Difference]: Finished difference Result 255 states and 273 transitions. [2024-10-11 20:36:10,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:36:10,296 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 24 [2024-10-11 20:36:10,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:36:10,297 INFO L225 Difference]: With dead ends: 255 [2024-10-11 20:36:10,297 INFO L226 Difference]: Without dead ends: 253 [2024-10-11 20:36:10,298 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:36:10,298 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 168 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:36:10,298 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 255 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:36:10,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2024-10-11 20:36:10,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 195. [2024-10-11 20:36:10,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 144 states have (on average 1.6041666666666667) internal successors, (231), 187 states have internal predecessors, (231), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-11 20:36:10,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 241 transitions. [2024-10-11 20:36:10,304 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 241 transitions. Word has length 24 [2024-10-11 20:36:10,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:36:10,304 INFO L471 AbstractCegarLoop]: Abstraction has 195 states and 241 transitions. [2024-10-11 20:36:10,304 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:36:10,304 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 241 transitions. [2024-10-11 20:36:10,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-10-11 20:36:10,304 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:36:10,304 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:36:10,316 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-11 20:36:10,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-10-11 20:36:10,505 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:36:10,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:36:10,505 INFO L85 PathProgramCache]: Analyzing trace with hash 492206192, now seen corresponding path program 1 times [2024-10-11 20:36:10,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:36:10,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109048646] [2024-10-11 20:36:10,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:10,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:36:10,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:36:10,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [698541238] [2024-10-11 20:36:10,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:10,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:36:10,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:36:10,520 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:36:10,522 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-11 20:36:10,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:10,554 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:36:10,554 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:36:10,575 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:36:10,575 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:36:10,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:36:10,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109048646] [2024-10-11 20:36:10,575 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:36:10,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [698541238] [2024-10-11 20:36:10,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [698541238] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:36:10,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:36:10,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:36:10,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61072077] [2024-10-11 20:36:10,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:36:10,576 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:36:10,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:36:10,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:36:10,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:36:10,576 INFO L87 Difference]: Start difference. First operand 195 states and 241 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:36:10,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:36:10,739 INFO L93 Difference]: Finished difference Result 253 states and 270 transitions. [2024-10-11 20:36:10,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:36:10,739 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 25 [2024-10-11 20:36:10,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:36:10,740 INFO L225 Difference]: With dead ends: 253 [2024-10-11 20:36:10,740 INFO L226 Difference]: Without dead ends: 251 [2024-10-11 20:36:10,741 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:36:10,741 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 165 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:36:10,741 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 253 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:36:10,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2024-10-11 20:36:10,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 195. [2024-10-11 20:36:10,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 144 states have (on average 1.5833333333333333) internal successors, (228), 187 states have internal predecessors, (228), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-11 20:36:10,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 238 transitions. [2024-10-11 20:36:10,749 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 238 transitions. Word has length 25 [2024-10-11 20:36:10,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:36:10,749 INFO L471 AbstractCegarLoop]: Abstraction has 195 states and 238 transitions. [2024-10-11 20:36:10,750 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:36:10,750 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 238 transitions. [2024-10-11 20:36:10,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-10-11 20:36:10,751 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:36:10,752 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:36:10,764 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-11 20:36:10,952 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-10-11 20:36:10,953 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:36:10,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:36:10,953 INFO L85 PathProgramCache]: Analyzing trace with hash -1921477162, now seen corresponding path program 1 times [2024-10-11 20:36:10,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:36:10,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124797789] [2024-10-11 20:36:10,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:10,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:36:10,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:36:10,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [348452745] [2024-10-11 20:36:10,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:10,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:36:10,966 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:36:10,967 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:36:10,970 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-11 20:36:10,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:10,997 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:36:10,997 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:36:11,024 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:36:11,025 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:36:11,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:36:11,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124797789] [2024-10-11 20:36:11,025 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:36:11,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [348452745] [2024-10-11 20:36:11,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [348452745] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:36:11,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:36:11,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 20:36:11,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714931284] [2024-10-11 20:36:11,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:36:11,026 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:36:11,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:36:11,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:36:11,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:36:11,026 INFO L87 Difference]: Start difference. First operand 195 states and 238 transitions. Second operand has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:36:11,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:36:11,233 INFO L93 Difference]: Finished difference Result 255 states and 303 transitions. [2024-10-11 20:36:11,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 20:36:11,234 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 26 [2024-10-11 20:36:11,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:36:11,235 INFO L225 Difference]: With dead ends: 255 [2024-10-11 20:36:11,235 INFO L226 Difference]: Without dead ends: 253 [2024-10-11 20:36:11,235 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-11 20:36:11,235 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 170 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:36:11,236 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 231 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:36:11,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2024-10-11 20:36:11,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 198. [2024-10-11 20:36:11,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 147 states have (on average 1.564625850340136) internal successors, (230), 190 states have internal predecessors, (230), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-11 20:36:11,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 240 transitions. [2024-10-11 20:36:11,253 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 240 transitions. Word has length 26 [2024-10-11 20:36:11,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:36:11,254 INFO L471 AbstractCegarLoop]: Abstraction has 198 states and 240 transitions. [2024-10-11 20:36:11,254 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:36:11,255 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 240 transitions. [2024-10-11 20:36:11,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-10-11 20:36:11,255 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:36:11,255 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:36:11,270 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-10-11 20:36:11,455 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:36:11,456 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:36:11,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:36:11,457 INFO L85 PathProgramCache]: Analyzing trace with hash 563750194, now seen corresponding path program 1 times [2024-10-11 20:36:11,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:36:11,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002750225] [2024-10-11 20:36:11,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:11,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:36:11,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:36:11,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1192366979] [2024-10-11 20:36:11,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:11,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:36:11,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:36:11,467 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:36:11,468 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-11 20:36:11,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:11,496 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:36:11,497 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:36:11,541 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:36:11,541 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:36:11,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:36:11,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002750225] [2024-10-11 20:36:11,542 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:36:11,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1192366979] [2024-10-11 20:36:11,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1192366979] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:36:11,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:36:11,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 20:36:11,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516174031] [2024-10-11 20:36:11,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:36:11,543 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:36:11,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:36:11,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:36:11,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:36:11,543 INFO L87 Difference]: Start difference. First operand 198 states and 240 transitions. Second operand has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:36:11,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:36:11,678 INFO L93 Difference]: Finished difference Result 254 states and 269 transitions. [2024-10-11 20:36:11,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 20:36:11,678 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 27 [2024-10-11 20:36:11,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:36:11,679 INFO L225 Difference]: With dead ends: 254 [2024-10-11 20:36:11,680 INFO L226 Difference]: Without dead ends: 252 [2024-10-11 20:36:11,680 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-11 20:36:11,680 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 229 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:36:11,680 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 257 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:36:11,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2024-10-11 20:36:11,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 198. [2024-10-11 20:36:11,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 147 states have (on average 1.5442176870748299) internal successors, (227), 190 states have internal predecessors, (227), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-11 20:36:11,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 237 transitions. [2024-10-11 20:36:11,689 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 237 transitions. Word has length 27 [2024-10-11 20:36:11,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:36:11,689 INFO L471 AbstractCegarLoop]: Abstraction has 198 states and 237 transitions. [2024-10-11 20:36:11,689 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:36:11,689 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 237 transitions. [2024-10-11 20:36:11,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-10-11 20:36:11,690 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:36:11,690 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:36:11,702 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-10-11 20:36:11,890 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-10-11 20:36:11,891 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:36:11,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:36:11,891 INFO L85 PathProgramCache]: Analyzing trace with hash 296386904, now seen corresponding path program 1 times [2024-10-11 20:36:11,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:36:11,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269437582] [2024-10-11 20:36:11,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:11,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:36:11,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:36:11,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2133771831] [2024-10-11 20:36:11,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:11,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:36:11,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:36:11,907 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:36:11,908 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-11 20:36:11,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:11,941 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-11 20:36:11,942 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:36:12,050 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:36:12,050 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:36:12,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:36:12,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269437582] [2024-10-11 20:36:12,050 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:36:12,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2133771831] [2024-10-11 20:36:12,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2133771831] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:36:12,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:36:12,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 20:36:12,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381214223] [2024-10-11 20:36:12,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:36:12,051 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 20:36:12,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:36:12,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 20:36:12,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-11 20:36:12,051 INFO L87 Difference]: Start difference. First operand 198 states and 237 transitions. Second operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:36:12,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:36:12,237 INFO L93 Difference]: Finished difference Result 250 states and 297 transitions. [2024-10-11 20:36:12,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 20:36:12,237 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 28 [2024-10-11 20:36:12,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:36:12,238 INFO L225 Difference]: With dead ends: 250 [2024-10-11 20:36:12,238 INFO L226 Difference]: Without dead ends: 248 [2024-10-11 20:36:12,238 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-10-11 20:36:12,239 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 313 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 314 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:36:12,239 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [314 Valid, 184 Invalid, 259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:36:12,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2024-10-11 20:36:12,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 200. [2024-10-11 20:36:12,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 149 states have (on average 1.5302013422818792) internal successors, (228), 192 states have internal predecessors, (228), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-11 20:36:12,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 238 transitions. [2024-10-11 20:36:12,245 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 238 transitions. Word has length 28 [2024-10-11 20:36:12,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:36:12,245 INFO L471 AbstractCegarLoop]: Abstraction has 200 states and 238 transitions. [2024-10-11 20:36:12,245 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:36:12,245 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 238 transitions. [2024-10-11 20:36:12,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-10-11 20:36:12,246 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:36:12,246 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:36:12,259 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-10-11 20:36:12,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,10 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:36:12,449 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:36:12,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:36:12,450 INFO L85 PathProgramCache]: Analyzing trace with hash 598059508, now seen corresponding path program 1 times [2024-10-11 20:36:12,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:36:12,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253415894] [2024-10-11 20:36:12,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:12,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:36:12,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:12,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:36:12,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:12,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:36:12,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:12,547 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-11 20:36:12,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:36:12,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253415894] [2024-10-11 20:36:12,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253415894] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:36:12,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1455109067] [2024-10-11 20:36:12,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:12,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:36:12,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:36:12,549 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:36:12,550 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-11 20:36:12,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:12,579 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-11 20:36:12,580 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:36:12,682 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:36:12,683 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:36:12,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1455109067] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:36:12,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:36:12,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-10-11 20:36:12,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097049791] [2024-10-11 20:36:12,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:36:12,683 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 20:36:12,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:36:12,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 20:36:12,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:36:12,684 INFO L87 Difference]: Start difference. First operand 200 states and 238 transitions. Second operand has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:36:12,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:36:12,975 INFO L93 Difference]: Finished difference Result 250 states and 295 transitions. [2024-10-11 20:36:12,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 20:36:12,975 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 29 [2024-10-11 20:36:12,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:36:12,976 INFO L225 Difference]: With dead ends: 250 [2024-10-11 20:36:12,976 INFO L226 Difference]: Without dead ends: 248 [2024-10-11 20:36:12,976 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-10-11 20:36:12,977 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 245 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 287 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:36:12,977 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 202 Invalid, 294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 287 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:36:12,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2024-10-11 20:36:12,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 201. [2024-10-11 20:36:12,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 150 states have (on average 1.52) internal successors, (228), 193 states have internal predecessors, (228), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-11 20:36:12,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 238 transitions. [2024-10-11 20:36:12,981 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 238 transitions. Word has length 29 [2024-10-11 20:36:12,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:36:12,982 INFO L471 AbstractCegarLoop]: Abstraction has 201 states and 238 transitions. [2024-10-11 20:36:12,982 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:36:12,982 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 238 transitions. [2024-10-11 20:36:12,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-10-11 20:36:12,982 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:36:12,982 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:36:12,994 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-10-11 20:36:13,183 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-10-11 20:36:13,183 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:36:13,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:36:13,183 INFO L85 PathProgramCache]: Analyzing trace with hash 1266536540, now seen corresponding path program 1 times [2024-10-11 20:36:13,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:36:13,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711342923] [2024-10-11 20:36:13,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:13,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:36:13,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:13,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:36:13,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:13,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:36:13,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:13,263 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-11 20:36:13,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:36:13,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711342923] [2024-10-11 20:36:13,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711342923] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:36:13,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:36:13,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 20:36:13,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506938584] [2024-10-11 20:36:13,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:36:13,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 20:36:13,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:36:13,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 20:36:13,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-11 20:36:13,264 INFO L87 Difference]: Start difference. First operand 201 states and 238 transitions. Second operand has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 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) [2024-10-11 20:36:13,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:36:13,454 INFO L93 Difference]: Finished difference Result 201 states and 238 transitions. [2024-10-11 20:36:13,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 20:36:13,454 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 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 32 [2024-10-11 20:36:13,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:36:13,455 INFO L225 Difference]: With dead ends: 201 [2024-10-11 20:36:13,455 INFO L226 Difference]: Without dead ends: 199 [2024-10-11 20:36:13,455 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-11 20:36:13,455 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 118 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 264 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:36:13,455 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 199 Invalid, 268 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 264 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:36:13,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2024-10-11 20:36:13,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 199. [2024-10-11 20:36:13,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 150 states have (on average 1.4866666666666666) internal successors, (223), 191 states have internal predecessors, (223), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-11 20:36:13,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 233 transitions. [2024-10-11 20:36:13,461 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 233 transitions. Word has length 32 [2024-10-11 20:36:13,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:36:13,461 INFO L471 AbstractCegarLoop]: Abstraction has 199 states and 233 transitions. [2024-10-11 20:36:13,461 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 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) [2024-10-11 20:36:13,461 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 233 transitions. [2024-10-11 20:36:13,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-10-11 20:36:13,461 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:36:13,462 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-11 20:36:13,462 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-11 20:36:13,462 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:36:13,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:36:13,462 INFO L85 PathProgramCache]: Analyzing trace with hash 607927160, now seen corresponding path program 1 times [2024-10-11 20:36:13,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:36:13,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500464456] [2024-10-11 20:36:13,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:13,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:36:13,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:36:13,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [358109691] [2024-10-11 20:36:13,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:13,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:36:13,482 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:36:13,485 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:36:13,492 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-11 20:36:13,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:13,520 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-11 20:36:13,521 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:36:13,662 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:36:13,663 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:36:13,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:36:13,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500464456] [2024-10-11 20:36:13,663 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:36:13,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [358109691] [2024-10-11 20:36:13,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [358109691] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:36:13,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:36:13,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 20:36:13,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512489354] [2024-10-11 20:36:13,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:36:13,664 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 20:36:13,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:36:13,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 20:36:13,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-11 20:36:13,665 INFO L87 Difference]: Start difference. First operand 199 states and 233 transitions. Second operand has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 7 states have internal predecessors, (26), 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) [2024-10-11 20:36:13,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:36:13,958 INFO L93 Difference]: Finished difference Result 242 states and 287 transitions. [2024-10-11 20:36:13,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 20:36:13,959 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 7 states have internal predecessors, (26), 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 33 [2024-10-11 20:36:13,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:36:13,960 INFO L225 Difference]: With dead ends: 242 [2024-10-11 20:36:13,960 INFO L226 Difference]: Without dead ends: 240 [2024-10-11 20:36:13,960 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:36:13,961 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 353 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 331 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 354 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:36:13,961 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [354 Valid, 125 Invalid, 339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 331 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:36:13,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2024-10-11 20:36:13,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 203. [2024-10-11 20:36:13,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 154 states have (on average 1.4675324675324675) internal successors, (226), 195 states have internal predecessors, (226), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-11 20:36:13,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 236 transitions. [2024-10-11 20:36:13,968 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 236 transitions. Word has length 33 [2024-10-11 20:36:13,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:36:13,969 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 236 transitions. [2024-10-11 20:36:13,969 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 7 states have internal predecessors, (26), 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) [2024-10-11 20:36:13,969 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 236 transitions. [2024-10-11 20:36:13,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-10-11 20:36:13,969 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:36:13,969 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:36:13,981 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-10-11 20:36:14,170 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-10-11 20:36:14,170 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:36:14,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:36:14,170 INFO L85 PathProgramCache]: Analyzing trace with hash 1665872862, now seen corresponding path program 1 times [2024-10-11 20:36:14,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:36:14,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013119693] [2024-10-11 20:36:14,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:14,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:36:14,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:14,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:36:14,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:14,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:36:14,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:14,202 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:36:14,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:36:14,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013119693] [2024-10-11 20:36:14,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013119693] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:36:14,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:36:14,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:36:14,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800782191] [2024-10-11 20:36:14,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:36:14,203 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:36:14,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:36:14,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:36:14,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:36:14,203 INFO L87 Difference]: Start difference. First operand 203 states and 236 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:36:14,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:36:14,440 INFO L93 Difference]: Finished difference Result 222 states and 261 transitions. [2024-10-11 20:36:14,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:36:14,440 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 34 [2024-10-11 20:36:14,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:36:14,441 INFO L225 Difference]: With dead ends: 222 [2024-10-11 20:36:14,441 INFO L226 Difference]: Without dead ends: 220 [2024-10-11 20:36:14,441 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:36:14,442 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 92 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:36:14,442 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 145 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:36:14,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2024-10-11 20:36:14,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 204. [2024-10-11 20:36:14,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 155 states have (on average 1.4580645161290322) internal successors, (226), 196 states have internal predecessors, (226), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-11 20:36:14,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 236 transitions. [2024-10-11 20:36:14,447 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 236 transitions. Word has length 34 [2024-10-11 20:36:14,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:36:14,447 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 236 transitions. [2024-10-11 20:36:14,447 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:36:14,448 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 236 transitions. [2024-10-11 20:36:14,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-10-11 20:36:14,448 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:36:14,448 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:36:14,448 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-11 20:36:14,448 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:36:14,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:36:14,449 INFO L85 PathProgramCache]: Analyzing trace with hash 102451258, now seen corresponding path program 1 times [2024-10-11 20:36:14,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:36:14,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602569451] [2024-10-11 20:36:14,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:14,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:36:14,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:14,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:36:14,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:14,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:36:14,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:14,504 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:36:14,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:36:14,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602569451] [2024-10-11 20:36:14,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602569451] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:36:14,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:36:14,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:36:14,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267752497] [2024-10-11 20:36:14,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:36:14,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:36:14,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:36:14,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:36:14,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:36:14,506 INFO L87 Difference]: Start difference. First operand 204 states and 236 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:36:14,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:36:14,760 INFO L93 Difference]: Finished difference Result 222 states and 259 transitions. [2024-10-11 20:36:14,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:36:14,761 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 35 [2024-10-11 20:36:14,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:36:14,762 INFO L225 Difference]: With dead ends: 222 [2024-10-11 20:36:14,762 INFO L226 Difference]: Without dead ends: 220 [2024-10-11 20:36:14,762 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:36:14,762 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 67 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:36:14,762 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 158 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:36:14,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2024-10-11 20:36:14,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 205. [2024-10-11 20:36:14,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 156 states have (on average 1.4487179487179487) internal successors, (226), 197 states have internal predecessors, (226), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-11 20:36:14,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 236 transitions. [2024-10-11 20:36:14,768 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 236 transitions. Word has length 35 [2024-10-11 20:36:14,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:36:14,768 INFO L471 AbstractCegarLoop]: Abstraction has 205 states and 236 transitions. [2024-10-11 20:36:14,768 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:36:14,768 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 236 transitions. [2024-10-11 20:36:14,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-10-11 20:36:14,768 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:36:14,769 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-11 20:36:14,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-11 20:36:14,769 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:36:14,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:36:14,769 INFO L85 PathProgramCache]: Analyzing trace with hash -1145505025, now seen corresponding path program 1 times [2024-10-11 20:36:14,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:36:14,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169060522] [2024-10-11 20:36:14,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:14,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:36:14,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:14,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:36:14,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:14,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:36:14,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:14,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 20:36:14,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:14,813 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:36:14,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:36:14,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169060522] [2024-10-11 20:36:14,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169060522] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:36:14,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:36:14,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 20:36:14,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075650077] [2024-10-11 20:36:14,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:36:14,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:36:14,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:36:14,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:36:14,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:36:14,815 INFO L87 Difference]: Start difference. First operand 205 states and 236 transitions. Second operand has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-11 20:36:15,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:36:15,009 INFO L93 Difference]: Finished difference Result 222 states and 257 transitions. [2024-10-11 20:36:15,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:36:15,009 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 45 [2024-10-11 20:36:15,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:36:15,010 INFO L225 Difference]: With dead ends: 222 [2024-10-11 20:36:15,010 INFO L226 Difference]: Without dead ends: 220 [2024-10-11 20:36:15,010 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-11 20:36:15,011 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 308 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 308 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:36:15,011 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [308 Valid, 125 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:36:15,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2024-10-11 20:36:15,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 214. [2024-10-11 20:36:15,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 165 states have (on average 1.4303030303030304) internal successors, (236), 206 states have internal predecessors, (236), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-11 20:36:15,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 246 transitions. [2024-10-11 20:36:15,017 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 246 transitions. Word has length 45 [2024-10-11 20:36:15,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:36:15,017 INFO L471 AbstractCegarLoop]: Abstraction has 214 states and 246 transitions. [2024-10-11 20:36:15,018 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-11 20:36:15,018 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 246 transitions. [2024-10-11 20:36:15,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-10-11 20:36:15,018 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:36:15,018 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-11 20:36:15,018 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-11 20:36:15,019 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:36:15,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:36:15,019 INFO L85 PathProgramCache]: Analyzing trace with hash -1150917302, now seen corresponding path program 1 times [2024-10-11 20:36:15,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:36:15,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901512749] [2024-10-11 20:36:15,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:15,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:36:15,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:15,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:36:15,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:15,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:36:15,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:15,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 20:36:15,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:15,059 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:36:15,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:36:15,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901512749] [2024-10-11 20:36:15,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901512749] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:36:15,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:36:15,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:36:15,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348317149] [2024-10-11 20:36:15,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:36:15,061 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:36:15,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:36:15,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:36:15,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:36:15,061 INFO L87 Difference]: Start difference. First operand 214 states and 246 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-11 20:36:15,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:36:15,132 INFO L93 Difference]: Finished difference Result 214 states and 246 transitions. [2024-10-11 20:36:15,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:36:15,132 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 46 [2024-10-11 20:36:15,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:36:15,133 INFO L225 Difference]: With dead ends: 214 [2024-10-11 20:36:15,133 INFO L226 Difference]: Without dead ends: 213 [2024-10-11 20:36:15,134 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:36:15,134 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 65 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:36:15,134 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 147 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:36:15,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2024-10-11 20:36:15,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 213. [2024-10-11 20:36:15,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 165 states have (on average 1.4181818181818182) internal successors, (234), 205 states have internal predecessors, (234), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-11 20:36:15,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 244 transitions. [2024-10-11 20:36:15,140 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 244 transitions. Word has length 46 [2024-10-11 20:36:15,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:36:15,140 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 244 transitions. [2024-10-11 20:36:15,140 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-11 20:36:15,140 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 244 transitions. [2024-10-11 20:36:15,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-10-11 20:36:15,141 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:36:15,141 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-11 20:36:15,141 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-10-11 20:36:15,141 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:36:15,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:36:15,141 INFO L85 PathProgramCache]: Analyzing trace with hash 2070039148, now seen corresponding path program 1 times [2024-10-11 20:36:15,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:36:15,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136653542] [2024-10-11 20:36:15,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:15,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:36:15,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:15,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:36:15,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:15,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:36:15,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:15,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 20:36:15,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:15,183 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:36:15,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:36:15,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136653542] [2024-10-11 20:36:15,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136653542] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:36:15,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:36:15,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:36:15,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869507522] [2024-10-11 20:36:15,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:36:15,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:36:15,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:36:15,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:36:15,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:36:15,185 INFO L87 Difference]: Start difference. First operand 213 states and 244 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-11 20:36:15,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:36:15,281 INFO L93 Difference]: Finished difference Result 228 states and 261 transitions. [2024-10-11 20:36:15,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:36:15,283 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 48 [2024-10-11 20:36:15,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:36:15,284 INFO L225 Difference]: With dead ends: 228 [2024-10-11 20:36:15,284 INFO L226 Difference]: Without dead ends: 226 [2024-10-11 20:36:15,284 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:36:15,285 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 17 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:36:15,285 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 309 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:36:15,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2024-10-11 20:36:15,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 223. [2024-10-11 20:36:15,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 175 states have (on average 1.4114285714285715) internal successors, (247), 215 states have internal predecessors, (247), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-11 20:36:15,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 257 transitions. [2024-10-11 20:36:15,291 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 257 transitions. Word has length 48 [2024-10-11 20:36:15,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:36:15,291 INFO L471 AbstractCegarLoop]: Abstraction has 223 states and 257 transitions. [2024-10-11 20:36:15,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-11 20:36:15,291 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 257 transitions. [2024-10-11 20:36:15,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-10-11 20:36:15,292 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:36:15,292 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-11 20:36:15,292 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-10-11 20:36:15,292 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:36:15,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:36:15,292 INFO L85 PathProgramCache]: Analyzing trace with hash -1643991946, now seen corresponding path program 1 times [2024-10-11 20:36:15,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:36:15,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604989447] [2024-10-11 20:36:15,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:15,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:36:15,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:15,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:36:15,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:15,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:36:15,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:15,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 20:36:15,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:15,367 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:36:15,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:36:15,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604989447] [2024-10-11 20:36:15,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604989447] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:36:15,368 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:36:15,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 20:36:15,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850745707] [2024-10-11 20:36:15,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:36:15,368 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:36:15,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:36:15,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:36:15,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:36:15,369 INFO L87 Difference]: Start difference. First operand 223 states and 257 transitions. Second operand has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-11 20:36:15,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:36:15,562 INFO L93 Difference]: Finished difference Result 224 states and 257 transitions. [2024-10-11 20:36:15,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:36:15,562 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 48 [2024-10-11 20:36:15,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:36:15,563 INFO L225 Difference]: With dead ends: 224 [2024-10-11 20:36:15,563 INFO L226 Difference]: Without dead ends: 223 [2024-10-11 20:36:15,563 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-11 20:36:15,564 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 142 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:36:15,564 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 167 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 212 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:36:15,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2024-10-11 20:36:15,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 223. [2024-10-11 20:36:15,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 175 states have (on average 1.4057142857142857) internal successors, (246), 215 states have internal predecessors, (246), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-11 20:36:15,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 256 transitions. [2024-10-11 20:36:15,570 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 256 transitions. Word has length 48 [2024-10-11 20:36:15,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:36:15,570 INFO L471 AbstractCegarLoop]: Abstraction has 223 states and 256 transitions. [2024-10-11 20:36:15,570 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-11 20:36:15,570 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 256 transitions. [2024-10-11 20:36:15,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-10-11 20:36:15,571 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:36:15,571 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-11 20:36:15,571 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-10-11 20:36:15,571 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:36:15,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:36:15,571 INFO L85 PathProgramCache]: Analyzing trace with hash 575857347, now seen corresponding path program 1 times [2024-10-11 20:36:15,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:36:15,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195783862] [2024-10-11 20:36:15,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:15,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:36:15,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:15,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:36:15,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:15,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:36:15,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:15,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 20:36:15,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:15,624 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:36:15,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:36:15,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195783862] [2024-10-11 20:36:15,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [195783862] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:36:15,624 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:36:15,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:36:15,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722860998] [2024-10-11 20:36:15,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:36:15,625 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:36:15,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:36:15,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:36:15,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:36:15,625 INFO L87 Difference]: Start difference. First operand 223 states and 256 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-11 20:36:15,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:36:15,724 INFO L93 Difference]: Finished difference Result 260 states and 271 transitions. [2024-10-11 20:36:15,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:36:15,724 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 49 [2024-10-11 20:36:15,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:36:15,725 INFO L225 Difference]: With dead ends: 260 [2024-10-11 20:36:15,725 INFO L226 Difference]: Without dead ends: 258 [2024-10-11 20:36:15,726 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:36:15,726 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 56 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:36:15,727 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 306 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:36:15,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2024-10-11 20:36:15,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 231. [2024-10-11 20:36:15,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 183 states have (on average 1.3879781420765027) internal successors, (254), 223 states have internal predecessors, (254), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-11 20:36:15,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 264 transitions. [2024-10-11 20:36:15,733 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 264 transitions. Word has length 49 [2024-10-11 20:36:15,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:36:15,734 INFO L471 AbstractCegarLoop]: Abstraction has 231 states and 264 transitions. [2024-10-11 20:36:15,734 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-11 20:36:15,734 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 264 transitions. [2024-10-11 20:36:15,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-10-11 20:36:15,734 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:36:15,734 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-11 20:36:15,734 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-10-11 20:36:15,735 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:36:15,735 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:36:15,735 INFO L85 PathProgramCache]: Analyzing trace with hash 1395947735, now seen corresponding path program 1 times [2024-10-11 20:36:15,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:36:15,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182761141] [2024-10-11 20:36:15,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:15,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:36:15,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:36:15,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1022985472] [2024-10-11 20:36:15,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:15,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:36:15,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:36:15,751 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:36:15,752 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-11 20:36:15,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:15,784 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-11 20:36:15,785 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:36:15,943 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-11 20:36:15,943 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:36:15,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:36:15,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182761141] [2024-10-11 20:36:15,943 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:36:15,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1022985472] [2024-10-11 20:36:15,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1022985472] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:36:15,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:36:15,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 20:36:15,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199442007] [2024-10-11 20:36:15,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:36:15,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 20:36:15,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:36:15,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 20:36:15,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:36:15,945 INFO L87 Difference]: Start difference. First operand 231 states and 264 transitions. Second operand has 8 states, 7 states have (on average 6.428571428571429) internal successors, (45), 8 states have internal predecessors, (45), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-11 20:36:16,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:36:16,106 INFO L93 Difference]: Finished difference Result 231 states and 264 transitions. [2024-10-11 20:36:16,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 20:36:16,107 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.428571428571429) internal successors, (45), 8 states have internal predecessors, (45), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 51 [2024-10-11 20:36:16,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:36:16,108 INFO L225 Difference]: With dead ends: 231 [2024-10-11 20:36:16,108 INFO L226 Difference]: Without dead ends: 228 [2024-10-11 20:36:16,108 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:36:16,108 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 130 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 397 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:36:16,108 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 330 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 397 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:36:16,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2024-10-11 20:36:16,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 228. [2024-10-11 20:36:16,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 183 states have (on average 1.355191256830601) internal successors, (248), 220 states have internal predecessors, (248), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-11 20:36:16,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 258 transitions. [2024-10-11 20:36:16,114 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 258 transitions. Word has length 51 [2024-10-11 20:36:16,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:36:16,114 INFO L471 AbstractCegarLoop]: Abstraction has 228 states and 258 transitions. [2024-10-11 20:36:16,114 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.428571428571429) internal successors, (45), 8 states have internal predecessors, (45), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-11 20:36:16,114 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 258 transitions. [2024-10-11 20:36:16,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-10-11 20:36:16,115 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:36:16,115 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-11 20:36:16,126 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-10-11 20:36:16,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-10-11 20:36:16,315 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:36:16,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:36:16,316 INFO L85 PathProgramCache]: Analyzing trace with hash 324706881, now seen corresponding path program 1 times [2024-10-11 20:36:16,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:36:16,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747086887] [2024-10-11 20:36:16,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:16,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:36:16,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:36:16,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [590241469] [2024-10-11 20:36:16,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:16,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:36:16,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:36:16,326 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:36:16,327 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-11 20:36:16,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:16,361 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-11 20:36:16,362 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:36:16,524 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-11 20:36:16,524 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:36:17,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:36:17,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747086887] [2024-10-11 20:36:17,222 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:36:17,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [590241469] [2024-10-11 20:36:17,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [590241469] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:36:17,222 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:36:17,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-10-11 20:36:17,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794783502] [2024-10-11 20:36:17,223 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:36:17,223 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 20:36:17,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:36:17,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 20:36:17,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-10-11 20:36:17,224 INFO L87 Difference]: Start difference. First operand 228 states and 258 transitions. Second operand has 8 states, 7 states have (on average 6.571428571428571) internal successors, (46), 8 states have internal predecessors, (46), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-11 20:36:17,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:36:17,417 INFO L93 Difference]: Finished difference Result 320 states and 377 transitions. [2024-10-11 20:36:17,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 20:36:17,418 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.571428571428571) internal successors, (46), 8 states have internal predecessors, (46), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 52 [2024-10-11 20:36:17,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:36:17,419 INFO L225 Difference]: With dead ends: 320 [2024-10-11 20:36:17,419 INFO L226 Difference]: Without dead ends: 318 [2024-10-11 20:36:17,419 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-10-11 20:36:17,420 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 163 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 335 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 335 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:36:17,420 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 313 Invalid, 336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 335 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:36:17,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2024-10-11 20:36:17,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 278. [2024-10-11 20:36:17,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 231 states have (on average 1.3896103896103895) internal successors, (321), 268 states have internal predecessors, (321), 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) [2024-10-11 20:36:17,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 335 transitions. [2024-10-11 20:36:17,433 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 335 transitions. Word has length 52 [2024-10-11 20:36:17,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:36:17,434 INFO L471 AbstractCegarLoop]: Abstraction has 278 states and 335 transitions. [2024-10-11 20:36:17,437 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.571428571428571) internal successors, (46), 8 states have internal predecessors, (46), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-11 20:36:17,437 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 335 transitions. [2024-10-11 20:36:17,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-10-11 20:36:17,438 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:36:17,438 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-11 20:36:17,450 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-10-11 20:36:17,638 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,14 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:36:17,639 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:36:17,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:36:17,639 INFO L85 PathProgramCache]: Analyzing trace with hash 1076398939, now seen corresponding path program 1 times [2024-10-11 20:36:17,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:36:17,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152316837] [2024-10-11 20:36:17,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:17,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:36:17,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:36:17,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [642074308] [2024-10-11 20:36:17,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:17,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:36:17,651 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:36:17,652 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:36:17,653 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-11 20:36:17,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:17,687 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-11 20:36:17,688 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:36:17,881 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-11 20:36:17,881 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:36:18,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:36:18,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152316837] [2024-10-11 20:36:18,014 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:36:18,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [642074308] [2024-10-11 20:36:18,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [642074308] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:36:18,014 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:36:18,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-10-11 20:36:18,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528745616] [2024-10-11 20:36:18,014 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:36:18,014 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 20:36:18,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:36:18,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 20:36:18,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-10-11 20:36:18,016 INFO L87 Difference]: Start difference. First operand 278 states and 335 transitions. Second operand has 9 states, 8 states have (on average 6.125) internal successors, (49), 9 states have internal predecessors, (49), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-11 20:36:18,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:36:18,307 INFO L93 Difference]: Finished difference Result 278 states and 335 transitions. [2024-10-11 20:36:18,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 20:36:18,308 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.125) internal successors, (49), 9 states have internal predecessors, (49), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 55 [2024-10-11 20:36:18,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:36:18,309 INFO L225 Difference]: With dead ends: 278 [2024-10-11 20:36:18,309 INFO L226 Difference]: Without dead ends: 276 [2024-10-11 20:36:18,309 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2024-10-11 20:36:18,310 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 198 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 536 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:36:18,310 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 194 Invalid, 541 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 536 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:36:18,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2024-10-11 20:36:18,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 276. [2024-10-11 20:36:18,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 231 states have (on average 1.3636363636363635) internal successors, (315), 266 states have internal predecessors, (315), 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) [2024-10-11 20:36:18,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 329 transitions. [2024-10-11 20:36:18,319 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 329 transitions. Word has length 55 [2024-10-11 20:36:18,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:36:18,319 INFO L471 AbstractCegarLoop]: Abstraction has 276 states and 329 transitions. [2024-10-11 20:36:18,319 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.125) internal successors, (49), 9 states have internal predecessors, (49), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-11 20:36:18,319 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 329 transitions. [2024-10-11 20:36:18,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-10-11 20:36:18,321 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:36:18,321 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-11 20:36:18,335 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-10-11 20:36:18,524 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-10-11 20:36:18,525 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:36:18,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:36:18,525 INFO L85 PathProgramCache]: Analyzing trace with hash -991371195, now seen corresponding path program 1 times [2024-10-11 20:36:18,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:36:18,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192883711] [2024-10-11 20:36:18,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:18,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:36:18,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:36:18,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [140373769] [2024-10-11 20:36:18,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:18,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:36:18,534 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:36:18,535 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:36:18,536 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-10-11 20:36:18,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:18,569 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-11 20:36:18,570 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:36:18,756 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-11 20:36:18,756 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:36:19,744 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-11 20:36:19,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:36:19,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192883711] [2024-10-11 20:36:19,744 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:36:19,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [140373769] [2024-10-11 20:36:19,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [140373769] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:36:19,745 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 20:36:19,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2024-10-11 20:36:19,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491318680] [2024-10-11 20:36:19,745 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 20:36:19,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-11 20:36:19,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:36:19,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-11 20:36:19,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2024-10-11 20:36:19,746 INFO L87 Difference]: Start difference. First operand 276 states and 329 transitions. Second operand has 17 states, 16 states have (on average 5.75) internal successors, (92), 17 states have internal predecessors, (92), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2024-10-11 20:36:23,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:36:23,839 INFO L93 Difference]: Finished difference Result 422 states and 508 transitions. [2024-10-11 20:36:23,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-11 20:36:23,840 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 5.75) internal successors, (92), 17 states have internal predecessors, (92), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) Word has length 56 [2024-10-11 20:36:23,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:36:23,841 INFO L225 Difference]: With dead ends: 422 [2024-10-11 20:36:23,841 INFO L226 Difference]: Without dead ends: 394 [2024-10-11 20:36:23,842 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=262, Invalid=928, Unknown=0, NotChecked=0, Total=1190 [2024-10-11 20:36:23,842 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 537 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 961 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 537 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 985 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 961 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2024-10-11 20:36:23,842 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [537 Valid, 308 Invalid, 985 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 961 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2024-10-11 20:36:23,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2024-10-11 20:36:23,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 302. [2024-10-11 20:36:23,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 256 states have (on average 1.3671875) internal successors, (350), 291 states have internal predecessors, (350), 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) [2024-10-11 20:36:23,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 366 transitions. [2024-10-11 20:36:23,853 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 366 transitions. Word has length 56 [2024-10-11 20:36:23,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:36:23,853 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 366 transitions. [2024-10-11 20:36:23,853 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 5.75) internal successors, (92), 17 states have internal predecessors, (92), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2024-10-11 20:36:23,853 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 366 transitions. [2024-10-11 20:36:23,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-10-11 20:36:23,853 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:36:23,853 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-11 20:36:23,868 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-10-11 20:36:24,057 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-10-11 20:36:24,058 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:36:24,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:36:24,058 INFO L85 PathProgramCache]: Analyzing trace with hash -1477004917, now seen corresponding path program 1 times [2024-10-11 20:36:24,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:36:24,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969833665] [2024-10-11 20:36:24,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:24,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:36:24,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:36:24,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [658322191] [2024-10-11 20:36:24,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:24,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:36:24,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:36:24,071 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:36:24,072 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-10-11 20:36:24,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:24,106 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-11 20:36:24,107 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:36:24,197 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:36:24,197 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:36:24,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:36:24,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969833665] [2024-10-11 20:36:24,379 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:36:24,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [658322191] [2024-10-11 20:36:24,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [658322191] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:36:24,380 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:36:24,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-10-11 20:36:24,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353033558] [2024-10-11 20:36:24,380 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:36:24,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 20:36:24,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:36:24,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 20:36:24,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:36:24,381 INFO L87 Difference]: Start difference. First operand 302 states and 366 transitions. Second operand has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-11 20:36:24,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:36:24,606 INFO L93 Difference]: Finished difference Result 312 states and 369 transitions. [2024-10-11 20:36:24,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 20:36:24,606 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 57 [2024-10-11 20:36:24,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:36:24,607 INFO L225 Difference]: With dead ends: 312 [2024-10-11 20:36:24,607 INFO L226 Difference]: Without dead ends: 308 [2024-10-11 20:36:24,608 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-10-11 20:36:24,608 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 153 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 385 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:36:24,608 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 346 Invalid, 389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 385 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:36:24,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2024-10-11 20:36:24,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 298. [2024-10-11 20:36:24,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 298 states, 256 states have (on average 1.34375) internal successors, (344), 287 states have internal predecessors, (344), 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) [2024-10-11 20:36:24,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 360 transitions. [2024-10-11 20:36:24,623 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 360 transitions. Word has length 57 [2024-10-11 20:36:24,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:36:24,623 INFO L471 AbstractCegarLoop]: Abstraction has 298 states and 360 transitions. [2024-10-11 20:36:24,623 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-11 20:36:24,623 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 360 transitions. [2024-10-11 20:36:24,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-10-11 20:36:24,624 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:36:24,624 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-11 20:36:24,636 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-10-11 20:36:24,824 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-10-11 20:36:24,824 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:36:24,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:36:24,825 INFO L85 PathProgramCache]: Analyzing trace with hash 1457487889, now seen corresponding path program 1 times [2024-10-11 20:36:24,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:36:24,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896270838] [2024-10-11 20:36:24,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:24,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:36:24,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:36:24,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1114952204] [2024-10-11 20:36:24,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:24,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:36:24,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:36:24,839 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:36:24,840 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-10-11 20:36:24,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:24,878 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-11 20:36:24,879 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:36:25,079 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-11 20:36:25,080 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:36:25,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:36:25,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896270838] [2024-10-11 20:36:25,674 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:36:25,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1114952204] [2024-10-11 20:36:25,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1114952204] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:36:25,674 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:36:25,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-10-11 20:36:25,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046628467] [2024-10-11 20:36:25,675 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:36:25,675 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 20:36:25,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:36:25,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 20:36:25,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-10-11 20:36:25,675 INFO L87 Difference]: Start difference. First operand 298 states and 360 transitions. Second operand has 9 states, 8 states have (on average 6.5) internal successors, (52), 9 states have internal predecessors, (52), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-11 20:36:26,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:36:26,036 INFO L93 Difference]: Finished difference Result 381 states and 453 transitions. [2024-10-11 20:36:26,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 20:36:26,037 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.5) internal successors, (52), 9 states have internal predecessors, (52), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 58 [2024-10-11 20:36:26,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:36:26,038 INFO L225 Difference]: With dead ends: 381 [2024-10-11 20:36:26,038 INFO L226 Difference]: Without dead ends: 379 [2024-10-11 20:36:26,038 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-10-11 20:36:26,039 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 274 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 528 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 446 SdHoareTripleChecker+Invalid, 531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 528 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:36:26,039 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [277 Valid, 446 Invalid, 531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 528 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:36:26,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2024-10-11 20:36:26,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 337. [2024-10-11 20:36:26,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 337 states, 294 states have (on average 1.370748299319728) internal successors, (403), 325 states have internal predecessors, (403), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-11 20:36:26,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 421 transitions. [2024-10-11 20:36:26,049 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 421 transitions. Word has length 58 [2024-10-11 20:36:26,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:36:26,049 INFO L471 AbstractCegarLoop]: Abstraction has 337 states and 421 transitions. [2024-10-11 20:36:26,049 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.5) internal successors, (52), 9 states have internal predecessors, (52), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-11 20:36:26,049 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 421 transitions. [2024-10-11 20:36:26,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-10-11 20:36:26,050 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:36:26,050 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-11 20:36:26,063 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-10-11 20:36:26,250 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,18 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:36:26,250 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:36:26,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:36:26,251 INFO L85 PathProgramCache]: Analyzing trace with hash -1744077345, now seen corresponding path program 1 times [2024-10-11 20:36:26,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:36:26,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101290280] [2024-10-11 20:36:26,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:26,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:36:26,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:36:26,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [573234684] [2024-10-11 20:36:26,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:26,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:36:26,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:36:26,260 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:36:26,262 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-10-11 20:36:26,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:26,295 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:36:26,296 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:36:26,356 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-10-11 20:36:26,356 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:36:26,405 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-10-11 20:36:26,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:36:26,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101290280] [2024-10-11 20:36:26,405 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:36:26,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [573234684] [2024-10-11 20:36:26,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [573234684] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:36:26,405 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 20:36:26,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2024-10-11 20:36:26,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790205068] [2024-10-11 20:36:26,405 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 20:36:26,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 20:36:26,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:36:26,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 20:36:26,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-11 20:36:26,406 INFO L87 Difference]: Start difference. First operand 337 states and 421 transitions. Second operand has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-11 20:36:26,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:36:26,551 INFO L93 Difference]: Finished difference Result 379 states and 449 transitions. [2024-10-11 20:36:26,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 20:36:26,551 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 59 [2024-10-11 20:36:26,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:36:26,552 INFO L225 Difference]: With dead ends: 379 [2024-10-11 20:36:26,552 INFO L226 Difference]: Without dead ends: 377 [2024-10-11 20:36:26,553 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 110 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:36:26,553 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 229 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:36:26,553 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [230 Valid, 225 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:36:26,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2024-10-11 20:36:26,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 337. [2024-10-11 20:36:26,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 337 states, 294 states have (on average 1.3571428571428572) internal successors, (399), 325 states have internal predecessors, (399), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-11 20:36:26,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 417 transitions. [2024-10-11 20:36:26,562 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 417 transitions. Word has length 59 [2024-10-11 20:36:26,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:36:26,563 INFO L471 AbstractCegarLoop]: Abstraction has 337 states and 417 transitions. [2024-10-11 20:36:26,563 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-11 20:36:26,563 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 417 transitions. [2024-10-11 20:36:26,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-10-11 20:36:26,563 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:36:26,563 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-11 20:36:26,575 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-10-11 20:36:26,764 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2024-10-11 20:36:26,764 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:36:26,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:36:26,764 INFO L85 PathProgramCache]: Analyzing trace with hash -1021080799, now seen corresponding path program 1 times [2024-10-11 20:36:26,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:36:26,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127822952] [2024-10-11 20:36:26,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:26,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:36:26,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:36:26,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [455982388] [2024-10-11 20:36:26,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:26,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:36:26,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:36:26,777 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:36:26,778 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-10-11 20:36:26,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:26,814 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-10-11 20:36:26,815 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:36:27,203 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:36:27,203 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:36:27,711 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:36:27,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:36:27,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127822952] [2024-10-11 20:36:27,711 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:36:27,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [455982388] [2024-10-11 20:36:27,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [455982388] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:36:27,712 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 20:36:27,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2024-10-11 20:36:27,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566218664] [2024-10-11 20:36:27,712 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 20:36:27,712 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-10-11 20:36:27,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:36:27,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-10-11 20:36:27,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2024-10-11 20:36:27,713 INFO L87 Difference]: Start difference. First operand 337 states and 417 transitions. Second operand has 19 states, 18 states have (on average 5.5) internal successors, (99), 19 states have internal predecessors, (99), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 6 states have call predecessors, (6), 5 states have call successors, (6) [2024-10-11 20:36:28,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:36:28,712 INFO L93 Difference]: Finished difference Result 381 states and 463 transitions. [2024-10-11 20:36:28,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-11 20:36:28,713 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 5.5) internal successors, (99), 19 states have internal predecessors, (99), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 6 states have call predecessors, (6), 5 states have call successors, (6) Word has length 61 [2024-10-11 20:36:28,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:36:28,714 INFO L225 Difference]: With dead ends: 381 [2024-10-11 20:36:28,714 INFO L226 Difference]: Without dead ends: 379 [2024-10-11 20:36:28,715 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 283 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=367, Invalid=1115, Unknown=0, NotChecked=0, Total=1482 [2024-10-11 20:36:28,715 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 600 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 1167 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 600 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 1194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-11 20:36:28,715 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [600 Valid, 288 Invalid, 1194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1167 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-11 20:36:28,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2024-10-11 20:36:28,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 348. [2024-10-11 20:36:28,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 305 states have (on average 1.3344262295081968) internal successors, (407), 336 states have internal predecessors, (407), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-11 20:36:28,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 425 transitions. [2024-10-11 20:36:28,725 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 425 transitions. Word has length 61 [2024-10-11 20:36:28,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:36:28,726 INFO L471 AbstractCegarLoop]: Abstraction has 348 states and 425 transitions. [2024-10-11 20:36:28,726 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 5.5) internal successors, (99), 19 states have internal predecessors, (99), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 6 states have call predecessors, (6), 5 states have call successors, (6) [2024-10-11 20:36:28,726 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 425 transitions. [2024-10-11 20:36:28,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-10-11 20:36:28,726 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:36:28,726 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-11 20:36:28,738 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-10-11 20:36:28,927 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,20 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:36:28,927 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:36:28,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:36:28,927 INFO L85 PathProgramCache]: Analyzing trace with hash -2097599729, now seen corresponding path program 1 times [2024-10-11 20:36:28,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:36:28,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553641435] [2024-10-11 20:36:28,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:28,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:36:28,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:36:28,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [246711158] [2024-10-11 20:36:28,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:28,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:36:28,935 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:36:28,936 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:36:28,937 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-10-11 20:36:28,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:28,972 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-11 20:36:28,972 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:36:29,066 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:36:29,067 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:36:29,219 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:36:29,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:36:29,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553641435] [2024-10-11 20:36:29,220 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:36:29,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [246711158] [2024-10-11 20:36:29,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [246711158] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:36:29,220 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 20:36:29,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 12 [2024-10-11 20:36:29,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061138299] [2024-10-11 20:36:29,220 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 20:36:29,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-11 20:36:29,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:36:29,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-11 20:36:29,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2024-10-11 20:36:29,221 INFO L87 Difference]: Start difference. First operand 348 states and 425 transitions. Second operand has 13 states, 12 states have (on average 7.75) internal successors, (93), 13 states have internal predecessors, (93), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-11 20:36:30,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:36:30,387 INFO L93 Difference]: Finished difference Result 486 states and 558 transitions. [2024-10-11 20:36:30,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-11 20:36:30,387 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 7.75) internal successors, (93), 13 states have internal predecessors, (93), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 61 [2024-10-11 20:36:30,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:36:30,388 INFO L225 Difference]: With dead ends: 486 [2024-10-11 20:36:30,388 INFO L226 Difference]: Without dead ends: 484 [2024-10-11 20:36:30,389 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=191, Invalid=565, Unknown=0, NotChecked=0, Total=756 [2024-10-11 20:36:30,389 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 831 mSDsluCounter, 469 mSDsCounter, 0 mSdLazyCounter, 1031 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 832 SdHoareTripleChecker+Valid, 547 SdHoareTripleChecker+Invalid, 1071 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 1031 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:36:30,389 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [832 Valid, 547 Invalid, 1071 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 1031 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-11 20:36:30,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2024-10-11 20:36:30,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 385. [2024-10-11 20:36:30,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 385 states, 341 states have (on average 1.343108504398827) internal successors, (458), 372 states have internal predecessors, (458), 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) [2024-10-11 20:36:30,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 478 transitions. [2024-10-11 20:36:30,401 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 478 transitions. Word has length 61 [2024-10-11 20:36:30,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:36:30,401 INFO L471 AbstractCegarLoop]: Abstraction has 385 states and 478 transitions. [2024-10-11 20:36:30,401 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 7.75) internal successors, (93), 13 states have internal predecessors, (93), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-11 20:36:30,401 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 478 transitions. [2024-10-11 20:36:30,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-10-11 20:36:30,402 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:36:30,402 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-11 20:36:30,414 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-10-11 20:36:30,606 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,21 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:36:30,607 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:36:30,607 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:36:30,607 INFO L85 PathProgramCache]: Analyzing trace with hash -1588733621, now seen corresponding path program 1 times [2024-10-11 20:36:30,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:36:30,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30834323] [2024-10-11 20:36:30,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:30,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:36:30,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:30,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:36:30,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:30,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:36:30,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:30,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 20:36:30,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:30,655 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:36:30,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:36:30,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30834323] [2024-10-11 20:36:30,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30834323] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:36:30,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [480591001] [2024-10-11 20:36:30,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:30,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:36:30,656 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:36:30,657 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:36:30,658 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-10-11 20:36:30,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:30,690 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:36:30,691 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:36:30,737 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:36:30,737 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:36:30,797 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:36:30,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [480591001] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:36:30,798 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:36:30,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 10 [2024-10-11 20:36:30,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161420717] [2024-10-11 20:36:30,798 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:36:30,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 20:36:30,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:36:30,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 20:36:30,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-10-11 20:36:30,799 INFO L87 Difference]: Start difference. First operand 385 states and 478 transitions. Second operand has 11 states, 10 states have (on average 12.5) internal successors, (125), 11 states have internal predecessors, (125), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-10-11 20:36:31,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:36:31,107 INFO L93 Difference]: Finished difference Result 388 states and 481 transitions. [2024-10-11 20:36:31,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 20:36:31,107 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 12.5) internal successors, (125), 11 states have internal predecessors, (125), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 62 [2024-10-11 20:36:31,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:36:31,108 INFO L225 Difference]: With dead ends: 388 [2024-10-11 20:36:31,108 INFO L226 Difference]: Without dead ends: 386 [2024-10-11 20:36:31,108 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2024-10-11 20:36:31,109 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 284 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:36:31,109 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [285 Valid, 336 Invalid, 330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 319 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:36:31,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2024-10-11 20:36:31,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 383. [2024-10-11 20:36:31,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 341 states have (on average 1.316715542521994) internal successors, (449), 370 states have internal predecessors, (449), 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) [2024-10-11 20:36:31,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 469 transitions. [2024-10-11 20:36:31,122 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 469 transitions. Word has length 62 [2024-10-11 20:36:31,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:36:31,122 INFO L471 AbstractCegarLoop]: Abstraction has 383 states and 469 transitions. [2024-10-11 20:36:31,122 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 12.5) internal successors, (125), 11 states have internal predecessors, (125), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-10-11 20:36:31,122 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 469 transitions. [2024-10-11 20:36:31,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-10-11 20:36:31,123 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:36:31,123 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-11 20:36:31,136 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-10-11 20:36:31,323 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2024-10-11 20:36:31,324 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:36:31,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:36:31,325 INFO L85 PathProgramCache]: Analyzing trace with hash -601082091, now seen corresponding path program 1 times [2024-10-11 20:36:31,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:36:31,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638835237] [2024-10-11 20:36:31,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:31,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:36:31,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:36:31,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [419180102] [2024-10-11 20:36:31,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:31,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:36:31,333 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:36:31,334 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:36:31,335 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-10-11 20:36:31,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:31,368 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-10-11 20:36:31,368 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:36:31,521 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-11 20:36:31,521 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:36:31,869 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-11 20:36:31,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:36:31,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638835237] [2024-10-11 20:36:31,869 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:36:31,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [419180102] [2024-10-11 20:36:31,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [419180102] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:36:31,869 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 20:36:31,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 15 [2024-10-11 20:36:31,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601087090] [2024-10-11 20:36:31,869 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 20:36:31,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-11 20:36:31,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:36:31,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-11 20:36:31,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2024-10-11 20:36:31,870 INFO L87 Difference]: Start difference. First operand 383 states and 469 transitions. Second operand has 16 states, 15 states have (on average 6.933333333333334) internal successors, (104), 16 states have internal predecessors, (104), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2024-10-11 20:36:33,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:36:33,104 INFO L93 Difference]: Finished difference Result 480 states and 543 transitions. [2024-10-11 20:36:33,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-11 20:36:33,104 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 6.933333333333334) internal successors, (104), 16 states have internal predecessors, (104), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) Word has length 62 [2024-10-11 20:36:33,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:36:33,105 INFO L225 Difference]: With dead ends: 480 [2024-10-11 20:36:33,105 INFO L226 Difference]: Without dead ends: 478 [2024-10-11 20:36:33,106 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=201, Invalid=669, Unknown=0, NotChecked=0, Total=870 [2024-10-11 20:36:33,106 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 1081 mSDsluCounter, 540 mSDsCounter, 0 mSdLazyCounter, 953 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1081 SdHoareTripleChecker+Valid, 616 SdHoareTripleChecker+Invalid, 996 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 953 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:36:33,106 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1081 Valid, 616 Invalid, 996 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 953 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-11 20:36:33,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2024-10-11 20:36:33,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 383. [2024-10-11 20:36:33,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 341 states have (on average 1.3049853372434017) internal successors, (445), 370 states have internal predecessors, (445), 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) [2024-10-11 20:36:33,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 465 transitions. [2024-10-11 20:36:33,132 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 465 transitions. Word has length 62 [2024-10-11 20:36:33,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:36:33,132 INFO L471 AbstractCegarLoop]: Abstraction has 383 states and 465 transitions. [2024-10-11 20:36:33,132 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 6.933333333333334) internal successors, (104), 16 states have internal predecessors, (104), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2024-10-11 20:36:33,132 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 465 transitions. [2024-10-11 20:36:33,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-10-11 20:36:33,133 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:36:33,133 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-11 20:36:33,154 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-10-11 20:36:33,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,23 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:36:33,333 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:36:33,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:36:33,334 INFO L85 PathProgramCache]: Analyzing trace with hash -1453675567, now seen corresponding path program 1 times [2024-10-11 20:36:33,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:36:33,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525647291] [2024-10-11 20:36:33,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:33,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:36:33,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:36:33,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [363537086] [2024-10-11 20:36:33,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:33,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:36:33,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:36:33,345 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:36:33,346 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-10-11 20:36:33,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:33,378 INFO L255 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-11 20:36:33,379 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:36:33,483 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:36:33,483 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:36:33,983 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:36:33,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:36:33,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525647291] [2024-10-11 20:36:33,984 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:36:33,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [363537086] [2024-10-11 20:36:33,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [363537086] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:36:33,984 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 20:36:33,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2024-10-11 20:36:33,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313645569] [2024-10-11 20:36:33,984 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 20:36:33,984 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-11 20:36:33,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:36:33,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-11 20:36:33,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2024-10-11 20:36:33,985 INFO L87 Difference]: Start difference. First operand 383 states and 465 transitions. Second operand has 16 states, 15 states have (on average 6.466666666666667) internal successors, (97), 16 states have internal predecessors, (97), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-11 20:36:35,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:36:35,796 INFO L93 Difference]: Finished difference Result 600 states and 739 transitions. [2024-10-11 20:36:35,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-11 20:36:35,796 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 6.466666666666667) internal successors, (97), 16 states have internal predecessors, (97), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 63 [2024-10-11 20:36:35,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:36:35,798 INFO L225 Difference]: With dead ends: 600 [2024-10-11 20:36:35,798 INFO L226 Difference]: Without dead ends: 598 [2024-10-11 20:36:35,798 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=283, Invalid=907, Unknown=0, NotChecked=0, Total=1190 [2024-10-11 20:36:35,799 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 419 mSDsluCounter, 440 mSDsCounter, 0 mSdLazyCounter, 1037 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 420 SdHoareTripleChecker+Valid, 493 SdHoareTripleChecker+Invalid, 1062 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1037 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-10-11 20:36:35,799 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [420 Valid, 493 Invalid, 1062 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1037 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-10-11 20:36:35,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 598 states. [2024-10-11 20:36:35,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 598 to 489. [2024-10-11 20:36:35,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 489 states, 444 states have (on average 1.322072072072072) internal successors, (587), 473 states have internal predecessors, (587), 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) [2024-10-11 20:36:35,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 613 transitions. [2024-10-11 20:36:35,815 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 613 transitions. Word has length 63 [2024-10-11 20:36:35,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:36:35,816 INFO L471 AbstractCegarLoop]: Abstraction has 489 states and 613 transitions. [2024-10-11 20:36:35,816 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 6.466666666666667) internal successors, (97), 16 states have internal predecessors, (97), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-11 20:36:35,816 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 613 transitions. [2024-10-11 20:36:35,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-10-11 20:36:35,816 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:36:35,816 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-11 20:36:35,828 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-10-11 20:36:36,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,24 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:36:36,017 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:36:36,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:36:36,017 INFO L85 PathProgramCache]: Analyzing trace with hash -2114269545, now seen corresponding path program 1 times [2024-10-11 20:36:36,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:36:36,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112163105] [2024-10-11 20:36:36,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:36,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:36:36,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:36:36,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1612973527] [2024-10-11 20:36:36,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:36,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:36:36,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:36:36,030 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:36:36,031 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-10-11 20:36:36,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:36,064 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-10-11 20:36:36,065 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:36:36,338 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-11 20:36:36,338 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:36:38,113 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-11 20:36:38,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:36:38,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112163105] [2024-10-11 20:36:38,114 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:36:38,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1612973527] [2024-10-11 20:36:38,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1612973527] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:36:38,114 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 20:36:38,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13] total 23 [2024-10-11 20:36:38,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389167250] [2024-10-11 20:36:38,114 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 20:36:38,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-10-11 20:36:38,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:36:38,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-10-11 20:36:38,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=466, Unknown=0, NotChecked=0, Total=552 [2024-10-11 20:36:38,115 INFO L87 Difference]: Start difference. First operand 489 states and 613 transitions. Second operand has 24 states, 23 states have (on average 4.6521739130434785) internal successors, (107), 24 states have internal predecessors, (107), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) [2024-10-11 20:36:43,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:36:43,236 INFO L93 Difference]: Finished difference Result 621 states and 771 transitions. [2024-10-11 20:36:43,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-10-11 20:36:43,236 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 4.6521739130434785) internal successors, (107), 24 states have internal predecessors, (107), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) Word has length 64 [2024-10-11 20:36:43,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:36:43,238 INFO L225 Difference]: With dead ends: 621 [2024-10-11 20:36:43,238 INFO L226 Difference]: Without dead ends: 616 [2024-10-11 20:36:43,239 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1056 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=652, Invalid=3380, Unknown=0, NotChecked=0, Total=4032 [2024-10-11 20:36:43,239 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 912 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 2052 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 912 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 2090 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 2052 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:36:43,240 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [912 Valid, 359 Invalid, 2090 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 2052 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-10-11 20:36:43,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 616 states. [2024-10-11 20:36:43,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 616 to 522. [2024-10-11 20:36:43,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 522 states, 477 states have (on average 1.310272536687631) internal successors, (625), 506 states have internal predecessors, (625), 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) [2024-10-11 20:36:43,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 651 transitions. [2024-10-11 20:36:43,262 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 651 transitions. Word has length 64 [2024-10-11 20:36:43,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:36:43,263 INFO L471 AbstractCegarLoop]: Abstraction has 522 states and 651 transitions. [2024-10-11 20:36:43,263 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 4.6521739130434785) internal successors, (107), 24 states have internal predecessors, (107), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) [2024-10-11 20:36:43,263 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 651 transitions. [2024-10-11 20:36:43,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-10-11 20:36:43,263 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:36:43,263 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-11 20:36:43,275 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-10-11 20:36:43,463 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-10-11 20:36:43,464 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:36:43,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:36:43,464 INFO L85 PathProgramCache]: Analyzing trace with hash -1117846381, now seen corresponding path program 1 times [2024-10-11 20:36:43,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:36:43,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566570279] [2024-10-11 20:36:43,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:43,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:36:43,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:36:43,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [222830613] [2024-10-11 20:36:43,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:43,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:36:43,477 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:36:43,484 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:36:43,485 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-10-11 20:36:43,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:43,521 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-11 20:36:43,523 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:36:43,632 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:36:43,632 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:36:43,835 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:36:43,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:36:43,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566570279] [2024-10-11 20:36:43,835 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:36:43,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [222830613] [2024-10-11 20:36:43,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [222830613] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:36:43,835 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 20:36:43,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2024-10-11 20:36:43,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764249806] [2024-10-11 20:36:43,836 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 20:36:43,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-11 20:36:43,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:36:43,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-11 20:36:43,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-10-11 20:36:43,836 INFO L87 Difference]: Start difference. First operand 522 states and 651 transitions. Second operand has 14 states, 13 states have (on average 7.769230769230769) internal successors, (101), 14 states have internal predecessors, (101), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-11 20:36:45,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:36:45,102 INFO L93 Difference]: Finished difference Result 604 states and 743 transitions. [2024-10-11 20:36:45,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-11 20:36:45,103 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 7.769230769230769) internal successors, (101), 14 states have internal predecessors, (101), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 65 [2024-10-11 20:36:45,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:36:45,104 INFO L225 Difference]: With dead ends: 604 [2024-10-11 20:36:45,104 INFO L226 Difference]: Without dead ends: 602 [2024-10-11 20:36:45,105 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=156, Invalid=656, Unknown=0, NotChecked=0, Total=812 [2024-10-11 20:36:45,105 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 381 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 831 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 382 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 854 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 831 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:36:45,105 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [382 Valid, 366 Invalid, 854 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 831 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-11 20:36:45,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2024-10-11 20:36:45,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 525. [2024-10-11 20:36:45,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 525 states, 480 states have (on average 1.3041666666666667) internal successors, (626), 509 states have internal predecessors, (626), 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) [2024-10-11 20:36:45,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 652 transitions. [2024-10-11 20:36:45,129 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 652 transitions. Word has length 65 [2024-10-11 20:36:45,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:36:45,129 INFO L471 AbstractCegarLoop]: Abstraction has 525 states and 652 transitions. [2024-10-11 20:36:45,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 7.769230769230769) internal successors, (101), 14 states have internal predecessors, (101), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-11 20:36:45,129 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 652 transitions. [2024-10-11 20:36:45,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-10-11 20:36:45,129 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:36:45,129 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:36:45,142 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-10-11 20:36:45,330 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-10-11 20:36:45,330 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:36:45,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:36:45,330 INFO L85 PathProgramCache]: Analyzing trace with hash 687793999, now seen corresponding path program 1 times [2024-10-11 20:36:45,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:36:45,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475864023] [2024-10-11 20:36:45,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:45,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:36:45,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:45,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:36:45,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:45,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:36:45,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:45,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 20:36:45,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:45,387 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:36:45,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:36:45,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475864023] [2024-10-11 20:36:45,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475864023] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:36:45,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1879860811] [2024-10-11 20:36:45,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:45,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:36:45,387 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:36:45,389 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:36:45,390 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-10-11 20:36:45,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:45,422 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:36:45,423 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:36:45,484 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:36:45,484 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:36:45,590 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:36:45,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1879860811] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:36:45,591 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:36:45,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2024-10-11 20:36:45,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001500315] [2024-10-11 20:36:45,591 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:36:45,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 20:36:45,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:36:45,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 20:36:45,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-10-11 20:36:45,592 INFO L87 Difference]: Start difference. First operand 525 states and 652 transitions. Second operand has 9 states, 8 states have (on average 13.75) internal successors, (110), 9 states have internal predecessors, (110), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-11 20:36:45,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:36:45,994 INFO L93 Difference]: Finished difference Result 687 states and 869 transitions. [2024-10-11 20:36:45,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 20:36:45,994 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 13.75) internal successors, (110), 9 states have internal predecessors, (110), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 66 [2024-10-11 20:36:45,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:36:45,996 INFO L225 Difference]: With dead ends: 687 [2024-10-11 20:36:45,996 INFO L226 Difference]: Without dead ends: 685 [2024-10-11 20:36:45,996 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2024-10-11 20:36:45,996 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 132 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 571 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 579 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 571 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 20:36:45,996 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 343 Invalid, 579 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 571 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 20:36:45,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 685 states. [2024-10-11 20:36:46,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 685 to 653. [2024-10-11 20:36:46,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 653 states, 605 states have (on average 1.3289256198347108) internal successors, (804), 634 states have internal predecessors, (804), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-11 20:36:46,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 653 states and 836 transitions. [2024-10-11 20:36:46,017 INFO L78 Accepts]: Start accepts. Automaton has 653 states and 836 transitions. Word has length 66 [2024-10-11 20:36:46,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:36:46,017 INFO L471 AbstractCegarLoop]: Abstraction has 653 states and 836 transitions. [2024-10-11 20:36:46,018 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 13.75) internal successors, (110), 9 states have internal predecessors, (110), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-11 20:36:46,018 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 836 transitions. [2024-10-11 20:36:46,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-10-11 20:36:46,018 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:36:46,018 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-11 20:36:46,030 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-10-11 20:36:46,218 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-10-11 20:36:46,219 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:36:46,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:36:46,219 INFO L85 PathProgramCache]: Analyzing trace with hash -153222425, now seen corresponding path program 1 times [2024-10-11 20:36:46,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:36:46,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704124371] [2024-10-11 20:36:46,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:46,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:36:46,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:46,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:36:46,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:46,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:36:46,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:46,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 20:36:46,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:46,268 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:36:46,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:36:46,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704124371] [2024-10-11 20:36:46,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704124371] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:36:46,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:36:46,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 20:36:46,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070346852] [2024-10-11 20:36:46,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:36:46,269 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:36:46,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:36:46,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:36:46,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:36:46,270 INFO L87 Difference]: Start difference. First operand 653 states and 836 transitions. Second operand has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-11 20:36:46,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:36:46,546 INFO L93 Difference]: Finished difference Result 895 states and 1164 transitions. [2024-10-11 20:36:46,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 20:36:46,546 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 67 [2024-10-11 20:36:46,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:36:46,548 INFO L225 Difference]: With dead ends: 895 [2024-10-11 20:36:46,548 INFO L226 Difference]: Without dead ends: 893 [2024-10-11 20:36:46,548 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-11 20:36:46,549 INFO L432 NwaCegarLoop]: 136 mSDtfsCounter, 84 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 286 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:36:46,549 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 339 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 286 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:36:46,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 893 states. [2024-10-11 20:36:46,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 893 to 826. [2024-10-11 20:36:46,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 826 states, 773 states have (on average 1.3441138421733505) internal successors, (1039), 802 states have internal predecessors, (1039), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-10-11 20:36:46,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 826 states to 826 states and 1081 transitions. [2024-10-11 20:36:46,576 INFO L78 Accepts]: Start accepts. Automaton has 826 states and 1081 transitions. Word has length 67 [2024-10-11 20:36:46,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:36:46,576 INFO L471 AbstractCegarLoop]: Abstraction has 826 states and 1081 transitions. [2024-10-11 20:36:46,576 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-11 20:36:46,576 INFO L276 IsEmpty]: Start isEmpty. Operand 826 states and 1081 transitions. [2024-10-11 20:36:46,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-10-11 20:36:46,576 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:36:46,576 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-11 20:36:46,577 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-10-11 20:36:46,577 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:36:46,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:36:46,577 INFO L85 PathProgramCache]: Analyzing trace with hash -454927791, now seen corresponding path program 1 times [2024-10-11 20:36:46,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:36:46,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937134678] [2024-10-11 20:36:46,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:46,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:36:46,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:46,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:36:46,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:46,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:36:46,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:46,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 20:36:46,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:46,665 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 3 proven. 19 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-11 20:36:46,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:36:46,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937134678] [2024-10-11 20:36:46,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937134678] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:36:46,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2116138616] [2024-10-11 20:36:46,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:46,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:36:46,669 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:36:46,670 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:36:46,671 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-10-11 20:36:46,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:46,705 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-11 20:36:46,706 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:36:46,944 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-11 20:36:46,945 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:36:46,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2116138616] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:36:46,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:36:46,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 11 [2024-10-11 20:36:46,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77671221] [2024-10-11 20:36:46,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:36:46,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 20:36:46,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:36:46,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 20:36:46,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2024-10-11 20:36:46,946 INFO L87 Difference]: Start difference. First operand 826 states and 1081 transitions. Second operand has 8 states, 7 states have (on average 8.857142857142858) internal successors, (62), 8 states have internal predecessors, (62), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-11 20:36:47,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:36:47,213 INFO L93 Difference]: Finished difference Result 843 states and 1096 transitions. [2024-10-11 20:36:47,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 20:36:47,213 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.857142857142858) internal successors, (62), 8 states have internal predecessors, (62), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 68 [2024-10-11 20:36:47,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:36:47,215 INFO L225 Difference]: With dead ends: 843 [2024-10-11 20:36:47,215 INFO L226 Difference]: Without dead ends: 841 [2024-10-11 20:36:47,216 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2024-10-11 20:36:47,216 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 205 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 380 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 380 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:36:47,216 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 241 Invalid, 384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 380 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:36:47,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 841 states. [2024-10-11 20:36:47,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 841 to 834. [2024-10-11 20:36:47,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 834 states, 781 states have (on average 1.3380281690140845) internal successors, (1045), 810 states have internal predecessors, (1045), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-10-11 20:36:47,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 834 states to 834 states and 1087 transitions. [2024-10-11 20:36:47,248 INFO L78 Accepts]: Start accepts. Automaton has 834 states and 1087 transitions. Word has length 68 [2024-10-11 20:36:47,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:36:47,248 INFO L471 AbstractCegarLoop]: Abstraction has 834 states and 1087 transitions. [2024-10-11 20:36:47,248 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.857142857142858) internal successors, (62), 8 states have internal predecessors, (62), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-11 20:36:47,248 INFO L276 IsEmpty]: Start isEmpty. Operand 834 states and 1087 transitions. [2024-10-11 20:36:47,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-10-11 20:36:47,248 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:36:47,248 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-11 20:36:47,269 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2024-10-11 20:36:47,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,28 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:36:47,449 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:36:47,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:36:47,449 INFO L85 PathProgramCache]: Analyzing trace with hash 2036408025, now seen corresponding path program 1 times [2024-10-11 20:36:47,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:36:47,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222175286] [2024-10-11 20:36:47,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:47,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:36:47,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:36:47,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1118929519] [2024-10-11 20:36:47,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:47,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:36:47,457 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:36:47,459 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:36:47,460 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-10-11 20:36:47,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:47,490 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-11 20:36:47,491 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:36:47,665 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:36:47,665 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:36:47,928 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:36:47,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:36:47,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222175286] [2024-10-11 20:36:47,929 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:36:47,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1118929519] [2024-10-11 20:36:47,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1118929519] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:36:47,929 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 20:36:47,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2024-10-11 20:36:47,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864682667] [2024-10-11 20:36:47,929 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 20:36:47,929 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-11 20:36:47,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:36:47,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-11 20:36:47,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2024-10-11 20:36:47,930 INFO L87 Difference]: Start difference. First operand 834 states and 1087 transitions. Second operand has 16 states, 15 states have (on average 7.533333333333333) internal successors, (113), 16 states have internal predecessors, (113), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-11 20:36:49,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:36:49,307 INFO L93 Difference]: Finished difference Result 923 states and 1197 transitions. [2024-10-11 20:36:49,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-10-11 20:36:49,307 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 7.533333333333333) internal successors, (113), 16 states have internal predecessors, (113), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 71 [2024-10-11 20:36:49,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:36:49,310 INFO L225 Difference]: With dead ends: 923 [2024-10-11 20:36:49,310 INFO L226 Difference]: Without dead ends: 921 [2024-10-11 20:36:49,310 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=186, Invalid=626, Unknown=0, NotChecked=0, Total=812 [2024-10-11 20:36:49,310 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 254 mSDsluCounter, 390 mSDsCounter, 0 mSdLazyCounter, 1536 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 438 SdHoareTripleChecker+Invalid, 1557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 1536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:36:49,311 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [255 Valid, 438 Invalid, 1557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 1536 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-11 20:36:49,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 921 states. [2024-10-11 20:36:49,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 921 to 834. [2024-10-11 20:36:49,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 834 states, 781 states have (on average 1.3354673495518565) internal successors, (1043), 810 states have internal predecessors, (1043), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-10-11 20:36:49,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 834 states to 834 states and 1085 transitions. [2024-10-11 20:36:49,350 INFO L78 Accepts]: Start accepts. Automaton has 834 states and 1085 transitions. Word has length 71 [2024-10-11 20:36:49,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:36:49,350 INFO L471 AbstractCegarLoop]: Abstraction has 834 states and 1085 transitions. [2024-10-11 20:36:49,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 7.533333333333333) internal successors, (113), 16 states have internal predecessors, (113), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-11 20:36:49,350 INFO L276 IsEmpty]: Start isEmpty. Operand 834 states and 1085 transitions. [2024-10-11 20:36:49,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-10-11 20:36:49,350 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:36:49,350 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-11 20:36:49,363 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2024-10-11 20:36:49,551 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,29 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:36:49,551 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:36:49,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:36:49,551 INFO L85 PathProgramCache]: Analyzing trace with hash -1295860577, now seen corresponding path program 1 times [2024-10-11 20:36:49,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:36:49,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083801640] [2024-10-11 20:36:49,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:49,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:36:49,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:36:49,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1361987558] [2024-10-11 20:36:49,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:49,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:36:49,564 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:36:49,568 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:36:49,573 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-10-11 20:36:49,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:49,604 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-10-11 20:36:49,605 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:36:49,831 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:36:49,832 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:36:50,337 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-11 20:36:50,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:36:50,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083801640] [2024-10-11 20:36:50,337 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:36:50,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1361987558] [2024-10-11 20:36:50,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1361987558] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:36:50,337 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 20:36:50,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 14 [2024-10-11 20:36:50,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632229287] [2024-10-11 20:36:50,337 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 20:36:50,338 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-11 20:36:50,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:36:50,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-11 20:36:50,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2024-10-11 20:36:50,338 INFO L87 Difference]: Start difference. First operand 834 states and 1085 transitions. Second operand has 15 states, 14 states have (on average 8.071428571428571) internal successors, (113), 15 states have internal predecessors, (113), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-11 20:36:53,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:36:53,870 INFO L93 Difference]: Finished difference Result 846 states and 1098 transitions. [2024-10-11 20:36:53,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-11 20:36:53,871 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 8.071428571428571) internal successors, (113), 15 states have internal predecessors, (113), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 72 [2024-10-11 20:36:53,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:36:53,873 INFO L225 Difference]: With dead ends: 846 [2024-10-11 20:36:53,873 INFO L226 Difference]: Without dead ends: 845 [2024-10-11 20:36:53,874 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=128, Invalid=522, Unknown=0, NotChecked=0, Total=650 [2024-10-11 20:36:53,874 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 265 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 1265 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 1281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:36:53,874 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [265 Valid, 188 Invalid, 1281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1265 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2024-10-11 20:36:53,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 845 states. [2024-10-11 20:36:53,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 845 to 833. [2024-10-11 20:36:53,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 833 states, 781 states have (on average 1.3162612035851473) internal successors, (1028), 809 states have internal predecessors, (1028), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-10-11 20:36:53,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 833 states and 1070 transitions. [2024-10-11 20:36:53,908 INFO L78 Accepts]: Start accepts. Automaton has 833 states and 1070 transitions. Word has length 72 [2024-10-11 20:36:53,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:36:53,909 INFO L471 AbstractCegarLoop]: Abstraction has 833 states and 1070 transitions. [2024-10-11 20:36:53,909 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 8.071428571428571) internal successors, (113), 15 states have internal predecessors, (113), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-11 20:36:53,910 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 1070 transitions. [2024-10-11 20:36:53,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-10-11 20:36:53,910 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:36:53,910 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-11 20:36:53,922 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2024-10-11 20:36:54,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,30 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:36:54,115 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:36:54,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:36:54,115 INFO L85 PathProgramCache]: Analyzing trace with hash -2099405738, now seen corresponding path program 1 times [2024-10-11 20:36:54,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:36:54,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165043914] [2024-10-11 20:36:54,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:54,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:36:54,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:54,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:36:54,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:54,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:36:54,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:54,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 20:36:54,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:54,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 20:36:54,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:54,175 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-11 20:36:54,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:36:54,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165043914] [2024-10-11 20:36:54,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165043914] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:36:54,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1393774291] [2024-10-11 20:36:54,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:54,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:36:54,176 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:36:54,177 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:36:54,179 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-10-11 20:36:54,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:54,214 INFO L255 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:36:54,215 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:36:54,379 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-11 20:36:54,380 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:36:54,477 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-11 20:36:54,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1393774291] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:36:54,477 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:36:54,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2024-10-11 20:36:54,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524855415] [2024-10-11 20:36:54,477 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:36:54,477 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-11 20:36:54,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:36:54,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-11 20:36:54,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-10-11 20:36:54,478 INFO L87 Difference]: Start difference. First operand 833 states and 1070 transitions. Second operand has 13 states, 12 states have (on average 14.916666666666666) internal successors, (179), 13 states have internal predecessors, (179), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-10-11 20:36:54,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:36:54,778 INFO L93 Difference]: Finished difference Result 1191 states and 1512 transitions. [2024-10-11 20:36:54,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 20:36:54,779 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 14.916666666666666) internal successors, (179), 13 states have internal predecessors, (179), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Word has length 78 [2024-10-11 20:36:54,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:36:54,781 INFO L225 Difference]: With dead ends: 1191 [2024-10-11 20:36:54,781 INFO L226 Difference]: Without dead ends: 1189 [2024-10-11 20:36:54,782 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=126, Invalid=254, Unknown=0, NotChecked=0, Total=380 [2024-10-11 20:36:54,782 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 1024 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 425 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1025 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:36:54,782 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1025 Valid, 334 Invalid, 456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 425 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:36:54,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1189 states. [2024-10-11 20:36:54,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1189 to 1033. [2024-10-11 20:36:54,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1033 states, 976 states have (on average 1.3032786885245902) internal successors, (1272), 1003 states have internal predecessors, (1272), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-10-11 20:36:54,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 1033 states and 1326 transitions. [2024-10-11 20:36:54,826 INFO L78 Accepts]: Start accepts. Automaton has 1033 states and 1326 transitions. Word has length 78 [2024-10-11 20:36:54,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:36:54,827 INFO L471 AbstractCegarLoop]: Abstraction has 1033 states and 1326 transitions. [2024-10-11 20:36:54,827 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 14.916666666666666) internal successors, (179), 13 states have internal predecessors, (179), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-10-11 20:36:54,827 INFO L276 IsEmpty]: Start isEmpty. Operand 1033 states and 1326 transitions. [2024-10-11 20:36:54,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-10-11 20:36:54,827 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:36:54,828 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-11 20:36:54,840 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2024-10-11 20:36:55,028 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,31 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:36:55,028 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:36:55,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:36:55,028 INFO L85 PathProgramCache]: Analyzing trace with hash 498464703, now seen corresponding path program 1 times [2024-10-11 20:36:55,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:36:55,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71622260] [2024-10-11 20:36:55,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:55,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:36:55,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:55,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:36:55,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:55,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:36:55,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:55,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 20:36:55,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:55,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 20:36:55,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:55,081 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-11 20:36:55,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:36:55,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71622260] [2024-10-11 20:36:55,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71622260] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:36:55,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [880673903] [2024-10-11 20:36:55,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:55,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:36:55,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:36:55,083 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:36:55,084 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-10-11 20:36:55,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:55,118 INFO L255 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:36:55,119 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:36:55,234 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-11 20:36:55,235 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:36:55,356 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-11 20:36:55,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [880673903] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:36:55,357 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:36:55,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-10-11 20:36:55,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999298852] [2024-10-11 20:36:55,357 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:36:55,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 20:36:55,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:36:55,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 20:36:55,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:36:55,358 INFO L87 Difference]: Start difference. First operand 1033 states and 1326 transitions. Second operand has 10 states, 9 states have (on average 17.555555555555557) internal successors, (158), 10 states have internal predecessors, (158), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2024-10-11 20:36:56,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:36:56,005 INFO L93 Difference]: Finished difference Result 1525 states and 1935 transitions. [2024-10-11 20:36:56,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-11 20:36:56,006 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 17.555555555555557) internal successors, (158), 10 states have internal predecessors, (158), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) Word has length 81 [2024-10-11 20:36:56,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:36:56,009 INFO L225 Difference]: With dead ends: 1525 [2024-10-11 20:36:56,009 INFO L226 Difference]: Without dead ends: 1524 [2024-10-11 20:36:56,009 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=177, Unknown=0, NotChecked=0, Total=272 [2024-10-11 20:36:56,009 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 373 mSDsluCounter, 457 mSDsCounter, 0 mSdLazyCounter, 690 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 373 SdHoareTripleChecker+Valid, 590 SdHoareTripleChecker+Invalid, 703 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 690 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 20:36:56,009 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [373 Valid, 590 Invalid, 703 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 690 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 20:36:56,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1524 states. [2024-10-11 20:36:56,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1524 to 1292. [2024-10-11 20:36:56,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1292 states, 1227 states have (on average 1.3039934800325998) internal successors, (1600), 1254 states have internal predecessors, (1600), 35 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-10-11 20:36:56,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1292 states to 1292 states and 1670 transitions. [2024-10-11 20:36:56,067 INFO L78 Accepts]: Start accepts. Automaton has 1292 states and 1670 transitions. Word has length 81 [2024-10-11 20:36:56,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:36:56,067 INFO L471 AbstractCegarLoop]: Abstraction has 1292 states and 1670 transitions. [2024-10-11 20:36:56,068 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 17.555555555555557) internal successors, (158), 10 states have internal predecessors, (158), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2024-10-11 20:36:56,068 INFO L276 IsEmpty]: Start isEmpty. Operand 1292 states and 1670 transitions. [2024-10-11 20:36:56,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-10-11 20:36:56,068 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:36:56,068 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-11 20:36:56,080 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2024-10-11 20:36:56,268 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2024-10-11 20:36:56,269 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:36:56,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:36:56,269 INFO L85 PathProgramCache]: Analyzing trace with hash 1738350956, now seen corresponding path program 1 times [2024-10-11 20:36:56,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:36:56,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399945925] [2024-10-11 20:36:56,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:56,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:36:56,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:56,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:36:56,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:56,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:36:56,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:56,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 20:36:56,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:56,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 20:36:56,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:56,322 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-11 20:36:56,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:36:56,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399945925] [2024-10-11 20:36:56,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399945925] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:36:56,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [100690875] [2024-10-11 20:36:56,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:56,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:36:56,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:36:56,325 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:36:56,325 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-10-11 20:36:56,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:56,362 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:36:56,364 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:36:56,419 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-11 20:36:56,419 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:36:56,494 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-11 20:36:56,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [100690875] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:36:56,494 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:36:56,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-10-11 20:36:56,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699969506] [2024-10-11 20:36:56,495 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:36:56,495 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 20:36:56,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:36:56,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 20:36:56,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-11 20:36:56,496 INFO L87 Difference]: Start difference. First operand 1292 states and 1670 transitions. Second operand has 12 states, 11 states have (on average 14.0) internal successors, (154), 12 states have internal predecessors, (154), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2024-10-11 20:36:56,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:36:56,690 INFO L93 Difference]: Finished difference Result 1570 states and 2010 transitions. [2024-10-11 20:36:56,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 20:36:56,691 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 14.0) internal successors, (154), 12 states have internal predecessors, (154), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) Word has length 82 [2024-10-11 20:36:56,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:36:56,694 INFO L225 Difference]: With dead ends: 1570 [2024-10-11 20:36:56,694 INFO L226 Difference]: Without dead ends: 1569 [2024-10-11 20:36:56,695 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-11 20:36:56,695 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 70 mSDsluCounter, 564 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 654 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:36:56,695 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 654 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:36:56,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1569 states. [2024-10-11 20:36:56,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1569 to 1519. [2024-10-11 20:36:56,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1519 states, 1449 states have (on average 1.2864044168391995) internal successors, (1864), 1476 states have internal predecessors, (1864), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-10-11 20:36:56,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1519 states to 1519 states and 1944 transitions. [2024-10-11 20:36:56,757 INFO L78 Accepts]: Start accepts. Automaton has 1519 states and 1944 transitions. Word has length 82 [2024-10-11 20:36:56,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:36:56,757 INFO L471 AbstractCegarLoop]: Abstraction has 1519 states and 1944 transitions. [2024-10-11 20:36:56,758 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 14.0) internal successors, (154), 12 states have internal predecessors, (154), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2024-10-11 20:36:56,758 INFO L276 IsEmpty]: Start isEmpty. Operand 1519 states and 1944 transitions. [2024-10-11 20:36:56,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-10-11 20:36:56,758 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:36:56,758 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-11 20:36:56,770 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2024-10-11 20:36:56,958 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2024-10-11 20:36:56,959 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:36:56,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:36:56,959 INFO L85 PathProgramCache]: Analyzing trace with hash -1801960399, now seen corresponding path program 1 times [2024-10-11 20:36:56,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:36:56,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103780403] [2024-10-11 20:36:56,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:56,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:36:56,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:57,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:36:57,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:57,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:36:57,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:57,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 20:36:57,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:57,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-11 20:36:57,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:57,035 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-11 20:36:57,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:36:57,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103780403] [2024-10-11 20:36:57,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103780403] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:36:57,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1779025950] [2024-10-11 20:36:57,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:57,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:36:57,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:36:57,037 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:36:57,038 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-10-11 20:36:57,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:57,073 INFO L255 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-11 20:36:57,074 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:36:57,302 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-11 20:36:57,303 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:36:57,503 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-11 20:36:57,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1779025950] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:36:57,503 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:36:57,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 7] total 17 [2024-10-11 20:36:57,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698442642] [2024-10-11 20:36:57,503 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:36:57,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-10-11 20:36:57,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:36:57,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-10-11 20:36:57,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=230, Unknown=0, NotChecked=0, Total=306 [2024-10-11 20:36:57,504 INFO L87 Difference]: Start difference. First operand 1519 states and 1944 transitions. Second operand has 18 states, 17 states have (on average 11.470588235294118) internal successors, (195), 18 states have internal predecessors, (195), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-11 20:36:58,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:36:58,151 INFO L93 Difference]: Finished difference Result 1612 states and 2034 transitions. [2024-10-11 20:36:58,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-11 20:36:58,152 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 11.470588235294118) internal successors, (195), 18 states have internal predecessors, (195), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Word has length 85 [2024-10-11 20:36:58,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:36:58,156 INFO L225 Difference]: With dead ends: 1612 [2024-10-11 20:36:58,156 INFO L226 Difference]: Without dead ends: 1611 [2024-10-11 20:36:58,156 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=332, Invalid=790, Unknown=0, NotChecked=0, Total=1122 [2024-10-11 20:36:58,157 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 463 mSDsluCounter, 521 mSDsCounter, 0 mSdLazyCounter, 933 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 464 SdHoareTripleChecker+Valid, 587 SdHoareTripleChecker+Invalid, 955 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 933 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 20:36:58,157 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [464 Valid, 587 Invalid, 955 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 933 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 20:36:58,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1611 states. [2024-10-11 20:36:58,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1611 to 1525. [2024-10-11 20:36:58,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1525 states, 1455 states have (on average 1.2824742268041238) internal successors, (1866), 1482 states have internal predecessors, (1866), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-10-11 20:36:58,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1525 states to 1525 states and 1946 transitions. [2024-10-11 20:36:58,219 INFO L78 Accepts]: Start accepts. Automaton has 1525 states and 1946 transitions. Word has length 85 [2024-10-11 20:36:58,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:36:58,220 INFO L471 AbstractCegarLoop]: Abstraction has 1525 states and 1946 transitions. [2024-10-11 20:36:58,220 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 11.470588235294118) internal successors, (195), 18 states have internal predecessors, (195), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-11 20:36:58,220 INFO L276 IsEmpty]: Start isEmpty. Operand 1525 states and 1946 transitions. [2024-10-11 20:36:58,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-10-11 20:36:58,220 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:36:58,220 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-11 20:36:58,232 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2024-10-11 20:36:58,420 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46,34 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:36:58,421 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:36:58,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:36:58,421 INFO L85 PathProgramCache]: Analyzing trace with hash -1903468058, now seen corresponding path program 1 times [2024-10-11 20:36:58,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:36:58,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741848292] [2024-10-11 20:36:58,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:58,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:36:58,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:36:58,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [726744869] [2024-10-11 20:36:58,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:58,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:36:58,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:36:58,445 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:36:58,447 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-10-11 20:36:58,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:58,485 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-10-11 20:36:58,486 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:36:58,623 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-11 20:36:58,623 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:36:59,158 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-11 20:36:59,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:36:59,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741848292] [2024-10-11 20:36:59,158 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:36:59,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [726744869] [2024-10-11 20:36:59,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [726744869] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:36:59,158 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 20:36:59,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2024-10-11 20:36:59,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001399394] [2024-10-11 20:36:59,158 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 20:36:59,159 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-11 20:36:59,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:36:59,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-11 20:36:59,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2024-10-11 20:36:59,159 INFO L87 Difference]: Start difference. First operand 1525 states and 1946 transitions. Second operand has 14 states, 13 states have (on average 10.23076923076923) internal successors, (133), 14 states have internal predecessors, (133), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-10-11 20:37:00,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:37:00,720 INFO L93 Difference]: Finished difference Result 1542 states and 1959 transitions. [2024-10-11 20:37:00,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-11 20:37:00,720 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 10.23076923076923) internal successors, (133), 14 states have internal predecessors, (133), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 86 [2024-10-11 20:37:00,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:37:00,723 INFO L225 Difference]: With dead ends: 1542 [2024-10-11 20:37:00,723 INFO L226 Difference]: Without dead ends: 1540 [2024-10-11 20:37:00,724 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=119, Invalid=481, Unknown=0, NotChecked=0, Total=600 [2024-10-11 20:37:00,724 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 261 mSDsluCounter, 460 mSDsCounter, 0 mSdLazyCounter, 659 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 531 SdHoareTripleChecker+Invalid, 669 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 659 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:37:00,724 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [262 Valid, 531 Invalid, 669 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 659 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-11 20:37:00,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1540 states. [2024-10-11 20:37:00,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1540 to 1525. [2024-10-11 20:37:00,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1525 states, 1455 states have (on average 1.2790378006872851) internal successors, (1861), 1482 states have internal predecessors, (1861), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-10-11 20:37:00,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1525 states to 1525 states and 1941 transitions. [2024-10-11 20:37:00,791 INFO L78 Accepts]: Start accepts. Automaton has 1525 states and 1941 transitions. Word has length 86 [2024-10-11 20:37:00,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:37:00,791 INFO L471 AbstractCegarLoop]: Abstraction has 1525 states and 1941 transitions. [2024-10-11 20:37:00,791 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 10.23076923076923) internal successors, (133), 14 states have internal predecessors, (133), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-10-11 20:37:00,791 INFO L276 IsEmpty]: Start isEmpty. Operand 1525 states and 1941 transitions. [2024-10-11 20:37:00,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-10-11 20:37:00,792 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:37:00,792 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-11 20:37:00,803 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2024-10-11 20:37:00,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2024-10-11 20:37:00,992 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:37:00,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:37:00,993 INFO L85 PathProgramCache]: Analyzing trace with hash -812119277, now seen corresponding path program 1 times [2024-10-11 20:37:00,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:37:00,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170029361] [2024-10-11 20:37:00,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:37:00,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:37:00,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:01,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:37:01,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:01,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:37:01,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:01,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 20:37:01,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:01,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-11 20:37:01,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:01,049 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-11 20:37:01,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:37:01,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170029361] [2024-10-11 20:37:01,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [170029361] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:37:01,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1225110171] [2024-10-11 20:37:01,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:37:01,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:37:01,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:37:01,051 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:37:01,052 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-10-11 20:37:01,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:01,089 INFO L255 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:37:01,090 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:37:01,148 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-11 20:37:01,148 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:37:01,227 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-11 20:37:01,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1225110171] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:37:01,227 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:37:01,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-10-11 20:37:01,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860136620] [2024-10-11 20:37:01,227 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:37:01,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 20:37:01,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:37:01,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 20:37:01,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-11 20:37:01,228 INFO L87 Difference]: Start difference. First operand 1525 states and 1941 transitions. Second operand has 12 states, 11 states have (on average 15.0) internal successors, (165), 12 states have internal predecessors, (165), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2024-10-11 20:37:01,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:37:01,405 INFO L93 Difference]: Finished difference Result 2054 states and 2602 transitions. [2024-10-11 20:37:01,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 20:37:01,405 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 15.0) internal successors, (165), 12 states have internal predecessors, (165), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) Word has length 87 [2024-10-11 20:37:01,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:37:01,410 INFO L225 Difference]: With dead ends: 2054 [2024-10-11 20:37:01,410 INFO L226 Difference]: Without dead ends: 2053 [2024-10-11 20:37:01,410 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-11 20:37:01,411 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 300 mSDsluCounter, 565 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 300 SdHoareTripleChecker+Valid, 663 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:37:01,411 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [300 Valid, 663 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:37:01,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2053 states. [2024-10-11 20:37:01,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2053 to 1840. [2024-10-11 20:37:01,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1840 states, 1761 states have (on average 1.2879045996592844) internal successors, (2268), 1788 states have internal predecessors, (2268), 49 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2024-10-11 20:37:01,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1840 states to 1840 states and 2366 transitions. [2024-10-11 20:37:01,489 INFO L78 Accepts]: Start accepts. Automaton has 1840 states and 2366 transitions. Word has length 87 [2024-10-11 20:37:01,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:37:01,490 INFO L471 AbstractCegarLoop]: Abstraction has 1840 states and 2366 transitions. [2024-10-11 20:37:01,490 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 15.0) internal successors, (165), 12 states have internal predecessors, (165), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2024-10-11 20:37:01,490 INFO L276 IsEmpty]: Start isEmpty. Operand 1840 states and 2366 transitions. [2024-10-11 20:37:01,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-10-11 20:37:01,490 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:37:01,491 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:37:01,503 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Ended with exit code 0 [2024-10-11 20:37:01,692 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2024-10-11 20:37:01,692 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:37:01,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:37:01,692 INFO L85 PathProgramCache]: Analyzing trace with hash 295167100, now seen corresponding path program 1 times [2024-10-11 20:37:01,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:37:01,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161154899] [2024-10-11 20:37:01,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:37:01,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:37:01,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:37:01,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1859492239] [2024-10-11 20:37:01,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:37:01,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:37:01,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:37:01,704 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:37:01,704 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-10-11 20:37:01,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:01,745 INFO L255 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-10-11 20:37:01,746 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:37:02,100 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-11 20:37:02,100 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:37:02,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:37:02,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161154899] [2024-10-11 20:37:02,786 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:37:02,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1859492239] [2024-10-11 20:37:02,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1859492239] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:37:02,786 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:37:02,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-10-11 20:37:02,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644765460] [2024-10-11 20:37:02,786 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:37:02,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 20:37:02,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:37:02,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 20:37:02,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2024-10-11 20:37:02,787 INFO L87 Difference]: Start difference. First operand 1840 states and 2366 transitions. Second operand has 12 states, 11 states have (on average 7.090909090909091) internal successors, (78), 12 states have internal predecessors, (78), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-11 20:37:03,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:37:03,454 INFO L93 Difference]: Finished difference Result 1883 states and 2398 transitions. [2024-10-11 20:37:03,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-11 20:37:03,455 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.090909090909091) internal successors, (78), 12 states have internal predecessors, (78), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 89 [2024-10-11 20:37:03,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:37:03,459 INFO L225 Difference]: With dead ends: 1883 [2024-10-11 20:37:03,459 INFO L226 Difference]: Without dead ends: 1879 [2024-10-11 20:37:03,460 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=113, Invalid=439, Unknown=0, NotChecked=0, Total=552 [2024-10-11 20:37:03,460 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 207 mSDsluCounter, 682 mSDsCounter, 0 mSdLazyCounter, 1299 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 776 SdHoareTripleChecker+Invalid, 1309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 20:37:03,460 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [208 Valid, 776 Invalid, 1309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1299 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 20:37:03,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1879 states. [2024-10-11 20:37:03,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1879 to 1832. [2024-10-11 20:37:03,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1832 states, 1753 states have (on average 1.2835139760410725) internal successors, (2250), 1780 states have internal predecessors, (2250), 49 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2024-10-11 20:37:03,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1832 states to 1832 states and 2348 transitions. [2024-10-11 20:37:03,543 INFO L78 Accepts]: Start accepts. Automaton has 1832 states and 2348 transitions. Word has length 89 [2024-10-11 20:37:03,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:37:03,544 INFO L471 AbstractCegarLoop]: Abstraction has 1832 states and 2348 transitions. [2024-10-11 20:37:03,544 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.090909090909091) internal successors, (78), 12 states have internal predecessors, (78), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-11 20:37:03,544 INFO L276 IsEmpty]: Start isEmpty. Operand 1832 states and 2348 transitions. [2024-10-11 20:37:03,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-10-11 20:37:03,544 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:37:03,544 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:37:03,557 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2024-10-11 20:37:03,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2024-10-11 20:37:03,749 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:37:03,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:37:03,749 INFO L85 PathProgramCache]: Analyzing trace with hash 32804096, now seen corresponding path program 1 times [2024-10-11 20:37:03,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:37:03,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678889881] [2024-10-11 20:37:03,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:37:03,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:37:03,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:37:03,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [664971318] [2024-10-11 20:37:03,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:37:03,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:37:03,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:37:03,760 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:37:03,761 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-10-11 20:37:03,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:03,796 INFO L255 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-10-11 20:37:03,798 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:37:04,076 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-11 20:37:04,076 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:37:05,827 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-11 20:37:05,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:37:05,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678889881] [2024-10-11 20:37:05,828 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:37:05,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [664971318] [2024-10-11 20:37:05,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [664971318] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:37:05,828 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 20:37:05,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 22 [2024-10-11 20:37:05,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154030534] [2024-10-11 20:37:05,828 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 20:37:05,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-10-11 20:37:05,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:37:05,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-10-11 20:37:05,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=434, Unknown=0, NotChecked=0, Total=506 [2024-10-11 20:37:05,829 INFO L87 Difference]: Start difference. First operand 1832 states and 2348 transitions. Second operand has 23 states, 22 states have (on average 7.090909090909091) internal successors, (156), 23 states have internal predecessors, (156), 7 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 6 states have call predecessors, (8), 7 states have call successors, (8) [2024-10-11 20:37:14,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:37:14,823 INFO L93 Difference]: Finished difference Result 2060 states and 2622 transitions. [2024-10-11 20:37:14,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-10-11 20:37:14,824 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 7.090909090909091) internal successors, (156), 23 states have internal predecessors, (156), 7 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 6 states have call predecessors, (8), 7 states have call successors, (8) Word has length 93 [2024-10-11 20:37:14,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:37:14,828 INFO L225 Difference]: With dead ends: 2060 [2024-10-11 20:37:14,828 INFO L226 Difference]: Without dead ends: 2056 [2024-10-11 20:37:14,829 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 525 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=534, Invalid=2222, Unknown=0, NotChecked=0, Total=2756 [2024-10-11 20:37:14,829 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 1011 mSDsluCounter, 545 mSDsCounter, 0 mSdLazyCounter, 2090 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1011 SdHoareTripleChecker+Valid, 600 SdHoareTripleChecker+Invalid, 2140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 2090 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:37:14,829 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1011 Valid, 600 Invalid, 2140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 2090 Invalid, 0 Unknown, 0 Unchecked, 7.3s Time] [2024-10-11 20:37:14,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2056 states. [2024-10-11 20:37:14,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2056 to 1947. [2024-10-11 20:37:14,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1947 states, 1864 states have (on average 1.2682403433476395) internal successors, (2364), 1891 states have internal predecessors, (2364), 53 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2024-10-11 20:37:14,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1947 states to 1947 states and 2470 transitions. [2024-10-11 20:37:14,912 INFO L78 Accepts]: Start accepts. Automaton has 1947 states and 2470 transitions. Word has length 93 [2024-10-11 20:37:14,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:37:14,912 INFO L471 AbstractCegarLoop]: Abstraction has 1947 states and 2470 transitions. [2024-10-11 20:37:14,912 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 7.090909090909091) internal successors, (156), 23 states have internal predecessors, (156), 7 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 6 states have call predecessors, (8), 7 states have call successors, (8) [2024-10-11 20:37:14,912 INFO L276 IsEmpty]: Start isEmpty. Operand 1947 states and 2470 transitions. [2024-10-11 20:37:14,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-10-11 20:37:14,913 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:37:14,913 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1] [2024-10-11 20:37:14,925 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2024-10-11 20:37:15,113 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable50 [2024-10-11 20:37:15,113 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:37:15,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:37:15,114 INFO L85 PathProgramCache]: Analyzing trace with hash -2115616630, now seen corresponding path program 1 times [2024-10-11 20:37:15,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:37:15,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135579584] [2024-10-11 20:37:15,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:37:15,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:37:15,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:15,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:37:15,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:15,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:37:15,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:15,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 20:37:15,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:15,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 20:37:15,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:15,248 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-11 20:37:15,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:37:15,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135579584] [2024-10-11 20:37:15,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135579584] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:37:15,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [782595310] [2024-10-11 20:37:15,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:37:15,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:37:15,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:37:15,250 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:37:15,250 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2024-10-11 20:37:15,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:15,290 INFO L255 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-11 20:37:15,291 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:37:15,593 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-11 20:37:15,594 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:37:15,757 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-11 20:37:15,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [782595310] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:37:15,758 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:37:15,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 22 [2024-10-11 20:37:15,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866265358] [2024-10-11 20:37:15,758 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:37:15,758 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-10-11 20:37:15,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:37:15,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-10-11 20:37:15,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=437, Unknown=0, NotChecked=0, Total=506 [2024-10-11 20:37:15,759 INFO L87 Difference]: Start difference. First operand 1947 states and 2470 transitions. Second operand has 23 states, 22 states have (on average 10.045454545454545) internal successors, (221), 23 states have internal predecessors, (221), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2024-10-11 20:37:16,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:37:16,633 INFO L93 Difference]: Finished difference Result 1981 states and 2506 transitions. [2024-10-11 20:37:16,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-11 20:37:16,633 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 10.045454545454545) internal successors, (221), 23 states have internal predecessors, (221), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) Word has length 95 [2024-10-11 20:37:16,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:37:16,648 INFO L225 Difference]: With dead ends: 1981 [2024-10-11 20:37:16,648 INFO L226 Difference]: Without dead ends: 1980 [2024-10-11 20:37:16,649 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 259 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=241, Invalid=1319, Unknown=0, NotChecked=0, Total=1560 [2024-10-11 20:37:16,649 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 208 mSDsluCounter, 572 mSDsCounter, 0 mSdLazyCounter, 1391 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 637 SdHoareTripleChecker+Invalid, 1402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 20:37:16,649 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [208 Valid, 637 Invalid, 1402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1391 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 20:37:16,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1980 states. [2024-10-11 20:37:16,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1980 to 1968. [2024-10-11 20:37:16,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1968 states, 1885 states have (on average 1.2657824933687003) internal successors, (2386), 1912 states have internal predecessors, (2386), 53 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2024-10-11 20:37:16,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1968 states to 1968 states and 2492 transitions. [2024-10-11 20:37:16,731 INFO L78 Accepts]: Start accepts. Automaton has 1968 states and 2492 transitions. Word has length 95 [2024-10-11 20:37:16,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:37:16,734 INFO L471 AbstractCegarLoop]: Abstraction has 1968 states and 2492 transitions. [2024-10-11 20:37:16,734 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 10.045454545454545) internal successors, (221), 23 states have internal predecessors, (221), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2024-10-11 20:37:16,734 INFO L276 IsEmpty]: Start isEmpty. Operand 1968 states and 2492 transitions. [2024-10-11 20:37:16,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-11 20:37:16,735 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:37:16,735 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:37:16,747 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Ended with exit code 0 [2024-10-11 20:37:16,935 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,39 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:37:16,935 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:37:16,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:37:16,936 INFO L85 PathProgramCache]: Analyzing trace with hash 2078295400, now seen corresponding path program 1 times [2024-10-11 20:37:16,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:37:16,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009957712] [2024-10-11 20:37:16,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:37:16,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:37:16,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:37:16,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [597180548] [2024-10-11 20:37:16,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:37:16,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:37:16,948 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:37:16,950 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:37:16,952 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2024-10-11 20:37:16,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:16,990 INFO L255 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-11 20:37:16,991 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:37:17,182 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-11 20:37:17,182 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:37:17,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:37:17,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009957712] [2024-10-11 20:37:17,898 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:37:17,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [597180548] [2024-10-11 20:37:17,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [597180548] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:37:17,898 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:37:17,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-10-11 20:37:17,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557568110] [2024-10-11 20:37:17,898 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:37:17,899 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 20:37:17,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:37:17,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 20:37:17,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=385, Unknown=1, NotChecked=0, Total=462 [2024-10-11 20:37:17,899 INFO L87 Difference]: Start difference. First operand 1968 states and 2492 transitions. Second operand has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 12 states have internal predecessors, (82), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-11 20:37:18,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:37:18,448 INFO L93 Difference]: Finished difference Result 1997 states and 2522 transitions. [2024-10-11 20:37:18,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-11 20:37:18,449 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 12 states have internal predecessors, (82), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 96 [2024-10-11 20:37:18,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:37:18,462 INFO L225 Difference]: With dead ends: 1997 [2024-10-11 20:37:18,463 INFO L226 Difference]: Without dead ends: 1995 [2024-10-11 20:37:18,463 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=108, Invalid=491, Unknown=1, NotChecked=0, Total=600 [2024-10-11 20:37:18,464 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 114 mSDsluCounter, 687 mSDsCounter, 0 mSdLazyCounter, 1165 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 813 SdHoareTripleChecker+Invalid, 1170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 20:37:18,464 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 813 Invalid, 1170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1165 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 20:37:18,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1995 states. [2024-10-11 20:37:18,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1995 to 1977. [2024-10-11 20:37:18,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1977 states, 1894 states have (on average 1.2650475184794086) internal successors, (2396), 1921 states have internal predecessors, (2396), 53 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2024-10-11 20:37:18,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1977 states to 1977 states and 2502 transitions. [2024-10-11 20:37:18,546 INFO L78 Accepts]: Start accepts. Automaton has 1977 states and 2502 transitions. Word has length 96 [2024-10-11 20:37:18,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:37:18,546 INFO L471 AbstractCegarLoop]: Abstraction has 1977 states and 2502 transitions. [2024-10-11 20:37:18,546 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 12 states have internal predecessors, (82), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-11 20:37:18,546 INFO L276 IsEmpty]: Start isEmpty. Operand 1977 states and 2502 transitions. [2024-10-11 20:37:18,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-11 20:37:18,546 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:37:18,547 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1] [2024-10-11 20:37:18,559 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Forceful destruction successful, exit code 0 [2024-10-11 20:37:18,747 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,40 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:37:18,747 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:37:18,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:37:18,747 INFO L85 PathProgramCache]: Analyzing trace with hash -1159605914, now seen corresponding path program 1 times [2024-10-11 20:37:18,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:37:18,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047674697] [2024-10-11 20:37:18,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:37:18,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:37:18,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:18,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:37:18,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:18,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:37:18,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:18,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 20:37:18,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:18,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 20:37:18,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:18,794 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-10-11 20:37:18,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:37:18,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047674697] [2024-10-11 20:37:18,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047674697] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:37:18,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:37:18,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:37:18,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596906464] [2024-10-11 20:37:18,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:37:18,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:37:18,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:37:18,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:37:18,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:37:18,795 INFO L87 Difference]: Start difference. First operand 1977 states and 2502 transitions. Second operand has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-11 20:37:18,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:37:18,983 INFO L93 Difference]: Finished difference Result 1990 states and 2507 transitions. [2024-10-11 20:37:18,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:37:18,983 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 96 [2024-10-11 20:37:18,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:37:18,986 INFO L225 Difference]: With dead ends: 1990 [2024-10-11 20:37:18,986 INFO L226 Difference]: Without dead ends: 1967 [2024-10-11 20:37:18,986 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:37:18,986 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 27 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:37:18,986 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 204 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:37:18,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1967 states. [2024-10-11 20:37:19,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1967 to 1959. [2024-10-11 20:37:19,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1959 states, 1876 states have (on average 1.2665245202558635) internal successors, (2376), 1903 states have internal predecessors, (2376), 53 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2024-10-11 20:37:19,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1959 states to 1959 states and 2482 transitions. [2024-10-11 20:37:19,070 INFO L78 Accepts]: Start accepts. Automaton has 1959 states and 2482 transitions. Word has length 96 [2024-10-11 20:37:19,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:37:19,071 INFO L471 AbstractCegarLoop]: Abstraction has 1959 states and 2482 transitions. [2024-10-11 20:37:19,071 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-11 20:37:19,071 INFO L276 IsEmpty]: Start isEmpty. Operand 1959 states and 2482 transitions. [2024-10-11 20:37:19,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-11 20:37:19,071 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:37:19,072 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1] [2024-10-11 20:37:19,072 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2024-10-11 20:37:19,072 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:37:19,072 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:37:19,072 INFO L85 PathProgramCache]: Analyzing trace with hash -2044557264, now seen corresponding path program 1 times [2024-10-11 20:37:19,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:37:19,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575453830] [2024-10-11 20:37:19,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:37:19,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:37:19,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:19,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:37:19,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:19,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:37:19,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:19,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 20:37:19,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:19,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-11 20:37:19,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:19,167 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-11 20:37:19,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:37:19,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575453830] [2024-10-11 20:37:19,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575453830] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:37:19,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [978499200] [2024-10-11 20:37:19,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:37:19,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:37:19,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:37:19,169 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:37:19,170 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2024-10-11 20:37:19,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:19,204 INFO L255 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-11 20:37:19,205 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:37:19,377 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-11 20:37:19,377 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:37:19,536 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-11 20:37:19,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [978499200] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:37:19,536 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:37:19,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 22 [2024-10-11 20:37:19,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719707678] [2024-10-11 20:37:19,536 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:37:19,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-10-11 20:37:19,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:37:19,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-10-11 20:37:19,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=407, Unknown=0, NotChecked=0, Total=506 [2024-10-11 20:37:19,537 INFO L87 Difference]: Start difference. First operand 1959 states and 2482 transitions. Second operand has 23 states, 22 states have (on average 10.181818181818182) internal successors, (224), 23 states have internal predecessors, (224), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2024-10-11 20:37:20,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:37:20,243 INFO L93 Difference]: Finished difference Result 1985 states and 2510 transitions. [2024-10-11 20:37:20,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-11 20:37:20,243 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 10.181818181818182) internal successors, (224), 23 states have internal predecessors, (224), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) Word has length 96 [2024-10-11 20:37:20,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:37:20,245 INFO L225 Difference]: With dead ends: 1985 [2024-10-11 20:37:20,245 INFO L226 Difference]: Without dead ends: 1984 [2024-10-11 20:37:20,246 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 279 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=247, Invalid=875, Unknown=0, NotChecked=0, Total=1122 [2024-10-11 20:37:20,246 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 262 mSDsluCounter, 630 mSDsCounter, 0 mSdLazyCounter, 1035 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 700 SdHoareTripleChecker+Invalid, 1049 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 1035 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 20:37:20,247 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [263 Valid, 700 Invalid, 1049 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 1035 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 20:37:20,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1984 states. [2024-10-11 20:37:20,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1984 to 1973. [2024-10-11 20:37:20,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1973 states, 1890 states have (on average 1.265079365079365) internal successors, (2391), 1917 states have internal predecessors, (2391), 53 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2024-10-11 20:37:20,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1973 states to 1973 states and 2497 transitions. [2024-10-11 20:37:20,335 INFO L78 Accepts]: Start accepts. Automaton has 1973 states and 2497 transitions. Word has length 96 [2024-10-11 20:37:20,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:37:20,335 INFO L471 AbstractCegarLoop]: Abstraction has 1973 states and 2497 transitions. [2024-10-11 20:37:20,335 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 10.181818181818182) internal successors, (224), 23 states have internal predecessors, (224), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2024-10-11 20:37:20,335 INFO L276 IsEmpty]: Start isEmpty. Operand 1973 states and 2497 transitions. [2024-10-11 20:37:20,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-10-11 20:37:20,335 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:37:20,335 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:37:20,347 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Forceful destruction successful, exit code 0 [2024-10-11 20:37:20,536 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable54 [2024-10-11 20:37:20,536 INFO L396 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:37:20,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:37:20,536 INFO L85 PathProgramCache]: Analyzing trace with hash 2648032, now seen corresponding path program 1 times [2024-10-11 20:37:20,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:37:20,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514299683] [2024-10-11 20:37:20,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:37:20,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:37:20,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:37:20,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1396752223] [2024-10-11 20:37:20,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:37:20,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:37:20,545 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:37:20,546 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:37:20,547 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2024-10-11 20:37:20,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:20,585 INFO L255 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-10-11 20:37:20,586 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:37:21,188 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-11 20:37:21,189 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:37:22,455 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-11 20:37:22,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:37:22,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514299683] [2024-10-11 20:37:22,455 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:37:22,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1396752223] [2024-10-11 20:37:22,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1396752223] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:37:22,455 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 20:37:22,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 13] total 28 [2024-10-11 20:37:22,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005507975] [2024-10-11 20:37:22,456 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 20:37:22,456 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-10-11 20:37:22,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:37:22,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-10-11 20:37:22,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=691, Unknown=0, NotChecked=0, Total=812 [2024-10-11 20:37:22,456 INFO L87 Difference]: Start difference. First operand 1973 states and 2497 transitions. Second operand has 29 states, 28 states have (on average 5.785714285714286) internal successors, (162), 29 states have internal predecessors, (162), 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) [2024-10-11 20:37:31,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:37:31,842 INFO L93 Difference]: Finished difference Result 2101 states and 2646 transitions. [2024-10-11 20:37:31,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-10-11 20:37:31,843 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 5.785714285714286) internal successors, (162), 29 states have internal predecessors, (162), 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 97 [2024-10-11 20:37:31,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:37:31,845 INFO L225 Difference]: With dead ends: 2101 [2024-10-11 20:37:31,845 INFO L226 Difference]: Without dead ends: 2069 [2024-10-11 20:37:31,846 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1262 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=837, Invalid=4565, Unknown=0, NotChecked=0, Total=5402 [2024-10-11 20:37:31,846 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 708 mSDsluCounter, 515 mSDsCounter, 0 mSdLazyCounter, 3162 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 708 SdHoareTripleChecker+Valid, 553 SdHoareTripleChecker+Invalid, 3202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 3162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2024-10-11 20:37:31,846 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [708 Valid, 553 Invalid, 3202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 3162 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2024-10-11 20:37:31,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2069 states. [2024-10-11 20:37:31,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2069 to 1980. [2024-10-11 20:37:31,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1980 states, 1897 states have (on average 1.261465471797575) internal successors, (2393), 1924 states have internal predecessors, (2393), 53 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2024-10-11 20:37:31,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1980 states to 1980 states and 2499 transitions. [2024-10-11 20:37:31,937 INFO L78 Accepts]: Start accepts. Automaton has 1980 states and 2499 transitions. Word has length 97 [2024-10-11 20:37:31,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:37:31,937 INFO L471 AbstractCegarLoop]: Abstraction has 1980 states and 2499 transitions. [2024-10-11 20:37:31,937 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 5.785714285714286) internal successors, (162), 29 states have internal predecessors, (162), 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) [2024-10-11 20:37:31,937 INFO L276 IsEmpty]: Start isEmpty. Operand 1980 states and 2499 transitions. [2024-10-11 20:37:31,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-10-11 20:37:31,938 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:37:31,938 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:37:31,953 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Forceful destruction successful, exit code 0 [2024-10-11 20:37:32,138 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable55 [2024-10-11 20:37:32,138 INFO L396 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:37:32,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:37:32,139 INFO L85 PathProgramCache]: Analyzing trace with hash 1820908924, now seen corresponding path program 1 times [2024-10-11 20:37:32,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:37:32,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739053062] [2024-10-11 20:37:32,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:37:32,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:37:32,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:32,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:37:32,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:32,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:37:32,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:32,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 20:37:32,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:32,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-11 20:37:32,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:32,195 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-11 20:37:32,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:37:32,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739053062] [2024-10-11 20:37:32,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739053062] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:37:32,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [345142364] [2024-10-11 20:37:32,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:37:32,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:37:32,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:37:32,197 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:37:32,197 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2024-10-11 20:37:32,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:32,237 INFO L255 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:37:32,238 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:37:32,320 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-11 20:37:32,321 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:37:32,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [345142364] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:37:32,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:37:32,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2024-10-11 20:37:32,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122915354] [2024-10-11 20:37:32,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:37:32,321 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 20:37:32,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:37:32,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 20:37:32,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-10-11 20:37:32,322 INFO L87 Difference]: Start difference. First operand 1980 states and 2499 transitions. Second operand has 6 states, 5 states have (on average 17.0) internal successors, (85), 6 states have internal predecessors, (85), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-11 20:37:32,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:37:32,503 INFO L93 Difference]: Finished difference Result 1989 states and 2499 transitions. [2024-10-11 20:37:32,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 20:37:32,503 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.0) internal successors, (85), 6 states have internal predecessors, (85), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 99 [2024-10-11 20:37:32,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:37:32,505 INFO L225 Difference]: With dead ends: 1989 [2024-10-11 20:37:32,505 INFO L226 Difference]: Without dead ends: 1988 [2024-10-11 20:37:32,506 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-10-11 20:37:32,506 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 109 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:37:32,507 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 288 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:37:32,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1988 states. [2024-10-11 20:37:32,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1988 to 1980. [2024-10-11 20:37:32,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1980 states, 1897 states have (on average 1.2609383236689509) internal successors, (2392), 1924 states have internal predecessors, (2392), 53 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2024-10-11 20:37:32,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1980 states to 1980 states and 2498 transitions. [2024-10-11 20:37:32,591 INFO L78 Accepts]: Start accepts. Automaton has 1980 states and 2498 transitions. Word has length 99 [2024-10-11 20:37:32,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:37:32,591 INFO L471 AbstractCegarLoop]: Abstraction has 1980 states and 2498 transitions. [2024-10-11 20:37:32,591 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.0) internal successors, (85), 6 states have internal predecessors, (85), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-11 20:37:32,591 INFO L276 IsEmpty]: Start isEmpty. Operand 1980 states and 2498 transitions. [2024-10-11 20:37:32,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-10-11 20:37:32,591 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:37:32,592 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:37:32,603 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Forceful destruction successful, exit code 0 [2024-10-11 20:37:32,792 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable56 [2024-10-11 20:37:32,792 INFO L396 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:37:32,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:37:32,792 INFO L85 PathProgramCache]: Analyzing trace with hash 613601972, now seen corresponding path program 1 times [2024-10-11 20:37:32,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:37:32,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873785081] [2024-10-11 20:37:32,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:37:32,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:37:32,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:37:32,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [505089228] [2024-10-11 20:37:32,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:37:32,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:37:32,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:37:32,803 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:37:32,804 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2024-10-11 20:37:32,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:32,843 INFO L255 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-10-11 20:37:32,844 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:37:33,369 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-11 20:37:33,370 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:37:36,549 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-11 20:37:36,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:37:36,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873785081] [2024-10-11 20:37:36,550 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:37:36,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [505089228] [2024-10-11 20:37:36,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [505089228] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:37:36,550 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 20:37:36,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13] total 24 [2024-10-11 20:37:36,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605718676] [2024-10-11 20:37:36,550 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 20:37:36,550 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-10-11 20:37:36,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:37:36,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-10-11 20:37:36,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=446, Unknown=0, NotChecked=0, Total=600 [2024-10-11 20:37:36,551 INFO L87 Difference]: Start difference. First operand 1980 states and 2498 transitions. Second operand has 25 states, 24 states have (on average 6.708333333333333) internal successors, (161), 25 states have internal predecessors, (161), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-10-11 20:37:40,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:37:40,684 INFO L93 Difference]: Finished difference Result 1998 states and 2518 transitions. [2024-10-11 20:37:40,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-11 20:37:40,685 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 6.708333333333333) internal successors, (161), 25 states have internal predecessors, (161), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 100 [2024-10-11 20:37:40,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:37:40,687 INFO L225 Difference]: With dead ends: 1998 [2024-10-11 20:37:40,687 INFO L226 Difference]: Without dead ends: 1971 [2024-10-11 20:37:40,687 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 280 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=378, Invalid=954, Unknown=0, NotChecked=0, Total=1332 [2024-10-11 20:37:40,688 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 153 mSDsluCounter, 344 mSDsCounter, 0 mSdLazyCounter, 1571 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 1591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1571 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:37:40,688 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 391 Invalid, 1591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1571 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-10-11 20:37:40,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1971 states. [2024-10-11 20:37:40,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1971 to 1971. [2024-10-11 20:37:40,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1971 states, 1888 states have (on average 1.2621822033898304) internal successors, (2383), 1915 states have internal predecessors, (2383), 53 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2024-10-11 20:37:40,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1971 states to 1971 states and 2489 transitions. [2024-10-11 20:37:40,776 INFO L78 Accepts]: Start accepts. Automaton has 1971 states and 2489 transitions. Word has length 100 [2024-10-11 20:37:40,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:37:40,776 INFO L471 AbstractCegarLoop]: Abstraction has 1971 states and 2489 transitions. [2024-10-11 20:37:40,776 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 6.708333333333333) internal successors, (161), 25 states have internal predecessors, (161), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-10-11 20:37:40,776 INFO L276 IsEmpty]: Start isEmpty. Operand 1971 states and 2489 transitions. [2024-10-11 20:37:40,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-10-11 20:37:40,776 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:37:40,777 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:37:40,795 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Ended with exit code 0 [2024-10-11 20:37:40,977 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57,44 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:37:40,977 INFO L396 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-11 20:37:40,977 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:37:40,977 INFO L85 PathProgramCache]: Analyzing trace with hash 1064445514, now seen corresponding path program 1 times [2024-10-11 20:37:40,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:37:40,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798127917] [2024-10-11 20:37:40,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:37:40,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:37:40,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:37:40,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1978605763] [2024-10-11 20:37:40,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:37:40,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:37:40,988 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:37:40,990 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:37:40,991 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2024-10-11 20:37:41,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:41,030 INFO L255 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-10-11 20:37:41,031 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:37:42,499 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 3 proven. 59 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-11 20:37:42,499 INFO L311 TraceCheckSpWp]: Computing backward predicates...