./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/cohencu-ll_valuebound1.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/cohencu-ll_valuebound1.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 1009b309b84d3a678e4f12db10e873a2b96e065352111c00074b04d416cca18d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 20:36:51,919 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 20:36:52,003 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-11 20:36:52,008 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 20:36:52,008 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 20:36:52,030 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 20:36:52,031 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 20:36:52,031 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 20:36:52,031 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 20:36:52,032 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 20:36:52,032 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 20:36:52,033 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 20:36:52,034 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 20:36:52,035 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 20:36:52,038 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 20:36:52,038 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 20:36:52,038 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 20:36:52,039 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 20:36:52,039 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 20:36:52,039 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 20:36:52,039 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 20:36:52,042 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 20:36:52,042 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 20:36:52,042 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 20:36:52,042 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 20:36:52,043 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-11 20:36:52,043 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 20:36:52,043 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 20:36:52,043 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 20:36:52,043 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 20:36:52,044 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 20:36:52,044 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 20:36:52,044 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 20:36:52,044 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 20:36:52,044 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 20:36:52,045 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 20:36:52,045 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 20:36:52,045 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 20:36:52,046 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 20:36:52,047 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 20:36:52,047 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 20:36:52,047 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 20:36:52,047 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 20:36:52,047 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 20:36:52,048 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1009b309b84d3a678e4f12db10e873a2b96e065352111c00074b04d416cca18d [2024-10-11 20:36:52,313 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 20:36:52,337 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 20:36:52,339 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 20:36:52,340 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 20:36:52,341 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 20:36:52,342 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound1.c [2024-10-11 20:36:53,717 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 20:36:53,927 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 20:36:53,928 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound1.c [2024-10-11 20:36:53,942 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/b6b73f93f/c84c51504aad4182a6e75806cded2090/FLAGac327ff9f [2024-10-11 20:36:54,298 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/b6b73f93f/c84c51504aad4182a6e75806cded2090 [2024-10-11 20:36:54,301 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 20:36:54,302 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 20:36:54,304 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 20:36:54,304 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 20:36:54,310 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 20:36:54,311 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 08:36:54" (1/1) ... [2024-10-11 20:36:54,314 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bef2f22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:36:54, skipping insertion in model container [2024-10-11 20:36:54,315 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 08:36:54" (1/1) ... [2024-10-11 20:36:54,336 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 20:36:54,555 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 20:36:54,566 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 20:36:54,604 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 20:36:54,630 INFO L204 MainTranslator]: Completed translation [2024-10-11 20:36:54,630 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:36:54 WrapperNode [2024-10-11 20:36:54,630 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 20:36:54,632 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 20:36:54,632 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 20:36:54,633 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 20:36:54,639 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:36:54" (1/1) ... [2024-10-11 20:36:54,650 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:36:54" (1/1) ... [2024-10-11 20:36:54,692 INFO L138 Inliner]: procedures = 14, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 192 [2024-10-11 20:36:54,696 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 20:36:54,697 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 20:36:54,697 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 20:36:54,697 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 20:36:54,707 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:36:54" (1/1) ... [2024-10-11 20:36:54,707 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:36:54" (1/1) ... [2024-10-11 20:36:54,718 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:36:54" (1/1) ... [2024-10-11 20:36:54,734 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 20:36:54,739 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:36:54" (1/1) ... [2024-10-11 20:36:54,739 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:36:54" (1/1) ... [2024-10-11 20:36:54,747 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:36:54" (1/1) ... [2024-10-11 20:36:54,751 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:36:54" (1/1) ... [2024-10-11 20:36:54,754 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:36:54" (1/1) ... [2024-10-11 20:36:54,755 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:36:54" (1/1) ... [2024-10-11 20:36:54,761 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 20:36:54,762 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 20:36:54,766 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 20:36:54,766 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 20:36:54,766 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:36:54" (1/1) ... [2024-10-11 20:36:54,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 20:36:54,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:36:54,809 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 20:36:54,815 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 20:36:54,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 20:36:54,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 20:36:54,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 20:36:54,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 20:36:54,860 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-11 20:36:54,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-11 20:36:54,924 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 20:36:54,926 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 20:36:55,988 INFO L? ?]: Removed 239 outVars from TransFormulas that were not future-live. [2024-10-11 20:36:55,989 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 20:36:56,039 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 20:36:56,040 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 20:36:56,040 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 08:36:56 BoogieIcfgContainer [2024-10-11 20:36:56,040 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 20:36:56,043 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 20:36:56,043 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 20:36:56,047 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 20:36:56,047 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 08:36:54" (1/3) ... [2024-10-11 20:36:56,048 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a6b81c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 08:36:56, skipping insertion in model container [2024-10-11 20:36:56,049 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:36:54" (2/3) ... [2024-10-11 20:36:56,049 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a6b81c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 08:36:56, skipping insertion in model container [2024-10-11 20:36:56,050 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 08:36:56" (3/3) ... [2024-10-11 20:36:56,052 INFO L112 eAbstractionObserver]: Analyzing ICFG cohencu-ll_valuebound1.c [2024-10-11 20:36:56,069 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 20:36:56,069 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 138 error locations. [2024-10-11 20:36:56,151 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 20:36:56,159 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;@4cfe88fc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 20:36:56,160 INFO L334 AbstractCegarLoop]: Starting to check reachability of 138 error locations. [2024-10-11 20:36:56,165 INFO L276 IsEmpty]: Start isEmpty. Operand has 298 states, 147 states have (on average 1.9727891156462585) internal successors, (290), 285 states have internal predecessors, (290), 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 20:36:56,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-11 20:36:56,171 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:36:56,172 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-11 20:36:56,173 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-11 20:36:56,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:36:56,180 INFO L85 PathProgramCache]: Analyzing trace with hash 355713825, now seen corresponding path program 1 times [2024-10-11 20:36:56,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:36:56,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330830304] [2024-10-11 20:36:56,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:56,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:36:56,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:56,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:36:56,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:36:56,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330830304] [2024-10-11 20:36:56,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330830304] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:36:56,337 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:36:56,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:36:56,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28536210] [2024-10-11 20:36:56,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:36:56,344 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 20:36:56,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:36:56,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 20:36:56,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 20:36:56,372 INFO L87 Difference]: Start difference. First operand has 298 states, 147 states have (on average 1.9727891156462585) internal successors, (290), 285 states have internal predecessors, (290), 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) Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:36:56,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:36:56,435 INFO L93 Difference]: Finished difference Result 587 states and 632 transitions. [2024-10-11 20:36:56,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 20:36:56,438 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-10-11 20:36:56,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:36:56,449 INFO L225 Difference]: With dead ends: 587 [2024-10-11 20:36:56,450 INFO L226 Difference]: Without dead ends: 288 [2024-10-11 20:36:56,457 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 20:36:56,462 INFO L432 NwaCegarLoop]: 299 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, 299 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 20:36:56,464 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 299 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:36:56,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2024-10-11 20:36:56,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 288. [2024-10-11 20:36:56,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 146 states have (on average 1.8972602739726028) internal successors, (277), 276 states have internal predecessors, (277), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-11 20:36:56,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 297 transitions. [2024-10-11 20:36:56,539 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 297 transitions. Word has length 5 [2024-10-11 20:36:56,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:36:56,540 INFO L471 AbstractCegarLoop]: Abstraction has 288 states and 297 transitions. [2024-10-11 20:36:56,540 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:36:56,540 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 297 transitions. [2024-10-11 20:36:56,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-11 20:36:56,541 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:36:56,542 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-11 20:36:56,542 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 20:36:56,542 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-11 20:36:56,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:36:56,543 INFO L85 PathProgramCache]: Analyzing trace with hash 355773348, now seen corresponding path program 1 times [2024-10-11 20:36:56,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:36:56,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280533714] [2024-10-11 20:36:56,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:56,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:36:56,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:56,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:36:56,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:36:56,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280533714] [2024-10-11 20:36:56,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280533714] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:36:56,680 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:36:56,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:36:56,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203310129] [2024-10-11 20:36:56,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:36:56,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:36:56,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:36:56,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:36:56,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:36:56,684 INFO L87 Difference]: Start difference. First operand 288 states and 297 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:36:56,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:36:56,872 INFO L93 Difference]: Finished difference Result 557 states and 576 transitions. [2024-10-11 20:36:56,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:36:56,874 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-10-11 20:36:56,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:36:56,876 INFO L225 Difference]: With dead ends: 557 [2024-10-11 20:36:56,876 INFO L226 Difference]: Without dead ends: 537 [2024-10-11 20:36:56,877 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:36:56,878 INFO L432 NwaCegarLoop]: 270 mSDtfsCounter, 237 mSDsluCounter, 249 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 519 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:36:56,879 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 519 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:36:56,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2024-10-11 20:36:56,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 347. [2024-10-11 20:36:56,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 200 states have (on average 1.795) internal successors, (359), 330 states have internal predecessors, (359), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-10-11 20:36:56,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 389 transitions. [2024-10-11 20:36:56,908 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 389 transitions. Word has length 5 [2024-10-11 20:36:56,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:36:56,908 INFO L471 AbstractCegarLoop]: Abstraction has 347 states and 389 transitions. [2024-10-11 20:36:56,909 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:36:56,909 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 389 transitions. [2024-10-11 20:36:56,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-10-11 20:36:56,909 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:36:56,910 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:36:56,910 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 20:36:56,910 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-11 20:36:56,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:36:56,910 INFO L85 PathProgramCache]: Analyzing trace with hash -1772025106, now seen corresponding path program 1 times [2024-10-11 20:36:56,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:36:56,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248178660] [2024-10-11 20:36:56,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:56,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:36:56,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:36:56,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [484154625] [2024-10-11 20:36:56,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:56,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:36:56,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:36:56,980 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 20:36:56,981 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 20:36:57,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:57,035 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:36:57,039 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:36:57,224 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 20:36:57,225 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:36:57,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:36:57,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248178660] [2024-10-11 20:36:57,225 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:36:57,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [484154625] [2024-10-11 20:36:57,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [484154625] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:36:57,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:36:57,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:36:57,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369628215] [2024-10-11 20:36:57,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:36:57,227 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:36:57,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:36:57,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:36:57,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:36:57,230 INFO L87 Difference]: Start difference. First operand 347 states and 389 transitions. Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 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 20:36:57,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:36:57,793 INFO L93 Difference]: Finished difference Result 507 states and 564 transitions. [2024-10-11 20:36:57,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:36:57,794 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 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 38 [2024-10-11 20:36:57,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:36:57,800 INFO L225 Difference]: With dead ends: 507 [2024-10-11 20:36:57,800 INFO L226 Difference]: Without dead ends: 452 [2024-10-11 20:36:57,801 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 36 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 20:36:57,802 INFO L432 NwaCegarLoop]: 163 mSDtfsCounter, 134 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 327 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 20:36:57,802 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 266 Invalid, 381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 327 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 20:36:57,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states. [2024-10-11 20:36:57,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 432. [2024-10-11 20:36:57,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 432 states, 280 states have (on average 1.65) internal successors, (462), 410 states have internal predecessors, (462), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-11 20:36:57,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 502 transitions. [2024-10-11 20:36:57,830 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 502 transitions. Word has length 38 [2024-10-11 20:36:57,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:36:57,831 INFO L471 AbstractCegarLoop]: Abstraction has 432 states and 502 transitions. [2024-10-11 20:36:57,832 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 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 20:36:57,832 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 502 transitions. [2024-10-11 20:36:57,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-10-11 20:36:57,833 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:36:57,833 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:36:57,851 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 20:36:58,038 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:36:58,039 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-11 20:36:58,039 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:36:58,040 INFO L85 PathProgramCache]: Analyzing trace with hash -2109074736, now seen corresponding path program 1 times [2024-10-11 20:36:58,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:36:58,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396414817] [2024-10-11 20:36:58,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:58,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:36:58,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:58,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 20:36:58,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:58,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-11 20:36:58,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:58,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:36:58,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:58,170 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 20:36:58,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:36:58,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396414817] [2024-10-11 20:36:58,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396414817] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:36:58,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:36:58,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:36:58,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830786188] [2024-10-11 20:36:58,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:36:58,172 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:36:58,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:36:58,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:36:58,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:36:58,173 INFO L87 Difference]: Start difference. First operand 432 states and 502 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 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 20:36:58,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:36:58,652 INFO L93 Difference]: Finished difference Result 465 states and 509 transitions. [2024-10-11 20:36:58,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:36:58,653 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 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 40 [2024-10-11 20:36:58,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:36:58,655 INFO L225 Difference]: With dead ends: 465 [2024-10-11 20:36:58,655 INFO L226 Difference]: Without dead ends: 442 [2024-10-11 20:36:58,656 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 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 20:36:58,657 INFO L432 NwaCegarLoop]: 224 mSDtfsCounter, 120 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 424 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 20:36:58,657 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 424 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 20:36:58,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2024-10-11 20:36:58,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 432. [2024-10-11 20:36:58,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 432 states, 280 states have (on average 1.5678571428571428) internal successors, (439), 410 states have internal predecessors, (439), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-11 20:36:58,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 479 transitions. [2024-10-11 20:36:58,671 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 479 transitions. Word has length 40 [2024-10-11 20:36:58,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:36:58,672 INFO L471 AbstractCegarLoop]: Abstraction has 432 states and 479 transitions. [2024-10-11 20:36:58,672 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 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 20:36:58,672 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 479 transitions. [2024-10-11 20:36:58,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-10-11 20:36:58,673 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:36:58,673 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:36:58,673 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 20:36:58,674 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-11 20:36:58,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:36:58,674 INFO L85 PathProgramCache]: Analyzing trace with hash 403745458, now seen corresponding path program 1 times [2024-10-11 20:36:58,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:36:58,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230557866] [2024-10-11 20:36:58,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:36:58,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:36:58,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:58,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 20:36:58,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:58,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-11 20:36:58,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:58,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:36:58,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:36:58,784 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 20:36:58,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:36:58,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230557866] [2024-10-11 20:36:58,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230557866] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:36:58,785 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:36:58,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:36:58,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608070298] [2024-10-11 20:36:58,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:36:58,786 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:36:58,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:36:58,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:36:58,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:36:58,787 INFO L87 Difference]: Start difference. First operand 432 states and 479 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 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 20:36:59,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:36:59,981 INFO L93 Difference]: Finished difference Result 444 states and 486 transitions. [2024-10-11 20:36:59,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:36:59,982 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 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 42 [2024-10-11 20:36:59,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:36:59,984 INFO L225 Difference]: With dead ends: 444 [2024-10-11 20:36:59,984 INFO L226 Difference]: Without dead ends: 442 [2024-10-11 20:36:59,984 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:36:59,985 INFO L432 NwaCegarLoop]: 166 mSDtfsCounter, 253 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:36:59,986 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [263 Valid, 366 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-11 20:36:59,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2024-10-11 20:36:59,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 432. [2024-10-11 20:37:00,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 432 states, 280 states have (on average 1.5607142857142857) internal successors, (437), 410 states have internal predecessors, (437), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-11 20:37:00,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 477 transitions. [2024-10-11 20:37:00,002 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 477 transitions. Word has length 42 [2024-10-11 20:37:00,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:37:00,002 INFO L471 AbstractCegarLoop]: Abstraction has 432 states and 477 transitions. [2024-10-11 20:37:00,002 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 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 20:37:00,003 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 477 transitions. [2024-10-11 20:37:00,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-10-11 20:37:00,003 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:37:00,004 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:37:00,004 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 20:37:00,004 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-11 20:37:00,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:37:00,004 INFO L85 PathProgramCache]: Analyzing trace with hash -368792591, now seen corresponding path program 1 times [2024-10-11 20:37:00,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:37:00,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296861585] [2024-10-11 20:37:00,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:37:00,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:37:00,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:00,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 20:37:00,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:00,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-11 20:37:00,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:00,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:37:00,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:00,163 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 20:37:00,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:37:00,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296861585] [2024-10-11 20:37:00,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296861585] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:37:00,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:37:00,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:37:00,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488539224] [2024-10-11 20:37:00,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:37:00,169 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:37:00,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:37:00,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:37:00,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:37:00,169 INFO L87 Difference]: Start difference. First operand 432 states and 477 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 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 20:37:01,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:37:01,186 INFO L93 Difference]: Finished difference Result 444 states and 484 transitions. [2024-10-11 20:37:01,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:37:01,187 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 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 43 [2024-10-11 20:37:01,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:37:01,190 INFO L225 Difference]: With dead ends: 444 [2024-10-11 20:37:01,191 INFO L226 Difference]: Without dead ends: 442 [2024-10-11 20:37:01,192 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:37:01,193 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 252 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 368 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:37:01,193 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [262 Valid, 368 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-11 20:37:01,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2024-10-11 20:37:01,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 432. [2024-10-11 20:37:01,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 432 states, 280 states have (on average 1.5535714285714286) internal successors, (435), 410 states have internal predecessors, (435), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-11 20:37:01,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 475 transitions. [2024-10-11 20:37:01,214 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 475 transitions. Word has length 43 [2024-10-11 20:37:01,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:37:01,215 INFO L471 AbstractCegarLoop]: Abstraction has 432 states and 475 transitions. [2024-10-11 20:37:01,216 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 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 20:37:01,216 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 475 transitions. [2024-10-11 20:37:01,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-10-11 20:37:01,217 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:37:01,217 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:37:01,217 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 20:37:01,219 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-11 20:37:01,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:37:01,219 INFO L85 PathProgramCache]: Analyzing trace with hash -173634954, now seen corresponding path program 1 times [2024-10-11 20:37:01,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:37:01,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009358896] [2024-10-11 20:37:01,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:37:01,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:37:01,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:37:01,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2143860466] [2024-10-11 20:37:01,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:37:01,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:37:01,245 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:37:01,246 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 20:37:01,249 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 20:37:01,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:01,303 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-11 20:37:01,304 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:37:01,515 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 20:37:01,515 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:37:01,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:37:01,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009358896] [2024-10-11 20:37:01,516 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:37:01,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2143860466] [2024-10-11 20:37:01,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2143860466] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:37:01,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:37:01,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:37:01,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933239421] [2024-10-11 20:37:01,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:37:01,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:37:01,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:37:01,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:37:01,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:37:01,518 INFO L87 Difference]: Start difference. First operand 432 states and 475 transitions. Second operand has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 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 20:37:02,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:37:02,157 INFO L93 Difference]: Finished difference Result 449 states and 482 transitions. [2024-10-11 20:37:02,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:37:02,158 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 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 46 [2024-10-11 20:37:02,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:37:02,160 INFO L225 Difference]: With dead ends: 449 [2024-10-11 20:37:02,160 INFO L226 Difference]: Without dead ends: 440 [2024-10-11 20:37:02,161 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:37:02,162 INFO L432 NwaCegarLoop]: 177 mSDtfsCounter, 112 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 337 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 337 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 20:37:02,162 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 256 Invalid, 345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 337 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 20:37:02,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2024-10-11 20:37:02,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 435. [2024-10-11 20:37:02,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 435 states, 283 states have (on average 1.5265017667844523) internal successors, (432), 413 states have internal predecessors, (432), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-11 20:37:02,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 472 transitions. [2024-10-11 20:37:02,178 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 472 transitions. Word has length 46 [2024-10-11 20:37:02,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:37:02,178 INFO L471 AbstractCegarLoop]: Abstraction has 435 states and 472 transitions. [2024-10-11 20:37:02,178 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 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 20:37:02,179 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 472 transitions. [2024-10-11 20:37:02,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-10-11 20:37:02,180 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:37:02,180 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:37:02,193 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 20:37:02,383 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 20:37:02,384 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-11 20:37:02,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:37:02,384 INFO L85 PathProgramCache]: Analyzing trace with hash -1087716171, now seen corresponding path program 1 times [2024-10-11 20:37:02,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:37:02,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489926440] [2024-10-11 20:37:02,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:37:02,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:37:02,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:02,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 20:37:02,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:02,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-11 20:37:02,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:02,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:37:02,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:02,505 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 20:37:02,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:37:02,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489926440] [2024-10-11 20:37:02,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489926440] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:37:02,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:37:02,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:37:02,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29484415] [2024-10-11 20:37:02,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:37:02,506 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:37:02,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:37:02,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:37:02,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:37:02,507 INFO L87 Difference]: Start difference. First operand 435 states and 472 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 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 20:37:03,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:37:03,151 INFO L93 Difference]: Finished difference Result 448 states and 473 transitions. [2024-10-11 20:37:03,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:37:03,154 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 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 47 [2024-10-11 20:37:03,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:37:03,156 INFO L225 Difference]: With dead ends: 448 [2024-10-11 20:37:03,157 INFO L226 Difference]: Without dead ends: 442 [2024-10-11 20:37:03,157 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:37:03,160 INFO L432 NwaCegarLoop]: 183 mSDtfsCounter, 133 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 506 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 506 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 20:37:03,161 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 383 Invalid, 512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 506 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 20:37:03,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2024-10-11 20:37:03,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 435. [2024-10-11 20:37:03,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 435 states, 283 states have (on average 1.5053003533568905) internal successors, (426), 413 states have internal predecessors, (426), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-11 20:37:03,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 466 transitions. [2024-10-11 20:37:03,177 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 466 transitions. Word has length 47 [2024-10-11 20:37:03,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:37:03,177 INFO L471 AbstractCegarLoop]: Abstraction has 435 states and 466 transitions. [2024-10-11 20:37:03,178 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 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 20:37:03,178 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 466 transitions. [2024-10-11 20:37:03,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-10-11 20:37:03,179 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:37:03,179 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:37:03,180 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-11 20:37:03,180 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-11 20:37:03,180 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:37:03,180 INFO L85 PathProgramCache]: Analyzing trace with hash -296575623, now seen corresponding path program 1 times [2024-10-11 20:37:03,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:37:03,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258348029] [2024-10-11 20:37:03,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:37:03,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:37:03,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:03,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 20:37:03,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:03,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-11 20:37:03,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:03,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:37:03,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:03,295 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 20:37:03,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:37:03,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258348029] [2024-10-11 20:37:03,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258348029] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:37:03,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:37:03,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:37:03,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153561963] [2024-10-11 20:37:03,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:37:03,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:37:03,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:37:03,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:37:03,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:37:03,300 INFO L87 Difference]: Start difference. First operand 435 states and 466 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (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 20:37:03,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:37:03,857 INFO L93 Difference]: Finished difference Result 446 states and 467 transitions. [2024-10-11 20:37:03,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:37:03,858 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (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 51 [2024-10-11 20:37:03,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:37:03,859 INFO L225 Difference]: With dead ends: 446 [2024-10-11 20:37:03,860 INFO L226 Difference]: Without dead ends: 373 [2024-10-11 20:37:03,860 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:37:03,860 INFO L432 NwaCegarLoop]: 189 mSDtfsCounter, 226 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 325 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 20:37:03,861 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 268 Invalid, 337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 325 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 20:37:03,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2024-10-11 20:37:03,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 369. [2024-10-11 20:37:03,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 369 states, 220 states have (on average 1.6227272727272728) internal successors, (357), 350 states have internal predecessors, (357), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-11 20:37:03,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 391 transitions. [2024-10-11 20:37:03,872 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 391 transitions. Word has length 51 [2024-10-11 20:37:03,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:37:03,872 INFO L471 AbstractCegarLoop]: Abstraction has 369 states and 391 transitions. [2024-10-11 20:37:03,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (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 20:37:03,872 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 391 transitions. [2024-10-11 20:37:03,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-10-11 20:37:03,873 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:37:03,874 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:37:03,874 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-11 20:37:03,874 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-11 20:37:03,874 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:37:03,874 INFO L85 PathProgramCache]: Analyzing trace with hash -244803461, now seen corresponding path program 1 times [2024-10-11 20:37:03,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:37:03,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585720161] [2024-10-11 20:37:03,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:37:03,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:37:03,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:03,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 20:37:03,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:03,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-11 20:37:03,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:03,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:37:03,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:03,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 20:37:03,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:03,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 20:37:03,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:03,952 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-11 20:37:03,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:37:03,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585720161] [2024-10-11 20:37:03,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585720161] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:37:03,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:37:03,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:37:03,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591256045] [2024-10-11 20:37:03,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:37:03,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:37:03,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:37:03,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:37:03,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:37:03,955 INFO L87 Difference]: Start difference. First operand 369 states and 391 transitions. Second operand has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-11 20:37:04,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:37:04,393 INFO L93 Difference]: Finished difference Result 369 states and 391 transitions. [2024-10-11 20:37:04,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:37:04,394 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 83 [2024-10-11 20:37:04,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:37:04,396 INFO L225 Difference]: With dead ends: 369 [2024-10-11 20:37:04,396 INFO L226 Difference]: Without dead ends: 362 [2024-10-11 20:37:04,396 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 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 20:37:04,397 INFO L432 NwaCegarLoop]: 139 mSDtfsCounter, 138 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 20:37:04,397 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 153 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 20:37:04,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2024-10-11 20:37:04,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 362. [2024-10-11 20:37:04,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 220 states have (on average 1.5909090909090908) internal successors, (350), 343 states have internal predecessors, (350), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-11 20:37:04,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 384 transitions. [2024-10-11 20:37:04,407 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 384 transitions. Word has length 83 [2024-10-11 20:37:04,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:37:04,408 INFO L471 AbstractCegarLoop]: Abstraction has 362 states and 384 transitions. [2024-10-11 20:37:04,408 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-11 20:37:04,408 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 384 transitions. [2024-10-11 20:37:04,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-10-11 20:37:04,409 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:37:04,410 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:37:04,410 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-11 20:37:04,410 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-11 20:37:04,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:37:04,411 INFO L85 PathProgramCache]: Analyzing trace with hash 1001027467, now seen corresponding path program 1 times [2024-10-11 20:37:04,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:37:04,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120173170] [2024-10-11 20:37:04,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:37:04,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:37:04,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:04,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 20:37:04,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:04,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-11 20:37:04,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:04,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:37:04,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:04,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 20:37:04,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:04,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 20:37:04,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:04,484 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-11 20:37:04,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:37:04,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120173170] [2024-10-11 20:37:04,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120173170] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:37:04,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:37:04,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:37:04,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106343700] [2024-10-11 20:37:04,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:37:04,486 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:37:04,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:37:04,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:37:04,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:37:04,487 INFO L87 Difference]: Start difference. First operand 362 states and 384 transitions. Second operand has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-11 20:37:04,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:37:04,997 INFO L93 Difference]: Finished difference Result 369 states and 387 transitions. [2024-10-11 20:37:04,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:37:04,997 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 84 [2024-10-11 20:37:04,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:37:04,999 INFO L225 Difference]: With dead ends: 369 [2024-10-11 20:37:04,999 INFO L226 Difference]: Without dead ends: 368 [2024-10-11 20:37:05,000 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 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 20:37:05,000 INFO L432 NwaCegarLoop]: 253 mSDtfsCounter, 24 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 20:37:05,001 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 391 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 20:37:05,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2024-10-11 20:37:05,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 364. [2024-10-11 20:37:05,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 364 states, 222 states have (on average 1.5855855855855856) internal successors, (352), 345 states have internal predecessors, (352), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-11 20:37:05,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 386 transitions. [2024-10-11 20:37:05,011 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 386 transitions. Word has length 84 [2024-10-11 20:37:05,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:37:05,012 INFO L471 AbstractCegarLoop]: Abstraction has 364 states and 386 transitions. [2024-10-11 20:37:05,012 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-11 20:37:05,012 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 386 transitions. [2024-10-11 20:37:05,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-10-11 20:37:05,013 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:37:05,013 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:37:05,014 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-11 20:37:05,014 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-11 20:37:05,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:37:05,014 INFO L85 PathProgramCache]: Analyzing trace with hash 124206066, now seen corresponding path program 1 times [2024-10-11 20:37:05,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:37:05,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198200978] [2024-10-11 20:37:05,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:37:05,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:37:05,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:05,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 20:37:05,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:05,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-11 20:37:05,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:05,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:37:05,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:05,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 20:37:05,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:05,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 20:37:05,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:05,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 20:37:05,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:05,104 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-11 20:37:05,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:37:05,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198200978] [2024-10-11 20:37:05,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1198200978] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:37:05,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:37:05,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:37:05,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081459659] [2024-10-11 20:37:05,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:37:05,106 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:37:05,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:37:05,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:37:05,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:37:05,107 INFO L87 Difference]: Start difference. First operand 364 states and 386 transitions. Second operand has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-10-11 20:37:05,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:37:05,393 INFO L93 Difference]: Finished difference Result 364 states and 386 transitions. [2024-10-11 20:37:05,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:37:05,394 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 86 [2024-10-11 20:37:05,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:37:05,396 INFO L225 Difference]: With dead ends: 364 [2024-10-11 20:37:05,396 INFO L226 Difference]: Without dead ends: 362 [2024-10-11 20:37:05,396 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 12 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 20:37:05,398 INFO L432 NwaCegarLoop]: 247 mSDtfsCounter, 192 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:37:05,398 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 260 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:37:05,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2024-10-11 20:37:05,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 362. [2024-10-11 20:37:05,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 222 states have (on average 1.5675675675675675) internal successors, (348), 343 states have internal predecessors, (348), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-11 20:37:05,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 382 transitions. [2024-10-11 20:37:05,411 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 382 transitions. Word has length 86 [2024-10-11 20:37:05,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:37:05,412 INFO L471 AbstractCegarLoop]: Abstraction has 362 states and 382 transitions. [2024-10-11 20:37:05,412 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-10-11 20:37:05,412 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 382 transitions. [2024-10-11 20:37:05,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-10-11 20:37:05,413 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:37:05,413 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:37:05,413 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-11 20:37:05,413 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-11 20:37:05,413 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:37:05,414 INFO L85 PathProgramCache]: Analyzing trace with hash -444579068, now seen corresponding path program 1 times [2024-10-11 20:37:05,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:37:05,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613094093] [2024-10-11 20:37:05,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:37:05,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:37:05,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:05,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 20:37:05,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:05,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-11 20:37:05,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:05,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:37:05,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:05,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 20:37:05,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:05,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 20:37:05,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:05,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 20:37:05,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:05,505 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-11 20:37:05,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:37:05,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613094093] [2024-10-11 20:37:05,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613094093] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:37:05,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:37:05,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 20:37:05,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516765766] [2024-10-11 20:37:05,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:37:05,506 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:37:05,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:37:05,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:37:05,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:37:05,507 INFO L87 Difference]: Start difference. First operand 362 states and 382 transitions. Second operand has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-11 20:37:05,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:37:05,829 INFO L93 Difference]: Finished difference Result 366 states and 382 transitions. [2024-10-11 20:37:05,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:37:05,831 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 87 [2024-10-11 20:37:05,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:37:05,833 INFO L225 Difference]: With dead ends: 366 [2024-10-11 20:37:05,833 INFO L226 Difference]: Without dead ends: 362 [2024-10-11 20:37:05,833 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:37:05,833 INFO L432 NwaCegarLoop]: 248 mSDtfsCounter, 19 mSDsluCounter, 664 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 912 SdHoareTripleChecker+Invalid, 240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:37:05,834 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 912 Invalid, 240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:37:05,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2024-10-11 20:37:05,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 360. [2024-10-11 20:37:05,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 220 states have (on average 1.5636363636363637) internal successors, (344), 341 states have internal predecessors, (344), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-11 20:37:05,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 378 transitions. [2024-10-11 20:37:05,846 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 378 transitions. Word has length 87 [2024-10-11 20:37:05,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:37:05,847 INFO L471 AbstractCegarLoop]: Abstraction has 360 states and 378 transitions. [2024-10-11 20:37:05,847 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-11 20:37:05,847 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 378 transitions. [2024-10-11 20:37:05,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-10-11 20:37:05,848 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:37:05,848 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:37:05,848 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-11 20:37:05,848 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-11 20:37:05,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:37:05,849 INFO L85 PathProgramCache]: Analyzing trace with hash -85276979, now seen corresponding path program 1 times [2024-10-11 20:37:05,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:37:05,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383757162] [2024-10-11 20:37:05,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:37:05,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:37:05,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:05,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 20:37:05,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:05,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-11 20:37:05,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:05,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:37:05,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:05,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 20:37:05,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:05,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 20:37:05,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:05,921 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-11 20:37:05,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:37:05,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383757162] [2024-10-11 20:37:05,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383757162] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:37:05,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [683670755] [2024-10-11 20:37:05,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:37:05,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:37:05,922 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:37:05,923 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 20:37:05,926 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 20:37:05,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:05,979 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 20:37:05,982 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:37:06,089 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-11 20:37:06,090 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:37:06,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [683670755] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:37:06,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:37:06,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-10-11 20:37:06,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406848095] [2024-10-11 20:37:06,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:37:06,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:37:06,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:37:06,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:37:06,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:37:06,093 INFO L87 Difference]: Start difference. First operand 360 states and 378 transitions. Second operand has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-11 20:37:06,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:37:06,236 INFO L93 Difference]: Finished difference Result 362 states and 378 transitions. [2024-10-11 20:37:06,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:37:06,237 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 86 [2024-10-11 20:37:06,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:37:06,238 INFO L225 Difference]: With dead ends: 362 [2024-10-11 20:37:06,238 INFO L226 Difference]: Without dead ends: 354 [2024-10-11 20:37:06,239 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 95 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 20:37:06,239 INFO L432 NwaCegarLoop]: 299 mSDtfsCounter, 420 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 432 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:37:06,240 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [432 Valid, 364 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:37:06,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2024-10-11 20:37:06,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 352. [2024-10-11 20:37:06,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 352 states, 220 states have (on average 1.5272727272727273) internal successors, (336), 333 states have internal predecessors, (336), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-11 20:37:06,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 370 transitions. [2024-10-11 20:37:06,251 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 370 transitions. Word has length 86 [2024-10-11 20:37:06,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:37:06,252 INFO L471 AbstractCegarLoop]: Abstraction has 352 states and 370 transitions. [2024-10-11 20:37:06,252 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-11 20:37:06,252 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 370 transitions. [2024-10-11 20:37:06,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-10-11 20:37:06,253 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:37:06,253 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:37:06,270 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 20:37:06,453 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,4 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:37:06,454 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-11 20:37:06,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:37:06,454 INFO L85 PathProgramCache]: Analyzing trace with hash 1651380999, now seen corresponding path program 1 times [2024-10-11 20:37:06,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:37:06,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254058231] [2024-10-11 20:37:06,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:37:06,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:37:06,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:06,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 20:37:06,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:06,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-11 20:37:06,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:06,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:37:06,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:06,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 20:37:06,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:06,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 20:37:06,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:06,525 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-11 20:37:06,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:37:06,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254058231] [2024-10-11 20:37:06,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254058231] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:37:06,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [584397367] [2024-10-11 20:37:06,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:37:06,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:37:06,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:37:06,528 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 20:37:06,529 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 20:37:06,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:06,582 INFO L255 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 20:37:06,584 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:37:06,663 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-11 20:37:06,663 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:37:06,810 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-11 20:37:06,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [584397367] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:37:06,811 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:37:06,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-10-11 20:37:06,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684668657] [2024-10-11 20:37:06,811 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:37:06,812 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 20:37:06,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:37:06,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 20:37:06,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-11 20:37:06,814 INFO L87 Difference]: Start difference. First operand 352 states and 370 transitions. Second operand has 7 states, 6 states have (on average 29.333333333333332) internal successors, (176), 7 states have internal predecessors, (176), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-10-11 20:37:07,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:37:07,054 INFO L93 Difference]: Finished difference Result 613 states and 651 transitions. [2024-10-11 20:37:07,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 20:37:07,054 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 29.333333333333332) internal successors, (176), 7 states have internal predecessors, (176), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 87 [2024-10-11 20:37:07,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:37:07,057 INFO L225 Difference]: With dead ends: 613 [2024-10-11 20:37:07,057 INFO L226 Difference]: Without dead ends: 605 [2024-10-11 20:37:07,057 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-11 20:37:07,058 INFO L432 NwaCegarLoop]: 241 mSDtfsCounter, 668 mSDsluCounter, 678 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 685 SdHoareTripleChecker+Valid, 919 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:37:07,058 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [685 Valid, 919 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:37:07,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 605 states. [2024-10-11 20:37:07,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 605 to 412. [2024-10-11 20:37:07,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412 states, 281 states have (on average 1.5160142348754448) internal successors, (426), 388 states have internal predecessors, (426), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-11 20:37:07,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 470 transitions. [2024-10-11 20:37:07,074 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 470 transitions. Word has length 87 [2024-10-11 20:37:07,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:37:07,075 INFO L471 AbstractCegarLoop]: Abstraction has 412 states and 470 transitions. [2024-10-11 20:37:07,075 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 29.333333333333332) internal successors, (176), 7 states have internal predecessors, (176), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-10-11 20:37:07,075 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 470 transitions. [2024-10-11 20:37:07,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-10-11 20:37:07,077 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:37:07,078 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:37:07,097 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-11 20:37:07,278 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,SelfDestructingSolverStorable14 [2024-10-11 20:37:07,278 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-11 20:37:07,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:37:07,279 INFO L85 PathProgramCache]: Analyzing trace with hash -1640076562, now seen corresponding path program 1 times [2024-10-11 20:37:07,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:37:07,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832658419] [2024-10-11 20:37:07,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:37:07,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:37:07,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:37:07,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [94353114] [2024-10-11 20:37:07,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:37:07,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:37:07,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:37:07,301 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 20:37:07,303 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 20:37:07,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:07,360 INFO L255 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:37:07,365 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:37:07,463 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-11 20:37:07,463 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:37:07,625 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-11 20:37:07,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:37:07,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832658419] [2024-10-11 20:37:07,625 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:37:07,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [94353114] [2024-10-11 20:37:07,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [94353114] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:37:07,626 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 20:37:07,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2024-10-11 20:37:07,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098464978] [2024-10-11 20:37:07,626 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 20:37:07,626 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 20:37:07,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:37:07,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 20:37:07,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 20:37:07,629 INFO L87 Difference]: Start difference. First operand 412 states and 470 transitions. Second operand has 6 states, 5 states have (on average 27.4) internal successors, (137), 6 states have internal predecessors, (137), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-10-11 20:37:07,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:37:07,877 INFO L93 Difference]: Finished difference Result 615 states and 647 transitions. [2024-10-11 20:37:07,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 20:37:07,878 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 27.4) internal successors, (137), 6 states have internal predecessors, (137), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 98 [2024-10-11 20:37:07,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:37:07,880 INFO L225 Difference]: With dead ends: 615 [2024-10-11 20:37:07,880 INFO L226 Difference]: Without dead ends: 610 [2024-10-11 20:37:07,880 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-10-11 20:37:07,881 INFO L432 NwaCegarLoop]: 299 mSDtfsCounter, 1114 mSDsluCounter, 486 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1125 SdHoareTripleChecker+Valid, 785 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:37:07,881 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1125 Valid, 785 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:37:07,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 610 states. [2024-10-11 20:37:07,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 610 to 417. [2024-10-11 20:37:07,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 417 states, 289 states have (on average 1.4740484429065743) internal successors, (426), 392 states have internal predecessors, (426), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 20:37:07,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 472 transitions. [2024-10-11 20:37:07,897 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 472 transitions. Word has length 98 [2024-10-11 20:37:07,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:37:07,897 INFO L471 AbstractCegarLoop]: Abstraction has 417 states and 472 transitions. [2024-10-11 20:37:07,898 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 27.4) internal successors, (137), 6 states have internal predecessors, (137), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-10-11 20:37:07,898 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 472 transitions. [2024-10-11 20:37:07,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-10-11 20:37:07,899 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:37:07,899 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:37:07,916 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 20:37:08,099 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,SelfDestructingSolverStorable15 [2024-10-11 20:37:08,100 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr70ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-11 20:37:08,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:37:08,100 INFO L85 PathProgramCache]: Analyzing trace with hash -1350073584, now seen corresponding path program 1 times [2024-10-11 20:37:08,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:37:08,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181974132] [2024-10-11 20:37:08,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:37:08,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:37:08,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:08,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 20:37:08,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:08,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-11 20:37:08,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:08,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:37:08,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:08,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 20:37:08,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:08,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 20:37:08,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:08,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 20:37:08,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:08,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 20:37:08,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:08,316 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-11 20:37:08,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:37:08,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181974132] [2024-10-11 20:37:08,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181974132] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:37:08,316 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:37:08,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 20:37:08,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10824341] [2024-10-11 20:37:08,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:37:08,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:37:08,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:37:08,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:37:08,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:37:08,318 INFO L87 Difference]: Start difference. First operand 417 states and 472 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-11 20:37:08,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:37:08,469 INFO L93 Difference]: Finished difference Result 423 states and 475 transitions. [2024-10-11 20:37:08,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:37:08,470 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 103 [2024-10-11 20:37:08,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:37:08,471 INFO L225 Difference]: With dead ends: 423 [2024-10-11 20:37:08,471 INFO L226 Difference]: Without dead ends: 395 [2024-10-11 20:37:08,472 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:37:08,472 INFO L432 NwaCegarLoop]: 208 mSDtfsCounter, 231 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:37:08,472 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [241 Valid, 412 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:37:08,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2024-10-11 20:37:08,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 395. [2024-10-11 20:37:08,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 395 states, 271 states have (on average 1.4907749077490775) internal successors, (404), 372 states have internal predecessors, (404), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-10-11 20:37:08,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 446 transitions. [2024-10-11 20:37:08,484 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 446 transitions. Word has length 103 [2024-10-11 20:37:08,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:37:08,485 INFO L471 AbstractCegarLoop]: Abstraction has 395 states and 446 transitions. [2024-10-11 20:37:08,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-11 20:37:08,485 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 446 transitions. [2024-10-11 20:37:08,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-10-11 20:37:08,486 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:37:08,486 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 20:37:08,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-11 20:37:08,486 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-11 20:37:08,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:37:08,487 INFO L85 PathProgramCache]: Analyzing trace with hash -483346203, now seen corresponding path program 1 times [2024-10-11 20:37:08,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:37:08,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662177755] [2024-10-11 20:37:08,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:37:08,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:37:08,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:37:08,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1911828421] [2024-10-11 20:37:08,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:37:08,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:37:08,505 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:37:08,506 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 20:37:08,508 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 20:37:08,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:08,567 INFO L255 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:37:08,570 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:37:08,828 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-11 20:37:08,829 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:37:08,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:37:08,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662177755] [2024-10-11 20:37:08,829 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:37:08,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1911828421] [2024-10-11 20:37:08,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1911828421] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:37:08,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:37:08,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 20:37:08,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358951592] [2024-10-11 20:37:08,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:37:08,831 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:37:08,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:37:08,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:37:08,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:37:08,833 INFO L87 Difference]: Start difference. First operand 395 states and 446 transitions. Second operand has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-11 20:37:09,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:37:09,430 INFO L93 Difference]: Finished difference Result 395 states and 446 transitions. [2024-10-11 20:37:09,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 20:37:09,430 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 119 [2024-10-11 20:37:09,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:37:09,432 INFO L225 Difference]: With dead ends: 395 [2024-10-11 20:37:09,432 INFO L226 Difference]: Without dead ends: 385 [2024-10-11 20:37:09,432 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-10-11 20:37:09,433 INFO L432 NwaCegarLoop]: 116 mSDtfsCounter, 231 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 465 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 465 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 20:37:09,433 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 240 Invalid, 480 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 465 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 20:37:09,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2024-10-11 20:37:09,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 385. [2024-10-11 20:37:09,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 385 states, 271 states have (on average 1.4391143911439115) internal successors, (390), 362 states have internal predecessors, (390), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-10-11 20:37:09,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 432 transitions. [2024-10-11 20:37:09,465 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 432 transitions. Word has length 119 [2024-10-11 20:37:09,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:37:09,466 INFO L471 AbstractCegarLoop]: Abstraction has 385 states and 432 transitions. [2024-10-11 20:37:09,466 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-11 20:37:09,466 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 432 transitions. [2024-10-11 20:37:09,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-10-11 20:37:09,467 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:37:09,468 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 20:37:09,485 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 20:37:09,672 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,SelfDestructingSolverStorable17 [2024-10-11 20:37:09,673 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-11 20:37:09,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:37:09,673 INFO L85 PathProgramCache]: Analyzing trace with hash -2098830314, now seen corresponding path program 1 times [2024-10-11 20:37:09,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:37:09,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766959629] [2024-10-11 20:37:09,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:37:09,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:37:09,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:37:09,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [678850448] [2024-10-11 20:37:09,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:37:09,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:37:09,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:37:09,703 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 20:37:09,704 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 20:37:09,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:09,769 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-11 20:37:09,772 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:37:10,041 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-11 20:37:10,042 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:37:11,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:37:11,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766959629] [2024-10-11 20:37:11,203 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:37:11,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [678850448] [2024-10-11 20:37:11,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [678850448] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:37:11,203 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:37:11,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-10-11 20:37:11,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615307482] [2024-10-11 20:37:11,204 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:37:11,204 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:37:11,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:37:11,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:37:11,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:37:11,205 INFO L87 Difference]: Start difference. First operand 385 states and 432 transitions. Second operand has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-11 20:37:11,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:37:11,964 INFO L93 Difference]: Finished difference Result 509 states and 589 transitions. [2024-10-11 20:37:11,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:37:11,965 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 120 [2024-10-11 20:37:11,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:37:11,967 INFO L225 Difference]: With dead ends: 509 [2024-10-11 20:37:11,967 INFO L226 Difference]: Without dead ends: 486 [2024-10-11 20:37:11,967 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:37:11,967 INFO L432 NwaCegarLoop]: 140 mSDtfsCounter, 129 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 656 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 678 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 656 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-11 20:37:11,968 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 352 Invalid, 678 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 656 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-11 20:37:11,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2024-10-11 20:37:11,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 470. [2024-10-11 20:37:11,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 470 states, 351 states have (on average 1.4444444444444444) internal successors, (507), 442 states have internal predecessors, (507), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-10-11 20:37:11,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 559 transitions. [2024-10-11 20:37:11,983 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 559 transitions. Word has length 120 [2024-10-11 20:37:11,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:37:11,984 INFO L471 AbstractCegarLoop]: Abstraction has 470 states and 559 transitions. [2024-10-11 20:37:11,984 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-11 20:37:11,984 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 559 transitions. [2024-10-11 20:37:11,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-10-11 20:37:11,985 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:37:11,985 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-10-11 20:37:12,001 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 20:37:12,189 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,8 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:37:12,190 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-11 20:37:12,190 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:37:12,190 INFO L85 PathProgramCache]: Analyzing trace with hash -639230201, now seen corresponding path program 1 times [2024-10-11 20:37:12,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:37:12,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975415157] [2024-10-11 20:37:12,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:37:12,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:37:12,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:12,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 20:37:12,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:12,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-11 20:37:12,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:12,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:37:12,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:12,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 20:37:12,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:12,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 20:37:12,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:12,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 20:37:12,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:12,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 20:37:12,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:12,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 20:37:12,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:12,335 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-11 20:37:12,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:37:12,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975415157] [2024-10-11 20:37:12,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975415157] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:37:12,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [917103794] [2024-10-11 20:37:12,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:37:12,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:37:12,336 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:37:12,337 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 20:37:12,338 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 20:37:12,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:12,392 INFO L255 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:37:12,394 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:37:12,588 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-11 20:37:12,588 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:37:12,733 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-11 20:37:12,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [917103794] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:37:12,733 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:37:12,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 7 [2024-10-11 20:37:12,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818484857] [2024-10-11 20:37:12,734 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:37:12,734 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 20:37:12,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:37:12,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 20:37:12,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:37:12,736 INFO L87 Difference]: Start difference. First operand 470 states and 559 transitions. Second operand has 8 states, 7 states have (on average 31.142857142857142) internal successors, (218), 8 states have internal predecessors, (218), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2024-10-11 20:37:13,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:37:13,381 INFO L93 Difference]: Finished difference Result 493 states and 566 transitions. [2024-10-11 20:37:13,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 20:37:13,382 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 31.142857142857142) internal successors, (218), 8 states have internal predecessors, (218), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) Word has length 121 [2024-10-11 20:37:13,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:37:13,384 INFO L225 Difference]: With dead ends: 493 [2024-10-11 20:37:13,384 INFO L226 Difference]: Without dead ends: 488 [2024-10-11 20:37:13,384 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 254 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2024-10-11 20:37:13,384 INFO L432 NwaCegarLoop]: 182 mSDtfsCounter, 464 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 573 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 476 SdHoareTripleChecker+Valid, 530 SdHoareTripleChecker+Invalid, 594 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 573 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 20:37:13,385 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [476 Valid, 530 Invalid, 594 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 573 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 20:37:13,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2024-10-11 20:37:13,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 466. [2024-10-11 20:37:13,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 466 states, 351 states have (on average 1.4188034188034189) internal successors, (498), 438 states have internal predecessors, (498), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-10-11 20:37:13,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 550 transitions. [2024-10-11 20:37:13,400 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 550 transitions. Word has length 121 [2024-10-11 20:37:13,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:37:13,400 INFO L471 AbstractCegarLoop]: Abstraction has 466 states and 550 transitions. [2024-10-11 20:37:13,400 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 31.142857142857142) internal successors, (218), 8 states have internal predecessors, (218), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2024-10-11 20:37:13,401 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 550 transitions. [2024-10-11 20:37:13,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-10-11 20:37:13,401 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:37:13,402 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 20:37:13,418 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-11 20:37:13,605 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,9 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:37:13,605 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-11 20:37:13,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:37:13,606 INFO L85 PathProgramCache]: Analyzing trace with hash 1658700344, now seen corresponding path program 1 times [2024-10-11 20:37:13,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:37:13,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55240093] [2024-10-11 20:37:13,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:37:13,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:37:13,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:13,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 20:37:13,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:13,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-11 20:37:13,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:13,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:37:13,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:13,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 20:37:13,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:13,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 20:37:13,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:13,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 20:37:13,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:13,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 20:37:13,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:13,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 20:37:13,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:13,776 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-11 20:37:13,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:37:13,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55240093] [2024-10-11 20:37:13,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55240093] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:37:13,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1289090913] [2024-10-11 20:37:13,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:37:13,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:37:13,777 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:37:13,778 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 20:37:13,794 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 20:37:13,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:13,850 INFO L255 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:37:13,852 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:37:14,034 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-11 20:37:14,034 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:37:14,171 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-11 20:37:14,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1289090913] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:37:14,171 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:37:14,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 7 [2024-10-11 20:37:14,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904686252] [2024-10-11 20:37:14,171 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:37:14,172 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 20:37:14,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:37:14,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 20:37:14,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:37:14,173 INFO L87 Difference]: Start difference. First operand 466 states and 550 transitions. Second operand has 8 states, 7 states have (on average 31.428571428571427) internal successors, (220), 8 states have internal predecessors, (220), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2024-10-11 20:37:14,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:37:14,762 INFO L93 Difference]: Finished difference Result 489 states and 557 transitions. [2024-10-11 20:37:14,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 20:37:14,762 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 31.428571428571427) internal successors, (220), 8 states have internal predecessors, (220), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) Word has length 122 [2024-10-11 20:37:14,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:37:14,764 INFO L225 Difference]: With dead ends: 489 [2024-10-11 20:37:14,764 INFO L226 Difference]: Without dead ends: 484 [2024-10-11 20:37:14,764 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 256 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2024-10-11 20:37:14,765 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 461 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 574 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 473 SdHoareTripleChecker+Valid, 446 SdHoareTripleChecker+Invalid, 595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 20:37:14,765 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [473 Valid, 446 Invalid, 595 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 574 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 20:37:14,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2024-10-11 20:37:14,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 462. [2024-10-11 20:37:14,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 462 states, 351 states have (on average 1.393162393162393) internal successors, (489), 434 states have internal predecessors, (489), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-10-11 20:37:14,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 541 transitions. [2024-10-11 20:37:14,780 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 541 transitions. Word has length 122 [2024-10-11 20:37:14,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:37:14,781 INFO L471 AbstractCegarLoop]: Abstraction has 462 states and 541 transitions. [2024-10-11 20:37:14,781 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 31.428571428571427) internal successors, (220), 8 states have internal predecessors, (220), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2024-10-11 20:37:14,781 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 541 transitions. [2024-10-11 20:37:14,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-10-11 20:37:14,782 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:37:14,782 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 20:37:14,799 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-11 20:37:14,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,10 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:37:14,983 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-11 20:37:14,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:37:14,983 INFO L85 PathProgramCache]: Analyzing trace with hash -119896791, now seen corresponding path program 1 times [2024-10-11 20:37:14,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:37:14,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024553940] [2024-10-11 20:37:14,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:37:14,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:37:15,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:37:15,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [600590488] [2024-10-11 20:37:15,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:37:15,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:37:15,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:37:15,006 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 20:37:15,007 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 20:37:15,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:15,065 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-11 20:37:15,068 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:37:15,524 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-11 20:37:15,524 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:37:15,830 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-11 20:37:15,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:37:15,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024553940] [2024-10-11 20:37:15,830 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:37:15,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [600590488] [2024-10-11 20:37:15,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [600590488] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:37:15,831 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 20:37:15,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-10-11 20:37:15,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566337610] [2024-10-11 20:37:15,831 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 20:37:15,831 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 20:37:15,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:37:15,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 20:37:15,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:37:15,833 INFO L87 Difference]: Start difference. First operand 462 states and 541 transitions. Second operand has 10 states, 9 states have (on average 18.555555555555557) internal successors, (167), 10 states have internal predecessors, (167), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-10-11 20:37:19,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:37:19,863 INFO L93 Difference]: Finished difference Result 508 states and 548 transitions. [2024-10-11 20:37:19,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-11 20:37:19,864 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 18.555555555555557) internal successors, (167), 10 states have internal predecessors, (167), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 123 [2024-10-11 20:37:19,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:37:19,866 INFO L225 Difference]: With dead ends: 508 [2024-10-11 20:37:19,866 INFO L226 Difference]: Without dead ends: 413 [2024-10-11 20:37:19,866 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2024-10-11 20:37:19,867 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 538 mSDsluCounter, 385 mSDsCounter, 0 mSdLazyCounter, 1516 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 545 SdHoareTripleChecker+Valid, 475 SdHoareTripleChecker+Invalid, 1595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 1516 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2024-10-11 20:37:19,867 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [545 Valid, 475 Invalid, 1595 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 1516 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2024-10-11 20:37:19,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2024-10-11 20:37:19,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 409. [2024-10-11 20:37:19,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 303 states have (on average 1.3267326732673268) internal successors, (402), 384 states have internal predecessors, (402), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 20:37:19,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 448 transitions. [2024-10-11 20:37:19,882 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 448 transitions. Word has length 123 [2024-10-11 20:37:19,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:37:19,883 INFO L471 AbstractCegarLoop]: Abstraction has 409 states and 448 transitions. [2024-10-11 20:37:19,883 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 18.555555555555557) internal successors, (167), 10 states have internal predecessors, (167), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-10-11 20:37:19,883 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 448 transitions. [2024-10-11 20:37:19,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-10-11 20:37:19,884 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:37:19,884 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-10-11 20:37:19,911 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-10-11 20:37:20,085 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,SelfDestructingSolverStorable21 [2024-10-11 20:37:20,085 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-11 20:37:20,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:37:20,086 INFO L85 PathProgramCache]: Analyzing trace with hash 1525566786, now seen corresponding path program 1 times [2024-10-11 20:37:20,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:37:20,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094617564] [2024-10-11 20:37:20,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:37:20,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:37:20,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:20,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 20:37:20,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:20,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-11 20:37:20,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:20,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:37:20,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:20,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 20:37:20,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:20,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 20:37:20,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:20,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 20:37:20,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:20,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 20:37:20,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:20,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 20:37:20,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:20,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 20:37:20,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:20,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 20:37:20,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:20,175 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2024-10-11 20:37:20,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:37:20,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094617564] [2024-10-11 20:37:20,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094617564] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:37:20,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:37:20,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:37:20,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560001111] [2024-10-11 20:37:20,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:37:20,176 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:37:20,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:37:20,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:37:20,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:37:20,177 INFO L87 Difference]: Start difference. First operand 409 states and 448 transitions. Second operand has 3 states, 2 states have (on average 44.0) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-11 20:37:20,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:37:20,747 INFO L93 Difference]: Finished difference Result 409 states and 448 transitions. [2024-10-11 20:37:20,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:37:20,747 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 44.0) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 165 [2024-10-11 20:37:20,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:37:20,749 INFO L225 Difference]: With dead ends: 409 [2024-10-11 20:37:20,749 INFO L226 Difference]: Without dead ends: 406 [2024-10-11 20:37:20,749 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 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 20:37:20,749 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 125 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 20:37:20,750 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 152 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 20:37:20,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2024-10-11 20:37:20,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 406. [2024-10-11 20:37:20,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 406 states, 303 states have (on average 1.3135313531353134) internal successors, (398), 381 states have internal predecessors, (398), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 20:37:20,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 444 transitions. [2024-10-11 20:37:20,763 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 444 transitions. Word has length 165 [2024-10-11 20:37:20,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:37:20,764 INFO L471 AbstractCegarLoop]: Abstraction has 406 states and 444 transitions. [2024-10-11 20:37:20,764 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 44.0) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-11 20:37:20,764 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 444 transitions. [2024-10-11 20:37:20,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-10-11 20:37:20,766 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:37:20,766 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:37:20,766 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-10-11 20:37:20,766 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr60ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-11 20:37:20,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:37:20,767 INFO L85 PathProgramCache]: Analyzing trace with hash 1407991915, now seen corresponding path program 1 times [2024-10-11 20:37:20,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:37:20,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816259425] [2024-10-11 20:37:20,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:37:20,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:37:20,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:37:20,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1597277003] [2024-10-11 20:37:20,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:37:20,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:37:20,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:37:20,792 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 20:37:20,793 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 20:37:20,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:20,861 INFO L255 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-11 20:37:20,863 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:37:21,166 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-10-11 20:37:21,167 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:37:22,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:37:22,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816259425] [2024-10-11 20:37:22,469 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:37:22,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1597277003] [2024-10-11 20:37:22,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1597277003] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:37:22,469 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:37:22,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-10-11 20:37:22,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967801545] [2024-10-11 20:37:22,469 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:37:22,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 20:37:22,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:37:22,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 20:37:22,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:37:22,470 INFO L87 Difference]: Start difference. First operand 406 states and 444 transitions. Second operand has 7 states, 6 states have (on average 19.5) internal successors, (117), 7 states have internal predecessors, (117), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2024-10-11 20:37:23,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:37:23,088 INFO L93 Difference]: Finished difference Result 412 states and 444 transitions. [2024-10-11 20:37:23,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 20:37:23,088 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 19.5) internal successors, (117), 7 states have internal predecessors, (117), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) Word has length 169 [2024-10-11 20:37:23,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:37:23,089 INFO L225 Difference]: With dead ends: 412 [2024-10-11 20:37:23,090 INFO L226 Difference]: Without dead ends: 406 [2024-10-11 20:37:23,090 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2024-10-11 20:37:23,090 INFO L432 NwaCegarLoop]: 215 mSDtfsCounter, 59 mSDsluCounter, 788 mSDsCounter, 0 mSdLazyCounter, 685 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 1003 SdHoareTripleChecker+Invalid, 693 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 685 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 20:37:23,090 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 1003 Invalid, 693 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 685 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 20:37:23,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2024-10-11 20:37:23,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 406. [2024-10-11 20:37:23,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 406 states, 303 states have (on average 1.2937293729372936) internal successors, (392), 381 states have internal predecessors, (392), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 20:37:23,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 438 transitions. [2024-10-11 20:37:23,107 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 438 transitions. Word has length 169 [2024-10-11 20:37:23,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:37:23,108 INFO L471 AbstractCegarLoop]: Abstraction has 406 states and 438 transitions. [2024-10-11 20:37:23,108 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 19.5) internal successors, (117), 7 states have internal predecessors, (117), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2024-10-11 20:37:23,108 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 438 transitions. [2024-10-11 20:37:23,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-10-11 20:37:23,109 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:37:23,110 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-10-11 20:37:23,128 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 20:37:23,311 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,SelfDestructingSolverStorable23 [2024-10-11 20:37:23,311 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr64ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-11 20:37:23,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:37:23,312 INFO L85 PathProgramCache]: Analyzing trace with hash 168261999, now seen corresponding path program 1 times [2024-10-11 20:37:23,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:37:23,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064159713] [2024-10-11 20:37:23,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:37:23,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:37:23,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:37:23,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1153753508] [2024-10-11 20:37:23,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:37:23,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:37:23,338 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:37:23,339 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 20:37:23,341 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 20:37:23,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:23,414 INFO L255 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-10-11 20:37:23,417 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:37:24,945 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-10-11 20:37:24,946 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:37:25,908 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-10-11 20:37:25,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:37:25,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064159713] [2024-10-11 20:37:25,909 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:37:25,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1153753508] [2024-10-11 20:37:25,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1153753508] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:37:25,909 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 20:37:25,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2024-10-11 20:37:25,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569712304] [2024-10-11 20:37:25,910 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 20:37:25,910 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 20:37:25,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:37:25,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 20:37:25,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-10-11 20:37:25,911 INFO L87 Difference]: Start difference. First operand 406 states and 438 transitions. Second operand has 11 states, 10 states have (on average 23.9) internal successors, (239), 11 states have internal predecessors, (239), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2024-10-11 20:37:31,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:37:31,204 INFO L93 Difference]: Finished difference Result 410 states and 438 transitions. [2024-10-11 20:37:31,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 20:37:31,205 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 23.9) internal successors, (239), 11 states have internal predecessors, (239), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 173 [2024-10-11 20:37:31,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:37:31,206 INFO L225 Difference]: With dead ends: 410 [2024-10-11 20:37:31,206 INFO L226 Difference]: Without dead ends: 406 [2024-10-11 20:37:31,207 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 350 GetRequests, 335 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2024-10-11 20:37:31,207 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 450 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 1410 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 455 SdHoareTripleChecker+Valid, 301 SdHoareTripleChecker+Invalid, 1436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 1410 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:37:31,207 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [455 Valid, 301 Invalid, 1436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 1410 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2024-10-11 20:37:31,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2024-10-11 20:37:31,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 406. [2024-10-11 20:37:31,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 406 states, 303 states have (on average 1.2805280528052805) internal successors, (388), 381 states have internal predecessors, (388), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 20:37:31,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 434 transitions. [2024-10-11 20:37:31,224 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 434 transitions. Word has length 173 [2024-10-11 20:37:31,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:37:31,224 INFO L471 AbstractCegarLoop]: Abstraction has 406 states and 434 transitions. [2024-10-11 20:37:31,224 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 23.9) internal successors, (239), 11 states have internal predecessors, (239), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2024-10-11 20:37:31,225 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 434 transitions. [2024-10-11 20:37:31,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-10-11 20:37:31,225 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:37:31,226 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 20:37:31,242 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 20:37:31,429 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 20:37:31,429 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr78ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-11 20:37:31,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:37:31,430 INFO L85 PathProgramCache]: Analyzing trace with hash -1539470719, now seen corresponding path program 1 times [2024-10-11 20:37:31,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:37:31,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614142361] [2024-10-11 20:37:31,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:37:31,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:37:31,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:37:31,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1839631545] [2024-10-11 20:37:31,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:37:31,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:37:31,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:37:31,460 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 20:37:31,462 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 20:37:31,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:31,542 INFO L255 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-11 20:37:31,544 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:37:32,103 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-10-11 20:37:32,103 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:37:32,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:37:32,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614142361] [2024-10-11 20:37:32,748 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:37:32,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1839631545] [2024-10-11 20:37:32,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1839631545] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:37:32,748 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:37:32,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-10-11 20:37:32,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890018556] [2024-10-11 20:37:32,748 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:37:32,748 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 20:37:32,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:37:32,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 20:37:32,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2024-10-11 20:37:32,750 INFO L87 Difference]: Start difference. First operand 406 states and 434 transitions. Second operand has 8 states, 7 states have (on average 19.285714285714285) internal successors, (135), 8 states have internal predecessors, (135), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-10-11 20:37:33,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:37:33,552 INFO L93 Difference]: Finished difference Result 409 states and 434 transitions. [2024-10-11 20:37:33,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 20:37:33,552 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 19.285714285714285) internal successors, (135), 8 states have internal predecessors, (135), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 192 [2024-10-11 20:37:33,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:37:33,554 INFO L225 Difference]: With dead ends: 409 [2024-10-11 20:37:33,554 INFO L226 Difference]: Without dead ends: 406 [2024-10-11 20:37:33,554 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2024-10-11 20:37:33,555 INFO L432 NwaCegarLoop]: 177 mSDtfsCounter, 45 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 1124 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 368 SdHoareTripleChecker+Invalid, 1129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-11 20:37:33,555 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 368 Invalid, 1129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1124 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-11 20:37:33,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2024-10-11 20:37:33,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 406. [2024-10-11 20:37:33,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 406 states, 303 states have (on average 1.2706270627062706) internal successors, (385), 381 states have internal predecessors, (385), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 20:37:33,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 431 transitions. [2024-10-11 20:37:33,572 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 431 transitions. Word has length 192 [2024-10-11 20:37:33,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:37:33,573 INFO L471 AbstractCegarLoop]: Abstraction has 406 states and 431 transitions. [2024-10-11 20:37:33,573 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 19.285714285714285) internal successors, (135), 8 states have internal predecessors, (135), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-10-11 20:37:33,573 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 431 transitions. [2024-10-11 20:37:33,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-10-11 20:37:33,574 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:37:33,574 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-10-11 20:37:33,592 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-10-11 20:37:33,778 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 20:37:33,779 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr79ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-11 20:37:33,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:37:33,779 INFO L85 PathProgramCache]: Analyzing trace with hash -478951810, now seen corresponding path program 1 times [2024-10-11 20:37:33,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:37:33,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284585280] [2024-10-11 20:37:33,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:37:33,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:37:33,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:33,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 20:37:33,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:33,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-11 20:37:33,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:33,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:37:34,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:34,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 20:37:34,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:34,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 20:37:34,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:34,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 20:37:34,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:34,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 20:37:34,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:34,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 20:37:34,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:34,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 20:37:34,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:34,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 20:37:34,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:34,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 20:37:34,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:34,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 20:37:34,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:34,031 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-10-11 20:37:34,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:37:34,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284585280] [2024-10-11 20:37:34,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284585280] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:37:34,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1823555550] [2024-10-11 20:37:34,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:37:34,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:37:34,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:37:34,034 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 20:37:34,035 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 20:37:34,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:34,105 INFO L255 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-11 20:37:34,108 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:37:34,844 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-10-11 20:37:34,844 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:37:35,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1823555550] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:37:35,269 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 20:37:35,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2024-10-11 20:37:35,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703765308] [2024-10-11 20:37:35,269 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 20:37:35,270 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 20:37:35,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:37:35,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 20:37:35,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2024-10-11 20:37:35,271 INFO L87 Difference]: Start difference. First operand 406 states and 431 transitions. Second operand has 11 states, 10 states have (on average 26.7) internal successors, (267), 11 states have internal predecessors, (267), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-10-11 20:37:36,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:37:36,708 INFO L93 Difference]: Finished difference Result 406 states and 431 transitions. [2024-10-11 20:37:36,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 20:37:36,709 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 26.7) internal successors, (267), 11 states have internal predecessors, (267), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) Word has length 193 [2024-10-11 20:37:36,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:37:36,710 INFO L225 Difference]: With dead ends: 406 [2024-10-11 20:37:36,710 INFO L226 Difference]: Without dead ends: 402 [2024-10-11 20:37:36,711 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2024-10-11 20:37:36,711 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 507 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 1132 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 507 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 1176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 1132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:37:36,711 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [507 Valid, 188 Invalid, 1176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 1132 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-11 20:37:36,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2024-10-11 20:37:36,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 402. [2024-10-11 20:37:36,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 402 states, 303 states have (on average 1.2541254125412542) internal successors, (380), 377 states have internal predecessors, (380), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 20:37:36,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 426 transitions. [2024-10-11 20:37:36,730 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 426 transitions. Word has length 193 [2024-10-11 20:37:36,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:37:36,730 INFO L471 AbstractCegarLoop]: Abstraction has 402 states and 426 transitions. [2024-10-11 20:37:36,730 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 26.7) internal successors, (267), 11 states have internal predecessors, (267), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-10-11 20:37:36,731 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 426 transitions. [2024-10-11 20:37:36,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-10-11 20:37:36,731 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:37:36,732 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 3, 3, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 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] [2024-10-11 20:37:36,748 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 20:37:36,935 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 20:37:36,936 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-11 20:37:36,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:37:36,936 INFO L85 PathProgramCache]: Analyzing trace with hash -1102486096, now seen corresponding path program 1 times [2024-10-11 20:37:36,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:37:36,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564644773] [2024-10-11 20:37:36,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:37:36,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:37:36,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:37:36,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1731012345] [2024-10-11 20:37:36,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:37:36,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:37:36,971 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:37:36,973 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 20:37:36,974 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 20:37:37,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:37,049 INFO L255 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:37:37,051 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:37:37,214 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 0 proven. 103 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-10-11 20:37:37,215 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:37:37,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:37:37,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564644773] [2024-10-11 20:37:37,310 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:37:37,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1731012345] [2024-10-11 20:37:37,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1731012345] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:37:37,310 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:37:37,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-10-11 20:37:37,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207821340] [2024-10-11 20:37:37,311 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:37:37,311 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:37:37,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:37:37,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:37:37,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-11 20:37:37,313 INFO L87 Difference]: Start difference. First operand 402 states and 426 transitions. Second operand has 5 states, 4 states have (on average 34.25) internal successors, (137), 5 states have internal predecessors, (137), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-10-11 20:37:37,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:37:37,440 INFO L93 Difference]: Finished difference Result 605 states and 636 transitions. [2024-10-11 20:37:37,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:37:37,440 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 34.25) internal successors, (137), 5 states have internal predecessors, (137), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 194 [2024-10-11 20:37:37,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:37:37,442 INFO L225 Difference]: With dead ends: 605 [2024-10-11 20:37:37,442 INFO L226 Difference]: Without dead ends: 604 [2024-10-11 20:37:37,442 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-11 20:37:37,443 INFO L432 NwaCegarLoop]: 214 mSDtfsCounter, 253 mSDsluCounter, 459 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 673 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:37:37,443 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [263 Valid, 673 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:37:37,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 604 states. [2024-10-11 20:37:37,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 604 to 409. [2024-10-11 20:37:37,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 309 states have (on average 1.249190938511327) internal successors, (386), 383 states have internal predecessors, (386), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-10-11 20:37:37,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 434 transitions. [2024-10-11 20:37:37,461 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 434 transitions. Word has length 194 [2024-10-11 20:37:37,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:37:37,461 INFO L471 AbstractCegarLoop]: Abstraction has 409 states and 434 transitions. [2024-10-11 20:37:37,462 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 34.25) internal successors, (137), 5 states have internal predecessors, (137), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-10-11 20:37:37,462 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 434 transitions. [2024-10-11 20:37:37,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-10-11 20:37:37,463 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:37:37,463 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1] [2024-10-11 20:37:37,477 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-10-11 20:37:37,667 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 20:37:37,667 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr83ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-11 20:37:37,668 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:37:37,668 INFO L85 PathProgramCache]: Analyzing trace with hash -545648702, now seen corresponding path program 1 times [2024-10-11 20:37:37,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:37:37,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376984011] [2024-10-11 20:37:37,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:37:37,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:37:37,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:37:37,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1144701915] [2024-10-11 20:37:37,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:37:37,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:37:37,689 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:37:37,691 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 20:37:37,694 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 20:37:37,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:37,766 INFO L255 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-11 20:37:37,768 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:37:38,281 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-10-11 20:37:38,282 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:37:42,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:37:42,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376984011] [2024-10-11 20:37:42,922 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:37:42,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1144701915] [2024-10-11 20:37:42,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1144701915] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:37:42,922 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:37:42,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-10-11 20:37:42,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297585578] [2024-10-11 20:37:42,923 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:37:42,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 20:37:42,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:37:42,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 20:37:42,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2024-10-11 20:37:42,924 INFO L87 Difference]: Start difference. First operand 409 states and 434 transitions. Second operand has 9 states, 8 states have (on average 17.5) internal successors, (140), 9 states have internal predecessors, (140), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-10-11 20:37:43,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:37:43,716 INFO L93 Difference]: Finished difference Result 411 states and 434 transitions. [2024-10-11 20:37:43,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 20:37:43,716 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 17.5) internal successors, (140), 9 states have internal predecessors, (140), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 197 [2024-10-11 20:37:43,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:37:43,718 INFO L225 Difference]: With dead ends: 411 [2024-10-11 20:37:43,718 INFO L226 Difference]: Without dead ends: 375 [2024-10-11 20:37:43,718 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 320 GetRequests, 305 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2024-10-11 20:37:43,719 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 91 mSDsluCounter, 215 mSDsCounter, 0 mSdLazyCounter, 1117 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 1123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-11 20:37:43,719 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 391 Invalid, 1123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1117 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-11 20:37:43,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2024-10-11 20:37:43,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 375. [2024-10-11 20:37:43,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 277 states have (on average 1.2707581227436824) internal successors, (352), 351 states have internal predecessors, (352), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-11 20:37:43,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 396 transitions. [2024-10-11 20:37:43,736 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 396 transitions. Word has length 197 [2024-10-11 20:37:43,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:37:43,737 INFO L471 AbstractCegarLoop]: Abstraction has 375 states and 396 transitions. [2024-10-11 20:37:43,737 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 17.5) internal successors, (140), 9 states have internal predecessors, (140), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-10-11 20:37:43,737 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 396 transitions. [2024-10-11 20:37:43,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2024-10-11 20:37:43,738 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:37:43,738 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 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] [2024-10-11 20:37:43,756 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 20:37:43,938 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 20:37:43,939 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-11 20:37:43,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:37:43,940 INFO L85 PathProgramCache]: Analyzing trace with hash 748415565, now seen corresponding path program 2 times [2024-10-11 20:37:43,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:37:43,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157845969] [2024-10-11 20:37:43,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:37:43,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:37:43,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:37:43,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1545208089] [2024-10-11 20:37:43,975 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 20:37:43,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:37:43,975 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:37:43,977 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 20:37:43,978 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 20:37:44,055 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 20:37:44,056 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:37:44,057 INFO L255 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-10-11 20:37:44,060 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:37:44,623 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 0 proven. 109 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-11 20:37:44,623 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:37:49,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:37:49,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157845969] [2024-10-11 20:37:49,520 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:37:49,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1545208089] [2024-10-11 20:37:49,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1545208089] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:37:49,520 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:37:49,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-10-11 20:37:49,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054907692] [2024-10-11 20:37:49,520 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:37:49,521 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 20:37:49,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:37:49,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 20:37:49,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=86, Unknown=1, NotChecked=0, Total=132 [2024-10-11 20:37:49,521 INFO L87 Difference]: Start difference. First operand 375 states and 396 transitions. Second operand has 9 states, 8 states have (on average 17.375) internal successors, (139), 9 states have internal predecessors, (139), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-10-11 20:37:50,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:37:50,509 INFO L93 Difference]: Finished difference Result 527 states and 604 transitions. [2024-10-11 20:37:50,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 20:37:50,509 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 17.375) internal successors, (139), 9 states have internal predecessors, (139), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 201 [2024-10-11 20:37:50,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:37:50,511 INFO L225 Difference]: With dead ends: 527 [2024-10-11 20:37:50,511 INFO L226 Difference]: Without dead ends: 506 [2024-10-11 20:37:50,511 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=45, Invalid=86, Unknown=1, NotChecked=0, Total=132 [2024-10-11 20:37:50,511 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 121 mSDsluCounter, 365 mSDsCounter, 0 mSdLazyCounter, 1932 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 1952 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1932 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:37:50,512 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 486 Invalid, 1952 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1932 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-11 20:37:50,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 506 states. [2024-10-11 20:37:50,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 506 to 494. [2024-10-11 20:37:50,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 494 states, 388 states have (on average 1.3144329896907216) internal successors, (510), 462 states have internal predecessors, (510), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-10-11 20:37:50,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 570 transitions. [2024-10-11 20:37:50,534 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 570 transitions. Word has length 201 [2024-10-11 20:37:50,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:37:50,534 INFO L471 AbstractCegarLoop]: Abstraction has 494 states and 570 transitions. [2024-10-11 20:37:50,534 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 17.375) internal successors, (139), 9 states have internal predecessors, (139), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-10-11 20:37:50,535 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 570 transitions. [2024-10-11 20:37:50,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-10-11 20:37:50,547 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:37:50,547 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2024-10-11 20:37:50,565 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 20:37:50,751 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 20:37:50,751 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-11 20:37:50,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:37:50,752 INFO L85 PathProgramCache]: Analyzing trace with hash 1726046128, now seen corresponding path program 2 times [2024-10-11 20:37:50,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:37:50,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029144200] [2024-10-11 20:37:50,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:37:50,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:37:50,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:50,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 20:37:50,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:50,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-11 20:37:50,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:50,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:37:50,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:50,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 20:37:50,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:50,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 20:37:50,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:50,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 20:37:50,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:50,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 20:37:50,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:50,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 20:37:50,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:50,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 20:37:50,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:50,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 20:37:50,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:50,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-11 20:37:50,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:50,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-11 20:37:50,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:50,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 20:37:50,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:50,945 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-11 20:37:50,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:37:50,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029144200] [2024-10-11 20:37:50,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029144200] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:37:50,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1141293868] [2024-10-11 20:37:50,946 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 20:37:50,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:37:50,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:37:50,948 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 20:37:50,950 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 20:37:51,041 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 20:37:51,041 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:37:51,043 INFO L255 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-11 20:37:51,045 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:37:51,497 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-11 20:37:51,497 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:37:51,714 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-11 20:37:51,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1141293868] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:37:51,714 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:37:51,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2024-10-11 20:37:51,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086789161] [2024-10-11 20:37:51,715 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:37:51,715 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-11 20:37:51,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:37:51,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-11 20:37:51,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2024-10-11 20:37:51,716 INFO L87 Difference]: Start difference. First operand 494 states and 570 transitions. Second operand has 13 states, 12 states have (on average 32.0) internal successors, (384), 13 states have internal predecessors, (384), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2024-10-11 20:37:53,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:37:53,946 INFO L93 Difference]: Finished difference Result 494 states and 570 transitions. [2024-10-11 20:37:53,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 20:37:53,947 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 32.0) internal successors, (384), 13 states have internal predecessors, (384), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) Word has length 202 [2024-10-11 20:37:53,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:37:53,948 INFO L225 Difference]: With dead ends: 494 [2024-10-11 20:37:53,948 INFO L226 Difference]: Without dead ends: 490 [2024-10-11 20:37:53,948 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 438 GetRequests, 422 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=211, Unknown=0, NotChecked=0, Total=306 [2024-10-11 20:37:53,949 INFO L432 NwaCegarLoop]: 122 mSDtfsCounter, 419 mSDsluCounter, 489 mSDsCounter, 0 mSdLazyCounter, 1400 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 419 SdHoareTripleChecker+Valid, 611 SdHoareTripleChecker+Invalid, 1432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 1400 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:37:53,949 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [419 Valid, 611 Invalid, 1432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 1400 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-10-11 20:37:53,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 490 states. [2024-10-11 20:37:53,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 490 to 490. [2024-10-11 20:37:53,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 490 states, 388 states have (on average 1.2938144329896908) internal successors, (502), 458 states have internal predecessors, (502), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-10-11 20:37:53,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 490 states and 562 transitions. [2024-10-11 20:37:53,972 INFO L78 Accepts]: Start accepts. Automaton has 490 states and 562 transitions. Word has length 202 [2024-10-11 20:37:53,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:37:53,972 INFO L471 AbstractCegarLoop]: Abstraction has 490 states and 562 transitions. [2024-10-11 20:37:53,972 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 32.0) internal successors, (384), 13 states have internal predecessors, (384), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2024-10-11 20:37:53,973 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 562 transitions. [2024-10-11 20:37:53,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2024-10-11 20:37:53,973 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:37:53,974 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2024-10-11 20:37:53,991 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 20:37:54,177 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 20:37:54,178 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-11 20:37:54,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:37:54,178 INFO L85 PathProgramCache]: Analyzing trace with hash 1967822511, now seen corresponding path program 2 times [2024-10-11 20:37:54,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:37:54,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927976551] [2024-10-11 20:37:54,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:37:54,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:37:54,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:54,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 20:37:54,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:54,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-11 20:37:54,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:54,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:37:54,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:54,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 20:37:54,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:54,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 20:37:54,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:54,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 20:37:54,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:54,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 20:37:54,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:54,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 20:37:54,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:54,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 20:37:54,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:54,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 20:37:54,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:54,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-11 20:37:54,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:54,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-11 20:37:54,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:54,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 20:37:54,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:54,402 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 0 proven. 113 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-11 20:37:54,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:37:54,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927976551] [2024-10-11 20:37:54,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927976551] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:37:54,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1233339653] [2024-10-11 20:37:54,403 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 20:37:54,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:37:54,403 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:37:54,405 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 20:37:54,410 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 20:37:54,484 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 20:37:54,484 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:37:54,485 INFO L255 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-11 20:37:54,487 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:37:54,901 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 0 proven. 113 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-11 20:37:54,901 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:37:55,121 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 0 proven. 113 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-11 20:37:55,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1233339653] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:37:55,121 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:37:55,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2024-10-11 20:37:55,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956045862] [2024-10-11 20:37:55,122 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:37:55,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-11 20:37:55,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:37:55,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-11 20:37:55,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2024-10-11 20:37:55,123 INFO L87 Difference]: Start difference. First operand 490 states and 562 transitions. Second operand has 13 states, 12 states have (on average 32.166666666666664) internal successors, (386), 13 states have internal predecessors, (386), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2024-10-11 20:37:56,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:37:56,495 INFO L93 Difference]: Finished difference Result 545 states and 610 transitions. [2024-10-11 20:37:56,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 20:37:56,496 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 32.166666666666664) internal successors, (386), 13 states have internal predecessors, (386), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) Word has length 203 [2024-10-11 20:37:56,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:37:56,497 INFO L225 Difference]: With dead ends: 545 [2024-10-11 20:37:56,497 INFO L226 Difference]: Without dead ends: 543 [2024-10-11 20:37:56,498 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 439 GetRequests, 424 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=169, Unknown=0, NotChecked=0, Total=272 [2024-10-11 20:37:56,498 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 380 mSDsluCounter, 445 mSDsCounter, 0 mSdLazyCounter, 1018 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 387 SdHoareTripleChecker+Valid, 542 SdHoareTripleChecker+Invalid, 1038 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1018 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:37:56,498 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [387 Valid, 542 Invalid, 1038 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1018 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-11 20:37:56,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2024-10-11 20:37:56,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 518. [2024-10-11 20:37:56,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 518 states, 413 states have (on average 1.278450363196126) internal successors, (528), 483 states have internal predecessors, (528), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-10-11 20:37:56,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 518 states and 594 transitions. [2024-10-11 20:37:56,521 INFO L78 Accepts]: Start accepts. Automaton has 518 states and 594 transitions. Word has length 203 [2024-10-11 20:37:56,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:37:56,521 INFO L471 AbstractCegarLoop]: Abstraction has 518 states and 594 transitions. [2024-10-11 20:37:56,521 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 32.166666666666664) internal successors, (386), 13 states have internal predecessors, (386), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2024-10-11 20:37:56,521 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 594 transitions. [2024-10-11 20:37:56,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-10-11 20:37:56,523 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:37:56,523 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2024-10-11 20:37:56,537 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 20:37:56,724 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 20:37:56,724 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-11 20:37:56,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:37:56,724 INFO L85 PathProgramCache]: Analyzing trace with hash 1291825937, now seen corresponding path program 1 times [2024-10-11 20:37:56,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:37:56,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074111254] [2024-10-11 20:37:56,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:37:56,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:37:56,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:56,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 20:37:56,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:56,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-11 20:37:56,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:56,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:37:56,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:56,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 20:37:56,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:57,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 20:37:57,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:57,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 20:37:57,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:57,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 20:37:57,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:57,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 20:37:57,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:57,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 20:37:57,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:57,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 20:37:57,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:57,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-11 20:37:57,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:57,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-11 20:37:57,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:57,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 20:37:57,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:57,027 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-11 20:37:57,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:37:57,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074111254] [2024-10-11 20:37:57,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074111254] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:37:57,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [421580787] [2024-10-11 20:37:57,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:37:57,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:37:57,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:37:57,030 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 20:37:57,031 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 20:37:57,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:37:57,104 INFO L255 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-11 20:37:57,107 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:37:57,638 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-11 20:37:57,638 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:37:57,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [421580787] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:37:57,895 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 20:37:57,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-10-11 20:37:57,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334512447] [2024-10-11 20:37:57,895 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 20:37:57,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 20:37:57,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:37:57,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 20:37:57,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2024-10-11 20:37:57,896 INFO L87 Difference]: Start difference. First operand 518 states and 594 transitions. Second operand has 11 states, 10 states have (on average 25.7) internal successors, (257), 11 states have internal predecessors, (257), 5 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) [2024-10-11 20:38:02,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:38:02,910 INFO L93 Difference]: Finished difference Result 518 states and 594 transitions. [2024-10-11 20:38:02,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 20:38:02,911 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 25.7) internal successors, (257), 11 states have internal predecessors, (257), 5 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) Word has length 205 [2024-10-11 20:38:02,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:38:02,912 INFO L225 Difference]: With dead ends: 518 [2024-10-11 20:38:02,912 INFO L226 Difference]: Without dead ends: 506 [2024-10-11 20:38:02,913 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=112, Invalid=308, Unknown=0, NotChecked=0, Total=420 [2024-10-11 20:38:02,913 INFO L432 NwaCegarLoop]: 122 mSDtfsCounter, 457 mSDsluCounter, 575 mSDsCounter, 0 mSdLazyCounter, 1454 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 457 SdHoareTripleChecker+Valid, 697 SdHoareTripleChecker+Invalid, 1500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 1454 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-10-11 20:38:02,913 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [457 Valid, 697 Invalid, 1500 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 1454 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2024-10-11 20:38:02,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 506 states. [2024-10-11 20:38:02,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 506 to 506. [2024-10-11 20:38:02,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 506 states, 413 states have (on average 1.242130750605327) internal successors, (513), 471 states have internal predecessors, (513), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-10-11 20:38:02,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 579 transitions. [2024-10-11 20:38:02,938 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 579 transitions. Word has length 205 [2024-10-11 20:38:02,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:38:02,939 INFO L471 AbstractCegarLoop]: Abstraction has 506 states and 579 transitions. [2024-10-11 20:38:02,939 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 25.7) internal successors, (257), 11 states have internal predecessors, (257), 5 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) [2024-10-11 20:38:02,939 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 579 transitions. [2024-10-11 20:38:02,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-10-11 20:38:02,940 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:38:02,940 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2024-10-11 20:38:02,959 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 20:38:03,140 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 20:38:03,141 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-11 20:38:03,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:38:03,141 INFO L85 PathProgramCache]: Analyzing trace with hash 1879617366, now seen corresponding path program 1 times [2024-10-11 20:38:03,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:38:03,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304109991] [2024-10-11 20:38:03,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:03,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:38:03,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:38:03,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [76547075] [2024-10-11 20:38:03,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:03,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:38:03,168 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:38:03,170 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 20:38:03,172 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 20:38:03,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:03,247 INFO L255 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-10-11 20:38:03,249 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:38:03,815 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 123 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-11 20:38:03,815 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:38:04,458 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 123 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-11 20:38:04,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:38:04,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304109991] [2024-10-11 20:38:04,459 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:38:04,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [76547075] [2024-10-11 20:38:04,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [76547075] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:38:04,459 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 20:38:04,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2024-10-11 20:38:04,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21110105] [2024-10-11 20:38:04,459 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 20:38:04,459 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-11 20:38:04,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:38:04,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-11 20:38:04,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2024-10-11 20:38:04,460 INFO L87 Difference]: Start difference. First operand 506 states and 579 transitions. Second operand has 16 states, 15 states have (on average 19.133333333333333) internal successors, (287), 16 states have internal predecessors, (287), 6 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) [2024-10-11 20:38:06,003 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-11 20:38:11,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:38:11,576 INFO L93 Difference]: Finished difference Result 807 states and 976 transitions. [2024-10-11 20:38:11,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-11 20:38:11,576 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 19.133333333333333) internal successors, (287), 16 states have internal predecessors, (287), 6 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) Word has length 208 [2024-10-11 20:38:11,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:38:11,580 INFO L225 Difference]: With dead ends: 807 [2024-10-11 20:38:11,581 INFO L226 Difference]: Without dead ends: 722 [2024-10-11 20:38:11,581 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 421 GetRequests, 400 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=179, Invalid=327, Unknown=0, NotChecked=0, Total=506 [2024-10-11 20:38:11,582 INFO L432 NwaCegarLoop]: 123 mSDtfsCounter, 1103 mSDsluCounter, 849 mSDsCounter, 0 mSdLazyCounter, 2592 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1117 SdHoareTripleChecker+Valid, 972 SdHoareTripleChecker+Invalid, 2695 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 2592 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2024-10-11 20:38:11,582 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1117 Valid, 972 Invalid, 2695 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 2592 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time] [2024-10-11 20:38:11,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 722 states. [2024-10-11 20:38:11,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 722 to 524. [2024-10-11 20:38:11,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 524 states, 430 states have (on average 1.216279069767442) internal successors, (523), 487 states have internal predecessors, (523), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-10-11 20:38:11,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 593 transitions. [2024-10-11 20:38:11,622 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 593 transitions. Word has length 208 [2024-10-11 20:38:11,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:38:11,622 INFO L471 AbstractCegarLoop]: Abstraction has 524 states and 593 transitions. [2024-10-11 20:38:11,622 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 19.133333333333333) internal successors, (287), 16 states have internal predecessors, (287), 6 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) [2024-10-11 20:38:11,623 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 593 transitions. [2024-10-11 20:38:11,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2024-10-11 20:38:11,624 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:38:11,625 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:38:11,642 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-10-11 20:38:11,825 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 20:38:11,825 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr60ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-11 20:38:11,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:38:11,826 INFO L85 PathProgramCache]: Analyzing trace with hash -146920684, now seen corresponding path program 2 times [2024-10-11 20:38:11,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:38:11,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239020552] [2024-10-11 20:38:11,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:11,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:38:11,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:38:11,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [739972361] [2024-10-11 20:38:11,851 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 20:38:11,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:38:11,851 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:38:11,852 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 20:38:11,854 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 20:38:11,941 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 20:38:11,941 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:38:11,943 INFO L255 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-11 20:38:11,946 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:38:12,714 INFO L134 CoverageAnalysis]: Checked inductivity of 647 backedges. 0 proven. 167 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-10-11 20:38:12,715 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:38:13,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:38:13,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239020552] [2024-10-11 20:38:13,442 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:38:13,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [739972361] [2024-10-11 20:38:13,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [739972361] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:38:13,442 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:38:13,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-10-11 20:38:13,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722409017] [2024-10-11 20:38:13,443 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:38:13,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 20:38:13,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:38:13,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 20:38:13,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2024-10-11 20:38:13,444 INFO L87 Difference]: Start difference. First operand 524 states and 593 transitions. Second operand has 9 states, 8 states have (on average 21.625) internal successors, (173), 9 states have internal predecessors, (173), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-10-11 20:38:15,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:38:15,321 INFO L93 Difference]: Finished difference Result 524 states and 593 transitions. [2024-10-11 20:38:15,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-11 20:38:15,321 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 21.625) internal successors, (173), 9 states have internal predecessors, (173), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 250 [2024-10-11 20:38:15,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:38:15,323 INFO L225 Difference]: With dead ends: 524 [2024-10-11 20:38:15,323 INFO L226 Difference]: Without dead ends: 523 [2024-10-11 20:38:15,323 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 351 GetRequests, 333 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=121, Invalid=259, Unknown=0, NotChecked=0, Total=380 [2024-10-11 20:38:15,324 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 653 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 1085 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 653 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 1131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 1085 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-10-11 20:38:15,324 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [653 Valid, 153 Invalid, 1131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 1085 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-10-11 20:38:15,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 523 states. [2024-10-11 20:38:15,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 523 to 523. [2024-10-11 20:38:15,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 523 states, 430 states have (on average 1.2116279069767442) internal successors, (521), 486 states have internal predecessors, (521), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-10-11 20:38:15,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 591 transitions. [2024-10-11 20:38:15,353 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 591 transitions. Word has length 250 [2024-10-11 20:38:15,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:38:15,354 INFO L471 AbstractCegarLoop]: Abstraction has 523 states and 591 transitions. [2024-10-11 20:38:15,354 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 21.625) internal successors, (173), 9 states have internal predecessors, (173), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-10-11 20:38:15,354 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 591 transitions. [2024-10-11 20:38:15,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2024-10-11 20:38:15,356 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:38:15,356 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:38:15,374 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-10-11 20:38:15,559 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 20:38:15,560 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-11 20:38:15,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:38:15,560 INFO L85 PathProgramCache]: Analyzing trace with hash -259573722, now seen corresponding path program 1 times [2024-10-11 20:38:15,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:38:15,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865028366] [2024-10-11 20:38:15,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:15,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:38:15,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:38:15,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [659274938] [2024-10-11 20:38:15,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:15,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:38:15,584 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:38:15,586 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 20:38:15,593 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 20:38:15,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:15,674 INFO L255 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-11 20:38:15,677 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:38:15,966 INFO L134 CoverageAnalysis]: Checked inductivity of 647 backedges. 0 proven. 167 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-10-11 20:38:15,966 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:38:17,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:38:17,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865028366] [2024-10-11 20:38:17,170 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:38:17,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [659274938] [2024-10-11 20:38:17,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [659274938] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:38:17,170 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:38:17,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-10-11 20:38:17,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918374317] [2024-10-11 20:38:17,170 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:38:17,171 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 20:38:17,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:38:17,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 20:38:17,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-10-11 20:38:17,172 INFO L87 Difference]: Start difference. First operand 523 states and 591 transitions. Second operand has 8 states, 7 states have (on average 24.857142857142858) internal successors, (174), 8 states have internal predecessors, (174), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2024-10-11 20:38:17,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:38:17,707 INFO L93 Difference]: Finished difference Result 524 states and 591 transitions. [2024-10-11 20:38:17,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 20:38:17,708 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 24.857142857142858) internal successors, (174), 8 states have internal predecessors, (174), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) Word has length 251 [2024-10-11 20:38:17,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:38:17,709 INFO L225 Difference]: With dead ends: 524 [2024-10-11 20:38:17,709 INFO L226 Difference]: Without dead ends: 523 [2024-10-11 20:38:17,709 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 304 GetRequests, 294 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-10-11 20:38:17,710 INFO L432 NwaCegarLoop]: 239 mSDtfsCounter, 58 mSDsluCounter, 860 mSDsCounter, 0 mSdLazyCounter, 787 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 1099 SdHoareTripleChecker+Invalid, 790 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 787 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 20:38:17,710 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 1099 Invalid, 790 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 787 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 20:38:17,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 523 states. [2024-10-11 20:38:17,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 523 to 523. [2024-10-11 20:38:17,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 523 states, 430 states have (on average 1.2093023255813953) internal successors, (520), 486 states have internal predecessors, (520), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-10-11 20:38:17,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 590 transitions. [2024-10-11 20:38:17,747 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 590 transitions. Word has length 251 [2024-10-11 20:38:17,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:38:17,747 INFO L471 AbstractCegarLoop]: Abstraction has 523 states and 590 transitions. [2024-10-11 20:38:17,748 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 24.857142857142858) internal successors, (174), 8 states have internal predecessors, (174), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2024-10-11 20:38:17,748 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 590 transitions. [2024-10-11 20:38:17,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2024-10-11 20:38:17,749 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:38:17,749 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:38:17,762 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 20:38:17,950 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 20:38:17,950 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr64ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-11 20:38:17,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:38:17,950 INFO L85 PathProgramCache]: Analyzing trace with hash -2019432552, now seen corresponding path program 2 times [2024-10-11 20:38:17,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:38:17,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799701133] [2024-10-11 20:38:17,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:17,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:38:17,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:38:17,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [527028922] [2024-10-11 20:38:17,977 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 20:38:17,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:38:17,977 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:38:17,979 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 20:38:17,980 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 20:38:18,140 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 20:38:18,140 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:38:18,142 INFO L255 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-10-11 20:38:18,145 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:38:20,223 INFO L134 CoverageAnalysis]: Checked inductivity of 647 backedges. 0 proven. 167 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-10-11 20:38:20,223 INFO L311 TraceCheckSpWp]: Computing backward predicates...