./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_valuebound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound20.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d3c61dee0c4c48de96844df391dc470a843cae078bb175116ed4a6b789669168 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 20:34:36,789 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 20:34:36,880 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-14 20:34:36,887 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 20:34:36,887 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 20:34:36,915 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 20:34:36,916 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 20:34:36,916 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 20:34:36,917 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 20:34:36,917 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 20:34:36,917 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 20:34:36,918 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 20:34:36,919 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 20:34:36,923 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 20:34:36,923 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 20:34:36,924 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 20:34:36,924 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 20:34:36,924 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 20:34:36,924 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 20:34:36,925 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 20:34:36,925 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 20:34:36,927 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 20:34:36,927 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 20:34:36,927 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 20:34:36,927 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 20:34:36,928 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-14 20:34:36,928 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 20:34:36,928 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 20:34:36,928 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 20:34:36,929 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 20:34:36,929 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 20:34:36,930 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 20:34:36,930 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 20:34:36,930 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 20:34:36,931 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 20:34:36,931 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 20:34:36,931 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 20:34:36,931 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 20:34:36,931 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 20:34:36,932 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 20:34:36,932 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 20:34:36,932 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 20:34:36,932 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 20:34:36,933 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 20:34:36,933 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d3c61dee0c4c48de96844df391dc470a843cae078bb175116ed4a6b789669168 [2024-10-14 20:34:37,206 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 20:34:37,235 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 20:34:37,238 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 20:34:37,239 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 20:34:37,239 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 20:34:37,241 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound20.c [2024-10-14 20:34:38,715 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 20:34:38,893 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 20:34:38,893 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound20.c [2024-10-14 20:34:38,900 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad645fdb7/df5dec1a697f4501a53eee991f7cf358/FLAGbb338975e [2024-10-14 20:34:39,294 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad645fdb7/df5dec1a697f4501a53eee991f7cf358 [2024-10-14 20:34:39,296 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 20:34:39,297 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 20:34:39,299 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 20:34:39,299 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 20:34:39,304 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 20:34:39,305 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:34:39" (1/1) ... [2024-10-14 20:34:39,305 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2142eea0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:34:39, skipping insertion in model container [2024-10-14 20:34:39,306 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:34:39" (1/1) ... [2024-10-14 20:34:39,323 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 20:34:39,522 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 20:34:39,531 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 20:34:39,555 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 20:34:39,578 INFO L204 MainTranslator]: Completed translation [2024-10-14 20:34:39,578 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:34:39 WrapperNode [2024-10-14 20:34:39,581 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 20:34:39,583 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 20:34:39,583 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 20:34:39,583 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 20:34:39,590 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:34:39" (1/1) ... [2024-10-14 20:34:39,602 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:34:39" (1/1) ... [2024-10-14 20:34:39,643 INFO L138 Inliner]: procedures = 14, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 192 [2024-10-14 20:34:39,644 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 20:34:39,644 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 20:34:39,645 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 20:34:39,645 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 20:34:39,662 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:34:39" (1/1) ... [2024-10-14 20:34:39,662 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:34:39" (1/1) ... [2024-10-14 20:34:39,664 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:34:39" (1/1) ... [2024-10-14 20:34:39,690 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]. [2024-10-14 20:34:39,690 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:34:39" (1/1) ... [2024-10-14 20:34:39,690 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:34:39" (1/1) ... [2024-10-14 20:34:39,695 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:34:39" (1/1) ... [2024-10-14 20:34:39,699 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:34:39" (1/1) ... [2024-10-14 20:34:39,701 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:34:39" (1/1) ... [2024-10-14 20:34:39,702 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:34:39" (1/1) ... [2024-10-14 20:34:39,704 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 20:34:39,705 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 20:34:39,705 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 20:34:39,706 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 20:34:39,706 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:34:39" (1/1) ... [2024-10-14 20:34:39,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 20:34:39,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:34:39,759 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-14 20:34:39,769 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-14 20:34:39,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 20:34:39,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 20:34:39,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 20:34:39,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 20:34:39,820 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-14 20:34:39,821 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-14 20:34:39,883 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 20:34:39,885 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 20:34:40,945 INFO L? ?]: Removed 239 outVars from TransFormulas that were not future-live. [2024-10-14 20:34:40,946 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 20:34:40,994 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 20:34:40,996 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 20:34:40,997 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:34:40 BoogieIcfgContainer [2024-10-14 20:34:40,997 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 20:34:40,999 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 20:34:40,999 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 20:34:41,003 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 20:34:41,003 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 08:34:39" (1/3) ... [2024-10-14 20:34:41,004 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20117de0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:34:41, skipping insertion in model container [2024-10-14 20:34:41,004 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:34:39" (2/3) ... [2024-10-14 20:34:41,005 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20117de0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:34:41, skipping insertion in model container [2024-10-14 20:34:41,005 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:34:40" (3/3) ... [2024-10-14 20:34:41,006 INFO L112 eAbstractionObserver]: Analyzing ICFG cohencu-ll_valuebound20.c [2024-10-14 20:34:41,023 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 20:34:41,024 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 138 error locations. [2024-10-14 20:34:41,107 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 20:34:41,113 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;@6f9c3f20, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 20:34:41,113 INFO L334 AbstractCegarLoop]: Starting to check reachability of 138 error locations. [2024-10-14 20:34:41,118 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) [2024-10-14 20:34:41,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-14 20:34:41,125 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:41,126 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-14 20:34:41,126 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)] === [2024-10-14 20:34:41,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:41,133 INFO L85 PathProgramCache]: Analyzing trace with hash 355713825, now seen corresponding path program 1 times [2024-10-14 20:34:41,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:41,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935405322] [2024-10-14 20:34:41,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:41,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:41,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:41,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:34:41,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:41,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935405322] [2024-10-14 20:34:41,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935405322] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:34:41,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:34:41,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 20:34:41,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164193550] [2024-10-14 20:34:41,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:34:41,293 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 20:34:41,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:41,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 20:34:41,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 20:34:41,320 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) [2024-10-14 20:34:41,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:41,375 INFO L93 Difference]: Finished difference Result 587 states and 632 transitions. [2024-10-14 20:34:41,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 20:34:41,378 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 [2024-10-14 20:34:41,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:41,386 INFO L225 Difference]: With dead ends: 587 [2024-10-14 20:34:41,387 INFO L226 Difference]: Without dead ends: 288 [2024-10-14 20:34:41,390 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 [2024-10-14 20:34:41,394 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 [2024-10-14 20:34:41,394 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] [2024-10-14 20:34:41,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2024-10-14 20:34:41,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 288. [2024-10-14 20:34:41,439 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) [2024-10-14 20:34:41,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 297 transitions. [2024-10-14 20:34:41,444 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 297 transitions. Word has length 5 [2024-10-14 20:34:41,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:41,447 INFO L471 AbstractCegarLoop]: Abstraction has 288 states and 297 transitions. [2024-10-14 20:34:41,447 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) [2024-10-14 20:34:41,448 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 297 transitions. [2024-10-14 20:34:41,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-14 20:34:41,448 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:41,448 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-14 20:34:41,448 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 20:34:41,448 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)] === [2024-10-14 20:34:41,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:41,449 INFO L85 PathProgramCache]: Analyzing trace with hash 355773348, now seen corresponding path program 1 times [2024-10-14 20:34:41,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:41,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8333837] [2024-10-14 20:34:41,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:41,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:41,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:41,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:34:41,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:41,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8333837] [2024-10-14 20:34:41,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8333837] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:34:41,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:34:41,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 20:34:41,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324569624] [2024-10-14 20:34:41,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:34:41,537 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 20:34:41,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:41,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 20:34:41,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:34:41,538 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) [2024-10-14 20:34:41,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:41,711 INFO L93 Difference]: Finished difference Result 557 states and 576 transitions. [2024-10-14 20:34:41,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 20:34:41,712 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 [2024-10-14 20:34:41,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:41,719 INFO L225 Difference]: With dead ends: 557 [2024-10-14 20:34:41,719 INFO L226 Difference]: Without dead ends: 537 [2024-10-14 20:34:41,719 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 [2024-10-14 20:34:41,722 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, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 20:34:41,723 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 519 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 20:34:41,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2024-10-14 20:34:41,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 347. [2024-10-14 20:34:41,752 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) [2024-10-14 20:34:41,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 389 transitions. [2024-10-14 20:34:41,754 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 389 transitions. Word has length 5 [2024-10-14 20:34:41,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:41,754 INFO L471 AbstractCegarLoop]: Abstraction has 347 states and 389 transitions. [2024-10-14 20:34:41,755 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) [2024-10-14 20:34:41,755 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 389 transitions. [2024-10-14 20:34:41,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-10-14 20:34:41,756 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:41,756 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] [2024-10-14 20:34:41,756 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 20:34:41,757 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)] === [2024-10-14 20:34:41,757 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:41,757 INFO L85 PathProgramCache]: Analyzing trace with hash -1772025106, now seen corresponding path program 1 times [2024-10-14 20:34:41,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:41,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162321378] [2024-10-14 20:34:41,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:41,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:41,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:34:41,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [802802614] [2024-10-14 20:34:41,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:41,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:34:41,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:34:41,814 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:34:41,816 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-14 20:34:41,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:41,876 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-14 20:34:41,881 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:34:42,101 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-14 20:34:42,102 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:34:42,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:42,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162321378] [2024-10-14 20:34:42,103 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:34:42,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [802802614] [2024-10-14 20:34:42,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [802802614] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:34:42,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:34:42,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 20:34:42,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145645623] [2024-10-14 20:34:42,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:34:42,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 20:34:42,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:42,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 20:34:42,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:34:42,108 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) [2024-10-14 20:34:42,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:42,634 INFO L93 Difference]: Finished difference Result 507 states and 564 transitions. [2024-10-14 20:34:42,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 20:34:42,634 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 [2024-10-14 20:34:42,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:42,640 INFO L225 Difference]: With dead ends: 507 [2024-10-14 20:34:42,640 INFO L226 Difference]: Without dead ends: 452 [2024-10-14 20:34:42,642 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 [2024-10-14 20:34:42,643 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 [2024-10-14 20:34:42,645 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] [2024-10-14 20:34:42,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states. [2024-10-14 20:34:42,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 432. [2024-10-14 20:34:42,664 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) [2024-10-14 20:34:42,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 502 transitions. [2024-10-14 20:34:42,667 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 502 transitions. Word has length 38 [2024-10-14 20:34:42,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:42,667 INFO L471 AbstractCegarLoop]: Abstraction has 432 states and 502 transitions. [2024-10-14 20:34:42,668 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) [2024-10-14 20:34:42,668 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 502 transitions. [2024-10-14 20:34:42,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-10-14 20:34:42,669 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:42,669 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] [2024-10-14 20:34:42,686 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-14 20:34:42,873 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:34:42,874 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)] === [2024-10-14 20:34:42,874 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:42,874 INFO L85 PathProgramCache]: Analyzing trace with hash -2109074736, now seen corresponding path program 1 times [2024-10-14 20:34:42,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:42,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400504458] [2024-10-14 20:34:42,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:42,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:42,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:42,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 20:34:42,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:42,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 20:34:43,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:43,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 20:34:43,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:43,019 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-14 20:34:43,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:43,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400504458] [2024-10-14 20:34:43,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1400504458] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:34:43,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:34:43,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 20:34:43,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139727940] [2024-10-14 20:34:43,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:34:43,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 20:34:43,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:43,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 20:34:43,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:34:43,025 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) [2024-10-14 20:34:43,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:43,426 INFO L93 Difference]: Finished difference Result 465 states and 509 transitions. [2024-10-14 20:34:43,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 20:34:43,426 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 [2024-10-14 20:34:43,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:43,428 INFO L225 Difference]: With dead ends: 465 [2024-10-14 20:34:43,429 INFO L226 Difference]: Without dead ends: 442 [2024-10-14 20:34:43,429 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 [2024-10-14 20:34:43,430 INFO L432 NwaCegarLoop]: 224 mSDtfsCounter, 120 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 20:34:43,430 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 424 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 20:34:43,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2024-10-14 20:34:43,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 432. [2024-10-14 20:34:43,445 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) [2024-10-14 20:34:43,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 479 transitions. [2024-10-14 20:34:43,447 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 479 transitions. Word has length 40 [2024-10-14 20:34:43,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:43,447 INFO L471 AbstractCegarLoop]: Abstraction has 432 states and 479 transitions. [2024-10-14 20:34:43,448 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) [2024-10-14 20:34:43,448 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 479 transitions. [2024-10-14 20:34:43,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-10-14 20:34:43,449 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:43,449 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] [2024-10-14 20:34:43,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 20:34:43,449 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)] === [2024-10-14 20:34:43,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:43,450 INFO L85 PathProgramCache]: Analyzing trace with hash 403745458, now seen corresponding path program 1 times [2024-10-14 20:34:43,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:43,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627071404] [2024-10-14 20:34:43,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:43,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:43,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:43,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 20:34:43,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:43,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 20:34:43,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:43,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 20:34:43,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:43,578 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-14 20:34:43,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:43,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627071404] [2024-10-14 20:34:43,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627071404] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:34:43,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:34:43,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:34:43,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249481334] [2024-10-14 20:34:43,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:34:43,585 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:34:43,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:43,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:34:43,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:34:43,586 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) [2024-10-14 20:34:44,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:44,593 INFO L93 Difference]: Finished difference Result 444 states and 486 transitions. [2024-10-14 20:34:44,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:34:44,594 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 [2024-10-14 20:34:44,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:44,596 INFO L225 Difference]: With dead ends: 444 [2024-10-14 20:34:44,596 INFO L226 Difference]: Without dead ends: 442 [2024-10-14 20:34:44,596 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 [2024-10-14 20:34:44,597 INFO L432 NwaCegarLoop]: 166 mSDtfsCounter, 253 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s 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, 1.0s IncrementalHoareTripleChecker+Time [2024-10-14 20:34:44,597 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [263 Valid, 366 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-14 20:34:44,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2024-10-14 20:34:44,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 432. [2024-10-14 20:34:44,608 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) [2024-10-14 20:34:44,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 477 transitions. [2024-10-14 20:34:44,610 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 477 transitions. Word has length 42 [2024-10-14 20:34:44,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:44,611 INFO L471 AbstractCegarLoop]: Abstraction has 432 states and 477 transitions. [2024-10-14 20:34:44,611 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) [2024-10-14 20:34:44,611 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 477 transitions. [2024-10-14 20:34:44,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-10-14 20:34:44,612 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:44,612 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:34:44,612 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 20:34:44,613 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)] === [2024-10-14 20:34:44,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:44,613 INFO L85 PathProgramCache]: Analyzing trace with hash -368792591, now seen corresponding path program 1 times [2024-10-14 20:34:44,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:44,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307983846] [2024-10-14 20:34:44,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:44,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:44,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:44,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 20:34:44,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:44,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 20:34:44,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:44,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 20:34:44,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:44,757 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-14 20:34:44,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:44,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307983846] [2024-10-14 20:34:44,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307983846] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:34:44,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:34:44,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:34:44,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876931265] [2024-10-14 20:34:44,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:34:44,759 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:34:44,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:44,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:34:44,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:34:44,767 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) [2024-10-14 20:34:45,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:45,856 INFO L93 Difference]: Finished difference Result 444 states and 484 transitions. [2024-10-14 20:34:45,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:34:45,857 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 [2024-10-14 20:34:45,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:45,859 INFO L225 Difference]: With dead ends: 444 [2024-10-14 20:34:45,860 INFO L226 Difference]: Without dead ends: 442 [2024-10-14 20:34:45,860 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 [2024-10-14 20:34:45,862 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 252 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s 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, 1.1s IncrementalHoareTripleChecker+Time [2024-10-14 20:34:45,863 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [262 Valid, 368 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-14 20:34:45,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2024-10-14 20:34:45,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 432. [2024-10-14 20:34:45,879 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) [2024-10-14 20:34:45,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 475 transitions. [2024-10-14 20:34:45,881 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 475 transitions. Word has length 43 [2024-10-14 20:34:45,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:45,883 INFO L471 AbstractCegarLoop]: Abstraction has 432 states and 475 transitions. [2024-10-14 20:34:45,884 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) [2024-10-14 20:34:45,884 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 475 transitions. [2024-10-14 20:34:45,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-10-14 20:34:45,885 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:45,885 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] [2024-10-14 20:34:45,885 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 20:34:45,885 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)] === [2024-10-14 20:34:45,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:45,886 INFO L85 PathProgramCache]: Analyzing trace with hash -173634954, now seen corresponding path program 1 times [2024-10-14 20:34:45,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:45,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585778044] [2024-10-14 20:34:45,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:45,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:45,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:34:45,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1210546374] [2024-10-14 20:34:45,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:45,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:34:45,913 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:34:45,914 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:34:45,916 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-14 20:34:45,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:45,959 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-14 20:34:45,962 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:34:46,189 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-14 20:34:46,189 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:34:46,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:46,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585778044] [2024-10-14 20:34:46,190 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:34:46,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1210546374] [2024-10-14 20:34:46,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1210546374] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:34:46,190 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:34:46,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 20:34:46,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372226729] [2024-10-14 20:34:46,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:34:46,191 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 20:34:46,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:46,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 20:34:46,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:34:46,191 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) [2024-10-14 20:34:46,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:46,588 INFO L93 Difference]: Finished difference Result 449 states and 482 transitions. [2024-10-14 20:34:46,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 20:34:46,588 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 [2024-10-14 20:34:46,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:46,590 INFO L225 Difference]: With dead ends: 449 [2024-10-14 20:34:46,590 INFO L226 Difference]: Without dead ends: 440 [2024-10-14 20:34:46,590 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 [2024-10-14 20:34:46,591 INFO L432 NwaCegarLoop]: 177 mSDtfsCounter, 112 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 337 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 20:34:46,593 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 256 Invalid, 345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 337 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 20:34:46,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2024-10-14 20:34:46,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 435. [2024-10-14 20:34:46,604 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) [2024-10-14 20:34:46,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 472 transitions. [2024-10-14 20:34:46,608 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 472 transitions. Word has length 46 [2024-10-14 20:34:46,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:46,608 INFO L471 AbstractCegarLoop]: Abstraction has 435 states and 472 transitions. [2024-10-14 20:34:46,609 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) [2024-10-14 20:34:46,609 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 472 transitions. [2024-10-14 20:34:46,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-10-14 20:34:46,611 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:46,611 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] [2024-10-14 20:34:46,627 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-14 20:34:46,811 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-10-14 20:34:46,812 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)] === [2024-10-14 20:34:46,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:46,812 INFO L85 PathProgramCache]: Analyzing trace with hash -1087716171, now seen corresponding path program 1 times [2024-10-14 20:34:46,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:46,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942872397] [2024-10-14 20:34:46,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:46,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:46,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:46,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 20:34:46,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:46,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 20:34:46,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:46,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 20:34:46,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:46,916 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-14 20:34:46,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:46,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942872397] [2024-10-14 20:34:46,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942872397] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:34:46,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:34:46,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:34:46,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659253605] [2024-10-14 20:34:46,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:34:46,918 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:34:46,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:46,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:34:46,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:34:46,919 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) [2024-10-14 20:34:47,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:47,528 INFO L93 Difference]: Finished difference Result 448 states and 473 transitions. [2024-10-14 20:34:47,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:34:47,529 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 [2024-10-14 20:34:47,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:47,530 INFO L225 Difference]: With dead ends: 448 [2024-10-14 20:34:47,531 INFO L226 Difference]: Without dead ends: 442 [2024-10-14 20:34:47,531 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 [2024-10-14 20:34:47,532 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 [2024-10-14 20:34:47,532 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] [2024-10-14 20:34:47,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2024-10-14 20:34:47,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 435. [2024-10-14 20:34:47,542 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) [2024-10-14 20:34:47,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 466 transitions. [2024-10-14 20:34:47,544 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 466 transitions. Word has length 47 [2024-10-14 20:34:47,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:47,544 INFO L471 AbstractCegarLoop]: Abstraction has 435 states and 466 transitions. [2024-10-14 20:34:47,545 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) [2024-10-14 20:34:47,545 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 466 transitions. [2024-10-14 20:34:47,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-10-14 20:34:47,545 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:47,546 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] [2024-10-14 20:34:47,546 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-14 20:34:47,546 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)] === [2024-10-14 20:34:47,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:47,547 INFO L85 PathProgramCache]: Analyzing trace with hash -296575623, now seen corresponding path program 1 times [2024-10-14 20:34:47,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:47,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059763134] [2024-10-14 20:34:47,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:47,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:47,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:47,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 20:34:47,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:47,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 20:34:47,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:47,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 20:34:47,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:47,657 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-14 20:34:47,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:47,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059763134] [2024-10-14 20:34:47,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059763134] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:34:47,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:34:47,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:34:47,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012250389] [2024-10-14 20:34:47,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:34:47,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:34:47,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:47,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:34:47,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:34:47,660 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) [2024-10-14 20:34:48,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:48,304 INFO L93 Difference]: Finished difference Result 446 states and 467 transitions. [2024-10-14 20:34:48,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 20:34:48,304 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 [2024-10-14 20:34:48,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:48,306 INFO L225 Difference]: With dead ends: 446 [2024-10-14 20:34:48,307 INFO L226 Difference]: Without dead ends: 373 [2024-10-14 20:34:48,307 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 [2024-10-14 20:34:48,308 INFO L432 NwaCegarLoop]: 189 mSDtfsCounter, 226 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 325 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 20:34:48,308 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 268 Invalid, 337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 325 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 20:34:48,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2024-10-14 20:34:48,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 369. [2024-10-14 20:34:48,319 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) [2024-10-14 20:34:48,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 391 transitions. [2024-10-14 20:34:48,321 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 391 transitions. Word has length 51 [2024-10-14 20:34:48,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:48,322 INFO L471 AbstractCegarLoop]: Abstraction has 369 states and 391 transitions. [2024-10-14 20:34:48,322 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) [2024-10-14 20:34:48,322 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 391 transitions. [2024-10-14 20:34:48,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-10-14 20:34:48,324 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:48,325 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] [2024-10-14 20:34:48,325 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-14 20:34:48,325 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)] === [2024-10-14 20:34:48,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:48,326 INFO L85 PathProgramCache]: Analyzing trace with hash -244803461, now seen corresponding path program 1 times [2024-10-14 20:34:48,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:48,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86680458] [2024-10-14 20:34:48,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:48,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:48,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:48,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 20:34:48,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:48,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 20:34:48,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:48,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 20:34:48,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:48,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 20:34:48,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:48,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-14 20:34:48,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:48,412 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-14 20:34:48,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:48,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86680458] [2024-10-14 20:34:48,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86680458] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:34:48,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:34:48,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 20:34:48,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90548584] [2024-10-14 20:34:48,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:34:48,414 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 20:34:48,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:48,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 20:34:48,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:34:48,415 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) [2024-10-14 20:34:48,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:48,730 INFO L93 Difference]: Finished difference Result 369 states and 391 transitions. [2024-10-14 20:34:48,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 20:34:48,731 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 [2024-10-14 20:34:48,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:48,732 INFO L225 Difference]: With dead ends: 369 [2024-10-14 20:34:48,733 INFO L226 Difference]: Without dead ends: 362 [2024-10-14 20:34:48,733 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 [2024-10-14 20:34:48,734 INFO L432 NwaCegarLoop]: 139 mSDtfsCounter, 138 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 20:34:48,734 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 153 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 20:34:48,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2024-10-14 20:34:48,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 362. [2024-10-14 20:34:48,743 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) [2024-10-14 20:34:48,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 384 transitions. [2024-10-14 20:34:48,745 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 384 transitions. Word has length 83 [2024-10-14 20:34:48,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:48,746 INFO L471 AbstractCegarLoop]: Abstraction has 362 states and 384 transitions. [2024-10-14 20:34:48,746 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) [2024-10-14 20:34:48,746 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 384 transitions. [2024-10-14 20:34:48,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-10-14 20:34:48,747 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:48,747 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] [2024-10-14 20:34:48,747 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-14 20:34:48,747 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)] === [2024-10-14 20:34:48,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:48,748 INFO L85 PathProgramCache]: Analyzing trace with hash 1001027467, now seen corresponding path program 1 times [2024-10-14 20:34:48,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:48,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145304514] [2024-10-14 20:34:48,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:48,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:48,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:48,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 20:34:48,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:48,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 20:34:48,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:48,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 20:34:48,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:48,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 20:34:48,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:48,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-14 20:34:48,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:48,838 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-14 20:34:48,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:48,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145304514] [2024-10-14 20:34:48,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [145304514] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:34:48,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:34:48,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 20:34:48,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509219250] [2024-10-14 20:34:48,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:34:48,840 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 20:34:48,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:48,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 20:34:48,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:34:48,841 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) [2024-10-14 20:34:49,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:49,226 INFO L93 Difference]: Finished difference Result 369 states and 387 transitions. [2024-10-14 20:34:49,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 20:34:49,226 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 [2024-10-14 20:34:49,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:49,228 INFO L225 Difference]: With dead ends: 369 [2024-10-14 20:34:49,228 INFO L226 Difference]: Without dead ends: 368 [2024-10-14 20:34:49,229 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 [2024-10-14 20:34:49,229 INFO L432 NwaCegarLoop]: 253 mSDtfsCounter, 24 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 20:34:49,230 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 391 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 20:34:49,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2024-10-14 20:34:49,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 364. [2024-10-14 20:34:49,239 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) [2024-10-14 20:34:49,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 386 transitions. [2024-10-14 20:34:49,240 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 386 transitions. Word has length 84 [2024-10-14 20:34:49,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:49,241 INFO L471 AbstractCegarLoop]: Abstraction has 364 states and 386 transitions. [2024-10-14 20:34:49,241 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) [2024-10-14 20:34:49,241 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 386 transitions. [2024-10-14 20:34:49,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-10-14 20:34:49,246 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:49,246 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] [2024-10-14 20:34:49,247 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-14 20:34:49,247 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)] === [2024-10-14 20:34:49,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:49,247 INFO L85 PathProgramCache]: Analyzing trace with hash 124206066, now seen corresponding path program 1 times [2024-10-14 20:34:49,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:49,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269752233] [2024-10-14 20:34:49,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:49,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:49,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:49,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 20:34:49,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:49,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 20:34:49,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:49,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 20:34:49,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:49,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 20:34:49,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:49,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-14 20:34:49,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:49,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 20:34:49,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:49,335 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-14 20:34:49,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:49,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269752233] [2024-10-14 20:34:49,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269752233] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:34:49,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:34:49,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 20:34:49,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750050343] [2024-10-14 20:34:49,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:34:49,336 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 20:34:49,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:49,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 20:34:49,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:34:49,337 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) [2024-10-14 20:34:49,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:49,601 INFO L93 Difference]: Finished difference Result 364 states and 386 transitions. [2024-10-14 20:34:49,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 20:34:49,602 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 [2024-10-14 20:34:49,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:49,603 INFO L225 Difference]: With dead ends: 364 [2024-10-14 20:34:49,604 INFO L226 Difference]: Without dead ends: 362 [2024-10-14 20:34:49,604 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 [2024-10-14 20:34:49,605 INFO L432 NwaCegarLoop]: 247 mSDtfsCounter, 192 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 [2024-10-14 20:34:49,605 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] [2024-10-14 20:34:49,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2024-10-14 20:34:49,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 362. [2024-10-14 20:34:49,614 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) [2024-10-14 20:34:49,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 382 transitions. [2024-10-14 20:34:49,615 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 382 transitions. Word has length 86 [2024-10-14 20:34:49,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:49,616 INFO L471 AbstractCegarLoop]: Abstraction has 362 states and 382 transitions. [2024-10-14 20:34:49,616 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) [2024-10-14 20:34:49,616 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 382 transitions. [2024-10-14 20:34:49,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-10-14 20:34:49,617 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:49,617 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] [2024-10-14 20:34:49,617 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-14 20:34:49,617 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)] === [2024-10-14 20:34:49,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:49,618 INFO L85 PathProgramCache]: Analyzing trace with hash -444579068, now seen corresponding path program 1 times [2024-10-14 20:34:49,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:49,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592807945] [2024-10-14 20:34:49,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:49,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:49,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:49,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 20:34:49,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:49,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 20:34:49,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:49,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 20:34:49,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:49,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 20:34:49,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:49,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-14 20:34:49,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:49,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 20:34:49,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:49,712 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-14 20:34:49,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:49,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592807945] [2024-10-14 20:34:49,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592807945] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:34:49,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:34:49,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 20:34:49,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51876093] [2024-10-14 20:34:49,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:34:49,713 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 20:34:49,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:49,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 20:34:49,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 20:34:49,714 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) [2024-10-14 20:34:50,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:50,022 INFO L93 Difference]: Finished difference Result 366 states and 382 transitions. [2024-10-14 20:34:50,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:34:50,023 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 [2024-10-14 20:34:50,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:50,025 INFO L225 Difference]: With dead ends: 366 [2024-10-14 20:34:50,025 INFO L226 Difference]: Without dead ends: 362 [2024-10-14 20:34:50,025 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 [2024-10-14 20:34:50,026 INFO L432 NwaCegarLoop]: 248 mSDtfsCounter, 19 mSDsluCounter, 664 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 [2024-10-14 20:34:50,026 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] [2024-10-14 20:34:50,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2024-10-14 20:34:50,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 360. [2024-10-14 20:34:50,037 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) [2024-10-14 20:34:50,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 378 transitions. [2024-10-14 20:34:50,038 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 378 transitions. Word has length 87 [2024-10-14 20:34:50,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:50,039 INFO L471 AbstractCegarLoop]: Abstraction has 360 states and 378 transitions. [2024-10-14 20:34:50,039 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) [2024-10-14 20:34:50,039 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 378 transitions. [2024-10-14 20:34:50,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-10-14 20:34:50,040 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:50,040 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] [2024-10-14 20:34:50,040 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-14 20:34:50,041 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)] === [2024-10-14 20:34:50,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:50,041 INFO L85 PathProgramCache]: Analyzing trace with hash -85276979, now seen corresponding path program 1 times [2024-10-14 20:34:50,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:50,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598634485] [2024-10-14 20:34:50,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:50,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:50,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:50,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 20:34:50,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:50,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 20:34:50,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:50,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 20:34:50,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:50,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 20:34:50,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:50,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-14 20:34:50,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:50,138 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-14 20:34:50,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:50,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598634485] [2024-10-14 20:34:50,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598634485] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:34:50,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1614279563] [2024-10-14 20:34:50,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:50,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:34:50,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:34:50,141 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:34:50,143 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-14 20:34:50,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:50,197 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-14 20:34:50,199 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:34:50,292 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-14 20:34:50,292 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:34:50,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1614279563] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:34:50,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:34:50,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-10-14 20:34:50,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233313893] [2024-10-14 20:34:50,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:34:50,293 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:34:50,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:50,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:34:50,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 20:34:50,294 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) [2024-10-14 20:34:50,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:50,407 INFO L93 Difference]: Finished difference Result 362 states and 378 transitions. [2024-10-14 20:34:50,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:34:50,408 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 [2024-10-14 20:34:50,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:50,409 INFO L225 Difference]: With dead ends: 362 [2024-10-14 20:34:50,410 INFO L226 Difference]: Without dead ends: 354 [2024-10-14 20:34:50,410 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 [2024-10-14 20:34:50,410 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 [2024-10-14 20:34:50,411 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] [2024-10-14 20:34:50,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2024-10-14 20:34:50,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 352. [2024-10-14 20:34:50,420 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) [2024-10-14 20:34:50,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 370 transitions. [2024-10-14 20:34:50,421 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 370 transitions. Word has length 86 [2024-10-14 20:34:50,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:50,421 INFO L471 AbstractCegarLoop]: Abstraction has 352 states and 370 transitions. [2024-10-14 20:34:50,421 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) [2024-10-14 20:34:50,421 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 370 transitions. [2024-10-14 20:34:50,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-10-14 20:34:50,422 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:50,422 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] [2024-10-14 20:34:50,439 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-14 20:34:50,623 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:34:50,623 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)] === [2024-10-14 20:34:50,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:50,624 INFO L85 PathProgramCache]: Analyzing trace with hash 1651380999, now seen corresponding path program 1 times [2024-10-14 20:34:50,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:50,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371861950] [2024-10-14 20:34:50,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:50,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:50,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:50,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 20:34:50,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:50,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 20:34:50,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:50,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 20:34:50,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:50,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 20:34:50,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:50,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-14 20:34:50,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:50,719 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-14 20:34:50,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:50,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371861950] [2024-10-14 20:34:50,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371861950] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:34:50,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1426342448] [2024-10-14 20:34:50,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:50,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:34:50,720 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:34:50,721 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:34:50,722 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-14 20:34:50,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:50,775 INFO L255 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-14 20:34:50,777 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:34:50,859 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-14 20:34:50,859 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:34:51,018 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-14 20:34:51,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1426342448] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:34:51,019 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:34:51,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-10-14 20:34:51,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429019255] [2024-10-14 20:34:51,019 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:34:51,019 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 20:34:51,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:51,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 20:34:51,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-14 20:34:51,020 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) [2024-10-14 20:34:51,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:51,225 INFO L93 Difference]: Finished difference Result 613 states and 651 transitions. [2024-10-14 20:34:51,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 20:34:51,225 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 [2024-10-14 20:34:51,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:51,227 INFO L225 Difference]: With dead ends: 613 [2024-10-14 20:34:51,227 INFO L226 Difference]: Without dead ends: 605 [2024-10-14 20:34:51,228 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 [2024-10-14 20:34:51,229 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 [2024-10-14 20:34:51,229 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] [2024-10-14 20:34:51,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 605 states. [2024-10-14 20:34:51,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 605 to 412. [2024-10-14 20:34:51,243 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) [2024-10-14 20:34:51,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 470 transitions. [2024-10-14 20:34:51,244 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 470 transitions. Word has length 87 [2024-10-14 20:34:51,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:51,244 INFO L471 AbstractCegarLoop]: Abstraction has 412 states and 470 transitions. [2024-10-14 20:34:51,245 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) [2024-10-14 20:34:51,245 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 470 transitions. [2024-10-14 20:34:51,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-10-14 20:34:51,247 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:51,247 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] [2024-10-14 20:34:51,264 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-14 20:34:51,448 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-10-14 20:34:51,449 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)] === [2024-10-14 20:34:51,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:51,449 INFO L85 PathProgramCache]: Analyzing trace with hash -1640076562, now seen corresponding path program 1 times [2024-10-14 20:34:51,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:51,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779527156] [2024-10-14 20:34:51,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:51,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:51,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:34:51,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1943640435] [2024-10-14 20:34:51,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:51,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:34:51,473 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:34:51,475 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:34:51,476 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-14 20:34:51,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:51,531 INFO L255 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-14 20:34:51,533 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:34:51,625 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-14 20:34:51,626 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:34:51,797 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-14 20:34:51,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:51,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779527156] [2024-10-14 20:34:51,797 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:34:51,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1943640435] [2024-10-14 20:34:51,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1943640435] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:34:51,798 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-14 20:34:51,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2024-10-14 20:34:51,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229462373] [2024-10-14 20:34:51,798 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-14 20:34:51,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 20:34:51,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:51,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 20:34:51,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-14 20:34:51,800 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) [2024-10-14 20:34:52,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:52,022 INFO L93 Difference]: Finished difference Result 615 states and 647 transitions. [2024-10-14 20:34:52,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 20:34:52,023 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 [2024-10-14 20:34:52,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:52,025 INFO L225 Difference]: With dead ends: 615 [2024-10-14 20:34:52,025 INFO L226 Difference]: Without dead ends: 610 [2024-10-14 20:34:52,026 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 [2024-10-14 20:34:52,026 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 [2024-10-14 20:34:52,027 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] [2024-10-14 20:34:52,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 610 states. [2024-10-14 20:34:52,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 610 to 417. [2024-10-14 20:34:52,042 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) [2024-10-14 20:34:52,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 472 transitions. [2024-10-14 20:34:52,044 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 472 transitions. Word has length 98 [2024-10-14 20:34:52,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:52,044 INFO L471 AbstractCegarLoop]: Abstraction has 417 states and 472 transitions. [2024-10-14 20:34:52,045 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) [2024-10-14 20:34:52,045 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 472 transitions. [2024-10-14 20:34:52,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-10-14 20:34:52,045 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:52,046 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] [2024-10-14 20:34:52,063 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-14 20:34:52,249 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-10-14 20:34:52,250 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)] === [2024-10-14 20:34:52,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:52,250 INFO L85 PathProgramCache]: Analyzing trace with hash -1350073584, now seen corresponding path program 1 times [2024-10-14 20:34:52,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:52,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741195962] [2024-10-14 20:34:52,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:52,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:52,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:52,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 20:34:52,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:52,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 20:34:52,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:52,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 20:34:52,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:52,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 20:34:52,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:52,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-14 20:34:52,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:52,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 20:34:52,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:52,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-14 20:34:52,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:52,447 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-14 20:34:52,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:52,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741195962] [2024-10-14 20:34:52,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741195962] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:34:52,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:34:52,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 20:34:52,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108440110] [2024-10-14 20:34:52,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:34:52,448 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 20:34:52,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:52,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 20:34:52,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-14 20:34:52,449 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) [2024-10-14 20:34:52,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:52,778 INFO L93 Difference]: Finished difference Result 423 states and 475 transitions. [2024-10-14 20:34:52,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 20:34:52,778 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 [2024-10-14 20:34:52,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:52,780 INFO L225 Difference]: With dead ends: 423 [2024-10-14 20:34:52,780 INFO L226 Difference]: Without dead ends: 397 [2024-10-14 20:34:52,780 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 [2024-10-14 20:34:52,781 INFO L432 NwaCegarLoop]: 208 mSDtfsCounter, 231 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 20:34:52,781 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [241 Valid, 412 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 20:34:52,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2024-10-14 20:34:52,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 397. [2024-10-14 20:34:52,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 397 states, 271 states have (on average 1.4981549815498154) internal successors, (406), 374 states have internal predecessors, (406), 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) [2024-10-14 20:34:52,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 448 transitions. [2024-10-14 20:34:52,797 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 448 transitions. Word has length 103 [2024-10-14 20:34:52,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:52,797 INFO L471 AbstractCegarLoop]: Abstraction has 397 states and 448 transitions. [2024-10-14 20:34:52,797 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) [2024-10-14 20:34:52,797 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 448 transitions. [2024-10-14 20:34:52,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-10-14 20:34:52,798 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:52,798 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] [2024-10-14 20:34:52,799 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-14 20:34:52,799 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)] === [2024-10-14 20:34:52,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:52,799 INFO L85 PathProgramCache]: Analyzing trace with hash -483346203, now seen corresponding path program 1 times [2024-10-14 20:34:52,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:52,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888662443] [2024-10-14 20:34:52,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:52,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:52,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:34:52,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [336145388] [2024-10-14 20:34:52,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:52,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:34:52,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:34:52,821 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:34:52,822 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-14 20:34:52,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:52,882 INFO L255 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-14 20:34:52,885 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:34:53,165 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-14 20:34:53,165 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:34:53,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:53,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888662443] [2024-10-14 20:34:53,379 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:34:53,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [336145388] [2024-10-14 20:34:53,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [336145388] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:34:53,379 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:34:53,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-10-14 20:34:53,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468365147] [2024-10-14 20:34:53,380 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:34:53,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 20:34:53,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:53,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 20:34:53,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:34:53,381 INFO L87 Difference]: Start difference. First operand 397 states and 448 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) [2024-10-14 20:34:54,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:54,123 INFO L93 Difference]: Finished difference Result 525 states and 613 transitions. [2024-10-14 20:34:54,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 20:34:54,124 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 [2024-10-14 20:34:54,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:54,126 INFO L225 Difference]: With dead ends: 525 [2024-10-14 20:34:54,126 INFO L226 Difference]: Without dead ends: 500 [2024-10-14 20:34:54,126 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:34:54,127 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 133 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 617 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 642 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 617 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 20:34:54,127 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 328 Invalid, 642 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 617 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 20:34:54,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2024-10-14 20:34:54,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 482. [2024-10-14 20:34:54,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 482 states, 351 states have (on average 1.5071225071225072) internal successors, (529), 454 states have internal predecessors, (529), 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) [2024-10-14 20:34:54,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 581 transitions. [2024-10-14 20:34:54,144 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 581 transitions. Word has length 119 [2024-10-14 20:34:54,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:34:54,144 INFO L471 AbstractCegarLoop]: Abstraction has 482 states and 581 transitions. [2024-10-14 20:34:54,144 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) [2024-10-14 20:34:54,144 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 581 transitions. [2024-10-14 20:34:54,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-10-14 20:34:54,145 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:34:54,145 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] [2024-10-14 20:34:54,163 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-14 20:34:54,349 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-10-14 20:34:54,350 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)] === [2024-10-14 20:34:54,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:34:54,350 INFO L85 PathProgramCache]: Analyzing trace with hash -2098830314, now seen corresponding path program 1 times [2024-10-14 20:34:54,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:34:54,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427624817] [2024-10-14 20:34:54,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:54,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:34:54,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:34:54,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [667853490] [2024-10-14 20:34:54,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:34:54,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:34:54,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:34:54,377 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:34:54,379 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-14 20:34:54,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:34:54,447 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-14 20:34:54,449 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:34:54,742 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-14 20:34:54,742 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:34:59,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:34:59,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427624817] [2024-10-14 20:34:59,260 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:34:59,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [667853490] [2024-10-14 20:34:59,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [667853490] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:34:59,261 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:34:59,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-10-14 20:34:59,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648819388] [2024-10-14 20:34:59,261 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:34:59,261 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 20:34:59,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:34:59,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 20:34:59,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:34:59,263 INFO L87 Difference]: Start difference. First operand 482 states and 581 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) [2024-10-14 20:34:59,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:34:59,996 INFO L93 Difference]: Finished difference Result 516 states and 588 transitions. [2024-10-14 20:34:59,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 20:34:59,997 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 [2024-10-14 20:34:59,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:34:59,999 INFO L225 Difference]: With dead ends: 516 [2024-10-14 20:35:00,000 INFO L226 Difference]: Without dead ends: 500 [2024-10-14 20:35:00,000 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:35:00,001 INFO L432 NwaCegarLoop]: 159 mSDtfsCounter, 131 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 566 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 581 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 20:35:00,001 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 320 Invalid, 581 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 566 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 20:35:00,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2024-10-14 20:35:00,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 482. [2024-10-14 20:35:00,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 482 states, 351 states have (on average 1.4615384615384615) internal successors, (513), 454 states have internal predecessors, (513), 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) [2024-10-14 20:35:00,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 565 transitions. [2024-10-14 20:35:00,018 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 565 transitions. Word has length 120 [2024-10-14 20:35:00,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:35:00,019 INFO L471 AbstractCegarLoop]: Abstraction has 482 states and 565 transitions. [2024-10-14 20:35:00,019 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) [2024-10-14 20:35:00,019 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 565 transitions. [2024-10-14 20:35:00,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-10-14 20:35:00,020 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:35:00,020 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] [2024-10-14 20:35:00,038 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-14 20:35:00,224 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:35:00,225 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)] === [2024-10-14 20:35:00,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:35:00,225 INFO L85 PathProgramCache]: Analyzing trace with hash -639230201, now seen corresponding path program 1 times [2024-10-14 20:35:00,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:35:00,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292752688] [2024-10-14 20:35:00,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:00,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:35:00,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:00,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 20:35:00,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:00,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 20:35:00,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:00,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 20:35:00,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:00,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 20:35:00,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:00,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-14 20:35:00,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:00,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 20:35:00,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:00,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-14 20:35:00,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:00,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 20:35:00,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:00,363 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-14 20:35:00,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:35:00,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292752688] [2024-10-14 20:35:00,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292752688] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:35:00,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [573264554] [2024-10-14 20:35:00,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:00,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:35:00,364 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:35:00,366 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:35:00,366 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-14 20:35:00,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:00,422 INFO L255 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 20:35:00,424 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:35:00,674 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-14 20:35:00,674 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:35:00,848 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-14 20:35:00,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [573264554] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:35:00,848 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:35:00,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 7 [2024-10-14 20:35:00,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618005421] [2024-10-14 20:35:00,849 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:35:00,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 20:35:00,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:35:00,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 20:35:00,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:35:00,851 INFO L87 Difference]: Start difference. First operand 482 states and 565 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) [2024-10-14 20:35:01,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:35:01,575 INFO L93 Difference]: Finished difference Result 500 states and 572 transitions. [2024-10-14 20:35:01,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 20:35:01,576 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 [2024-10-14 20:35:01,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:35:01,578 INFO L225 Difference]: With dead ends: 500 [2024-10-14 20:35:01,578 INFO L226 Difference]: Without dead ends: 495 [2024-10-14 20:35:01,578 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 [2024-10-14 20:35:01,579 INFO L432 NwaCegarLoop]: 197 mSDtfsCounter, 336 mSDsluCounter, 396 mSDsCounter, 0 mSdLazyCounter, 697 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 348 SdHoareTripleChecker+Valid, 593 SdHoareTripleChecker+Invalid, 711 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 697 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 20:35:01,579 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [348 Valid, 593 Invalid, 711 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 697 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 20:35:01,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2024-10-14 20:35:01,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 478. [2024-10-14 20:35:01,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 478 states, 351 states have (on average 1.435897435897436) internal successors, (504), 450 states have internal predecessors, (504), 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) [2024-10-14 20:35:01,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 556 transitions. [2024-10-14 20:35:01,597 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 556 transitions. Word has length 121 [2024-10-14 20:35:01,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:35:01,597 INFO L471 AbstractCegarLoop]: Abstraction has 478 states and 556 transitions. [2024-10-14 20:35:01,597 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) [2024-10-14 20:35:01,598 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 556 transitions. [2024-10-14 20:35:01,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-10-14 20:35:01,598 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:35:01,599 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] [2024-10-14 20:35:01,616 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-10-14 20:35:01,799 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:35:01,800 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)] === [2024-10-14 20:35:01,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:35:01,800 INFO L85 PathProgramCache]: Analyzing trace with hash 1658700344, now seen corresponding path program 1 times [2024-10-14 20:35:01,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:35:01,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904571387] [2024-10-14 20:35:01,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:01,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:35:01,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:01,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 20:35:01,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:01,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 20:35:01,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:01,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 20:35:01,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:01,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 20:35:01,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:01,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-14 20:35:01,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:01,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 20:35:01,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:01,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-14 20:35:01,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:01,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 20:35:01,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:01,923 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-14 20:35:01,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:35:01,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904571387] [2024-10-14 20:35:01,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904571387] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:35:01,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [956031871] [2024-10-14 20:35:01,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:01,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:35:01,924 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:35:01,926 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:35:01,927 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-14 20:35:01,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:01,986 INFO L255 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 20:35:01,988 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:35:02,217 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-14 20:35:02,217 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:35:02,371 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-14 20:35:02,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [956031871] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:35:02,372 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:35:02,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 7 [2024-10-14 20:35:02,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888008382] [2024-10-14 20:35:02,372 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:35:02,373 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 20:35:02,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:35:02,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 20:35:02,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:35:02,374 INFO L87 Difference]: Start difference. First operand 478 states and 556 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) [2024-10-14 20:35:03,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:35:03,027 INFO L93 Difference]: Finished difference Result 496 states and 563 transitions. [2024-10-14 20:35:03,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 20:35:03,027 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 [2024-10-14 20:35:03,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:35:03,029 INFO L225 Difference]: With dead ends: 496 [2024-10-14 20:35:03,029 INFO L226 Difference]: Without dead ends: 491 [2024-10-14 20:35:03,030 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 [2024-10-14 20:35:03,030 INFO L432 NwaCegarLoop]: 148 mSDtfsCounter, 334 mSDsluCounter, 366 mSDsCounter, 0 mSdLazyCounter, 577 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 514 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 577 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 20:35:03,031 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [346 Valid, 514 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 577 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 20:35:03,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2024-10-14 20:35:03,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 474. [2024-10-14 20:35:03,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 474 states, 351 states have (on average 1.4102564102564104) internal successors, (495), 446 states have internal predecessors, (495), 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) [2024-10-14 20:35:03,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 474 states and 547 transitions. [2024-10-14 20:35:03,045 INFO L78 Accepts]: Start accepts. Automaton has 474 states and 547 transitions. Word has length 122 [2024-10-14 20:35:03,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:35:03,045 INFO L471 AbstractCegarLoop]: Abstraction has 474 states and 547 transitions. [2024-10-14 20:35:03,045 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) [2024-10-14 20:35:03,045 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 547 transitions. [2024-10-14 20:35:03,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-10-14 20:35:03,046 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:35:03,046 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] [2024-10-14 20:35:03,063 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-14 20:35:03,250 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:35:03,250 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)] === [2024-10-14 20:35:03,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:35:03,251 INFO L85 PathProgramCache]: Analyzing trace with hash -119896791, now seen corresponding path program 1 times [2024-10-14 20:35:03,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:35:03,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41937567] [2024-10-14 20:35:03,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:03,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:35:03,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:35:03,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1620056008] [2024-10-14 20:35:03,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:03,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:35:03,279 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:35:03,281 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:35:03,282 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-14 20:35:03,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:03,342 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-14 20:35:03,344 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:35:03,765 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-14 20:35:03,765 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:35:04,068 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-14 20:35:04,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:35:04,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41937567] [2024-10-14 20:35:04,068 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:35:04,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1620056008] [2024-10-14 20:35:04,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1620056008] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:35:04,069 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-14 20:35:04,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-10-14 20:35:04,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297848388] [2024-10-14 20:35:04,069 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-14 20:35:04,069 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-14 20:35:04,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:35:04,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-14 20:35:04,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-10-14 20:35:04,070 INFO L87 Difference]: Start difference. First operand 474 states and 547 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) [2024-10-14 20:35:07,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:35:07,999 INFO L93 Difference]: Finished difference Result 515 states and 554 transitions. [2024-10-14 20:35:07,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-14 20:35:07,999 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 [2024-10-14 20:35:08,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:35:08,002 INFO L225 Difference]: With dead ends: 515 [2024-10-14 20:35:08,002 INFO L226 Difference]: Without dead ends: 427 [2024-10-14 20:35:08,002 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 [2024-10-14 20:35:08,003 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 634 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 1321 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 641 SdHoareTripleChecker+Valid, 424 SdHoareTripleChecker+Invalid, 1398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 1321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2024-10-14 20:35:08,003 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [641 Valid, 424 Invalid, 1398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 1321 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2024-10-14 20:35:08,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2024-10-14 20:35:08,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 421. [2024-10-14 20:35:08,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 303 states have (on average 1.3696369636963697) internal successors, (415), 396 states have internal predecessors, (415), 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) [2024-10-14 20:35:08,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 461 transitions. [2024-10-14 20:35:08,022 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 461 transitions. Word has length 123 [2024-10-14 20:35:08,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:35:08,023 INFO L471 AbstractCegarLoop]: Abstraction has 421 states and 461 transitions. [2024-10-14 20:35:08,023 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) [2024-10-14 20:35:08,023 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 461 transitions. [2024-10-14 20:35:08,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-10-14 20:35:08,025 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:35:08,025 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] [2024-10-14 20:35:08,042 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-10-14 20:35:08,229 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-10-14 20:35:08,230 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-14 20:35:08,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:35:08,230 INFO L85 PathProgramCache]: Analyzing trace with hash 1015250413, now seen corresponding path program 1 times [2024-10-14 20:35:08,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:35:08,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524459676] [2024-10-14 20:35:08,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:08,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:35:08,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:08,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 20:35:08,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:08,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 20:35:08,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:08,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 20:35:08,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:08,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 20:35:08,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:08,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-14 20:35:08,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:08,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 20:35:08,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:08,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-14 20:35:08,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:08,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 20:35:08,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:08,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 20:35:08,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:08,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 20:35:08,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:08,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 20:35:08,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:08,361 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-10-14 20:35:08,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:35:08,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524459676] [2024-10-14 20:35:08,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524459676] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:35:08,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1881989818] [2024-10-14 20:35:08,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:08,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:35:08,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:35:08,364 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:35:08,365 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-14 20:35:08,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:08,428 INFO L255 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 20:35:08,430 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:35:08,572 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-10-14 20:35:08,572 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:35:08,744 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-10-14 20:35:08,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1881989818] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:35:08,745 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:35:08,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2024-10-14 20:35:08,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530435541] [2024-10-14 20:35:08,745 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:35:08,746 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 20:35:08,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:35:08,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 20:35:08,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-10-14 20:35:08,747 INFO L87 Difference]: Start difference. First operand 421 states and 461 transitions. Second operand has 9 states, 8 states have (on average 34.75) internal successors, (278), 9 states have internal predecessors, (278), 7 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 7 states have call predecessors, (27), 7 states have call successors, (27) [2024-10-14 20:35:09,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:35:09,169 INFO L93 Difference]: Finished difference Result 444 states and 470 transitions. [2024-10-14 20:35:09,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-14 20:35:09,170 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 34.75) internal successors, (278), 9 states have internal predecessors, (278), 7 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 7 states have call predecessors, (27), 7 states have call successors, (27) Word has length 168 [2024-10-14 20:35:09,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:35:09,172 INFO L225 Difference]: With dead ends: 444 [2024-10-14 20:35:09,172 INFO L226 Difference]: Without dead ends: 442 [2024-10-14 20:35:09,172 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 365 GetRequests, 353 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2024-10-14 20:35:09,173 INFO L432 NwaCegarLoop]: 193 mSDtfsCounter, 648 mSDsluCounter, 624 mSDsCounter, 0 mSdLazyCounter, 397 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 648 SdHoareTripleChecker+Valid, 817 SdHoareTripleChecker+Invalid, 433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 20:35:09,173 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [648 Valid, 817 Invalid, 433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 397 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 20:35:09,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2024-10-14 20:35:09,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 419. [2024-10-14 20:35:09,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 419 states, 303 states have (on average 1.3564356435643565) internal successors, (411), 394 states have internal predecessors, (411), 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) [2024-10-14 20:35:09,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 457 transitions. [2024-10-14 20:35:09,202 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 457 transitions. Word has length 168 [2024-10-14 20:35:09,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:35:09,202 INFO L471 AbstractCegarLoop]: Abstraction has 419 states and 457 transitions. [2024-10-14 20:35:09,203 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 34.75) internal successors, (278), 9 states have internal predecessors, (278), 7 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 7 states have call predecessors, (27), 7 states have call successors, (27) [2024-10-14 20:35:09,203 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 457 transitions. [2024-10-14 20:35:09,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-10-14 20:35:09,205 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:35:09,205 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] [2024-10-14 20:35:09,222 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-10-14 20:35:09,405 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-10-14 20:35:09,406 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)] === [2024-10-14 20:35:09,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:35:09,406 INFO L85 PathProgramCache]: Analyzing trace with hash 1407991915, now seen corresponding path program 1 times [2024-10-14 20:35:09,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:35:09,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053928093] [2024-10-14 20:35:09,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:09,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:35:09,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:35:09,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [729961842] [2024-10-14 20:35:09,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:09,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:35:09,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:35:09,432 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:35:09,434 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-14 20:35:09,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:09,498 INFO L255 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-14 20:35:09,501 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:35:09,862 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-10-14 20:35:09,863 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:35:10,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:35:10,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053928093] [2024-10-14 20:35:10,901 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:35:10,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [729961842] [2024-10-14 20:35:10,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [729961842] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:35:10,902 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:35:10,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-10-14 20:35:10,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681441303] [2024-10-14 20:35:10,902 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:35:10,903 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 20:35:10,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:35:10,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 20:35:10,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:35:10,904 INFO L87 Difference]: Start difference. First operand 419 states and 457 transitions. Second operand has 5 states, 4 states have (on average 29.25) internal successors, (117), 5 states have internal predecessors, (117), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-10-14 20:35:11,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:35:11,681 INFO L93 Difference]: Finished difference Result 420 states and 457 transitions. [2024-10-14 20:35:11,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 20:35:11,681 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 29.25) internal successors, (117), 5 states have internal predecessors, (117), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 169 [2024-10-14 20:35:11,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:35:11,682 INFO L225 Difference]: With dead ends: 420 [2024-10-14 20:35:11,683 INFO L226 Difference]: Without dead ends: 419 [2024-10-14 20:35:11,683 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 265 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-10-14 20:35:11,683 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 34 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 694 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 697 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 694 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 20:35:11,683 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 466 Invalid, 697 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 694 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 20:35:11,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2024-10-14 20:35:11,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 419. [2024-10-14 20:35:11,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 419 states, 303 states have (on average 1.353135313531353) internal successors, (410), 394 states have internal predecessors, (410), 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) [2024-10-14 20:35:11,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 456 transitions. [2024-10-14 20:35:11,698 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 456 transitions. Word has length 169 [2024-10-14 20:35:11,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:35:11,699 INFO L471 AbstractCegarLoop]: Abstraction has 419 states and 456 transitions. [2024-10-14 20:35:11,699 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 29.25) internal successors, (117), 5 states have internal predecessors, (117), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-10-14 20:35:11,699 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 456 transitions. [2024-10-14 20:35:11,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-10-14 20:35:11,700 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:35:11,700 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] [2024-10-14 20:35:11,718 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-10-14 20:35:11,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-10-14 20:35:11,901 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-14 20:35:11,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:35:11,901 INFO L85 PathProgramCache]: Analyzing trace with hash 698076591, now seen corresponding path program 1 times [2024-10-14 20:35:11,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:35:11,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994657903] [2024-10-14 20:35:11,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:11,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:35:11,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:35:11,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1436170715] [2024-10-14 20:35:11,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:11,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:35:11,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:35:11,927 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:35:11,929 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-14 20:35:11,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:11,991 INFO L255 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-14 20:35:11,993 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:35:12,410 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-10-14 20:35:12,411 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:35:12,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:35:12,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994657903] [2024-10-14 20:35:12,682 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:35:12,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1436170715] [2024-10-14 20:35:12,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1436170715] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:35:12,682 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:35:12,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-10-14 20:35:12,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085737691] [2024-10-14 20:35:12,682 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:35:12,683 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 20:35:12,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:35:12,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 20:35:12,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:35:12,683 INFO L87 Difference]: Start difference. First operand 419 states and 456 transitions. Second operand has 6 states, 5 states have (on average 23.6) internal successors, (118), 6 states have internal predecessors, (118), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-10-14 20:35:13,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:35:13,499 INFO L93 Difference]: Finished difference Result 430 states and 456 transitions. [2024-10-14 20:35:13,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 20:35:13,499 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 23.6) internal successors, (118), 6 states have internal predecessors, (118), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 170 [2024-10-14 20:35:13,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:35:13,501 INFO L225 Difference]: With dead ends: 430 [2024-10-14 20:35:13,501 INFO L226 Difference]: Without dead ends: 429 [2024-10-14 20:35:13,501 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-10-14 20:35:13,501 INFO L432 NwaCegarLoop]: 197 mSDtfsCounter, 69 mSDsluCounter, 368 mSDsCounter, 0 mSdLazyCounter, 915 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 565 SdHoareTripleChecker+Invalid, 919 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 915 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-14 20:35:13,501 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 565 Invalid, 919 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 915 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-14 20:35:13,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2024-10-14 20:35:13,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 419. [2024-10-14 20:35:13,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 419 states, 303 states have (on average 1.3498349834983498) internal successors, (409), 394 states have internal predecessors, (409), 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) [2024-10-14 20:35:13,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 455 transitions. [2024-10-14 20:35:13,520 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 455 transitions. Word has length 170 [2024-10-14 20:35:13,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:35:13,521 INFO L471 AbstractCegarLoop]: Abstraction has 419 states and 455 transitions. [2024-10-14 20:35:13,521 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 23.6) internal successors, (118), 6 states have internal predecessors, (118), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-10-14 20:35:13,521 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 455 transitions. [2024-10-14 20:35:13,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-10-14 20:35:13,522 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:35:13,522 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] [2024-10-14 20:35:13,542 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-10-14 20:35:13,723 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-10-14 20:35:13,723 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr64ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-14 20:35:13,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:35:13,724 INFO L85 PathProgramCache]: Analyzing trace with hash 168261999, now seen corresponding path program 1 times [2024-10-14 20:35:13,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:35:13,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728018756] [2024-10-14 20:35:13,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:13,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:35:13,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:35:13,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [201714039] [2024-10-14 20:35:13,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:13,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:35:13,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:35:13,746 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:35:13,748 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-14 20:35:13,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:13,820 INFO L255 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-10-14 20:35:13,823 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:35:15,280 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-10-14 20:35:15,280 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:35:16,202 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-10-14 20:35:16,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:35:16,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728018756] [2024-10-14 20:35:16,202 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:35:16,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [201714039] [2024-10-14 20:35:16,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [201714039] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:35:16,203 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-14 20:35:16,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2024-10-14 20:35:16,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609171839] [2024-10-14 20:35:16,203 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-14 20:35:16,203 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-14 20:35:16,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:35:16,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-14 20:35:16,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-10-14 20:35:16,205 INFO L87 Difference]: Start difference. First operand 419 states and 455 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) [2024-10-14 20:35:23,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:35:23,182 INFO L93 Difference]: Finished difference Result 427 states and 455 transitions. [2024-10-14 20:35:23,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 20:35:23,182 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 [2024-10-14 20:35:23,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:35:23,184 INFO L225 Difference]: With dead ends: 427 [2024-10-14 20:35:23,184 INFO L226 Difference]: Without dead ends: 419 [2024-10-14 20:35:23,185 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 350 GetRequests, 335 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2024-10-14 20:35:23,185 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 469 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 1352 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 474 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 1383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 1352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2024-10-14 20:35:23,185 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [474 Valid, 272 Invalid, 1383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 1352 Invalid, 0 Unknown, 0 Unchecked, 6.6s Time] [2024-10-14 20:35:23,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2024-10-14 20:35:23,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 419. [2024-10-14 20:35:23,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 419 states, 303 states have (on average 1.3234323432343233) internal successors, (401), 394 states have internal predecessors, (401), 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) [2024-10-14 20:35:23,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 447 transitions. [2024-10-14 20:35:23,203 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 447 transitions. Word has length 173 [2024-10-14 20:35:23,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:35:23,203 INFO L471 AbstractCegarLoop]: Abstraction has 419 states and 447 transitions. [2024-10-14 20:35:23,204 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) [2024-10-14 20:35:23,204 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 447 transitions. [2024-10-14 20:35:23,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-10-14 20:35:23,205 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:35:23,205 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] [2024-10-14 20:35:23,222 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-10-14 20:35:23,405 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:35:23,406 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr78ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-14 20:35:23,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:35:23,406 INFO L85 PathProgramCache]: Analyzing trace with hash -1539470719, now seen corresponding path program 1 times [2024-10-14 20:35:23,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:35:23,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269807620] [2024-10-14 20:35:23,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:23,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:35:23,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:35:23,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1455805610] [2024-10-14 20:35:23,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:23,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:35:23,446 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:35:23,448 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:35:23,450 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-10-14 20:35:23,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:23,527 INFO L255 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-14 20:35:23,530 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:35:24,078 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-10-14 20:35:24,078 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:35:24,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:35:24,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269807620] [2024-10-14 20:35:24,630 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:35:24,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1455805610] [2024-10-14 20:35:24,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1455805610] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:35:24,631 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:35:24,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-10-14 20:35:24,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191216954] [2024-10-14 20:35:24,631 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:35:24,631 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 20:35:24,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:35:24,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 20:35:24,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-10-14 20:35:24,632 INFO L87 Difference]: Start difference. First operand 419 states and 447 transitions. Second operand has 6 states, 5 states have (on average 27.0) internal successors, (135), 6 states have internal predecessors, (135), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-14 20:35:25,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:35:25,344 INFO L93 Difference]: Finished difference Result 422 states and 447 transitions. [2024-10-14 20:35:25,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 20:35:25,345 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 27.0) internal successors, (135), 6 states have internal predecessors, (135), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 192 [2024-10-14 20:35:25,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:35:25,346 INFO L225 Difference]: With dead ends: 422 [2024-10-14 20:35:25,346 INFO L226 Difference]: Without dead ends: 419 [2024-10-14 20:35:25,347 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 310 GetRequests, 301 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-10-14 20:35:25,347 INFO L432 NwaCegarLoop]: 208 mSDtfsCounter, 18 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 1070 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 1073 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1070 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 20:35:25,347 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 416 Invalid, 1073 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1070 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 20:35:25,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2024-10-14 20:35:25,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 419. [2024-10-14 20:35:25,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 419 states, 303 states have (on average 1.3135313531353134) internal successors, (398), 394 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) [2024-10-14 20:35:25,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 444 transitions. [2024-10-14 20:35:25,364 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 444 transitions. Word has length 192 [2024-10-14 20:35:25,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:35:25,364 INFO L471 AbstractCegarLoop]: Abstraction has 419 states and 444 transitions. [2024-10-14 20:35:25,364 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 27.0) internal successors, (135), 6 states have internal predecessors, (135), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-14 20:35:25,364 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 444 transitions. [2024-10-14 20:35:25,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-10-14 20:35:25,365 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:35:25,366 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] [2024-10-14 20:35:25,383 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-10-14 20:35:25,569 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-10-14 20:35:25,570 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr79ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-14 20:35:25,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:35:25,571 INFO L85 PathProgramCache]: Analyzing trace with hash -478951810, now seen corresponding path program 1 times [2024-10-14 20:35:25,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:35:25,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896162542] [2024-10-14 20:35:25,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:25,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:35:25,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:25,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 20:35:25,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:25,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 20:35:25,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:25,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 20:35:25,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:25,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 20:35:25,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:25,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-14 20:35:25,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:25,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 20:35:25,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:25,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-14 20:35:25,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:25,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 20:35:25,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:25,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 20:35:25,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:25,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 20:35:25,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:25,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 20:35:25,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:25,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-14 20:35:25,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:25,818 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-10-14 20:35:25,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:35:25,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896162542] [2024-10-14 20:35:25,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896162542] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:35:25,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [658934153] [2024-10-14 20:35:25,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:25,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:35:25,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:35:25,821 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:35:25,822 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-10-14 20:35:25,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:25,893 INFO L255 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-14 20:35:25,895 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:35:26,541 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-10-14 20:35:26,541 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:35:26,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [658934153] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:35:26,602 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-14 20:35:26,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2024-10-14 20:35:26,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769734823] [2024-10-14 20:35:26,602 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-14 20:35:26,603 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-14 20:35:26,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:35:26,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-14 20:35:26,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2024-10-14 20:35:26,604 INFO L87 Difference]: Start difference. First operand 419 states and 444 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) [2024-10-14 20:35:28,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:35:28,157 INFO L93 Difference]: Finished difference Result 419 states and 444 transitions. [2024-10-14 20:35:28,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 20:35:28,158 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 [2024-10-14 20:35:28,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:35:28,159 INFO L225 Difference]: With dead ends: 419 [2024-10-14 20:35:28,159 INFO L226 Difference]: Without dead ends: 405 [2024-10-14 20:35:28,160 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2024-10-14 20:35:28,160 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 488 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 1607 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 488 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 1661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 1607 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-14 20:35:28,160 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [488 Valid, 264 Invalid, 1661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 1607 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-14 20:35:28,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2024-10-14 20:35:28,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 405. [2024-10-14 20:35:28,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 405 states, 303 states have (on average 1.2640264026402641) internal successors, (383), 380 states have internal predecessors, (383), 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) [2024-10-14 20:35:28,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 429 transitions. [2024-10-14 20:35:28,177 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 429 transitions. Word has length 193 [2024-10-14 20:35:28,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:35:28,178 INFO L471 AbstractCegarLoop]: Abstraction has 405 states and 429 transitions. [2024-10-14 20:35:28,178 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) [2024-10-14 20:35:28,178 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 429 transitions. [2024-10-14 20:35:28,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-10-14 20:35:28,179 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:35:28,180 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] [2024-10-14 20:35:28,198 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-10-14 20:35:28,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-10-14 20:35:28,380 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-14 20:35:28,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:35:28,381 INFO L85 PathProgramCache]: Analyzing trace with hash -1102486096, now seen corresponding path program 1 times [2024-10-14 20:35:28,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:35:28,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589511324] [2024-10-14 20:35:28,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:28,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:35:28,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:35:28,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2075045403] [2024-10-14 20:35:28,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:28,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:35:28,407 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:35:28,408 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:35:28,410 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-10-14 20:35:28,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:28,479 INFO L255 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 20:35:28,481 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:35:28,640 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 0 proven. 103 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-10-14 20:35:28,640 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:35:28,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:35:28,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589511324] [2024-10-14 20:35:28,717 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:35:28,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2075045403] [2024-10-14 20:35:28,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2075045403] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:35:28,717 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:35:28,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-10-14 20:35:28,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750431134] [2024-10-14 20:35:28,718 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:35:28,718 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 20:35:28,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:35:28,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 20:35:28,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-14 20:35:28,719 INFO L87 Difference]: Start difference. First operand 405 states and 429 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) [2024-10-14 20:35:28,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:35:28,890 INFO L93 Difference]: Finished difference Result 610 states and 641 transitions. [2024-10-14 20:35:28,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 20:35:28,890 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 [2024-10-14 20:35:28,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:35:28,892 INFO L225 Difference]: With dead ends: 610 [2024-10-14 20:35:28,893 INFO L226 Difference]: Without dead ends: 609 [2024-10-14 20:35:28,893 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 [2024-10-14 20:35:28,894 INFO L432 NwaCegarLoop]: 217 mSDtfsCounter, 255 mSDsluCounter, 586 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 803 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 20:35:28,894 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [265 Valid, 803 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 20:35:28,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 609 states. [2024-10-14 20:35:28,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 609 to 412. [2024-10-14 20:35:28,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412 states, 309 states have (on average 1.2588996763754046) internal successors, (389), 386 states have internal predecessors, (389), 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) [2024-10-14 20:35:28,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 437 transitions. [2024-10-14 20:35:28,912 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 437 transitions. Word has length 194 [2024-10-14 20:35:28,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:35:28,912 INFO L471 AbstractCegarLoop]: Abstraction has 412 states and 437 transitions. [2024-10-14 20:35:28,912 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) [2024-10-14 20:35:28,912 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 437 transitions. [2024-10-14 20:35:28,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-10-14 20:35:28,913 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:35:28,913 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] [2024-10-14 20:35:28,931 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-10-14 20:35:29,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-10-14 20:35:29,114 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr83ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-14 20:35:29,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:35:29,114 INFO L85 PathProgramCache]: Analyzing trace with hash -545648702, now seen corresponding path program 1 times [2024-10-14 20:35:29,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:35:29,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81896708] [2024-10-14 20:35:29,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:29,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:35:29,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:35:29,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1181387853] [2024-10-14 20:35:29,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:29,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:35:29,164 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:35:29,166 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:35:29,170 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-10-14 20:35:29,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:29,240 INFO L255 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-14 20:35:29,243 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:35:29,867 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-10-14 20:35:29,867 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:35:29,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:35:29,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81896708] [2024-10-14 20:35:29,958 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:35:29,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1181387853] [2024-10-14 20:35:29,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1181387853] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:35:29,958 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:35:29,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-10-14 20:35:29,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779850106] [2024-10-14 20:35:29,958 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:35:29,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 20:35:29,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:35:29,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 20:35:29,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-10-14 20:35:29,960 INFO L87 Difference]: Start difference. First operand 412 states and 437 transitions. Second operand has 7 states, 6 states have (on average 23.333333333333332) internal successors, (140), 7 states have internal predecessors, (140), 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) [2024-10-14 20:35:30,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:35:30,879 INFO L93 Difference]: Finished difference Result 414 states and 437 transitions. [2024-10-14 20:35:30,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 20:35:30,880 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 23.333333333333332) internal successors, (140), 7 states have internal predecessors, (140), 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 197 [2024-10-14 20:35:30,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:35:30,882 INFO L225 Difference]: With dead ends: 414 [2024-10-14 20:35:30,882 INFO L226 Difference]: Without dead ends: 378 [2024-10-14 20:35:30,882 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 231 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-10-14 20:35:30,883 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 36 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 1281 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 1284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-14 20:35:30,883 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 378 Invalid, 1284 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1281 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-14 20:35:30,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2024-10-14 20:35:30,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 378. [2024-10-14 20:35:30,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 378 states, 277 states have (on average 1.2815884476534296) internal successors, (355), 354 states have internal predecessors, (355), 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) [2024-10-14 20:35:30,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 399 transitions. [2024-10-14 20:35:30,900 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 399 transitions. Word has length 197 [2024-10-14 20:35:30,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:35:30,900 INFO L471 AbstractCegarLoop]: Abstraction has 378 states and 399 transitions. [2024-10-14 20:35:30,900 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 23.333333333333332) internal successors, (140), 7 states have internal predecessors, (140), 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) [2024-10-14 20:35:30,900 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 399 transitions. [2024-10-14 20:35:30,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2024-10-14 20:35:30,901 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:35:30,902 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] [2024-10-14 20:35:30,920 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-10-14 20:35:31,102 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:35:31,102 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-14 20:35:31,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:35:31,103 INFO L85 PathProgramCache]: Analyzing trace with hash 748415565, now seen corresponding path program 2 times [2024-10-14 20:35:31,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:35:31,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506382701] [2024-10-14 20:35:31,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:31,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:35:31,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:35:31,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [683973335] [2024-10-14 20:35:31,126 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 20:35:31,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:35:31,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:35:31,128 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:35:31,131 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-10-14 20:35:31,227 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-14 20:35:31,227 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 20:35:31,229 INFO L255 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-10-14 20:35:31,231 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:35:31,788 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 0 proven. 109 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-14 20:35:31,789 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:35:32,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:35:32,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506382701] [2024-10-14 20:35:32,855 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:35:32,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [683973335] [2024-10-14 20:35:32,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [683973335] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:35:32,855 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:35:32,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-10-14 20:35:32,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344989506] [2024-10-14 20:35:32,855 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:35:32,856 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 20:35:32,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:35:32,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 20:35:32,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2024-10-14 20:35:32,856 INFO L87 Difference]: Start difference. First operand 378 states and 399 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) [2024-10-14 20:35:33,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:35:33,972 INFO L93 Difference]: Finished difference Result 532 states and 609 transitions. [2024-10-14 20:35:33,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 20:35:33,973 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 [2024-10-14 20:35:33,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:35:33,975 INFO L225 Difference]: With dead ends: 532 [2024-10-14 20:35:33,975 INFO L226 Difference]: Without dead ends: 509 [2024-10-14 20:35:33,975 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2024-10-14 20:35:33,976 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 121 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 1762 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 457 SdHoareTripleChecker+Invalid, 1784 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 1762 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-14 20:35:33,976 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 457 Invalid, 1784 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 1762 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-14 20:35:33,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states. [2024-10-14 20:35:33,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 501. [2024-10-14 20:35:33,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 501 states, 392 states have (on average 1.3239795918367347) internal successors, (519), 469 states have internal predecessors, (519), 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) [2024-10-14 20:35:33,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 501 states and 579 transitions. [2024-10-14 20:35:33,999 INFO L78 Accepts]: Start accepts. Automaton has 501 states and 579 transitions. Word has length 201 [2024-10-14 20:35:33,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:35:33,999 INFO L471 AbstractCegarLoop]: Abstraction has 501 states and 579 transitions. [2024-10-14 20:35:34,000 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) [2024-10-14 20:35:34,000 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 579 transitions. [2024-10-14 20:35:34,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-10-14 20:35:34,001 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:35:34,001 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] [2024-10-14 20:35:34,019 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-10-14 20:35:34,201 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:35:34,202 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-14 20:35:34,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:35:34,202 INFO L85 PathProgramCache]: Analyzing trace with hash 1726046128, now seen corresponding path program 2 times [2024-10-14 20:35:34,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:35:34,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693487008] [2024-10-14 20:35:34,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:34,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:35:34,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:34,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 20:35:34,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:34,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 20:35:34,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:34,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 20:35:34,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:34,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 20:35:34,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:34,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-14 20:35:34,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:34,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 20:35:34,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:34,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-14 20:35:34,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:34,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 20:35:34,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:34,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 20:35:34,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:34,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 20:35:34,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:34,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-14 20:35:34,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:34,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-14 20:35:34,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:34,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-14 20:35:34,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:34,422 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-14 20:35:34,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:35:34,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693487008] [2024-10-14 20:35:34,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693487008] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:35:34,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [344488073] [2024-10-14 20:35:34,423 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 20:35:34,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:35:34,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:35:34,424 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:35:34,426 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-10-14 20:35:34,496 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-14 20:35:34,497 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 20:35:34,498 INFO L255 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-14 20:35:34,500 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:35:34,958 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-14 20:35:34,958 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:35:35,244 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-14 20:35:35,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [344488073] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:35:35,245 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:35:35,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2024-10-14 20:35:35,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366076183] [2024-10-14 20:35:35,245 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:35:35,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-14 20:35:35,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:35:35,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-14 20:35:35,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2024-10-14 20:35:35,247 INFO L87 Difference]: Start difference. First operand 501 states and 579 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) [2024-10-14 20:35:37,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:35:37,363 INFO L93 Difference]: Finished difference Result 501 states and 579 transitions. [2024-10-14 20:35:37,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 20:35:37,364 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 [2024-10-14 20:35:37,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:35:37,366 INFO L225 Difference]: With dead ends: 501 [2024-10-14 20:35:37,366 INFO L226 Difference]: Without dead ends: 497 [2024-10-14 20:35:37,366 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 [2024-10-14 20:35:37,366 INFO L432 NwaCegarLoop]: 122 mSDtfsCounter, 425 mSDsluCounter, 513 mSDsCounter, 0 mSdLazyCounter, 1495 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 425 SdHoareTripleChecker+Valid, 635 SdHoareTripleChecker+Invalid, 1527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 1495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-10-14 20:35:37,367 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [425 Valid, 635 Invalid, 1527 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 1495 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-10-14 20:35:37,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2024-10-14 20:35:37,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 497. [2024-10-14 20:35:37,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 497 states, 392 states have (on average 1.3035714285714286) internal successors, (511), 465 states have internal predecessors, (511), 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) [2024-10-14 20:35:37,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 497 states and 571 transitions. [2024-10-14 20:35:37,396 INFO L78 Accepts]: Start accepts. Automaton has 497 states and 571 transitions. Word has length 202 [2024-10-14 20:35:37,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:35:37,398 INFO L471 AbstractCegarLoop]: Abstraction has 497 states and 571 transitions. [2024-10-14 20:35:37,398 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) [2024-10-14 20:35:37,399 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 571 transitions. [2024-10-14 20:35:37,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2024-10-14 20:35:37,400 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:35:37,400 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] [2024-10-14 20:35:37,414 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-10-14 20:35:37,600 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2024-10-14 20:35:37,601 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-14 20:35:37,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:35:37,601 INFO L85 PathProgramCache]: Analyzing trace with hash 1967822511, now seen corresponding path program 2 times [2024-10-14 20:35:37,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:35:37,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608839867] [2024-10-14 20:35:37,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:37,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:35:37,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:37,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 20:35:37,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:37,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 20:35:37,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:37,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 20:35:37,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:37,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 20:35:37,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:37,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-14 20:35:37,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:37,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 20:35:37,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:37,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-14 20:35:37,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:37,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 20:35:37,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:37,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 20:35:37,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:37,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 20:35:37,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:37,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-14 20:35:37,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:37,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-14 20:35:37,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:37,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-14 20:35:37,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:37,830 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 0 proven. 113 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-14 20:35:37,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:35:37,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608839867] [2024-10-14 20:35:37,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608839867] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:35:37,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [487010146] [2024-10-14 20:35:37,831 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 20:35:37,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:35:37,831 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:35:37,833 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:35:37,834 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-10-14 20:35:37,903 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-14 20:35:37,903 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 20:35:37,905 INFO L255 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-14 20:35:37,907 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:35:38,383 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 0 proven. 113 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-14 20:35:38,384 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:35:38,687 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 0 proven. 113 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-14 20:35:38,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [487010146] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:35:38,687 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:35:38,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2024-10-14 20:35:38,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170828328] [2024-10-14 20:35:38,687 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:35:38,688 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-14 20:35:38,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:35:38,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-14 20:35:38,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2024-10-14 20:35:38,691 INFO L87 Difference]: Start difference. First operand 497 states and 571 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) [2024-10-14 20:35:39,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:35:39,867 INFO L93 Difference]: Finished difference Result 549 states and 614 transitions. [2024-10-14 20:35:39,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-14 20:35:39,867 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 [2024-10-14 20:35:39,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:35:39,870 INFO L225 Difference]: With dead ends: 549 [2024-10-14 20:35:39,870 INFO L226 Difference]: Without dead ends: 547 [2024-10-14 20:35:39,870 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 [2024-10-14 20:35:39,871 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 510 mSDsluCounter, 417 mSDsCounter, 0 mSdLazyCounter, 922 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 517 SdHoareTripleChecker+Valid, 517 SdHoareTripleChecker+Invalid, 949 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 922 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-14 20:35:39,871 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [517 Valid, 517 Invalid, 949 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 922 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-14 20:35:39,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 547 states. [2024-10-14 20:35:39,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 547 to 525. [2024-10-14 20:35:39,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 525 states, 417 states have (on average 1.290167865707434) internal successors, (538), 490 states have internal predecessors, (538), 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) [2024-10-14 20:35:39,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 604 transitions. [2024-10-14 20:35:39,896 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 604 transitions. Word has length 203 [2024-10-14 20:35:39,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:35:39,896 INFO L471 AbstractCegarLoop]: Abstraction has 525 states and 604 transitions. [2024-10-14 20:35:39,897 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) [2024-10-14 20:35:39,897 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 604 transitions. [2024-10-14 20:35:39,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-10-14 20:35:39,898 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:35:39,898 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] [2024-10-14 20:35:39,916 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-10-14 20:35:40,098 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2024-10-14 20:35:40,099 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-14 20:35:40,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:35:40,099 INFO L85 PathProgramCache]: Analyzing trace with hash 1291825937, now seen corresponding path program 1 times [2024-10-14 20:35:40,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:35:40,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350989976] [2024-10-14 20:35:40,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:40,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:35:40,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:40,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 20:35:40,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:40,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 20:35:40,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:40,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 20:35:40,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:40,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 20:35:40,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:40,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-14 20:35:40,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:40,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 20:35:40,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:40,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-14 20:35:40,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:40,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 20:35:40,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:40,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 20:35:40,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:40,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 20:35:40,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:40,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-14 20:35:40,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:40,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-14 20:35:40,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:40,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-14 20:35:40,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:40,438 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-14 20:35:40,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:35:40,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350989976] [2024-10-14 20:35:40,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350989976] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:35:40,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [90460685] [2024-10-14 20:35:40,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:40,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:35:40,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:35:40,441 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:35:40,443 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-10-14 20:35:40,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:40,520 INFO L255 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-14 20:35:40,522 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:35:41,103 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-14 20:35:41,103 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:35:41,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [90460685] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:35:41,346 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-14 20:35:41,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-10-14 20:35:41,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577993988] [2024-10-14 20:35:41,346 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-14 20:35:41,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-14 20:35:41,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:35:41,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-14 20:35:41,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2024-10-14 20:35:41,348 INFO L87 Difference]: Start difference. First operand 525 states and 604 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) [2024-10-14 20:35:44,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:35:44,850 INFO L93 Difference]: Finished difference Result 525 states and 604 transitions. [2024-10-14 20:35:44,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 20:35:44,850 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 [2024-10-14 20:35:44,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:35:44,852 INFO L225 Difference]: With dead ends: 525 [2024-10-14 20:35:44,852 INFO L226 Difference]: Without dead ends: 511 [2024-10-14 20:35:44,853 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 [2024-10-14 20:35:44,853 INFO L432 NwaCegarLoop]: 122 mSDtfsCounter, 683 mSDsluCounter, 438 mSDsCounter, 0 mSdLazyCounter, 1200 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 683 SdHoareTripleChecker+Valid, 560 SdHoareTripleChecker+Invalid, 1263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 1200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-10-14 20:35:44,854 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [683 Valid, 560 Invalid, 1263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 1200 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-10-14 20:35:44,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2024-10-14 20:35:44,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 507. [2024-10-14 20:35:44,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 507 states, 413 states have (on average 1.2469733656174333) internal successors, (515), 472 states have internal predecessors, (515), 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) [2024-10-14 20:35:44,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 507 states and 581 transitions. [2024-10-14 20:35:44,879 INFO L78 Accepts]: Start accepts. Automaton has 507 states and 581 transitions. Word has length 205 [2024-10-14 20:35:44,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:35:44,879 INFO L471 AbstractCegarLoop]: Abstraction has 507 states and 581 transitions. [2024-10-14 20:35:44,879 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) [2024-10-14 20:35:44,879 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 581 transitions. [2024-10-14 20:35:44,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-10-14 20:35:44,880 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:35:44,881 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] [2024-10-14 20:35:44,899 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-10-14 20:35:45,081 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:35:45,081 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-14 20:35:45,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:35:45,082 INFO L85 PathProgramCache]: Analyzing trace with hash 1879617366, now seen corresponding path program 1 times [2024-10-14 20:35:45,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:35:45,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612145251] [2024-10-14 20:35:45,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:45,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:35:45,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:35:45,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [704425089] [2024-10-14 20:35:45,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:45,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:35:45,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:35:45,114 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:35:45,116 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-10-14 20:35:45,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:45,191 INFO L255 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-10-14 20:35:45,194 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:35:45,853 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 123 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-14 20:35:45,853 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:35:46,320 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 123 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-14 20:35:46,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:35:46,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612145251] [2024-10-14 20:35:46,321 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:35:46,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [704425089] [2024-10-14 20:35:46,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [704425089] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:35:46,321 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-14 20:35:46,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2024-10-14 20:35:46,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118516698] [2024-10-14 20:35:46,321 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-14 20:35:46,322 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-14 20:35:46,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:35:46,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-14 20:35:46,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2024-10-14 20:35:46,323 INFO L87 Difference]: Start difference. First operand 507 states and 581 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) [2024-10-14 20:35:51,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:35:51,455 INFO L93 Difference]: Finished difference Result 808 states and 979 transitions. [2024-10-14 20:35:51,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-14 20:35:51,455 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 [2024-10-14 20:35:51,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:35:51,459 INFO L225 Difference]: With dead ends: 808 [2024-10-14 20:35:51,459 INFO L226 Difference]: Without dead ends: 723 [2024-10-14 20:35:51,460 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 [2024-10-14 20:35:51,460 INFO L432 NwaCegarLoop]: 123 mSDtfsCounter, 1055 mSDsluCounter, 842 mSDsCounter, 0 mSdLazyCounter, 2520 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1069 SdHoareTripleChecker+Valid, 965 SdHoareTripleChecker+Invalid, 2619 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 2520 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-10-14 20:35:51,461 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1069 Valid, 965 Invalid, 2619 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 2520 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2024-10-14 20:35:51,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 723 states. [2024-10-14 20:35:51,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 723 to 525. [2024-10-14 20:35:51,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 525 states, 430 states have (on average 1.2232558139534884) internal successors, (526), 488 states have internal predecessors, (526), 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) [2024-10-14 20:35:51,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 596 transitions. [2024-10-14 20:35:51,492 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 596 transitions. Word has length 208 [2024-10-14 20:35:51,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:35:51,493 INFO L471 AbstractCegarLoop]: Abstraction has 525 states and 596 transitions. [2024-10-14 20:35:51,493 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) [2024-10-14 20:35:51,493 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 596 transitions. [2024-10-14 20:35:51,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2024-10-14 20:35:51,494 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:35:51,494 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 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, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1] [2024-10-14 20:35:51,507 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-10-14 20:35:51,695 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:35:51,695 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-14 20:35:51,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:35:51,695 INFO L85 PathProgramCache]: Analyzing trace with hash -534121365, now seen corresponding path program 1 times [2024-10-14 20:35:51,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:35:51,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069690170] [2024-10-14 20:35:51,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:51,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:35:51,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:51,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 20:35:51,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:51,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 20:35:51,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:51,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 20:35:51,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:51,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 20:35:51,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:51,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-14 20:35:51,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:51,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 20:35:51,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:51,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-14 20:35:51,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:51,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 20:35:51,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:51,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 20:35:51,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:51,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 20:35:51,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:51,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-14 20:35:51,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:51,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-14 20:35:51,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:51,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-14 20:35:51,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:51,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-14 20:35:51,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:51,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-14 20:35:51,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:51,812 INFO L134 CoverageAnalysis]: Checked inductivity of 603 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 549 trivial. 0 not checked. [2024-10-14 20:35:51,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:35:51,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069690170] [2024-10-14 20:35:51,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2069690170] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:35:51,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:35:51,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 20:35:51,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005181911] [2024-10-14 20:35:51,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:35:51,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 20:35:51,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:35:51,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 20:35:51,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:35:51,814 INFO L87 Difference]: Start difference. First operand 525 states and 596 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) [2024-10-14 20:35:52,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:35:52,250 INFO L93 Difference]: Finished difference Result 525 states and 596 transitions. [2024-10-14 20:35:52,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 20:35:52,250 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 246 [2024-10-14 20:35:52,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:35:52,252 INFO L225 Difference]: With dead ends: 525 [2024-10-14 20:35:52,253 INFO L226 Difference]: Without dead ends: 524 [2024-10-14 20:35:52,253 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:35:52,253 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 122 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 20:35:52,254 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 144 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 20:35:52,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2024-10-14 20:35:52,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 524. [2024-10-14 20:35:52,280 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) [2024-10-14 20:35:52,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 593 transitions. [2024-10-14 20:35:52,281 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 593 transitions. Word has length 246 [2024-10-14 20:35:52,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:35:52,282 INFO L471 AbstractCegarLoop]: Abstraction has 524 states and 593 transitions. [2024-10-14 20:35:52,282 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) [2024-10-14 20:35:52,282 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 593 transitions. [2024-10-14 20:35:52,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2024-10-14 20:35:52,284 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:35:52,284 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] [2024-10-14 20:35:52,284 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-10-14 20:35:52,284 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr60ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-14 20:35:52,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:35:52,286 INFO L85 PathProgramCache]: Analyzing trace with hash -146920684, now seen corresponding path program 2 times [2024-10-14 20:35:52,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:35:52,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391399075] [2024-10-14 20:35:52,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:52,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:35:52,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:35:52,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [373641309] [2024-10-14 20:35:52,311 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 20:35:52,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:35:52,311 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:35:52,313 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:35:52,314 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-10-14 20:35:52,391 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-14 20:35:52,391 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 20:35:52,393 INFO L255 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-10-14 20:35:52,396 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:35:53,168 INFO L134 CoverageAnalysis]: Checked inductivity of 647 backedges. 0 proven. 167 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-10-14 20:35:53,168 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:35:55,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:35:55,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391399075] [2024-10-14 20:35:55,343 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:35:55,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [373641309] [2024-10-14 20:35:55,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [373641309] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:35:55,344 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:35:55,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-10-14 20:35:55,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184337939] [2024-10-14 20:35:55,344 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:35:55,344 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-14 20:35:55,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:35:55,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-14 20:35:55,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2024-10-14 20:35:55,345 INFO L87 Difference]: Start difference. First operand 524 states and 593 transitions. Second operand has 10 states, 9 states have (on average 19.22222222222222) internal successors, (173), 10 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) [2024-10-14 20:35:56,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:35:56,515 INFO L93 Difference]: Finished difference Result 525 states and 593 transitions. [2024-10-14 20:35:56,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 20:35:56,515 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 19.22222222222222) internal successors, (173), 10 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 [2024-10-14 20:35:56,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:35:56,517 INFO L225 Difference]: With dead ends: 525 [2024-10-14 20:35:56,517 INFO L226 Difference]: Without dead ends: 524 [2024-10-14 20:35:56,517 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 348 GetRequests, 331 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=80, Invalid=262, Unknown=0, NotChecked=0, Total=342 [2024-10-14 20:35:56,518 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 110 mSDsluCounter, 349 mSDsCounter, 0 mSdLazyCounter, 1751 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 520 SdHoareTripleChecker+Invalid, 1762 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1751 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-14 20:35:56,518 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 520 Invalid, 1762 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1751 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-14 20:35:56,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2024-10-14 20:35:56,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 524. [2024-10-14 20:35:56,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 524 states, 430 states have (on average 1.213953488372093) internal successors, (522), 487 states have internal predecessors, (522), 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) [2024-10-14 20:35:56,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 592 transitions. [2024-10-14 20:35:56,545 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 592 transitions. Word has length 250 [2024-10-14 20:35:56,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:35:56,546 INFO L471 AbstractCegarLoop]: Abstraction has 524 states and 592 transitions. [2024-10-14 20:35:56,546 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 19.22222222222222) internal successors, (173), 10 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) [2024-10-14 20:35:56,546 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 592 transitions. [2024-10-14 20:35:56,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2024-10-14 20:35:56,547 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:35:56,547 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] [2024-10-14 20:35:56,560 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-10-14 20:35:56,747 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-10-14 20:35:56,747 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-14 20:35:56,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:35:56,748 INFO L85 PathProgramCache]: Analyzing trace with hash -259573722, now seen corresponding path program 2 times [2024-10-14 20:35:56,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:35:56,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198066697] [2024-10-14 20:35:56,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:56,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:35:56,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:35:56,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1886306292] [2024-10-14 20:35:56,771 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 20:35:56,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:35:56,771 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:35:56,773 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:35:56,775 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-10-14 20:35:56,861 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-14 20:35:56,861 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 20:35:56,862 INFO L255 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-14 20:35:56,864 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:35:57,162 INFO L134 CoverageAnalysis]: Checked inductivity of 647 backedges. 0 proven. 167 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-10-14 20:35:57,162 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:35:58,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:35:58,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198066697] [2024-10-14 20:35:58,550 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:35:58,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1886306292] [2024-10-14 20:35:58,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1886306292] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:35:58,550 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:35:58,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-10-14 20:35:58,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865134442] [2024-10-14 20:35:58,550 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:35:58,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 20:35:58,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:35:58,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 20:35:58,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-10-14 20:35:58,552 INFO L87 Difference]: Start difference. First operand 524 states and 592 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) [2024-10-14 20:35:58,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:35:58,962 INFO L93 Difference]: Finished difference Result 525 states and 592 transitions. [2024-10-14 20:35:58,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-14 20:35:58,963 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 [2024-10-14 20:35:58,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:35:58,965 INFO L225 Difference]: With dead ends: 525 [2024-10-14 20:35:58,965 INFO L226 Difference]: Without dead ends: 524 [2024-10-14 20:35:58,965 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 304 GetRequests, 294 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-10-14 20:35:58,966 INFO L432 NwaCegarLoop]: 240 mSDtfsCounter, 92 mSDsluCounter, 740 mSDsCounter, 0 mSdLazyCounter, 625 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 980 SdHoareTripleChecker+Invalid, 630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 625 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 20:35:58,966 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 980 Invalid, 630 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 625 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 20:35:58,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2024-10-14 20:35:58,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 524. [2024-10-14 20:35:58,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 524 states, 430 states have (on average 1.2116279069767442) internal successors, (521), 487 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) [2024-10-14 20:35:58,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 591 transitions. [2024-10-14 20:35:58,995 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 591 transitions. Word has length 251 [2024-10-14 20:35:58,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:35:58,995 INFO L471 AbstractCegarLoop]: Abstraction has 524 states and 591 transitions. [2024-10-14 20:35:58,995 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) [2024-10-14 20:35:58,995 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 591 transitions. [2024-10-14 20:35:58,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2024-10-14 20:35:58,997 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:35:58,997 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] [2024-10-14 20:35:59,015 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2024-10-14 20:35:59,197 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-10-14 20:35:59,198 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr64ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-14 20:35:59,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:35:59,198 INFO L85 PathProgramCache]: Analyzing trace with hash -2019432552, now seen corresponding path program 2 times [2024-10-14 20:35:59,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:35:59,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101390343] [2024-10-14 20:35:59,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:59,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:35:59,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:35:59,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [936853376] [2024-10-14 20:35:59,230 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 20:35:59,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:35:59,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:35:59,232 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:35:59,233 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-10-14 20:35:59,432 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-14 20:35:59,432 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 20:35:59,434 INFO L255 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-10-14 20:35:59,437 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:36:01,451 INFO L134 CoverageAnalysis]: Checked inductivity of 647 backedges. 0 proven. 167 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-10-14 20:36:01,451 INFO L311 TraceCheckSpWp]: Computing backward predicates...