./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-multidimensional/init-non-constant-2-n-u.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4a390ef5 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/array-multidimensional/init-non-constant-2-n-u.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 4fa401c700a21fa1f98a1481c8e8ba1555a45c0429555dc041a1c04ce1059991 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 19:32:41,169 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 19:32:41,217 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-24 19:32:41,223 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 19:32:41,223 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 19:32:41,242 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 19:32:41,243 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 19:32:41,243 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 19:32:41,243 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 19:32:41,244 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 19:32:41,244 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 19:32:41,244 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 19:32:41,244 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 19:32:41,245 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 19:32:41,245 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 19:32:41,246 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 19:32:41,246 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 19:32:41,247 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 19:32:41,247 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 19:32:41,247 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 19:32:41,247 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 19:32:41,248 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 19:32:41,249 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 19:32:41,249 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 19:32:41,249 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 19:32:41,249 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-24 19:32:41,250 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 19:32:41,250 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 19:32:41,250 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 19:32:41,250 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 19:32:41,250 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 19:32:41,251 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 19:32:41,251 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 19:32:41,251 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 19:32:41,251 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 19:32:41,252 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 19:32:41,252 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 19:32:41,252 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 19:32:41,252 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 19:32:41,252 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 19:32:41,253 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 19:32:41,253 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 19:32:41,253 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 19:32:41,253 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 19:32:41,253 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4fa401c700a21fa1f98a1481c8e8ba1555a45c0429555dc041a1c04ce1059991 [2024-10-24 19:32:41,452 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 19:32:41,470 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 19:32:41,472 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 19:32:41,473 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 19:32:41,474 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 19:32:41,475 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-multidimensional/init-non-constant-2-n-u.c [2024-10-24 19:32:42,667 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 19:32:42,807 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 19:32:42,808 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-multidimensional/init-non-constant-2-n-u.c [2024-10-24 19:32:42,813 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c98a051d/5a422b6fc15b42ecaa64beebffd3bbad/FLAG5955789e1 [2024-10-24 19:32:42,824 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c98a051d/5a422b6fc15b42ecaa64beebffd3bbad [2024-10-24 19:32:42,826 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 19:32:42,827 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 19:32:42,828 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 19:32:42,828 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 19:32:42,835 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 19:32:42,836 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 07:32:42" (1/1) ... [2024-10-24 19:32:42,836 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bc7dd2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:32:42, skipping insertion in model container [2024-10-24 19:32:42,838 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 07:32:42" (1/1) ... [2024-10-24 19:32:42,854 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 19:32:43,014 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 19:32:43,019 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 19:32:43,041 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 19:32:43,053 INFO L204 MainTranslator]: Completed translation [2024-10-24 19:32:43,053 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:32:43 WrapperNode [2024-10-24 19:32:43,054 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 19:32:43,054 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 19:32:43,054 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 19:32:43,054 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 19:32:43,059 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:32:43" (1/1) ... [2024-10-24 19:32:43,067 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:32:43" (1/1) ... [2024-10-24 19:32:43,085 INFO L138 Inliner]: procedures = 16, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 84 [2024-10-24 19:32:43,086 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 19:32:43,086 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 19:32:43,086 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 19:32:43,087 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 19:32:43,094 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:32:43" (1/1) ... [2024-10-24 19:32:43,094 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:32:43" (1/1) ... [2024-10-24 19:32:43,095 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:32:43" (1/1) ... [2024-10-24 19:32:43,104 INFO L175 MemorySlicer]: Split 4 memory accesses to 2 slices as follows [2, 2]. 50 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 1 writes are split as follows [0, 1]. [2024-10-24 19:32:43,104 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:32:43" (1/1) ... [2024-10-24 19:32:43,105 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:32:43" (1/1) ... [2024-10-24 19:32:43,109 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:32:43" (1/1) ... [2024-10-24 19:32:43,111 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:32:43" (1/1) ... [2024-10-24 19:32:43,113 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:32:43" (1/1) ... [2024-10-24 19:32:43,114 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:32:43" (1/1) ... [2024-10-24 19:32:43,115 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 19:32:43,116 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 19:32:43,116 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 19:32:43,116 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 19:32:43,120 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:32:43" (1/1) ... [2024-10-24 19:32:43,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 19:32:43,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:32:43,154 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) [2024-10-24 19:32:43,156 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 [2024-10-24 19:32:43,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 19:32:43,194 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 19:32:43,194 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 19:32:43,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 19:32:43,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-24 19:32:43,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-24 19:32:43,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-24 19:32:43,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-24 19:32:43,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 19:32:43,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 19:32:43,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-24 19:32:43,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-24 19:32:43,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-24 19:32:43,254 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 19:32:43,256 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 19:32:43,407 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-10-24 19:32:43,408 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 19:32:43,439 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 19:32:43,441 INFO L314 CfgBuilder]: Removed 4 assume(true) statements. [2024-10-24 19:32:43,442 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 07:32:43 BoogieIcfgContainer [2024-10-24 19:32:43,442 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 19:32:43,445 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 19:32:43,445 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 19:32:43,448 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 19:32:43,449 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 07:32:42" (1/3) ... [2024-10-24 19:32:43,450 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51cca680 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 07:32:43, skipping insertion in model container [2024-10-24 19:32:43,450 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:32:43" (2/3) ... [2024-10-24 19:32:43,450 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51cca680 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 07:32:43, skipping insertion in model container [2024-10-24 19:32:43,450 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 07:32:43" (3/3) ... [2024-10-24 19:32:43,451 INFO L112 eAbstractionObserver]: Analyzing ICFG init-non-constant-2-n-u.c [2024-10-24 19:32:43,465 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 19:32:43,465 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2024-10-24 19:32:43,519 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 19:32:43,524 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;@6aa9f141, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 19:32:43,525 INFO L334 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2024-10-24 19:32:43,528 INFO L276 IsEmpty]: Start isEmpty. Operand has 40 states, 24 states have (on average 1.9166666666666667) internal successors, (46), 37 states have internal predecessors, (46), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 19:32:43,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-10-24 19:32:43,535 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:32:43,535 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:32:43,536 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-24 19:32:43,541 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:32:43,541 INFO L85 PathProgramCache]: Analyzing trace with hash 1028593088, now seen corresponding path program 1 times [2024-10-24 19:32:43,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:32:43,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319347355] [2024-10-24 19:32:43,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:32:43,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:32:43,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:32:43,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 19:32:43,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:32:43,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-24 19:32:43,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:32:43,684 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-24 19:32:43,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:32:43,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319347355] [2024-10-24 19:32:43,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319347355] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:32:43,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:32:43,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 19:32:43,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844919419] [2024-10-24 19:32:43,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:32:43,690 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 19:32:43,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:32:43,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 19:32:43,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 19:32:43,708 INFO L87 Difference]: Start difference. First operand has 40 states, 24 states have (on average 1.9166666666666667) internal successors, (46), 37 states have internal predecessors, (46), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 19:32:43,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:32:43,726 INFO L93 Difference]: Finished difference Result 78 states and 99 transitions. [2024-10-24 19:32:43,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 19:32:43,728 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 14 [2024-10-24 19:32:43,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:32:43,733 INFO L225 Difference]: With dead ends: 78 [2024-10-24 19:32:43,733 INFO L226 Difference]: Without dead ends: 38 [2024-10-24 19:32:43,735 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 19:32:43,737 INFO L432 NwaCegarLoop]: 42 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, 42 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 [2024-10-24 19:32:43,738 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 42 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 19:32:43,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2024-10-24 19:32:43,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2024-10-24 19:32:43,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 23 states have (on average 1.6521739130434783) internal successors, (38), 35 states have internal predecessors, (38), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 19:32:43,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 42 transitions. [2024-10-24 19:32:43,763 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 42 transitions. Word has length 14 [2024-10-24 19:32:43,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:32:43,764 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 42 transitions. [2024-10-24 19:32:43,764 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 19:32:43,764 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 42 transitions. [2024-10-24 19:32:43,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-10-24 19:32:43,765 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:32:43,765 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:32:43,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 19:32:43,765 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-24 19:32:43,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:32:43,766 INFO L85 PathProgramCache]: Analyzing trace with hash 1786915596, now seen corresponding path program 1 times [2024-10-24 19:32:43,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:32:43,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459537273] [2024-10-24 19:32:43,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:32:43,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:32:43,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:32:43,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 19:32:43,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:32:43,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-24 19:32:43,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:32:43,918 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-24 19:32:43,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:32:43,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459537273] [2024-10-24 19:32:43,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459537273] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:32:43,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:32:43,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 19:32:43,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999725931] [2024-10-24 19:32:43,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:32:43,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 19:32:43,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:32:43,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 19:32:43,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 19:32:43,921 INFO L87 Difference]: Start difference. First operand 38 states and 42 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-24 19:32:43,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:32:43,978 INFO L93 Difference]: Finished difference Result 64 states and 75 transitions. [2024-10-24 19:32:43,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 19:32:43,979 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 14 [2024-10-24 19:32:43,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:32:43,979 INFO L225 Difference]: With dead ends: 64 [2024-10-24 19:32:43,979 INFO L226 Difference]: Without dead ends: 60 [2024-10-24 19:32:43,980 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 19:32:43,981 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 20 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 19:32:43,981 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 43 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 19:32:43,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2024-10-24 19:32:43,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 56. [2024-10-24 19:32:43,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 41 states have (on average 1.6341463414634145) internal successors, (67), 52 states have internal predecessors, (67), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 19:32:43,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 71 transitions. [2024-10-24 19:32:43,987 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 71 transitions. Word has length 14 [2024-10-24 19:32:43,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:32:43,988 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 71 transitions. [2024-10-24 19:32:43,988 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-24 19:32:43,988 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 71 transitions. [2024-10-24 19:32:43,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-10-24 19:32:43,988 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:32:43,988 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:32:43,988 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 19:32:43,989 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-24 19:32:43,989 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:32:43,989 INFO L85 PathProgramCache]: Analyzing trace with hash 1786915647, now seen corresponding path program 1 times [2024-10-24 19:32:43,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:32:43,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483221377] [2024-10-24 19:32:43,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:32:43,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:32:43,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:32:44,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 19:32:44,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:32:44,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-24 19:32:44,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:32:44,088 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-24 19:32:44,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:32:44,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483221377] [2024-10-24 19:32:44,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483221377] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:32:44,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:32:44,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 19:32:44,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976547314] [2024-10-24 19:32:44,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:32:44,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 19:32:44,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:32:44,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 19:32:44,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 19:32:44,095 INFO L87 Difference]: Start difference. First operand 56 states and 71 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-24 19:32:44,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:32:44,211 INFO L93 Difference]: Finished difference Result 80 states and 93 transitions. [2024-10-24 19:32:44,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 19:32:44,212 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 14 [2024-10-24 19:32:44,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:32:44,212 INFO L225 Difference]: With dead ends: 80 [2024-10-24 19:32:44,212 INFO L226 Difference]: Without dead ends: 72 [2024-10-24 19:32:44,213 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 19:32:44,213 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 43 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 19:32:44,214 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 46 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 19:32:44,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-10-24 19:32:44,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 68. [2024-10-24 19:32:44,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 53 states have (on average 1.528301886792453) internal successors, (81), 64 states have internal predecessors, (81), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 19:32:44,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 85 transitions. [2024-10-24 19:32:44,226 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 85 transitions. Word has length 14 [2024-10-24 19:32:44,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:32:44,226 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 85 transitions. [2024-10-24 19:32:44,226 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-24 19:32:44,226 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 85 transitions. [2024-10-24 19:32:44,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-10-24 19:32:44,227 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:32:44,227 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:32:44,227 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 19:32:44,227 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-24 19:32:44,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:32:44,228 INFO L85 PathProgramCache]: Analyzing trace with hash -1203969629, now seen corresponding path program 1 times [2024-10-24 19:32:44,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:32:44,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140304973] [2024-10-24 19:32:44,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:32:44,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:32:44,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:32:44,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 19:32:44,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:32:44,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-24 19:32:44,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:32:44,301 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-24 19:32:44,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:32:44,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140304973] [2024-10-24 19:32:44,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140304973] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:32:44,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1951735914] [2024-10-24 19:32:44,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:32:44,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:32:44,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:32:44,305 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) [2024-10-24 19:32:44,306 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-24 19:32:44,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:32:44,351 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 19:32:44,354 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:32:44,399 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-24 19:32:44,400 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 19:32:44,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1951735914] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:32:44,400 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 19:32:44,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-10-24 19:32:44,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589614273] [2024-10-24 19:32:44,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:32:44,401 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 19:32:44,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:32:44,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 19:32:44,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 19:32:44,401 INFO L87 Difference]: Start difference. First operand 68 states and 85 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-24 19:32:44,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:32:44,457 INFO L93 Difference]: Finished difference Result 72 states and 85 transitions. [2024-10-24 19:32:44,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 19:32:44,457 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 18 [2024-10-24 19:32:44,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:32:44,459 INFO L225 Difference]: With dead ends: 72 [2024-10-24 19:32:44,459 INFO L226 Difference]: Without dead ends: 70 [2024-10-24 19:32:44,459 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 19:32:44,460 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 43 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 19:32:44,460 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 48 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 19:32:44,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2024-10-24 19:32:44,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 66. [2024-10-24 19:32:44,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 53 states have (on average 1.490566037735849) internal successors, (79), 62 states have internal predecessors, (79), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 19:32:44,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 83 transitions. [2024-10-24 19:32:44,466 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 83 transitions. Word has length 18 [2024-10-24 19:32:44,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:32:44,466 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 83 transitions. [2024-10-24 19:32:44,466 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-24 19:32:44,466 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 83 transitions. [2024-10-24 19:32:44,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-10-24 19:32:44,467 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:32:44,467 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:32:44,480 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-24 19:32:44,667 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:32:44,668 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-24 19:32:44,668 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:32:44,669 INFO L85 PathProgramCache]: Analyzing trace with hash -1203969578, now seen corresponding path program 1 times [2024-10-24 19:32:44,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:32:44,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803860496] [2024-10-24 19:32:44,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:32:44,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:32:44,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:32:44,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 19:32:44,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:32:44,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-24 19:32:44,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:32:44,752 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-24 19:32:44,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:32:44,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803860496] [2024-10-24 19:32:44,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803860496] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:32:44,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:32:44,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 19:32:44,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607465035] [2024-10-24 19:32:44,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:32:44,753 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 19:32:44,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:32:44,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 19:32:44,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 19:32:44,754 INFO L87 Difference]: Start difference. First operand 66 states and 83 transitions. Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-24 19:32:44,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:32:44,824 INFO L93 Difference]: Finished difference Result 141 states and 181 transitions. [2024-10-24 19:32:44,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 19:32:44,824 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 18 [2024-10-24 19:32:44,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:32:44,825 INFO L225 Difference]: With dead ends: 141 [2024-10-24 19:32:44,825 INFO L226 Difference]: Without dead ends: 95 [2024-10-24 19:32:44,826 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 19:32:44,826 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 17 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 19:32:44,827 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 77 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 19:32:44,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2024-10-24 19:32:44,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 93. [2024-10-24 19:32:44,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 80 states have (on average 1.4375) internal successors, (115), 89 states have internal predecessors, (115), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 19:32:44,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 119 transitions. [2024-10-24 19:32:44,834 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 119 transitions. Word has length 18 [2024-10-24 19:32:44,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:32:44,834 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 119 transitions. [2024-10-24 19:32:44,834 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-24 19:32:44,835 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 119 transitions. [2024-10-24 19:32:44,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-10-24 19:32:44,835 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:32:44,835 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:32:44,835 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 19:32:44,835 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-24 19:32:44,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:32:44,836 INFO L85 PathProgramCache]: Analyzing trace with hash 1331647232, now seen corresponding path program 1 times [2024-10-24 19:32:44,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:32:44,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518652438] [2024-10-24 19:32:44,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:32:44,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:32:44,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:32:44,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 19:32:44,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:32:44,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-24 19:32:44,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:32:44,903 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-24 19:32:44,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:32:44,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518652438] [2024-10-24 19:32:44,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518652438] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:32:44,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1487396317] [2024-10-24 19:32:44,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:32:44,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:32:44,904 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:32:44,905 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) [2024-10-24 19:32:44,906 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-24 19:32:44,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:32:44,953 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 19:32:44,954 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:32:44,985 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-24 19:32:44,986 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 19:32:45,032 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-24 19:32:45,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1487396317] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 19:32:45,032 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 19:32:45,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-10-24 19:32:45,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781960805] [2024-10-24 19:32:45,032 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 19:32:45,033 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 19:32:45,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:32:45,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 19:32:45,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-24 19:32:45,033 INFO L87 Difference]: Start difference. First operand 93 states and 119 transitions. Second operand has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 7 states have internal predecessors, (26), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-24 19:32:45,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:32:45,135 INFO L93 Difference]: Finished difference Result 225 states and 299 transitions. [2024-10-24 19:32:45,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 19:32:45,136 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 7 states have internal predecessors, (26), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 19 [2024-10-24 19:32:45,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:32:45,138 INFO L225 Difference]: With dead ends: 225 [2024-10-24 19:32:45,138 INFO L226 Difference]: Without dead ends: 223 [2024-10-24 19:32:45,138 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-24 19:32:45,139 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 114 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 19:32:45,139 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 90 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 19:32:45,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2024-10-24 19:32:45,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 207. [2024-10-24 19:32:45,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 194 states have (on average 1.458762886597938) internal successors, (283), 203 states have internal predecessors, (283), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 19:32:45,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 287 transitions. [2024-10-24 19:32:45,152 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 287 transitions. Word has length 19 [2024-10-24 19:32:45,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:32:45,153 INFO L471 AbstractCegarLoop]: Abstraction has 207 states and 287 transitions. [2024-10-24 19:32:45,153 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 7 states have internal predecessors, (26), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-24 19:32:45,153 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 287 transitions. [2024-10-24 19:32:45,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-10-24 19:32:45,153 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:32:45,153 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:32:45,169 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-24 19:32:45,354 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,SelfDestructingSolverStorable5 [2024-10-24 19:32:45,354 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-24 19:32:45,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:32:45,355 INFO L85 PathProgramCache]: Analyzing trace with hash -1512936035, now seen corresponding path program 1 times [2024-10-24 19:32:45,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:32:45,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956245099] [2024-10-24 19:32:45,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:32:45,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:32:45,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:32:45,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 19:32:45,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:32:45,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-24 19:32:45,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:32:45,421 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-24 19:32:45,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:32:45,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956245099] [2024-10-24 19:32:45,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956245099] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:32:45,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [547953844] [2024-10-24 19:32:45,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:32:45,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:32:45,422 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:32:45,426 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) [2024-10-24 19:32:45,427 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-24 19:32:45,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:32:45,464 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-24 19:32:45,465 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:32:45,521 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-24 19:32:45,521 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 19:32:45,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [547953844] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:32:45,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 19:32:45,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-10-24 19:32:45,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687980587] [2024-10-24 19:32:45,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:32:45,522 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 19:32:45,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:32:45,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 19:32:45,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-10-24 19:32:45,522 INFO L87 Difference]: Start difference. First operand 207 states and 287 transitions. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-24 19:32:45,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:32:45,601 INFO L93 Difference]: Finished difference Result 207 states and 287 transitions. [2024-10-24 19:32:45,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 19:32:45,602 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 19 [2024-10-24 19:32:45,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:32:45,603 INFO L225 Difference]: With dead ends: 207 [2024-10-24 19:32:45,603 INFO L226 Difference]: Without dead ends: 203 [2024-10-24 19:32:45,603 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-10-24 19:32:45,604 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 21 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 19:32:45,604 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 29 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 19:32:45,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2024-10-24 19:32:45,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 203. [2024-10-24 19:32:45,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 194 states have (on average 1.3144329896907216) internal successors, (255), 199 states have internal predecessors, (255), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 19:32:45,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 259 transitions. [2024-10-24 19:32:45,630 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 259 transitions. Word has length 19 [2024-10-24 19:32:45,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:32:45,630 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 259 transitions. [2024-10-24 19:32:45,630 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-24 19:32:45,630 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 259 transitions. [2024-10-24 19:32:45,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-10-24 19:32:45,631 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:32:45,631 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:32:45,643 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-24 19:32:45,834 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:32:45,835 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-24 19:32:45,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:32:45,835 INFO L85 PathProgramCache]: Analyzing trace with hash 343623227, now seen corresponding path program 1 times [2024-10-24 19:32:45,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:32:45,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993948287] [2024-10-24 19:32:45,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:32:45,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:32:45,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:32:45,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 19:32:45,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:32:45,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-24 19:32:45,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:32:45,896 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-24 19:32:45,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:32:45,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993948287] [2024-10-24 19:32:45,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993948287] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:32:45,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [620051527] [2024-10-24 19:32:45,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:32:45,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:32:45,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:32:45,898 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) [2024-10-24 19:32:45,899 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-24 19:32:45,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:32:45,936 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-24 19:32:45,936 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:32:45,979 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-24 19:32:45,980 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 19:32:46,024 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-24 19:32:46,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [620051527] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 19:32:46,024 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 19:32:46,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2024-10-24 19:32:46,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625428022] [2024-10-24 19:32:46,025 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 19:32:46,025 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-24 19:32:46,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:32:46,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-24 19:32:46,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2024-10-24 19:32:46,026 INFO L87 Difference]: Start difference. First operand 203 states and 259 transitions. Second operand has 11 states, 10 states have (on average 3.3) internal successors, (33), 11 states have internal predecessors, (33), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-24 19:32:46,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:32:46,205 INFO L93 Difference]: Finished difference Result 239 states and 305 transitions. [2024-10-24 19:32:46,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-24 19:32:46,206 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.3) internal successors, (33), 11 states have internal predecessors, (33), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 20 [2024-10-24 19:32:46,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:32:46,207 INFO L225 Difference]: With dead ends: 239 [2024-10-24 19:32:46,207 INFO L226 Difference]: Without dead ends: 235 [2024-10-24 19:32:46,207 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=85, Invalid=125, Unknown=0, NotChecked=0, Total=210 [2024-10-24 19:32:46,208 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 188 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 19:32:46,208 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 51 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 19:32:46,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2024-10-24 19:32:46,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 233. [2024-10-24 19:32:46,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233 states, 224 states have (on average 1.28125) internal successors, (287), 229 states have internal predecessors, (287), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 19:32:46,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 291 transitions. [2024-10-24 19:32:46,221 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 291 transitions. Word has length 20 [2024-10-24 19:32:46,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:32:46,222 INFO L471 AbstractCegarLoop]: Abstraction has 233 states and 291 transitions. [2024-10-24 19:32:46,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.3) internal successors, (33), 11 states have internal predecessors, (33), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-24 19:32:46,222 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 291 transitions. [2024-10-24 19:32:46,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-10-24 19:32:46,223 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:32:46,223 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-10-24 19:32:46,236 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-24 19:32:46,423 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:32:46,424 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-24 19:32:46,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:32:46,424 INFO L85 PathProgramCache]: Analyzing trace with hash 579132635, now seen corresponding path program 2 times [2024-10-24 19:32:46,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:32:46,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613775040] [2024-10-24 19:32:46,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:32:46,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:32:46,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:32:46,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 19:32:46,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:32:46,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-24 19:32:46,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:32:46,461 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-10-24 19:32:46,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:32:46,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613775040] [2024-10-24 19:32:46,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1613775040] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:32:46,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [815039426] [2024-10-24 19:32:46,462 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-24 19:32:46,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:32:46,462 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:32:46,463 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) [2024-10-24 19:32:46,464 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-24 19:32:46,495 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-24 19:32:46,496 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 19:32:46,496 INFO L255 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 19:32:46,497 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:32:46,519 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-10-24 19:32:46,520 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 19:32:46,551 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-10-24 19:32:46,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [815039426] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 19:32:46,552 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 19:32:46,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2024-10-24 19:32:46,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995127548] [2024-10-24 19:32:46,552 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 19:32:46,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 19:32:46,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:32:46,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 19:32:46,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 19:32:46,553 INFO L87 Difference]: Start difference. First operand 233 states and 291 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-24 19:32:46,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:32:46,588 INFO L93 Difference]: Finished difference Result 233 states and 291 transitions. [2024-10-24 19:32:46,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 19:32:46,590 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 31 [2024-10-24 19:32:46,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:32:46,591 INFO L225 Difference]: With dead ends: 233 [2024-10-24 19:32:46,591 INFO L226 Difference]: Without dead ends: 192 [2024-10-24 19:32:46,591 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 63 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 19:32:46,591 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 41 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 19:32:46,592 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 29 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 19:32:46,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2024-10-24 19:32:46,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 116. [2024-10-24 19:32:46,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 109 states have (on average 1.1926605504587156) internal successors, (130), 112 states have internal predecessors, (130), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 19:32:46,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 134 transitions. [2024-10-24 19:32:46,600 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 134 transitions. Word has length 31 [2024-10-24 19:32:46,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:32:46,600 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 134 transitions. [2024-10-24 19:32:46,600 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-24 19:32:46,600 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 134 transitions. [2024-10-24 19:32:46,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-10-24 19:32:46,601 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:32:46,601 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:32:46,618 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-24 19:32:46,801 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:32:46,802 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-24 19:32:46,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:32:46,802 INFO L85 PathProgramCache]: Analyzing trace with hash 283017138, now seen corresponding path program 1 times [2024-10-24 19:32:46,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:32:46,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116804580] [2024-10-24 19:32:46,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:32:46,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:32:46,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:32:46,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 19:32:46,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:32:46,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-24 19:32:46,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:32:46,835 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-24 19:32:46,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:32:46,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116804580] [2024-10-24 19:32:46,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116804580] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:32:46,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2004204526] [2024-10-24 19:32:46,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:32:46,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:32:46,836 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:32:46,837 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) [2024-10-24 19:32:46,838 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-24 19:32:46,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:32:46,874 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 19:32:46,875 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:32:46,889 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-24 19:32:46,889 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 19:32:46,910 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-24 19:32:46,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2004204526] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 19:32:46,911 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 19:32:46,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-10-24 19:32:46,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456865607] [2024-10-24 19:32:46,911 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 19:32:46,911 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 19:32:46,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:32:46,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 19:32:46,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-24 19:32:46,912 INFO L87 Difference]: Start difference. First operand 116 states and 134 transitions. Second operand has 7 states, 6 states have (on average 6.833333333333333) internal successors, (41), 7 states have internal predecessors, (41), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-24 19:32:46,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:32:46,975 INFO L93 Difference]: Finished difference Result 166 states and 204 transitions. [2024-10-24 19:32:46,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 19:32:46,976 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.833333333333333) internal successors, (41), 7 states have internal predecessors, (41), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 31 [2024-10-24 19:32:46,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:32:46,976 INFO L225 Difference]: With dead ends: 166 [2024-10-24 19:32:46,976 INFO L226 Difference]: Without dead ends: 164 [2024-10-24 19:32:46,977 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-24 19:32:46,977 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 42 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 19:32:46,978 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 55 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 19:32:46,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2024-10-24 19:32:46,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2024-10-24 19:32:46,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 157 states have (on average 1.2229299363057324) internal successors, (192), 160 states have internal predecessors, (192), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 19:32:46,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 196 transitions. [2024-10-24 19:32:46,987 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 196 transitions. Word has length 31 [2024-10-24 19:32:46,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:32:46,987 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 196 transitions. [2024-10-24 19:32:46,988 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.833333333333333) internal successors, (41), 7 states have internal predecessors, (41), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-24 19:32:46,988 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 196 transitions. [2024-10-24 19:32:46,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-10-24 19:32:46,989 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:32:46,989 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-10-24 19:32:47,004 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-24 19:32:47,193 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:32:47,194 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-24 19:32:47,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:32:47,194 INFO L85 PathProgramCache]: Analyzing trace with hash -53850823, now seen corresponding path program 1 times [2024-10-24 19:32:47,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:32:47,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674993490] [2024-10-24 19:32:47,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:32:47,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:32:47,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:32:47,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 19:32:47,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:32:47,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-24 19:32:47,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:32:47,274 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-24 19:32:47,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:32:47,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674993490] [2024-10-24 19:32:47,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674993490] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:32:47,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1151108163] [2024-10-24 19:32:47,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:32:47,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:32:47,275 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:32:47,276 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) [2024-10-24 19:32:47,277 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-24 19:32:47,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:32:47,318 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-24 19:32:47,319 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:32:47,358 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-24 19:32:47,358 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 19:32:47,407 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-24 19:32:47,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1151108163] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 19:32:47,407 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 19:32:47,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-10-24 19:32:47,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410953117] [2024-10-24 19:32:47,408 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 19:32:47,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-24 19:32:47,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:32:47,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-24 19:32:47,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2024-10-24 19:32:47,409 INFO L87 Difference]: Start difference. First operand 164 states and 196 transitions. Second operand has 12 states, 11 states have (on average 5.7272727272727275) internal successors, (63), 12 states have internal predecessors, (63), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-24 19:32:47,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:32:47,629 INFO L93 Difference]: Finished difference Result 412 states and 517 transitions. [2024-10-24 19:32:47,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-24 19:32:47,631 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.7272727272727275) internal successors, (63), 12 states have internal predecessors, (63), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 33 [2024-10-24 19:32:47,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:32:47,633 INFO L225 Difference]: With dead ends: 412 [2024-10-24 19:32:47,633 INFO L226 Difference]: Without dead ends: 410 [2024-10-24 19:32:47,633 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=150, Invalid=230, Unknown=0, NotChecked=0, Total=380 [2024-10-24 19:32:47,634 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 287 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 287 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 19:32:47,634 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [287 Valid, 48 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 19:32:47,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2024-10-24 19:32:47,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 230. [2024-10-24 19:32:47,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 223 states have (on average 1.2242152466367713) internal successors, (273), 226 states have internal predecessors, (273), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 19:32:47,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 277 transitions. [2024-10-24 19:32:47,642 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 277 transitions. Word has length 33 [2024-10-24 19:32:47,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:32:47,642 INFO L471 AbstractCegarLoop]: Abstraction has 230 states and 277 transitions. [2024-10-24 19:32:47,643 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.7272727272727275) internal successors, (63), 12 states have internal predecessors, (63), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-24 19:32:47,643 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 277 transitions. [2024-10-24 19:32:47,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-10-24 19:32:47,643 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:32:47,643 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:32:47,657 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-10-24 19:32:47,844 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:32:47,845 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-24 19:32:47,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:32:47,845 INFO L85 PathProgramCache]: Analyzing trace with hash 342807812, now seen corresponding path program 2 times [2024-10-24 19:32:47,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:32:47,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219373736] [2024-10-24 19:32:47,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:32:47,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:32:47,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:32:47,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 19:32:47,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:32:47,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-24 19:32:47,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:32:47,928 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 23 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-24 19:32:47,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:32:47,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219373736] [2024-10-24 19:32:47,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219373736] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:32:47,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1086914246] [2024-10-24 19:32:47,928 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-24 19:32:47,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:32:47,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:32:47,930 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) [2024-10-24 19:32:47,931 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-24 19:32:47,970 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-24 19:32:47,970 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 19:32:47,971 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-24 19:32:47,972 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:32:48,069 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 1 proven. 21 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-24 19:32:48,070 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 19:32:48,176 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-24 19:32:48,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1086914246] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 19:32:48,176 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 19:32:48,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 19 [2024-10-24 19:32:48,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337813865] [2024-10-24 19:32:48,177 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 19:32:48,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-10-24 19:32:48,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:32:48,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-10-24 19:32:48,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2024-10-24 19:32:48,178 INFO L87 Difference]: Start difference. First operand 230 states and 277 transitions. Second operand has 19 states, 19 states have (on average 3.3684210526315788) internal successors, (64), 19 states have internal predecessors, (64), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-24 19:32:48,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:32:48,620 INFO L93 Difference]: Finished difference Result 704 states and 840 transitions. [2024-10-24 19:32:48,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-24 19:32:48,621 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 3.3684210526315788) internal successors, (64), 19 states have internal predecessors, (64), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 34 [2024-10-24 19:32:48,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:32:48,622 INFO L225 Difference]: With dead ends: 704 [2024-10-24 19:32:48,622 INFO L226 Difference]: Without dead ends: 436 [2024-10-24 19:32:48,624 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 402 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=374, Invalid=1186, Unknown=0, NotChecked=0, Total=1560 [2024-10-24 19:32:48,624 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 409 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 409 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 19:32:48,624 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [409 Valid, 96 Invalid, 434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 379 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 19:32:48,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2024-10-24 19:32:48,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 207. [2024-10-24 19:32:48,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 200 states have (on average 1.165) internal successors, (233), 203 states have internal predecessors, (233), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 19:32:48,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 237 transitions. [2024-10-24 19:32:48,634 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 237 transitions. Word has length 34 [2024-10-24 19:32:48,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:32:48,634 INFO L471 AbstractCegarLoop]: Abstraction has 207 states and 237 transitions. [2024-10-24 19:32:48,634 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.3684210526315788) internal successors, (64), 19 states have internal predecessors, (64), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-24 19:32:48,634 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 237 transitions. [2024-10-24 19:32:48,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-10-24 19:32:48,634 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:32:48,634 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:32:48,650 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-24 19:32:48,838 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-10-24 19:32:48,839 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-24 19:32:48,839 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:32:48,839 INFO L85 PathProgramCache]: Analyzing trace with hash 553671771, now seen corresponding path program 1 times [2024-10-24 19:32:48,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:32:48,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104652758] [2024-10-24 19:32:48,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:32:48,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:32:48,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:32:48,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 19:32:48,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:32:48,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-24 19:32:48,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:32:48,891 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-10-24 19:32:48,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:32:48,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104652758] [2024-10-24 19:32:48,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1104652758] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:32:48,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1963876582] [2024-10-24 19:32:48,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:32:48,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:32:48,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:32:48,893 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) [2024-10-24 19:32:48,894 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-24 19:32:48,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:32:48,936 INFO L255 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-24 19:32:48,937 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:32:48,987 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-24 19:32:48,987 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 19:32:49,046 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-24 19:32:49,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1963876582] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 19:32:49,047 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 19:32:49,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 6, 6] total 12 [2024-10-24 19:32:49,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716137393] [2024-10-24 19:32:49,047 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 19:32:49,047 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-24 19:32:49,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:32:49,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-24 19:32:49,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=88, Unknown=0, NotChecked=0, Total=156 [2024-10-24 19:32:49,048 INFO L87 Difference]: Start difference. First operand 207 states and 237 transitions. Second operand has 13 states, 12 states have (on average 5.333333333333333) internal successors, (64), 13 states have internal predecessors, (64), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-24 19:32:49,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:32:49,250 INFO L93 Difference]: Finished difference Result 393 states and 499 transitions. [2024-10-24 19:32:49,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-24 19:32:49,250 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.333333333333333) internal successors, (64), 13 states have internal predecessors, (64), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 37 [2024-10-24 19:32:49,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:32:49,251 INFO L225 Difference]: With dead ends: 393 [2024-10-24 19:32:49,251 INFO L226 Difference]: Without dead ends: 262 [2024-10-24 19:32:49,252 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=198, Invalid=308, Unknown=0, NotChecked=0, Total=506 [2024-10-24 19:32:49,252 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 286 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 19:32:49,252 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [286 Valid, 66 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 19:32:49,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2024-10-24 19:32:49,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 94. [2024-10-24 19:32:49,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 89 states have (on average 1.0786516853932584) internal successors, (96), 90 states have internal predecessors, (96), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 19:32:49,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 100 transitions. [2024-10-24 19:32:49,258 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 100 transitions. Word has length 37 [2024-10-24 19:32:49,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:32:49,258 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 100 transitions. [2024-10-24 19:32:49,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.333333333333333) internal successors, (64), 13 states have internal predecessors, (64), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-24 19:32:49,259 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 100 transitions. [2024-10-24 19:32:49,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-10-24 19:32:49,259 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:32:49,259 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:32:49,271 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-10-24 19:32:49,459 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-10-24 19:32:49,460 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-24 19:32:49,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:32:49,460 INFO L85 PathProgramCache]: Analyzing trace with hash 1797177284, now seen corresponding path program 3 times [2024-10-24 19:32:49,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:32:49,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260345719] [2024-10-24 19:32:49,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:32:49,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:32:49,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:32:49,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 19:32:49,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:32:49,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-24 19:32:49,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:32:49,549 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-24 19:32:49,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:32:49,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260345719] [2024-10-24 19:32:49,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260345719] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:32:49,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1472887635] [2024-10-24 19:32:49,550 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-24 19:32:49,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:32:49,550 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:32:49,551 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) [2024-10-24 19:32:49,552 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-24 19:32:49,593 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-10-24 19:32:49,593 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 19:32:49,594 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-24 19:32:49,595 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:32:49,699 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-10-24 19:32:49,699 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 19:32:49,759 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-10-24 19:32:49,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1472887635] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 19:32:49,760 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 19:32:49,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 4] total 12 [2024-10-24 19:32:49,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112322436] [2024-10-24 19:32:49,760 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 19:32:49,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-24 19:32:49,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:32:49,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-24 19:32:49,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2024-10-24 19:32:49,761 INFO L87 Difference]: Start difference. First operand 94 states and 100 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 states have internal predecessors, (65), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-24 19:32:50,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:32:50,053 INFO L93 Difference]: Finished difference Result 222 states and 242 transitions. [2024-10-24 19:32:50,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-24 19:32:50,054 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 states have internal predecessors, (65), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 44 [2024-10-24 19:32:50,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:32:50,055 INFO L225 Difference]: With dead ends: 222 [2024-10-24 19:32:50,055 INFO L226 Difference]: Without dead ends: 220 [2024-10-24 19:32:50,055 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 221 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=286, Invalid=706, Unknown=0, NotChecked=0, Total=992 [2024-10-24 19:32:50,056 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 254 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 286 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 19:32:50,056 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [254 Valid, 84 Invalid, 326 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 286 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 19:32:50,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2024-10-24 19:32:50,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 182. [2024-10-24 19:32:50,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 177 states have (on average 1.073446327683616) internal successors, (190), 178 states have internal predecessors, (190), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 19:32:50,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 194 transitions. [2024-10-24 19:32:50,065 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 194 transitions. Word has length 44 [2024-10-24 19:32:50,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:32:50,065 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 194 transitions. [2024-10-24 19:32:50,065 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 states have internal predecessors, (65), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-24 19:32:50,065 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 194 transitions. [2024-10-24 19:32:50,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-10-24 19:32:50,066 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:32:50,066 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-10-24 19:32:50,078 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-10-24 19:32:50,266 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,SelfDestructingSolverStorable13 [2024-10-24 19:32:50,267 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-24 19:32:50,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:32:50,267 INFO L85 PathProgramCache]: Analyzing trace with hash 1526754893, now seen corresponding path program 4 times [2024-10-24 19:32:50,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:32:50,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434700364] [2024-10-24 19:32:50,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:32:50,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:32:50,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:32:50,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 19:32:50,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:32:50,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-24 19:32:50,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:32:50,386 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 0 proven. 181 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-10-24 19:32:50,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:32:50,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434700364] [2024-10-24 19:32:50,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [434700364] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:32:50,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [731608513] [2024-10-24 19:32:50,386 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-24 19:32:50,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:32:50,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:32:50,388 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) [2024-10-24 19:32:50,389 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-24 19:32:50,439 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-24 19:32:50,439 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 19:32:50,440 INFO L255 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-24 19:32:50,441 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:32:50,552 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 139 proven. 70 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-24 19:32:50,553 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 19:32:50,641 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 139 proven. 70 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-24 19:32:50,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [731608513] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 19:32:50,642 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 19:32:50,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 11, 11] total 21 [2024-10-24 19:32:50,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759011754] [2024-10-24 19:32:50,642 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 19:32:50,642 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-10-24 19:32:50,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:32:50,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-10-24 19:32:50,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=338, Unknown=0, NotChecked=0, Total=420 [2024-10-24 19:32:50,643 INFO L87 Difference]: Start difference. First operand 182 states and 194 transitions. Second operand has 21 states, 21 states have (on average 4.761904761904762) internal successors, (100), 21 states have internal predecessors, (100), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-24 19:32:51,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:32:51,221 INFO L93 Difference]: Finished difference Result 573 states and 622 transitions. [2024-10-24 19:32:51,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-10-24 19:32:51,221 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 4.761904761904762) internal successors, (100), 21 states have internal predecessors, (100), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 68 [2024-10-24 19:32:51,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:32:51,223 INFO L225 Difference]: With dead ends: 573 [2024-10-24 19:32:51,223 INFO L226 Difference]: Without dead ends: 448 [2024-10-24 19:32:51,224 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 120 SyntacticMatches, 5 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 724 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=571, Invalid=2081, Unknown=0, NotChecked=0, Total=2652 [2024-10-24 19:32:51,224 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 918 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 564 mSolverCounterSat, 150 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 918 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 714 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 150 IncrementalHoareTripleChecker+Valid, 564 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 19:32:51,226 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [918 Valid, 153 Invalid, 714 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [150 Valid, 564 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 19:32:51,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2024-10-24 19:32:51,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 370. [2024-10-24 19:32:51,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 370 states, 365 states have (on average 1.0712328767123287) internal successors, (391), 366 states have internal predecessors, (391), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 19:32:51,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 395 transitions. [2024-10-24 19:32:51,256 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 395 transitions. Word has length 68 [2024-10-24 19:32:51,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:32:51,256 INFO L471 AbstractCegarLoop]: Abstraction has 370 states and 395 transitions. [2024-10-24 19:32:51,257 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 4.761904761904762) internal successors, (100), 21 states have internal predecessors, (100), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-24 19:32:51,257 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 395 transitions. [2024-10-24 19:32:51,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-10-24 19:32:51,257 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:32:51,257 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 11, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-10-24 19:32:51,269 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-10-24 19:32:51,458 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,SelfDestructingSolverStorable14 [2024-10-24 19:32:51,458 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-24 19:32:51,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:32:51,458 INFO L85 PathProgramCache]: Analyzing trace with hash 31996324, now seen corresponding path program 5 times [2024-10-24 19:32:51,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:32:51,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980035094] [2024-10-24 19:32:51,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:32:51,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:32:51,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:32:51,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 19:32:51,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:32:51,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-24 19:32:51,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:32:51,583 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 0 proven. 305 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-10-24 19:32:51,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:32:51,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980035094] [2024-10-24 19:32:51,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980035094] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:32:51,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1717992254] [2024-10-24 19:32:51,583 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-24 19:32:51,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:32:51,584 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:32:51,585 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) [2024-10-24 19:32:51,586 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-24 19:32:51,736 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2024-10-24 19:32:51,736 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 19:32:51,737 INFO L255 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-24 19:32:51,738 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:32:51,846 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 0 proven. 305 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-10-24 19:32:51,847 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 19:32:51,950 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 0 proven. 305 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-10-24 19:32:51,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1717992254] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 19:32:51,951 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 19:32:51,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 19 [2024-10-24 19:32:51,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760967101] [2024-10-24 19:32:51,951 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 19:32:51,951 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-10-24 19:32:51,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:32:51,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-10-24 19:32:51,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=252, Unknown=0, NotChecked=0, Total=380 [2024-10-24 19:32:51,952 INFO L87 Difference]: Start difference. First operand 370 states and 395 transitions. Second operand has 20 states, 19 states have (on average 5.842105263157895) internal successors, (111), 20 states have internal predecessors, (111), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-24 19:32:52,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:32:52,650 INFO L93 Difference]: Finished difference Result 1062 states and 1185 transitions. [2024-10-24 19:32:52,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-10-24 19:32:52,650 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 5.842105263157895) internal successors, (111), 20 states have internal predecessors, (111), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 82 [2024-10-24 19:32:52,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:32:52,653 INFO L225 Difference]: With dead ends: 1062 [2024-10-24 19:32:52,653 INFO L226 Difference]: Without dead ends: 1060 [2024-10-24 19:32:52,654 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1113 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=1167, Invalid=2139, Unknown=0, NotChecked=0, Total=3306 [2024-10-24 19:32:52,654 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 1536 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 292 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1536 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 19:32:52,655 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1536 Valid, 68 Invalid, 425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 292 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 19:32:52,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1060 states. [2024-10-24 19:32:52,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1060 to 926. [2024-10-24 19:32:52,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 926 states, 921 states have (on average 1.0803474484256244) internal successors, (995), 922 states have internal predecessors, (995), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 19:32:52,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 926 states and 999 transitions. [2024-10-24 19:32:52,705 INFO L78 Accepts]: Start accepts. Automaton has 926 states and 999 transitions. Word has length 82 [2024-10-24 19:32:52,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:32:52,705 INFO L471 AbstractCegarLoop]: Abstraction has 926 states and 999 transitions. [2024-10-24 19:32:52,705 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 5.842105263157895) internal successors, (111), 20 states have internal predecessors, (111), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-24 19:32:52,705 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states and 999 transitions. [2024-10-24 19:32:52,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-10-24 19:32:52,706 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:32:52,706 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-10-24 19:32:52,713 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-10-24 19:32:52,906 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,SelfDestructingSolverStorable15 [2024-10-24 19:32:52,907 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-24 19:32:52,907 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:32:52,907 INFO L85 PathProgramCache]: Analyzing trace with hash 1276431017, now seen corresponding path program 6 times [2024-10-24 19:32:52,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:32:52,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257834005] [2024-10-24 19:32:52,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:32:52,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:32:52,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:32:53,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 19:32:53,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:32:53,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-24 19:32:53,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:32:53,107 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 493 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-10-24 19:32:53,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:32:53,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257834005] [2024-10-24 19:32:53,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257834005] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:32:53,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [138680630] [2024-10-24 19:32:53,108 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-10-24 19:32:53,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:32:53,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:32:53,109 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) [2024-10-24 19:32:53,110 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-24 19:32:53,165 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2024-10-24 19:32:53,165 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 19:32:53,166 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-10-24 19:32:53,167 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:32:53,417 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 334 refuted. 0 times theorem prover too weak. 278 trivial. 0 not checked. [2024-10-24 19:32:53,417 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 19:32:53,616 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 334 refuted. 0 times theorem prover too weak. 278 trivial. 0 not checked. [2024-10-24 19:32:53,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [138680630] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 19:32:53,616 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 19:32:53,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8, 8] total 25 [2024-10-24 19:32:53,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290061795] [2024-10-24 19:32:53,616 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 19:32:53,617 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-10-24 19:32:53,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:32:53,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-10-24 19:32:53,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=548, Unknown=0, NotChecked=0, Total=650 [2024-10-24 19:32:53,618 INFO L87 Difference]: Start difference. First operand 926 states and 999 transitions. Second operand has 26 states, 21 states have (on average 4.476190476190476) internal successors, (94), 24 states have internal predecessors, (94), 5 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-10-24 19:32:54,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:32:54,361 INFO L93 Difference]: Finished difference Result 1246 states and 1351 transitions. [2024-10-24 19:32:54,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-10-24 19:32:54,362 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 21 states have (on average 4.476190476190476) internal successors, (94), 24 states have internal predecessors, (94), 5 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 98 [2024-10-24 19:32:54,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:32:54,362 INFO L225 Difference]: With dead ends: 1246 [2024-10-24 19:32:54,362 INFO L226 Difference]: Without dead ends: 0 [2024-10-24 19:32:54,364 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 720 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=693, Invalid=2277, Unknown=0, NotChecked=0, Total=2970 [2024-10-24 19:32:54,364 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 1133 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 425 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1133 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 19:32:54,364 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1133 Valid, 100 Invalid, 524 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 425 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 19:32:54,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-24 19:32:54,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-24 19:32:54,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2024-10-24 19:32:54,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-24 19:32:54,365 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 98 [2024-10-24 19:32:54,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:32:54,365 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-24 19:32:54,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 21 states have (on average 4.476190476190476) internal successors, (94), 24 states have internal predecessors, (94), 5 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-10-24 19:32:54,365 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-24 19:32:54,365 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-24 19:32:54,368 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 12 remaining) [2024-10-24 19:32:54,368 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 12 remaining) [2024-10-24 19:32:54,368 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 12 remaining) [2024-10-24 19:32:54,368 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 12 remaining) [2024-10-24 19:32:54,368 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 12 remaining) [2024-10-24 19:32:54,368 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 12 remaining) [2024-10-24 19:32:54,368 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 12 remaining) [2024-10-24 19:32:54,368 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 12 remaining) [2024-10-24 19:32:54,369 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 12 remaining) [2024-10-24 19:32:54,369 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 12 remaining) [2024-10-24 19:32:54,369 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 12 remaining) [2024-10-24 19:32:54,369 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 12 remaining) [2024-10-24 19:32:54,382 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-10-24 19:32:54,569 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,SelfDestructingSolverStorable16 [2024-10-24 19:32:54,572 INFO L407 BasicCegarLoop]: Path program histogram: [6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:32:54,574 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-24 19:33:05,198 WARN L286 SmtUtils]: Spent 10.34s on a formula simplification. DAG size of input: 345 DAG size of output: 273 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-10-24 19:33:15,060 WARN L286 SmtUtils]: Spent 9.86s on a formula simplification. DAG size of input: 333 DAG size of output: 261 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-10-24 19:33:16,651 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-24 19:33:16,673 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 07:33:16 BoogieIcfgContainer [2024-10-24 19:33:16,673 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-24 19:33:16,673 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-24 19:33:16,673 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-24 19:33:16,674 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-24 19:33:16,674 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 07:32:43" (3/4) ... [2024-10-24 19:33:16,675 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-24 19:33:16,678 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-10-24 19:33:16,680 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-10-24 19:33:16,680 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-24 19:33:16,681 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-24 19:33:16,681 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-24 19:33:16,755 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-24 19:33:16,755 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-24 19:33:16,755 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-24 19:33:16,755 INFO L158 Benchmark]: Toolchain (without parser) took 33928.85ms. Allocated memory was 146.8MB in the beginning and 811.6MB in the end (delta: 664.8MB). Free memory was 75.0MB in the beginning and 411.2MB in the end (delta: -336.2MB). Peak memory consumption was 329.8MB. Max. memory is 16.1GB. [2024-10-24 19:33:16,756 INFO L158 Benchmark]: CDTParser took 0.70ms. Allocated memory is still 146.8MB. Free memory was 99.4MB in the beginning and 99.2MB in the end (delta: 151.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 19:33:16,756 INFO L158 Benchmark]: CACSL2BoogieTranslator took 226.17ms. Allocated memory was 146.8MB in the beginning and 216.0MB in the end (delta: 69.2MB). Free memory was 74.7MB in the beginning and 187.2MB in the end (delta: -112.5MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2024-10-24 19:33:16,756 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.54ms. Allocated memory is still 216.0MB. Free memory was 187.2MB in the beginning and 186.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 19:33:16,756 INFO L158 Benchmark]: Boogie Preprocessor took 28.79ms. Allocated memory is still 216.0MB. Free memory was 186.1MB in the beginning and 184.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 19:33:16,756 INFO L158 Benchmark]: RCFGBuilder took 326.54ms. Allocated memory is still 216.0MB. Free memory was 184.0MB in the beginning and 168.3MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-24 19:33:16,756 INFO L158 Benchmark]: TraceAbstraction took 33228.18ms. Allocated memory was 216.0MB in the beginning and 811.6MB in the end (delta: 595.6MB). Free memory was 167.3MB in the beginning and 416.4MB in the end (delta: -249.2MB). Peak memory consumption was 474.4MB. Max. memory is 16.1GB. [2024-10-24 19:33:16,757 INFO L158 Benchmark]: Witness Printer took 81.72ms. Allocated memory is still 811.6MB. Free memory was 416.4MB in the beginning and 411.2MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-24 19:33:16,758 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.70ms. Allocated memory is still 146.8MB. Free memory was 99.4MB in the beginning and 99.2MB in the end (delta: 151.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 226.17ms. Allocated memory was 146.8MB in the beginning and 216.0MB in the end (delta: 69.2MB). Free memory was 74.7MB in the beginning and 187.2MB in the end (delta: -112.5MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.54ms. Allocated memory is still 216.0MB. Free memory was 187.2MB in the beginning and 186.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.79ms. Allocated memory is still 216.0MB. Free memory was 186.1MB in the beginning and 184.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 326.54ms. Allocated memory is still 216.0MB. Free memory was 184.0MB in the beginning and 168.3MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 33228.18ms. Allocated memory was 216.0MB in the beginning and 811.6MB in the end (delta: 595.6MB). Free memory was 167.3MB in the beginning and 416.4MB in the end (delta: -249.2MB). Peak memory consumption was 474.4MB. Max. memory is 16.1GB. * Witness Printer took 81.72ms. Allocated memory is still 811.6MB. Free memory was 416.4MB in the beginning and 411.2MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 40 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 11.1s, OverallIterations: 17, TraceHistogramMax: 16, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 4.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5352 SdHoareTripleChecker+Valid, 2.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5352 mSDsluCounter, 1125 SdHoareTripleChecker+Invalid, 1.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 797 mSDsCounter, 668 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2900 IncrementalHoareTripleChecker+Invalid, 3568 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 668 mSolverCounterUnsat, 328 mSDtfsCounter, 2900 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1306 GetRequests, 993 SyntacticMatches, 6 SemanticMatches, 307 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3371 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=926occurred in iteration=16, InterpolantAutomatonStates: 259, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 17 MinimizatonAttempts, 935 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 1128 NumberOfCodeBlocks, 1018 NumberOfCodeBlocksAsserted, 45 NumberOfCheckSat, 1584 ConstructedInterpolants, 0 QuantifiedInterpolants, 5492 SizeOfPredicates, 20 NumberOfNonLiveVariables, 1372 ConjunctsInSsa, 76 ConjunctsInUnsatCore, 41 InterpolantComputations, 6 PerfectInterpolantSequences, 1648/4496 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 12 specifications checked. All of them hold - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: (((((((((((m <= 1000) && (s <= 1499)) && (1 <= i)) && (1 <= j)) && (q <= 999)) && (((long long) i + j) <= 2147483647)) && (n <= 1500)) && (i <= 998)) || ((((((((i == 0) && (1 <= j)) && (j <= 2147483647)) && (q <= 2147483647)) && (((long long) q + s) <= 2147483649)) && (((long long) j + q) <= 2147483649)) || (((((((1 <= i) && (1 <= j)) && (i <= 2147483646)) && (q <= 2147483647)) && (((long long) i + s) <= 2147483648)) && (((long long) q + s) <= 2147483649)) && (((long long) j + q) <= 2147483649))) && (s <= 2147483647))) || (((((((m <= 1000) && (s <= 1499)) && (i == 0)) && (1 <= j)) && (q <= 999)) && (n <= 1500)) && (j <= 2147483647))) || ((((((i == 0) && (j == 0)) && (q <= 2147483647)) && (((long long) q + s) <= 2147483649)) || ((((((1 <= i) && (i <= 2147483646)) && (j == 0)) && (q <= 2147483647)) && (((long long) i + s) <= 2147483648)) && (((long long) q + s) <= 2147483649))) && (s <= 2147483647))) - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: (((((1 <= i) && (s <= 0)) && (q <= 2147483647)) || (((((1 <= i) && (i <= 2147483647)) && (s <= 2147483647)) && (q <= 2147483647)) && (((long long) q + s) <= 2147483649))) || (((((m <= 1000) && (s <= 1499)) && (i == 0)) && (q <= 999)) && (n <= 1500))) - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: ((((1 <= i) && (s <= 0)) && (q <= 2147483647)) || (((((i == 0) && (q <= 2147483647)) && (((long long) q + s) <= 2147483649)) || ((((1 <= i) && (i <= 2147483647)) && (q <= 2147483647)) && (((long long) q + s) <= 2147483649))) && (s <= 2147483647))) - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: ((((((((((((m <= 1000) && (s <= 1499)) && (1 <= i)) && (1 <= j)) && (q <= 999)) && (((long long) i + j) <= 2147483647)) && (n <= 1500)) && (i <= 998)) || (((((((m <= 1000) && (s <= 1499)) && (i == 0)) && (1 <= j)) && (q <= 999)) && (n <= 1500)) && (j <= 2147483647))) || ((((((m <= 1000) && (s <= 1499)) && (i == 0)) && (q <= 999)) && (n <= 1500)) && (j == 0))) || (((((((1 <= i) && (1 <= j)) && (i <= 2147483646)) && (q <= 2147483647)) && (((long long) i + s) <= 2147483648)) && (((long long) q + s) <= 2147483649)) && (((long long) j + q) <= 2147483649))) || ((((((1 <= i) && (i <= 2147483646)) && (j == 0)) && (q <= 2147483647)) && (((long long) i + s) <= 2147483648)) && (((long long) q + s) <= 2147483649))) - ProcedureContractResult [Line: 5]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: (cond != 0) RESULT: Ultimate proved your program to be correct! [2024-10-24 19:33:16,781 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE