./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9439004819e2e34c2ab2e87057bca89732394fc53eb02ecb90192bb8fac7667a --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 13:27:14,989 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 13:27:15,044 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-13 13:27:15,047 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 13:27:15,047 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 13:27:15,061 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 13:27:15,062 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 13:27:15,062 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 13:27:15,062 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 13:27:15,063 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 13:27:15,063 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 13:27:15,063 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 13:27:15,064 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 13:27:15,064 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 13:27:15,064 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 13:27:15,065 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 13:27:15,065 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 13:27:15,065 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 13:27:15,065 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 13:27:15,066 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 13:27:15,066 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 13:27:15,066 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 13:27:15,067 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 13:27:15,067 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 13:27:15,067 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 13:27:15,068 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-13 13:27:15,068 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 13:27:15,068 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 13:27:15,068 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 13:27:15,069 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 13:27:15,069 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 13:27:15,069 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 13:27:15,069 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 13:27:15,070 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 13:27:15,070 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 13:27:15,070 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 13:27:15,071 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 13:27:15,071 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 13:27:15,071 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 13:27:15,071 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 13:27:15,072 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 13:27:15,072 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 13:27:15,072 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 13:27:15,073 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 13:27:15,073 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9439004819e2e34c2ab2e87057bca89732394fc53eb02ecb90192bb8fac7667a [2024-10-13 13:27:15,324 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 13:27:15,354 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 13:27:15,356 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 13:27:15,358 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 13:27:15,358 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 13:27:15,359 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound1.c [2024-10-13 13:27:16,715 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 13:27:16,919 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 13:27:16,920 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound1.c [2024-10-13 13:27:16,933 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/015be1a8a/e252acbcbd584efcbd6f401f9604eaed/FLAG4129b2f41 [2024-10-13 13:27:16,951 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/015be1a8a/e252acbcbd584efcbd6f401f9604eaed [2024-10-13 13:27:16,953 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 13:27:16,955 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 13:27:16,956 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 13:27:16,957 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 13:27:16,962 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 13:27:16,963 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:27:16" (1/1) ... [2024-10-13 13:27:16,965 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@358d6044 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:27:16, skipping insertion in model container [2024-10-13 13:27:16,965 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:27:16" (1/1) ... [2024-10-13 13:27:16,986 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 13:27:17,148 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 13:27:17,156 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 13:27:17,172 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 13:27:17,182 INFO L204 MainTranslator]: Completed translation [2024-10-13 13:27:17,183 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:27:17 WrapperNode [2024-10-13 13:27:17,183 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 13:27:17,184 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 13:27:17,184 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 13:27:17,184 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 13:27:17,189 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:27:17" (1/1) ... [2024-10-13 13:27:17,194 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:27:17" (1/1) ... [2024-10-13 13:27:17,213 INFO L138 Inliner]: procedures = 14, calls = 20, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 149 [2024-10-13 13:27:17,214 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 13:27:17,214 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 13:27:17,214 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 13:27:17,215 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 13:27:17,222 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:27:17" (1/1) ... [2024-10-13 13:27:17,222 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:27:17" (1/1) ... [2024-10-13 13:27:17,223 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:27:17" (1/1) ... [2024-10-13 13:27:17,231 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-13 13:27:17,231 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:27:17" (1/1) ... [2024-10-13 13:27:17,232 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:27:17" (1/1) ... [2024-10-13 13:27:17,234 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:27:17" (1/1) ... [2024-10-13 13:27:17,236 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:27:17" (1/1) ... [2024-10-13 13:27:17,237 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:27:17" (1/1) ... [2024-10-13 13:27:17,237 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:27:17" (1/1) ... [2024-10-13 13:27:17,239 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 13:27:17,240 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 13:27:17,240 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 13:27:17,240 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 13:27:17,241 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:27:17" (1/1) ... [2024-10-13 13:27:17,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 13:27:17,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:27:17,270 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) [2024-10-13 13:27:17,274 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 [2024-10-13 13:27:17,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 13:27:17,306 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-13 13:27:17,307 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-13 13:27:17,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 13:27:17,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 13:27:17,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 13:27:17,307 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-13 13:27:17,307 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-13 13:27:17,355 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 13:27:17,357 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 13:27:18,019 INFO L? ?]: Removed 196 outVars from TransFormulas that were not future-live. [2024-10-13 13:27:18,019 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 13:27:18,053 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 13:27:18,053 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-13 13:27:18,053 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:27:18 BoogieIcfgContainer [2024-10-13 13:27:18,054 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 13:27:18,055 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 13:27:18,055 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 13:27:18,061 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 13:27:18,061 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 01:27:16" (1/3) ... [2024-10-13 13:27:18,061 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24d80201 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:27:18, skipping insertion in model container [2024-10-13 13:27:18,061 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:27:17" (2/3) ... [2024-10-13 13:27:18,061 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24d80201 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:27:18, skipping insertion in model container [2024-10-13 13:27:18,062 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:27:18" (3/3) ... [2024-10-13 13:27:18,065 INFO L112 eAbstractionObserver]: Analyzing ICFG egcd2-ll_valuebound1.c [2024-10-13 13:27:18,088 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 13:27:18,089 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 64 error locations. [2024-10-13 13:27:18,155 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 13:27:18,162 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;@5d2294fa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 13:27:18,162 INFO L334 AbstractCegarLoop]: Starting to check reachability of 64 error locations. [2024-10-13 13:27:18,170 INFO L276 IsEmpty]: Start isEmpty. Operand has 158 states, 79 states have (on average 1.9113924050632911) internal successors, (151), 144 states have internal predecessors, (151), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-13 13:27:18,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-10-13 13:27:18,178 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:27:18,178 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:27:18,179 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-13 13:27:18,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:27:18,184 INFO L85 PathProgramCache]: Analyzing trace with hash 1634057786, now seen corresponding path program 1 times [2024-10-13 13:27:18,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:27:18,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95472005] [2024-10-13 13:27:18,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:27:18,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:27:18,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:18,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 13:27:18,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:18,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 13:27:18,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:18,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 13:27:18,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:18,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-13 13:27:18,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:18,392 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-13 13:27:18,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:27:18,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95472005] [2024-10-13 13:27:18,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95472005] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:27:18,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:27:18,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 13:27:18,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934177606] [2024-10-13 13:27:18,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:27:18,407 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-13 13:27:18,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:27:18,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-13 13:27:18,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 13:27:18,439 INFO L87 Difference]: Start difference. First operand has 158 states, 79 states have (on average 1.9113924050632911) internal successors, (151), 144 states have internal predecessors, (151), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-13 13:27:18,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:27:18,471 INFO L93 Difference]: Finished difference Result 313 states and 359 transitions. [2024-10-13 13:27:18,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-13 13:27:18,474 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 24 [2024-10-13 13:27:18,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:27:18,480 INFO L225 Difference]: With dead ends: 313 [2024-10-13 13:27:18,481 INFO L226 Difference]: Without dead ends: 154 [2024-10-13 13:27:18,483 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 13:27:18,486 INFO L432 NwaCegarLoop]: 166 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, 166 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 [2024-10-13 13:27:18,488 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 166 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 13:27:18,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2024-10-13 13:27:18,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2024-10-13 13:27:18,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 78 states have (on average 1.8205128205128205) internal successors, (142), 141 states have internal predecessors, (142), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-10-13 13:27:18,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 164 transitions. [2024-10-13 13:27:18,527 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 164 transitions. Word has length 24 [2024-10-13 13:27:18,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:27:18,527 INFO L471 AbstractCegarLoop]: Abstraction has 154 states and 164 transitions. [2024-10-13 13:27:18,528 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-13 13:27:18,528 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 164 transitions. [2024-10-13 13:27:18,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-10-13 13:27:18,529 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:27:18,529 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:27:18,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 13:27:18,530 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-13 13:27:18,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:27:18,531 INFO L85 PathProgramCache]: Analyzing trace with hash 385715966, now seen corresponding path program 1 times [2024-10-13 13:27:18,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:27:18,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123170298] [2024-10-13 13:27:18,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:27:18,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:27:18,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:27:18,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [716986017] [2024-10-13 13:27:18,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:27:18,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:27:18,573 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:27:18,577 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) [2024-10-13 13:27:18,583 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-13 13:27:18,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:18,634 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-13 13:27:18,639 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:27:18,753 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-13 13:27:18,753 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:27:18,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:27:18,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123170298] [2024-10-13 13:27:18,754 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:27:18,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [716986017] [2024-10-13 13:27:18,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [716986017] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:27:18,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:27:18,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-13 13:27:18,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553044098] [2024-10-13 13:27:18,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:27:18,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 13:27:18,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:27:18,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 13:27:18,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-10-13 13:27:18,761 INFO L87 Difference]: Start difference. First operand 154 states and 164 transitions. Second operand has 7 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-13 13:27:19,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:27:19,106 INFO L93 Difference]: Finished difference Result 154 states and 164 transitions. [2024-10-13 13:27:19,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 13:27:19,106 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) Word has length 24 [2024-10-13 13:27:19,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:27:19,107 INFO L225 Difference]: With dead ends: 154 [2024-10-13 13:27:19,107 INFO L226 Difference]: Without dead ends: 152 [2024-10-13 13:27:19,108 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-10-13 13:27:19,108 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 196 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 355 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 13:27:19,109 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 236 Invalid, 363 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 355 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 13:27:19,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2024-10-13 13:27:19,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2024-10-13 13:27:19,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 78 states have (on average 1.794871794871795) internal successors, (140), 139 states have internal predecessors, (140), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-10-13 13:27:19,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 162 transitions. [2024-10-13 13:27:19,128 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 162 transitions. Word has length 24 [2024-10-13 13:27:19,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:27:19,129 INFO L471 AbstractCegarLoop]: Abstraction has 152 states and 162 transitions. [2024-10-13 13:27:19,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-13 13:27:19,129 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 162 transitions. [2024-10-13 13:27:19,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-10-13 13:27:19,130 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:27:19,130 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:27:19,143 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-13 13:27:19,334 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:27:19,335 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-13 13:27:19,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:27:19,336 INFO L85 PathProgramCache]: Analyzing trace with hash -927706900, now seen corresponding path program 1 times [2024-10-13 13:27:19,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:27:19,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734952249] [2024-10-13 13:27:19,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:27:19,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:27:19,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:27:19,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1809388316] [2024-10-13 13:27:19,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:27:19,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:27:19,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:27:19,363 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) [2024-10-13 13:27:19,365 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-13 13:27:19,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:19,397 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-13 13:27:19,399 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:27:19,463 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-13 13:27:19,463 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:27:19,758 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-13 13:27:19,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:27:19,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734952249] [2024-10-13 13:27:19,759 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:27:19,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1809388316] [2024-10-13 13:27:19,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1809388316] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:27:19,759 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-13 13:27:19,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-10-13 13:27:19,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900406197] [2024-10-13 13:27:19,759 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-13 13:27:19,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-13 13:27:19,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:27:19,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-13 13:27:19,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-10-13 13:27:19,761 INFO L87 Difference]: Start difference. First operand 152 states and 162 transitions. Second operand has 11 states, 8 states have (on average 2.25) internal successors, (18), 9 states have internal predecessors, (18), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 4 states have call successors, (8) [2024-10-13 13:27:20,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:27:20,244 INFO L93 Difference]: Finished difference Result 152 states and 162 transitions. [2024-10-13 13:27:20,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-13 13:27:20,246 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 8 states have (on average 2.25) internal successors, (18), 9 states have internal predecessors, (18), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 4 states have call successors, (8) Word has length 25 [2024-10-13 13:27:20,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:27:20,248 INFO L225 Difference]: With dead ends: 152 [2024-10-13 13:27:20,248 INFO L226 Difference]: Without dead ends: 151 [2024-10-13 13:27:20,248 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-10-13 13:27:20,249 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 376 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 374 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 383 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-13 13:27:20,249 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [383 Valid, 252 Invalid, 396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 374 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-13 13:27:20,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2024-10-13 13:27:20,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2024-10-13 13:27:20,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 78 states have (on average 1.7820512820512822) internal successors, (139), 138 states have internal predecessors, (139), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-10-13 13:27:20,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 161 transitions. [2024-10-13 13:27:20,257 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 161 transitions. Word has length 25 [2024-10-13 13:27:20,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:27:20,258 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 161 transitions. [2024-10-13 13:27:20,258 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 8 states have (on average 2.25) internal successors, (18), 9 states have internal predecessors, (18), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 4 states have call successors, (8) [2024-10-13 13:27:20,258 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 161 transitions. [2024-10-13 13:27:20,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-10-13 13:27:20,259 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:27:20,259 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:27:20,272 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-13 13:27:20,459 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,SelfDestructingSolverStorable2 [2024-10-13 13:27:20,459 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-13 13:27:20,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:27:20,460 INFO L85 PathProgramCache]: Analyzing trace with hash 1810640804, now seen corresponding path program 1 times [2024-10-13 13:27:20,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:27:20,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266010420] [2024-10-13 13:27:20,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:27:20,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:27:20,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:20,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 13:27:20,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:20,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 13:27:20,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:20,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 13:27:20,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:20,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-13 13:27:20,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:20,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-13 13:27:20,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:20,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 13:27:20,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:20,701 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-10-13 13:27:20,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:27:20,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266010420] [2024-10-13 13:27:20,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266010420] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:27:20,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [892339343] [2024-10-13 13:27:20,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:27:20,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:27:20,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:27:20,709 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) [2024-10-13 13:27:20,712 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-13 13:27:20,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:20,754 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-13 13:27:20,755 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:27:20,771 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-13 13:27:20,771 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:27:20,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [892339343] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:27:20,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:27:20,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 7 [2024-10-13 13:27:20,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374608688] [2024-10-13 13:27:20,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:27:20,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 13:27:20,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:27:20,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 13:27:20,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-13 13:27:20,773 INFO L87 Difference]: Start difference. First operand 151 states and 161 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-13 13:27:21,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:27:21,051 INFO L93 Difference]: Finished difference Result 257 states and 289 transitions. [2024-10-13 13:27:21,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 13:27:21,052 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 40 [2024-10-13 13:27:21,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:27:21,053 INFO L225 Difference]: With dead ends: 257 [2024-10-13 13:27:21,053 INFO L226 Difference]: Without dead ends: 247 [2024-10-13 13:27:21,054 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-13 13:27:21,058 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 89 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 13:27:21,059 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 217 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 13:27:21,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2024-10-13 13:27:21,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 204. [2024-10-13 13:27:21,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 127 states have (on average 1.763779527559055) internal successors, (224), 186 states have internal predecessors, (224), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-10-13 13:27:21,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 254 transitions. [2024-10-13 13:27:21,080 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 254 transitions. Word has length 40 [2024-10-13 13:27:21,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:27:21,080 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 254 transitions. [2024-10-13 13:27:21,080 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-13 13:27:21,080 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 254 transitions. [2024-10-13 13:27:21,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-10-13 13:27:21,081 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:27:21,081 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:27:21,105 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-13 13:27:21,285 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:27:21,286 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-13 13:27:21,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:27:21,286 INFO L85 PathProgramCache]: Analyzing trace with hash 295288537, now seen corresponding path program 1 times [2024-10-13 13:27:21,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:27:21,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190137023] [2024-10-13 13:27:21,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:27:21,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:27:21,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:27:21,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1430035589] [2024-10-13 13:27:21,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:27:21,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:27:21,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:27:21,314 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) [2024-10-13 13:27:21,318 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-13 13:27:21,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:21,377 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-13 13:27:21,382 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:27:21,387 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-13 13:27:21,387 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:27:21,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:27:21,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190137023] [2024-10-13 13:27:21,387 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:27:21,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1430035589] [2024-10-13 13:27:21,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1430035589] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:27:21,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:27:21,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 13:27:21,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993109467] [2024-10-13 13:27:21,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:27:21,392 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 13:27:21,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:27:21,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 13:27:21,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:27:21,393 INFO L87 Difference]: Start difference. First operand 204 states and 254 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-10-13 13:27:21,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:27:21,595 INFO L93 Difference]: Finished difference Result 350 states and 450 transitions. [2024-10-13 13:27:21,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 13:27:21,596 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 41 [2024-10-13 13:27:21,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:27:21,598 INFO L225 Difference]: With dead ends: 350 [2024-10-13 13:27:21,598 INFO L226 Difference]: Without dead ends: 342 [2024-10-13 13:27:21,598 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:27:21,599 INFO L432 NwaCegarLoop]: 140 mSDtfsCounter, 83 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 13:27:21,599 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 271 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 13:27:21,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2024-10-13 13:27:21,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 303. [2024-10-13 13:27:21,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 218 states have (on average 1.7660550458715596) internal successors, (385), 277 states have internal predecessors, (385), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-13 13:27:21,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 431 transitions. [2024-10-13 13:27:21,624 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 431 transitions. Word has length 41 [2024-10-13 13:27:21,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:27:21,625 INFO L471 AbstractCegarLoop]: Abstraction has 303 states and 431 transitions. [2024-10-13 13:27:21,625 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-10-13 13:27:21,625 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 431 transitions. [2024-10-13 13:27:21,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-10-13 13:27:21,625 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:27:21,626 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:27:21,650 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-13 13:27:21,826 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:27:21,826 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-13 13:27:21,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:27:21,827 INFO L85 PathProgramCache]: Analyzing trace with hash 564063750, now seen corresponding path program 1 times [2024-10-13 13:27:21,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:27:21,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480045419] [2024-10-13 13:27:21,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:27:21,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:27:21,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:21,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 13:27:21,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:21,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 13:27:21,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:21,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 13:27:21,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:21,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-13 13:27:21,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:21,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-13 13:27:21,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:21,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 13:27:21,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:21,942 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-10-13 13:27:21,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:27:21,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480045419] [2024-10-13 13:27:21,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480045419] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:27:21,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [717063960] [2024-10-13 13:27:21,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:27:21,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:27:21,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:27:21,948 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) [2024-10-13 13:27:21,950 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-13 13:27:21,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:21,985 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 13:27:21,987 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:27:22,046 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-13 13:27:22,046 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:27:22,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [717063960] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:27:22,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:27:22,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-10-13 13:27:22,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89098887] [2024-10-13 13:27:22,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:27:22,047 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:27:22,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:27:22,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:27:22,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-13 13:27:22,048 INFO L87 Difference]: Start difference. First operand 303 states and 431 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-13 13:27:22,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:27:22,528 INFO L93 Difference]: Finished difference Result 322 states and 453 transitions. [2024-10-13 13:27:22,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:27:22,529 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 42 [2024-10-13 13:27:22,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:27:22,530 INFO L225 Difference]: With dead ends: 322 [2024-10-13 13:27:22,530 INFO L226 Difference]: Without dead ends: 321 [2024-10-13 13:27:22,531 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-13 13:27:22,531 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 59 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 277 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-13 13:27:22,531 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 199 Invalid, 277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 277 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-13 13:27:22,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2024-10-13 13:27:22,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 304. [2024-10-13 13:27:22,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 219 states have (on average 1.7625570776255708) internal successors, (386), 278 states have internal predecessors, (386), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-13 13:27:22,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 432 transitions. [2024-10-13 13:27:22,540 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 432 transitions. Word has length 42 [2024-10-13 13:27:22,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:27:22,540 INFO L471 AbstractCegarLoop]: Abstraction has 304 states and 432 transitions. [2024-10-13 13:27:22,540 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-13 13:27:22,540 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 432 transitions. [2024-10-13 13:27:22,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-10-13 13:27:22,541 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:27:22,541 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:27:22,553 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-13 13:27:22,745 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:27:22,746 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-13 13:27:22,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:27:22,746 INFO L85 PathProgramCache]: Analyzing trace with hash 304444923, now seen corresponding path program 1 times [2024-10-13 13:27:22,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:27:22,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297412560] [2024-10-13 13:27:22,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:27:22,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:27:22,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:22,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 13:27:22,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:22,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 13:27:22,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:22,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 13:27:22,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:22,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-13 13:27:22,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:22,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-13 13:27:22,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:22,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 13:27:22,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:22,876 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-10-13 13:27:22,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:27:22,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297412560] [2024-10-13 13:27:22,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297412560] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:27:22,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1827937997] [2024-10-13 13:27:22,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:27:22,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:27:22,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:27:22,879 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) [2024-10-13 13:27:22,880 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-13 13:27:22,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:22,918 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-13 13:27:22,919 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:27:22,992 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-13 13:27:22,993 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:27:22,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1827937997] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:27:22,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:27:22,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 10 [2024-10-13 13:27:22,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986131562] [2024-10-13 13:27:22,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:27:22,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 13:27:22,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:27:22,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 13:27:22,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-10-13 13:27:22,994 INFO L87 Difference]: Start difference. First operand 304 states and 432 transitions. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-13 13:27:23,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:27:23,739 INFO L93 Difference]: Finished difference Result 385 states and 452 transitions. [2024-10-13 13:27:23,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 13:27:23,740 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 43 [2024-10-13 13:27:23,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:27:23,741 INFO L225 Difference]: With dead ends: 385 [2024-10-13 13:27:23,741 INFO L226 Difference]: Without dead ends: 384 [2024-10-13 13:27:23,741 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2024-10-13 13:27:23,742 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 468 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 473 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-13 13:27:23,742 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [473 Valid, 281 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 242 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-13 13:27:23,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2024-10-13 13:27:23,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 304. [2024-10-13 13:27:23,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 219 states have (on average 1.7579908675799087) internal successors, (385), 278 states have internal predecessors, (385), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-13 13:27:23,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 431 transitions. [2024-10-13 13:27:23,751 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 431 transitions. Word has length 43 [2024-10-13 13:27:23,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:27:23,751 INFO L471 AbstractCegarLoop]: Abstraction has 304 states and 431 transitions. [2024-10-13 13:27:23,751 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-13 13:27:23,752 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 431 transitions. [2024-10-13 13:27:23,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-10-13 13:27:23,752 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:27:23,752 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:27:23,765 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-10-13 13:27:23,956 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:27:23,957 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-13 13:27:23,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:27:23,957 INFO L85 PathProgramCache]: Analyzing trace with hash 306107257, now seen corresponding path program 1 times [2024-10-13 13:27:23,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:27:23,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321778279] [2024-10-13 13:27:23,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:27:23,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:27:23,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:23,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 13:27:23,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:23,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 13:27:23,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:23,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 13:27:23,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:23,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-13 13:27:23,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:24,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-13 13:27:24,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:24,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 13:27:24,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:24,012 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-10-13 13:27:24,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:27:24,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321778279] [2024-10-13 13:27:24,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321778279] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:27:24,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1874012172] [2024-10-13 13:27:24,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:27:24,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:27:24,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:27:24,014 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) [2024-10-13 13:27:24,016 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-13 13:27:24,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:24,047 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 13:27:24,048 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:27:24,089 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-13 13:27:24,090 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:27:24,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1874012172] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:27:24,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:27:24,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-10-13 13:27:24,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812092908] [2024-10-13 13:27:24,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:27:24,090 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:27:24,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:27:24,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:27:24,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-13 13:27:24,091 INFO L87 Difference]: Start difference. First operand 304 states and 431 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-13 13:27:24,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:27:24,595 INFO L93 Difference]: Finished difference Result 322 states and 451 transitions. [2024-10-13 13:27:24,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:27:24,595 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 43 [2024-10-13 13:27:24,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:27:24,597 INFO L225 Difference]: With dead ends: 322 [2024-10-13 13:27:24,597 INFO L226 Difference]: Without dead ends: 321 [2024-10-13 13:27:24,597 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-13 13:27:24,597 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 58 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 276 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-13 13:27:24,598 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 200 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 276 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-13 13:27:24,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2024-10-13 13:27:24,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 305. [2024-10-13 13:27:24,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 220 states have (on average 1.7545454545454546) internal successors, (386), 279 states have internal predecessors, (386), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-13 13:27:24,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 432 transitions. [2024-10-13 13:27:24,606 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 432 transitions. Word has length 43 [2024-10-13 13:27:24,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:27:24,606 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 432 transitions. [2024-10-13 13:27:24,606 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-13 13:27:24,606 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 432 transitions. [2024-10-13 13:27:24,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-10-13 13:27:24,607 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:27:24,607 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:27:24,619 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-13 13:27:24,807 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:27:24,808 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-13 13:27:24,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:27:24,808 INFO L85 PathProgramCache]: Analyzing trace with hash 847858100, now seen corresponding path program 1 times [2024-10-13 13:27:24,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:27:24,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185871102] [2024-10-13 13:27:24,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:27:24,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:27:24,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:27:24,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [550557049] [2024-10-13 13:27:24,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:27:24,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:27:24,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:27:24,821 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) [2024-10-13 13:27:24,822 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-13 13:27:24,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:24,857 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-13 13:27:24,858 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:27:24,929 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-13 13:27:24,929 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:27:24,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:27:24,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185871102] [2024-10-13 13:27:24,929 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:27:24,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [550557049] [2024-10-13 13:27:24,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [550557049] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:27:24,930 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:27:24,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 13:27:24,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956657592] [2024-10-13 13:27:24,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:27:24,930 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 13:27:24,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:27:24,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 13:27:24,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 13:27:24,931 INFO L87 Difference]: Start difference. First operand 305 states and 432 transitions. Second operand has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-13 13:27:25,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:27:25,719 INFO L93 Difference]: Finished difference Result 384 states and 450 transitions. [2024-10-13 13:27:25,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 13:27:25,720 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 44 [2024-10-13 13:27:25,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:27:25,721 INFO L225 Difference]: With dead ends: 384 [2024-10-13 13:27:25,721 INFO L226 Difference]: Without dead ends: 383 [2024-10-13 13:27:25,721 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-13 13:27:25,722 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 462 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 244 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 467 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-13 13:27:25,722 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [467 Valid, 286 Invalid, 267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 244 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-13 13:27:25,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2024-10-13 13:27:25,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 305. [2024-10-13 13:27:25,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 220 states have (on average 1.75) internal successors, (385), 279 states have internal predecessors, (385), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-13 13:27:25,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 431 transitions. [2024-10-13 13:27:25,741 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 431 transitions. Word has length 44 [2024-10-13 13:27:25,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:27:25,742 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 431 transitions. [2024-10-13 13:27:25,742 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-13 13:27:25,742 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 431 transitions. [2024-10-13 13:27:25,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-10-13 13:27:25,742 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:27:25,742 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:27:25,754 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-13 13:27:25,946 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,SelfDestructingSolverStorable8 [2024-10-13 13:27:25,947 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-13 13:27:25,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:27:25,947 INFO L85 PathProgramCache]: Analyzing trace with hash 899390568, now seen corresponding path program 1 times [2024-10-13 13:27:25,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:27:25,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553237069] [2024-10-13 13:27:25,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:27:25,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:27:25,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:25,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 13:27:25,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:25,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 13:27:25,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:25,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 13:27:25,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:25,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-13 13:27:25,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:26,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-13 13:27:26,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:26,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 13:27:26,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:26,010 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-10-13 13:27:26,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:27:26,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553237069] [2024-10-13 13:27:26,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553237069] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:27:26,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1894436566] [2024-10-13 13:27:26,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:27:26,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:27:26,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:27:26,012 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) [2024-10-13 13:27:26,013 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-13 13:27:26,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:26,046 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 13:27:26,047 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:27:26,075 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-13 13:27:26,075 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:27:26,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1894436566] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:27:26,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:27:26,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-10-13 13:27:26,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90055791] [2024-10-13 13:27:26,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:27:26,076 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:27:26,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:27:26,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:27:26,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-13 13:27:26,077 INFO L87 Difference]: Start difference. First operand 305 states and 431 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-13 13:27:27,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:27:27,011 INFO L93 Difference]: Finished difference Result 354 states and 459 transitions. [2024-10-13 13:27:27,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:27:27,011 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 44 [2024-10-13 13:27:27,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:27:27,013 INFO L225 Difference]: With dead ends: 354 [2024-10-13 13:27:27,013 INFO L226 Difference]: Without dead ends: 350 [2024-10-13 13:27:27,013 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-13 13:27:27,014 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 147 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-13 13:27:27,014 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 225 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-13 13:27:27,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2024-10-13 13:27:27,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 306. [2024-10-13 13:27:27,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 221 states have (on average 1.7239819004524888) internal successors, (381), 280 states have internal predecessors, (381), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-13 13:27:27,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 427 transitions. [2024-10-13 13:27:27,022 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 427 transitions. Word has length 44 [2024-10-13 13:27:27,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:27:27,022 INFO L471 AbstractCegarLoop]: Abstraction has 306 states and 427 transitions. [2024-10-13 13:27:27,022 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-13 13:27:27,022 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 427 transitions. [2024-10-13 13:27:27,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-10-13 13:27:27,023 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:27:27,023 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:27:27,039 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-13 13:27:27,227 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,SelfDestructingSolverStorable9 [2024-10-13 13:27:27,227 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-13 13:27:27,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:27:27,228 INFO L85 PathProgramCache]: Analyzing trace with hash 2111304027, now seen corresponding path program 1 times [2024-10-13 13:27:27,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:27:27,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27229755] [2024-10-13 13:27:27,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:27:27,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:27:27,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:27,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 13:27:27,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:27,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 13:27:27,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:27,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 13:27:27,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:27,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-13 13:27:27,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:27,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-13 13:27:27,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:27,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 13:27:27,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:27,306 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-10-13 13:27:27,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:27:27,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27229755] [2024-10-13 13:27:27,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [27229755] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:27:27,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2030774678] [2024-10-13 13:27:27,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:27:27,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:27:27,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:27:27,309 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) [2024-10-13 13:27:27,311 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-13 13:27:27,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:27,344 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 13:27:27,345 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:27:27,498 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-13 13:27:27,498 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:27:27,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2030774678] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:27:27,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:27:27,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-10-13 13:27:27,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145681255] [2024-10-13 13:27:27,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:27:27,499 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:27:27,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:27:27,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:27:27,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-13 13:27:27,500 INFO L87 Difference]: Start difference. First operand 306 states and 427 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-13 13:27:28,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:27:28,803 INFO L93 Difference]: Finished difference Result 353 states and 453 transitions. [2024-10-13 13:27:28,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:27:28,803 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 45 [2024-10-13 13:27:28,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:27:28,804 INFO L225 Difference]: With dead ends: 353 [2024-10-13 13:27:28,805 INFO L226 Difference]: Without dead ends: 349 [2024-10-13 13:27:28,805 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-13 13:27:28,805 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 95 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-13 13:27:28,805 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 275 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-13 13:27:28,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2024-10-13 13:27:28,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 307. [2024-10-13 13:27:28,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 222 states have (on average 1.6981981981981982) internal successors, (377), 281 states have internal predecessors, (377), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-13 13:27:28,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 423 transitions. [2024-10-13 13:27:28,823 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 423 transitions. Word has length 45 [2024-10-13 13:27:28,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:27:28,824 INFO L471 AbstractCegarLoop]: Abstraction has 307 states and 423 transitions. [2024-10-13 13:27:28,824 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-13 13:27:28,825 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 423 transitions. [2024-10-13 13:27:28,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-10-13 13:27:28,830 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:27:28,830 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:27:28,842 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-10-13 13:27:29,030 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,SelfDestructingSolverStorable10 [2024-10-13 13:27:29,030 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-13 13:27:29,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:27:29,031 INFO L85 PathProgramCache]: Analyzing trace with hash -251836423, now seen corresponding path program 1 times [2024-10-13 13:27:29,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:27:29,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098343699] [2024-10-13 13:27:29,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:27:29,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:27:29,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:27:29,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1598867049] [2024-10-13 13:27:29,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:27:29,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:27:29,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:27:29,041 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) [2024-10-13 13:27:29,045 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-13 13:27:29,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:29,078 INFO L255 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-13 13:27:29,079 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:27:29,099 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-13 13:27:29,099 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:27:29,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:27:29,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098343699] [2024-10-13 13:27:29,099 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:27:29,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1598867049] [2024-10-13 13:27:29,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1598867049] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:27:29,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:27:29,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 13:27:29,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885547747] [2024-10-13 13:27:29,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:27:29,100 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 13:27:29,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:27:29,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 13:27:29,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:27:29,101 INFO L87 Difference]: Start difference. First operand 307 states and 423 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-13 13:27:29,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:27:29,272 INFO L93 Difference]: Finished difference Result 355 states and 447 transitions. [2024-10-13 13:27:29,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 13:27:29,272 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 50 [2024-10-13 13:27:29,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:27:29,273 INFO L225 Difference]: With dead ends: 355 [2024-10-13 13:27:29,273 INFO L226 Difference]: Without dead ends: 351 [2024-10-13 13:27:29,274 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:27:29,274 INFO L432 NwaCegarLoop]: 148 mSDtfsCounter, 84 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 13:27:29,274 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 285 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 13:27:29,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2024-10-13 13:27:29,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 312. [2024-10-13 13:27:29,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 226 states have (on average 1.676991150442478) internal successors, (379), 285 states have internal predecessors, (379), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-10-13 13:27:29,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 427 transitions. [2024-10-13 13:27:29,292 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 427 transitions. Word has length 50 [2024-10-13 13:27:29,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:27:29,292 INFO L471 AbstractCegarLoop]: Abstraction has 312 states and 427 transitions. [2024-10-13 13:27:29,292 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-13 13:27:29,293 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 427 transitions. [2024-10-13 13:27:29,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-10-13 13:27:29,293 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:27:29,293 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:27:29,305 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-10-13 13:27:29,498 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,SelfDestructingSolverStorable11 [2024-10-13 13:27:29,498 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-13 13:27:29,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:27:29,499 INFO L85 PathProgramCache]: Analyzing trace with hash -901112636, now seen corresponding path program 1 times [2024-10-13 13:27:29,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:27:29,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514823798] [2024-10-13 13:27:29,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:27:29,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:27:29,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:29,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 13:27:29,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:29,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 13:27:29,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:29,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 13:27:29,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:29,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-13 13:27:29,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:29,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-13 13:27:29,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:29,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 13:27:29,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:29,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 13:27:29,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:29,579 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-10-13 13:27:29,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:27:29,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514823798] [2024-10-13 13:27:29,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514823798] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:27:29,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [982672972] [2024-10-13 13:27:29,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:27:29,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:27:29,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:27:29,584 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) [2024-10-13 13:27:29,585 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-13 13:27:29,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:29,619 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 13:27:29,620 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:27:29,674 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-13 13:27:29,674 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:27:29,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [982672972] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:27:29,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:27:29,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-10-13 13:27:29,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33051066] [2024-10-13 13:27:29,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:27:29,675 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:27:29,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:27:29,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:27:29,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-13 13:27:29,676 INFO L87 Difference]: Start difference. First operand 312 states and 427 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-13 13:27:30,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:27:30,043 INFO L93 Difference]: Finished difference Result 333 states and 431 transitions. [2024-10-13 13:27:30,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:27:30,043 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 51 [2024-10-13 13:27:30,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:27:30,045 INFO L225 Difference]: With dead ends: 333 [2024-10-13 13:27:30,045 INFO L226 Difference]: Without dead ends: 331 [2024-10-13 13:27:30,045 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-13 13:27:30,045 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 231 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 240 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 13:27:30,046 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [240 Valid, 197 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 13:27:30,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2024-10-13 13:27:30,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 312. [2024-10-13 13:27:30,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 226 states have (on average 1.663716814159292) internal successors, (376), 285 states have internal predecessors, (376), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-10-13 13:27:30,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 424 transitions. [2024-10-13 13:27:30,054 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 424 transitions. Word has length 51 [2024-10-13 13:27:30,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:27:30,054 INFO L471 AbstractCegarLoop]: Abstraction has 312 states and 424 transitions. [2024-10-13 13:27:30,054 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-13 13:27:30,054 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 424 transitions. [2024-10-13 13:27:30,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-10-13 13:27:30,054 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:27:30,055 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:27:30,070 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-10-13 13:27:30,255 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,SelfDestructingSolverStorable12 [2024-10-13 13:27:30,255 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-13 13:27:30,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:27:30,256 INFO L85 PathProgramCache]: Analyzing trace with hash 2130279556, now seen corresponding path program 1 times [2024-10-13 13:27:30,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:27:30,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522154773] [2024-10-13 13:27:30,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:27:30,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:27:30,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:30,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 13:27:30,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:30,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 13:27:30,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:30,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 13:27:30,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:30,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-13 13:27:30,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:30,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-13 13:27:30,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:30,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 13:27:30,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:30,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 13:27:30,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:30,309 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-10-13 13:27:30,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:27:30,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522154773] [2024-10-13 13:27:30,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522154773] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:27:30,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1727024456] [2024-10-13 13:27:30,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:27:30,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:27:30,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:27:30,312 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) [2024-10-13 13:27:30,313 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-13 13:27:30,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:30,345 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 13:27:30,346 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:27:30,407 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-13 13:27:30,407 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:27:30,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1727024456] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:27:30,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:27:30,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-10-13 13:27:30,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251094035] [2024-10-13 13:27:30,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:27:30,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:27:30,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:27:30,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:27:30,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-13 13:27:30,409 INFO L87 Difference]: Start difference. First operand 312 states and 424 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-13 13:27:30,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:27:30,662 INFO L93 Difference]: Finished difference Result 333 states and 428 transitions. [2024-10-13 13:27:30,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:27:30,663 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 52 [2024-10-13 13:27:30,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:27:30,664 INFO L225 Difference]: With dead ends: 333 [2024-10-13 13:27:30,664 INFO L226 Difference]: Without dead ends: 331 [2024-10-13 13:27:30,665 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-13 13:27:30,665 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 229 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 13:27:30,665 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 197 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 13:27:30,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2024-10-13 13:27:30,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 312. [2024-10-13 13:27:30,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 226 states have (on average 1.6504424778761062) internal successors, (373), 285 states have internal predecessors, (373), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-10-13 13:27:30,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 421 transitions. [2024-10-13 13:27:30,673 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 421 transitions. Word has length 52 [2024-10-13 13:27:30,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:27:30,673 INFO L471 AbstractCegarLoop]: Abstraction has 312 states and 421 transitions. [2024-10-13 13:27:30,673 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-13 13:27:30,673 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 421 transitions. [2024-10-13 13:27:30,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-10-13 13:27:30,673 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:27:30,673 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:27:30,687 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-10-13 13:27:30,877 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,SelfDestructingSolverStorable13 [2024-10-13 13:27:30,878 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-13 13:27:30,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:27:30,878 INFO L85 PathProgramCache]: Analyzing trace with hash 551428221, now seen corresponding path program 1 times [2024-10-13 13:27:30,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:27:30,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876224078] [2024-10-13 13:27:30,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:27:30,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:27:30,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:27:30,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1119566543] [2024-10-13 13:27:30,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:27:30,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:27:30,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:27:30,895 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:27:30,896 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-13 13:27:30,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:30,933 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 13:27:30,934 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:27:30,974 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-13 13:27:30,974 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:27:30,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:27:30,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876224078] [2024-10-13 13:27:30,975 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:27:30,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1119566543] [2024-10-13 13:27:30,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1119566543] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:27:30,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:27:30,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:27:30,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622140030] [2024-10-13 13:27:30,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:27:30,975 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:27:30,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:27:30,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:27:30,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:27:30,976 INFO L87 Difference]: Start difference. First operand 312 states and 421 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-13 13:27:31,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:27:31,404 INFO L93 Difference]: Finished difference Result 349 states and 435 transitions. [2024-10-13 13:27:31,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:27:31,406 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 54 [2024-10-13 13:27:31,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:27:31,407 INFO L225 Difference]: With dead ends: 349 [2024-10-13 13:27:31,407 INFO L226 Difference]: Without dead ends: 347 [2024-10-13 13:27:31,408 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:27:31,408 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 137 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 13:27:31,408 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 287 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 13:27:31,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2024-10-13 13:27:31,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 313. [2024-10-13 13:27:31,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 227 states have (on average 1.6387665198237886) internal successors, (372), 286 states have internal predecessors, (372), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-10-13 13:27:31,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 420 transitions. [2024-10-13 13:27:31,425 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 420 transitions. Word has length 54 [2024-10-13 13:27:31,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:27:31,425 INFO L471 AbstractCegarLoop]: Abstraction has 313 states and 420 transitions. [2024-10-13 13:27:31,425 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-13 13:27:31,426 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 420 transitions. [2024-10-13 13:27:31,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-10-13 13:27:31,426 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:27:31,426 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:27:31,438 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-10-13 13:27:31,626 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:27:31,626 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-13 13:27:31,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:27:31,627 INFO L85 PathProgramCache]: Analyzing trace with hash -85594241, now seen corresponding path program 1 times [2024-10-13 13:27:31,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:27:31,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922540875] [2024-10-13 13:27:31,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:27:31,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:27:31,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:27:31,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [578616510] [2024-10-13 13:27:31,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:27:31,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:27:31,636 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:27:31,640 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:27:31,644 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-10-13 13:27:31,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:31,686 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 13:27:31,688 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:27:31,827 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-13 13:27:31,829 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:27:31,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:27:31,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922540875] [2024-10-13 13:27:31,830 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:27:31,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [578616510] [2024-10-13 13:27:31,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [578616510] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:27:31,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:27:31,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:27:31,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61274194] [2024-10-13 13:27:31,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:27:31,830 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:27:31,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:27:31,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:27:31,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:27:31,831 INFO L87 Difference]: Start difference. First operand 313 states and 420 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-13 13:27:32,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:27:32,173 INFO L93 Difference]: Finished difference Result 349 states and 432 transitions. [2024-10-13 13:27:32,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:27:32,176 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 55 [2024-10-13 13:27:32,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:27:32,177 INFO L225 Difference]: With dead ends: 349 [2024-10-13 13:27:32,177 INFO L226 Difference]: Without dead ends: 334 [2024-10-13 13:27:32,178 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:27:32,178 INFO L432 NwaCegarLoop]: 136 mSDtfsCounter, 135 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 13:27:32,178 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 291 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 13:27:32,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2024-10-13 13:27:32,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 301. [2024-10-13 13:27:32,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 216 states have (on average 1.6574074074074074) internal successors, (358), 275 states have internal predecessors, (358), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-13 13:27:32,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 404 transitions. [2024-10-13 13:27:32,198 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 404 transitions. Word has length 55 [2024-10-13 13:27:32,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:27:32,198 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 404 transitions. [2024-10-13 13:27:32,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-13 13:27:32,198 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 404 transitions. [2024-10-13 13:27:32,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-10-13 13:27:32,200 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:27:32,200 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:27:32,230 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-10-13 13:27:32,400 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-10-13 13:27:32,401 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-13 13:27:32,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:27:32,401 INFO L85 PathProgramCache]: Analyzing trace with hash -793094161, now seen corresponding path program 1 times [2024-10-13 13:27:32,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:27:32,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566106441] [2024-10-13 13:27:32,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:27:32,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:27:32,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:27:32,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [950928199] [2024-10-13 13:27:32,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:27:32,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:27:32,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:27:32,421 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:27:32,422 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-10-13 13:27:32,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:32,463 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 13:27:32,464 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:27:32,527 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-13 13:27:32,527 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:27:32,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:27:32,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566106441] [2024-10-13 13:27:32,528 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:27:32,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [950928199] [2024-10-13 13:27:32,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [950928199] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:27:32,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:27:32,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:27:32,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206199450] [2024-10-13 13:27:32,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:27:32,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:27:32,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:27:32,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:27:32,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:27:32,529 INFO L87 Difference]: Start difference. First operand 301 states and 404 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-13 13:27:32,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:27:32,837 INFO L93 Difference]: Finished difference Result 325 states and 425 transitions. [2024-10-13 13:27:32,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:27:32,837 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 63 [2024-10-13 13:27:32,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:27:32,838 INFO L225 Difference]: With dead ends: 325 [2024-10-13 13:27:32,838 INFO L226 Difference]: Without dead ends: 324 [2024-10-13 13:27:32,838 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:27:32,839 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 207 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 13:27:32,839 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 155 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 13:27:32,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2024-10-13 13:27:32,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 301. [2024-10-13 13:27:32,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 216 states have (on average 1.6527777777777777) internal successors, (357), 275 states have internal predecessors, (357), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-13 13:27:32,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 403 transitions. [2024-10-13 13:27:32,847 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 403 transitions. Word has length 63 [2024-10-13 13:27:32,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:27:32,847 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 403 transitions. [2024-10-13 13:27:32,847 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-13 13:27:32,847 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 403 transitions. [2024-10-13 13:27:32,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-10-13 13:27:32,847 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:27:32,848 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:27:32,860 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-10-13 13:27:33,048 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-10-13 13:27:33,048 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-13 13:27:33,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:27:33,049 INFO L85 PathProgramCache]: Analyzing trace with hash 1183884886, now seen corresponding path program 1 times [2024-10-13 13:27:33,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:27:33,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104537366] [2024-10-13 13:27:33,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:27:33,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:27:33,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:27:33,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1045651924] [2024-10-13 13:27:33,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:27:33,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:27:33,060 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:27:33,061 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:27:33,063 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-10-13 13:27:33,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:33,099 INFO L255 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 13:27:33,100 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:27:33,160 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-13 13:27:33,160 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:27:33,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:27:33,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104537366] [2024-10-13 13:27:33,161 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:27:33,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1045651924] [2024-10-13 13:27:33,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1045651924] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:27:33,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:27:33,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:27:33,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435813960] [2024-10-13 13:27:33,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:27:33,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:27:33,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:27:33,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:27:33,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:27:33,162 INFO L87 Difference]: Start difference. First operand 301 states and 403 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-13 13:27:33,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:27:33,449 INFO L93 Difference]: Finished difference Result 325 states and 424 transitions. [2024-10-13 13:27:33,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:27:33,449 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 64 [2024-10-13 13:27:33,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:27:33,451 INFO L225 Difference]: With dead ends: 325 [2024-10-13 13:27:33,451 INFO L226 Difference]: Without dead ends: 324 [2024-10-13 13:27:33,451 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:27:33,452 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 158 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 13:27:33,452 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 173 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 13:27:33,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2024-10-13 13:27:33,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 301. [2024-10-13 13:27:33,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 216 states have (on average 1.6481481481481481) internal successors, (356), 275 states have internal predecessors, (356), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-13 13:27:33,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 402 transitions. [2024-10-13 13:27:33,460 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 402 transitions. Word has length 64 [2024-10-13 13:27:33,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:27:33,460 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 402 transitions. [2024-10-13 13:27:33,460 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-13 13:27:33,460 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 402 transitions. [2024-10-13 13:27:33,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-10-13 13:27:33,460 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:27:33,461 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:27:33,473 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-10-13 13:27:33,661 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-10-13 13:27:33,662 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-13 13:27:33,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:27:33,662 INFO L85 PathProgramCache]: Analyzing trace with hash -1511060975, now seen corresponding path program 1 times [2024-10-13 13:27:33,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:27:33,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872799381] [2024-10-13 13:27:33,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:27:33,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:27:33,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:27:33,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1075871868] [2024-10-13 13:27:33,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:27:33,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:27:33,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:27:33,676 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:27:33,677 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-10-13 13:27:33,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:33,719 INFO L255 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 13:27:33,721 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:27:33,833 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-10-13 13:27:33,833 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:27:33,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:27:33,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872799381] [2024-10-13 13:27:33,833 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:27:33,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1075871868] [2024-10-13 13:27:33,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1075871868] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:27:33,833 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:27:33,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:27:33,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612184742] [2024-10-13 13:27:33,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:27:33,834 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:27:33,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:27:33,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:27:33,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:27:33,834 INFO L87 Difference]: Start difference. First operand 301 states and 402 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-13 13:27:34,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:27:34,123 INFO L93 Difference]: Finished difference Result 327 states and 423 transitions. [2024-10-13 13:27:34,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:27:34,124 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 74 [2024-10-13 13:27:34,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:27:34,125 INFO L225 Difference]: With dead ends: 327 [2024-10-13 13:27:34,125 INFO L226 Difference]: Without dead ends: 326 [2024-10-13 13:27:34,125 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:27:34,125 INFO L432 NwaCegarLoop]: 122 mSDtfsCounter, 88 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 13:27:34,126 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 225 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 13:27:34,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2024-10-13 13:27:34,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 301. [2024-10-13 13:27:34,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 216 states have (on average 1.6388888888888888) internal successors, (354), 275 states have internal predecessors, (354), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-13 13:27:34,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 400 transitions. [2024-10-13 13:27:34,134 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 400 transitions. Word has length 74 [2024-10-13 13:27:34,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:27:34,135 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 400 transitions. [2024-10-13 13:27:34,135 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-13 13:27:34,135 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 400 transitions. [2024-10-13 13:27:34,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-10-13 13:27:34,135 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:27:34,135 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:27:34,147 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-10-13 13:27:34,336 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:27:34,336 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-13 13:27:34,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:27:34,337 INFO L85 PathProgramCache]: Analyzing trace with hash 401750145, now seen corresponding path program 1 times [2024-10-13 13:27:34,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:27:34,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88625097] [2024-10-13 13:27:34,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:27:34,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:27:34,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:27:34,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1120447705] [2024-10-13 13:27:34,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:27:34,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:27:34,346 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:27:34,347 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:27:34,348 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-10-13 13:27:34,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:34,388 INFO L255 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 13:27:34,389 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:27:35,424 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-10-13 13:27:35,424 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:27:35,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:27:35,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88625097] [2024-10-13 13:27:35,424 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:27:35,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1120447705] [2024-10-13 13:27:35,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1120447705] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:27:35,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:27:35,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:27:35,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65787798] [2024-10-13 13:27:35,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:27:35,425 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:27:35,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:27:35,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:27:35,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=5, Unknown=1, NotChecked=0, Total=12 [2024-10-13 13:27:35,426 INFO L87 Difference]: Start difference. First operand 301 states and 400 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-13 13:27:41,386 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-10-13 13:27:41,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:27:41,652 INFO L93 Difference]: Finished difference Result 327 states and 421 transitions. [2024-10-13 13:27:41,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:27:41,652 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 75 [2024-10-13 13:27:41,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:27:41,653 INFO L225 Difference]: With dead ends: 327 [2024-10-13 13:27:41,653 INFO L226 Difference]: Without dead ends: 326 [2024-10-13 13:27:41,653 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=6, Invalid=5, Unknown=1, NotChecked=0, Total=12 [2024-10-13 13:27:41,654 INFO L432 NwaCegarLoop]: 123 mSDtfsCounter, 86 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2024-10-13 13:27:41,654 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 223 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 93 Invalid, 3 Unknown, 0 Unchecked, 6.2s Time] [2024-10-13 13:27:41,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2024-10-13 13:27:41,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 301. [2024-10-13 13:27:41,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 216 states have (on average 1.6296296296296295) internal successors, (352), 275 states have internal predecessors, (352), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-13 13:27:41,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 398 transitions. [2024-10-13 13:27:41,663 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 398 transitions. Word has length 75 [2024-10-13 13:27:41,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:27:41,664 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 398 transitions. [2024-10-13 13:27:41,664 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-13 13:27:41,664 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 398 transitions. [2024-10-13 13:27:41,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-10-13 13:27:41,664 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:27:41,664 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:27:41,686 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-10-13 13:27:41,868 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:27:41,869 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-13 13:27:41,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:27:41,869 INFO L85 PathProgramCache]: Analyzing trace with hash -430647277, now seen corresponding path program 1 times [2024-10-13 13:27:41,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:27:41,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32303273] [2024-10-13 13:27:41,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:27:41,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:27:41,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:27:41,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [785567740] [2024-10-13 13:27:41,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:27:41,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:27:41,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:27:41,880 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:27:41,881 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-10-13 13:27:41,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:41,919 INFO L255 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 13:27:41,920 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:27:41,956 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-10-13 13:27:41,956 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:27:41,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:27:41,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32303273] [2024-10-13 13:27:41,956 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:27:41,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [785567740] [2024-10-13 13:27:41,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [785567740] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:27:41,957 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:27:41,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:27:41,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751633894] [2024-10-13 13:27:41,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:27:41,957 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:27:41,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:27:41,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:27:41,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:27:41,958 INFO L87 Difference]: Start difference. First operand 301 states and 398 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-13 13:27:42,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:27:42,606 INFO L93 Difference]: Finished difference Result 320 states and 409 transitions. [2024-10-13 13:27:42,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:27:42,606 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 76 [2024-10-13 13:27:42,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:27:42,607 INFO L225 Difference]: With dead ends: 320 [2024-10-13 13:27:42,607 INFO L226 Difference]: Without dead ends: 318 [2024-10-13 13:27:42,607 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:27:42,608 INFO L432 NwaCegarLoop]: 141 mSDtfsCounter, 55 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-13 13:27:42,608 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 323 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-13 13:27:42,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2024-10-13 13:27:42,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 301. [2024-10-13 13:27:42,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 216 states have (on average 1.6111111111111112) internal successors, (348), 275 states have internal predecessors, (348), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-13 13:27:42,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 394 transitions. [2024-10-13 13:27:42,616 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 394 transitions. Word has length 76 [2024-10-13 13:27:42,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:27:42,617 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 394 transitions. [2024-10-13 13:27:42,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-13 13:27:42,617 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 394 transitions. [2024-10-13 13:27:42,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-10-13 13:27:42,617 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:27:42,617 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:27:42,630 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-10-13 13:27:42,821 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-10-13 13:27:42,822 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-13 13:27:42,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:27:42,822 INFO L85 PathProgramCache]: Analyzing trace with hash -465163581, now seen corresponding path program 1 times [2024-10-13 13:27:42,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:27:42,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056543419] [2024-10-13 13:27:42,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:27:42,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:27:42,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:27:42,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1288742074] [2024-10-13 13:27:42,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:27:42,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:27:42,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:27:42,833 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:27:42,834 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-10-13 13:27:42,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:42,872 INFO L255 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 13:27:42,873 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:27:42,948 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-10-13 13:27:42,948 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:27:42,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:27:42,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056543419] [2024-10-13 13:27:42,948 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:27:42,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1288742074] [2024-10-13 13:27:42,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1288742074] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:27:42,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:27:42,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:27:42,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587399945] [2024-10-13 13:27:42,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:27:42,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:27:42,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:27:42,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:27:42,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:27:42,950 INFO L87 Difference]: Start difference. First operand 301 states and 394 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-13 13:27:43,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:27:43,450 INFO L93 Difference]: Finished difference Result 320 states and 405 transitions. [2024-10-13 13:27:43,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:27:43,450 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 77 [2024-10-13 13:27:43,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:27:43,451 INFO L225 Difference]: With dead ends: 320 [2024-10-13 13:27:43,451 INFO L226 Difference]: Without dead ends: 318 [2024-10-13 13:27:43,452 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:27:43,452 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 90 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-13 13:27:43,452 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 263 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-13 13:27:43,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2024-10-13 13:27:43,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 301. [2024-10-13 13:27:43,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 216 states have (on average 1.5925925925925926) internal successors, (344), 275 states have internal predecessors, (344), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-13 13:27:43,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 390 transitions. [2024-10-13 13:27:43,461 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 390 transitions. Word has length 77 [2024-10-13 13:27:43,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:27:43,461 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 390 transitions. [2024-10-13 13:27:43,461 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-13 13:27:43,462 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 390 transitions. [2024-10-13 13:27:43,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-10-13 13:27:43,462 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:27:43,462 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:27:43,474 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-10-13 13:27:43,663 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-10-13 13:27:43,663 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-13 13:27:43,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:27:43,664 INFO L85 PathProgramCache]: Analyzing trace with hash -694586855, now seen corresponding path program 1 times [2024-10-13 13:27:43,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:27:43,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998544868] [2024-10-13 13:27:43,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:27:43,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:27:43,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:27:43,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [77315376] [2024-10-13 13:27:43,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:27:43,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:27:43,673 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:27:43,675 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:27:43,676 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-10-13 13:27:43,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:43,714 INFO L255 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-13 13:27:43,715 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:27:43,833 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 9 proven. 15 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-10-13 13:27:43,834 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:27:43,990 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-10-13 13:27:43,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:27:43,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998544868] [2024-10-13 13:27:43,991 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:27:43,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [77315376] [2024-10-13 13:27:43,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [77315376] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:27:43,991 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-13 13:27:43,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2024-10-13 13:27:43,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685868175] [2024-10-13 13:27:43,992 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-13 13:27:43,992 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-13 13:27:43,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:27:43,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-13 13:27:43,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-10-13 13:27:43,992 INFO L87 Difference]: Start difference. First operand 301 states and 390 transitions. Second operand has 10 states, 8 states have (on average 10.375) internal successors, (83), 7 states have internal predecessors, (83), 4 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (17), 6 states have call predecessors, (17), 4 states have call successors, (17) [2024-10-13 13:27:44,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:27:44,399 INFO L93 Difference]: Finished difference Result 319 states and 391 transitions. [2024-10-13 13:27:44,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-13 13:27:44,399 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 10.375) internal successors, (83), 7 states have internal predecessors, (83), 4 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (17), 6 states have call predecessors, (17), 4 states have call successors, (17) Word has length 82 [2024-10-13 13:27:44,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:27:44,400 INFO L225 Difference]: With dead ends: 319 [2024-10-13 13:27:44,400 INFO L226 Difference]: Without dead ends: 318 [2024-10-13 13:27:44,400 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 153 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-10-13 13:27:44,401 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 263 mSDsluCounter, 467 mSDsCounter, 0 mSdLazyCounter, 624 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 268 SdHoareTripleChecker+Valid, 562 SdHoareTripleChecker+Invalid, 632 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 624 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 13:27:44,401 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [268 Valid, 562 Invalid, 632 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 624 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 13:27:44,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2024-10-13 13:27:44,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 301. [2024-10-13 13:27:44,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 216 states have (on average 1.5787037037037037) internal successors, (341), 275 states have internal predecessors, (341), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-13 13:27:44,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 387 transitions. [2024-10-13 13:27:44,409 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 387 transitions. Word has length 82 [2024-10-13 13:27:44,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:27:44,410 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 387 transitions. [2024-10-13 13:27:44,410 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 10.375) internal successors, (83), 7 states have internal predecessors, (83), 4 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (17), 6 states have call predecessors, (17), 4 states have call successors, (17) [2024-10-13 13:27:44,410 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 387 transitions. [2024-10-13 13:27:44,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-10-13 13:27:44,410 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:27:44,411 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:27:44,422 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-10-13 13:27:44,614 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:27:44,615 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-13 13:27:44,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:27:44,615 INFO L85 PathProgramCache]: Analyzing trace with hash -57355895, now seen corresponding path program 1 times [2024-10-13 13:27:44,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:27:44,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809669086] [2024-10-13 13:27:44,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:27:44,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:27:44,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:27:44,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [655646502] [2024-10-13 13:27:44,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:27:44,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:27:44,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:27:44,627 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:27:44,628 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-10-13 13:27:44,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:44,668 INFO L255 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-13 13:27:44,669 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:27:44,778 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 9 proven. 15 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-10-13 13:27:44,778 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:27:45,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:27:45,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809669086] [2024-10-13 13:27:45,421 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:27:45,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [655646502] [2024-10-13 13:27:45,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [655646502] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:27:45,421 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:27:45,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-10-13 13:27:45,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697117928] [2024-10-13 13:27:45,421 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:27:45,422 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 13:27:45,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:27:45,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 13:27:45,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-10-13 13:27:45,422 INFO L87 Difference]: Start difference. First operand 301 states and 387 transitions. Second operand has 7 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2024-10-13 13:27:45,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:27:45,642 INFO L93 Difference]: Finished difference Result 305 states and 388 transitions. [2024-10-13 13:27:45,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 13:27:45,647 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) Word has length 83 [2024-10-13 13:27:45,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:27:45,648 INFO L225 Difference]: With dead ends: 305 [2024-10-13 13:27:45,648 INFO L226 Difference]: Without dead ends: 304 [2024-10-13 13:27:45,648 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-10-13 13:27:45,648 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 141 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 362 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 13:27:45,649 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 318 Invalid, 363 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 362 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 13:27:45,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2024-10-13 13:27:45,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 301. [2024-10-13 13:27:45,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 216 states have (on average 1.5694444444444444) internal successors, (339), 275 states have internal predecessors, (339), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-13 13:27:45,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 385 transitions. [2024-10-13 13:27:45,657 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 385 transitions. Word has length 83 [2024-10-13 13:27:45,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:27:45,658 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 385 transitions. [2024-10-13 13:27:45,658 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2024-10-13 13:27:45,658 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 385 transitions. [2024-10-13 13:27:45,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-10-13 13:27:45,658 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:27:45,659 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:27:45,670 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-10-13 13:27:45,859 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:27:45,859 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-13 13:27:45,860 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:27:45,860 INFO L85 PathProgramCache]: Analyzing trace with hash -1778032613, now seen corresponding path program 1 times [2024-10-13 13:27:45,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:27:45,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273435497] [2024-10-13 13:27:45,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:27:45,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:27:45,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:27:45,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1695437320] [2024-10-13 13:27:45,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:27:45,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:27:45,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:27:45,870 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:27:45,871 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-10-13 13:27:45,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:45,912 INFO L255 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-13 13:27:45,913 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:27:46,140 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 9 proven. 15 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-10-13 13:27:46,140 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:27:46,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:27:46,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273435497] [2024-10-13 13:27:46,834 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:27:46,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1695437320] [2024-10-13 13:27:46,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1695437320] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:27:46,834 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:27:46,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-10-13 13:27:46,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027003610] [2024-10-13 13:27:46,835 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:27:46,835 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 13:27:46,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:27:46,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 13:27:46,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-10-13 13:27:46,836 INFO L87 Difference]: Start difference. First operand 301 states and 385 transitions. Second operand has 9 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2024-10-13 13:27:47,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:27:47,316 INFO L93 Difference]: Finished difference Result 319 states and 396 transitions. [2024-10-13 13:27:47,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 13:27:47,317 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) Word has length 84 [2024-10-13 13:27:47,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:27:47,319 INFO L225 Difference]: With dead ends: 319 [2024-10-13 13:27:47,319 INFO L226 Difference]: Without dead ends: 316 [2024-10-13 13:27:47,319 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-10-13 13:27:47,319 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 322 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 580 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 331 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-13 13:27:47,320 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [331 Valid, 279 Invalid, 589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 580 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-13 13:27:47,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2024-10-13 13:27:47,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 301. [2024-10-13 13:27:47,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 216 states have (on average 1.5416666666666667) internal successors, (333), 275 states have internal predecessors, (333), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-13 13:27:47,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 379 transitions. [2024-10-13 13:27:47,328 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 379 transitions. Word has length 84 [2024-10-13 13:27:47,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:27:47,328 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 379 transitions. [2024-10-13 13:27:47,329 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2024-10-13 13:27:47,329 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 379 transitions. [2024-10-13 13:27:47,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-10-13 13:27:47,329 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:27:47,329 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:27:47,341 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-10-13 13:27:47,530 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-10-13 13:27:47,530 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-13 13:27:47,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:27:47,530 INFO L85 PathProgramCache]: Analyzing trace with hash 715563979, now seen corresponding path program 1 times [2024-10-13 13:27:47,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:27:47,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130124027] [2024-10-13 13:27:47,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:27:47,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:27:47,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:27:47,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [419165136] [2024-10-13 13:27:47,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:27:47,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:27:47,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:27:47,543 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:27:47,544 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-10-13 13:27:47,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:47,585 INFO L255 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-10-13 13:27:47,586 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:27:47,939 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 9 proven. 15 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-10-13 13:27:47,940 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:27:48,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:27:48,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130124027] [2024-10-13 13:27:48,137 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:27:48,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [419165136] [2024-10-13 13:27:48,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [419165136] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:27:48,138 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:27:48,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-10-13 13:27:48,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60676716] [2024-10-13 13:27:48,138 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:27:48,138 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-13 13:27:48,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:27:48,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-13 13:27:48,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-10-13 13:27:48,140 INFO L87 Difference]: Start difference. First operand 301 states and 379 transitions. Second operand has 8 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2024-10-13 13:27:48,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:27:48,580 INFO L93 Difference]: Finished difference Result 309 states and 382 transitions. [2024-10-13 13:27:48,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 13:27:48,581 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) Word has length 85 [2024-10-13 13:27:48,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:27:48,582 INFO L225 Difference]: With dead ends: 309 [2024-10-13 13:27:48,582 INFO L226 Difference]: Without dead ends: 306 [2024-10-13 13:27:48,582 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-10-13 13:27:48,582 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 245 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 454 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 463 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 454 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 13:27:48,582 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 238 Invalid, 463 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 454 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 13:27:48,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2024-10-13 13:27:48,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 301. [2024-10-13 13:27:48,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 216 states have (on average 1.5138888888888888) internal successors, (327), 275 states have internal predecessors, (327), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-13 13:27:48,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 373 transitions. [2024-10-13 13:27:48,591 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 373 transitions. Word has length 85 [2024-10-13 13:27:48,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:27:48,591 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 373 transitions. [2024-10-13 13:27:48,591 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2024-10-13 13:27:48,592 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 373 transitions. [2024-10-13 13:27:48,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-10-13 13:27:48,592 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:27:48,592 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:27:48,604 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-10-13 13:27:48,792 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-10-13 13:27:48,793 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-13 13:27:48,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:27:48,793 INFO L85 PathProgramCache]: Analyzing trace with hash 772495050, now seen corresponding path program 1 times [2024-10-13 13:27:48,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:27:48,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343551306] [2024-10-13 13:27:48,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:27:48,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:27:48,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:48,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 13:27:48,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:48,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 13:27:48,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:48,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 13:27:48,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:48,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-13 13:27:48,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:48,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-13 13:27:48,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:48,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 13:27:48,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:48,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 13:27:48,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:48,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-13 13:27:48,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:48,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-13 13:27:48,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:48,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 13:27:48,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:48,857 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-13 13:27:48,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:27:48,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343551306] [2024-10-13 13:27:48,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343551306] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:27:48,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:27:48,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 13:27:48,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360896083] [2024-10-13 13:27:48,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:27:48,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 13:27:48,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:27:48,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 13:27:48,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:27:48,858 INFO L87 Difference]: Start difference. First operand 301 states and 373 transitions. Second operand has 3 states, 2 states have (on average 27.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-10-13 13:27:48,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:27:48,985 INFO L93 Difference]: Finished difference Result 301 states and 373 transitions. [2024-10-13 13:27:48,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 13:27:48,985 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 27.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 98 [2024-10-13 13:27:48,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:27:48,986 INFO L225 Difference]: With dead ends: 301 [2024-10-13 13:27:48,987 INFO L226 Difference]: Without dead ends: 300 [2024-10-13 13:27:48,987 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:27:48,987 INFO L432 NwaCegarLoop]: 156 mSDtfsCounter, 1 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:27:48,988 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 282 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:27:48,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2024-10-13 13:27:48,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 300. [2024-10-13 13:27:48,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 216 states have (on average 1.4953703703703705) internal successors, (323), 274 states have internal predecessors, (323), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-13 13:27:48,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 369 transitions. [2024-10-13 13:27:48,998 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 369 transitions. Word has length 98 [2024-10-13 13:27:48,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:27:48,998 INFO L471 AbstractCegarLoop]: Abstraction has 300 states and 369 transitions. [2024-10-13 13:27:48,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 27.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-10-13 13:27:48,998 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 369 transitions. [2024-10-13 13:27:48,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-10-13 13:27:48,999 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:27:48,999 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:27:48,999 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-10-13 13:27:48,999 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-13 13:27:48,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:27:49,000 INFO L85 PathProgramCache]: Analyzing trace with hash -1822457070, now seen corresponding path program 1 times [2024-10-13 13:27:49,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:27:49,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572243376] [2024-10-13 13:27:49,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:27:49,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:27:49,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:49,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 13:27:49,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:49,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 13:27:49,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:49,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 13:27:49,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:49,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-13 13:27:49,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:49,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-13 13:27:49,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:49,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 13:27:49,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:49,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 13:27:49,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:49,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-13 13:27:49,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:49,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-13 13:27:49,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:49,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 13:27:49,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:49,112 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-13 13:27:49,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:27:49,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572243376] [2024-10-13 13:27:49,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572243376] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:27:49,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:27:49,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 13:27:49,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232073781] [2024-10-13 13:27:49,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:27:49,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 13:27:49,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:27:49,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 13:27:49,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-13 13:27:49,114 INFO L87 Difference]: Start difference. First operand 300 states and 369 transitions. Second operand has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-13 13:27:49,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:27:49,915 INFO L93 Difference]: Finished difference Result 304 states and 370 transitions. [2024-10-13 13:27:49,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 13:27:49,916 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 99 [2024-10-13 13:27:49,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:27:49,917 INFO L225 Difference]: With dead ends: 304 [2024-10-13 13:27:49,917 INFO L226 Difference]: Without dead ends: 303 [2024-10-13 13:27:49,917 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-10-13 13:27:49,918 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 461 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 362 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 461 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-13 13:27:49,918 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [461 Valid, 217 Invalid, 403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 362 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-13 13:27:49,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2024-10-13 13:27:49,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 300. [2024-10-13 13:27:49,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 216 states have (on average 1.4907407407407407) internal successors, (322), 274 states have internal predecessors, (322), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-13 13:27:49,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 368 transitions. [2024-10-13 13:27:49,927 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 368 transitions. Word has length 99 [2024-10-13 13:27:49,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:27:49,927 INFO L471 AbstractCegarLoop]: Abstraction has 300 states and 368 transitions. [2024-10-13 13:27:49,927 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-13 13:27:49,928 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 368 transitions. [2024-10-13 13:27:49,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-10-13 13:27:49,928 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:27:49,928 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:27:49,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-10-13 13:27:49,928 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-13 13:27:49,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:27:49,929 INFO L85 PathProgramCache]: Analyzing trace with hash 963878354, now seen corresponding path program 1 times [2024-10-13 13:27:49,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:27:49,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659894091] [2024-10-13 13:27:49,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:27:49,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:27:49,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:50,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 13:27:50,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:50,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 13:27:50,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:50,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 13:27:50,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:50,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-13 13:27:50,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:50,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-13 13:27:50,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:50,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 13:27:50,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:50,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 13:27:50,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:50,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-13 13:27:50,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:50,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-13 13:27:50,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:50,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 13:27:50,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:50,028 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-13 13:27:50,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:27:50,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659894091] [2024-10-13 13:27:50,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659894091] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:27:50,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:27:50,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 13:27:50,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122116793] [2024-10-13 13:27:50,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:27:50,030 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 13:27:50,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:27:50,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 13:27:50,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-13 13:27:50,031 INFO L87 Difference]: Start difference. First operand 300 states and 368 transitions. Second operand has 5 states, 4 states have (on average 14.25) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-13 13:27:50,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:27:50,870 INFO L93 Difference]: Finished difference Result 315 states and 379 transitions. [2024-10-13 13:27:50,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 13:27:50,871 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.25) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 101 [2024-10-13 13:27:50,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:27:50,872 INFO L225 Difference]: With dead ends: 315 [2024-10-13 13:27:50,872 INFO L226 Difference]: Without dead ends: 314 [2024-10-13 13:27:50,873 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-13 13:27:50,873 INFO L432 NwaCegarLoop]: 151 mSDtfsCounter, 13 mSDsluCounter, 359 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 510 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-13 13:27:50,873 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 510 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-13 13:27:50,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2024-10-13 13:27:50,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 305. [2024-10-13 13:27:50,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 221 states have (on average 1.4796380090497738) internal successors, (327), 279 states have internal predecessors, (327), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-13 13:27:50,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 373 transitions. [2024-10-13 13:27:50,882 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 373 transitions. Word has length 101 [2024-10-13 13:27:50,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:27:50,882 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 373 transitions. [2024-10-13 13:27:50,882 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.25) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-13 13:27:50,882 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 373 transitions. [2024-10-13 13:27:50,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-10-13 13:27:50,883 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:27:50,883 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:27:50,883 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-10-13 13:27:50,883 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-13 13:27:50,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:27:50,883 INFO L85 PathProgramCache]: Analyzing trace with hash -184541926, now seen corresponding path program 1 times [2024-10-13 13:27:50,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:27:50,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849581153] [2024-10-13 13:27:50,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:27:50,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:27:50,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:51,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 13:27:51,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:51,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 13:27:51,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:51,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 13:27:51,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:51,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-13 13:27:51,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:51,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-13 13:27:51,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:51,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 13:27:51,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:51,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 13:27:51,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:51,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-13 13:27:51,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:51,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-13 13:27:51,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:51,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 13:27:51,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:51,046 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-13 13:27:51,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:27:51,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849581153] [2024-10-13 13:27:51,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849581153] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:27:51,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [632409608] [2024-10-13 13:27:51,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:27:51,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:27:51,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:27:51,048 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:27:51,049 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-10-13 13:27:51,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:51,094 INFO L255 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 13:27:51,095 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:27:51,220 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-13 13:27:51,220 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:27:51,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [632409608] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:27:51,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:27:51,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 10 [2024-10-13 13:27:51,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662327902] [2024-10-13 13:27:51,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:27:51,221 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:27:51,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:27:51,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:27:51,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-13 13:27:51,222 INFO L87 Difference]: Start difference. First operand 305 states and 373 transitions. Second operand has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-13 13:27:51,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:27:51,605 INFO L93 Difference]: Finished difference Result 315 states and 377 transitions. [2024-10-13 13:27:51,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:27:51,606 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 102 [2024-10-13 13:27:51,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:27:51,608 INFO L225 Difference]: With dead ends: 315 [2024-10-13 13:27:51,608 INFO L226 Difference]: Without dead ends: 314 [2024-10-13 13:27:51,609 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-10-13 13:27:51,621 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 15 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 13:27:51,621 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 307 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 13:27:51,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2024-10-13 13:27:51,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 307. [2024-10-13 13:27:51,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 223 states have (on average 1.4753363228699552) internal successors, (329), 281 states have internal predecessors, (329), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-13 13:27:51,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 375 transitions. [2024-10-13 13:27:51,632 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 375 transitions. Word has length 102 [2024-10-13 13:27:51,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:27:51,632 INFO L471 AbstractCegarLoop]: Abstraction has 307 states and 375 transitions. [2024-10-13 13:27:51,632 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-13 13:27:51,632 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 375 transitions. [2024-10-13 13:27:51,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-10-13 13:27:51,634 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:27:51,634 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:27:51,646 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-10-13 13:27:51,838 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:27:51,839 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-13 13:27:51,839 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:27:51,839 INFO L85 PathProgramCache]: Analyzing trace with hash 53337654, now seen corresponding path program 1 times [2024-10-13 13:27:51,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:27:51,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466274583] [2024-10-13 13:27:51,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:27:51,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:27:51,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:27:51,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1282227806] [2024-10-13 13:27:51,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:27:51,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:27:51,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:27:51,862 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:27:51,867 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-10-13 13:27:51,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:51,922 INFO L255 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-13 13:27:51,924 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:27:52,056 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-10-13 13:27:52,056 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:27:52,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:27:52,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466274583] [2024-10-13 13:27:52,102 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:27:52,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1282227806] [2024-10-13 13:27:52,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1282227806] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:27:52,102 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:27:52,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-10-13 13:27:52,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987669961] [2024-10-13 13:27:52,102 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:27:52,103 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-13 13:27:52,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:27:52,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-13 13:27:52,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-10-13 13:27:52,103 INFO L87 Difference]: Start difference. First operand 307 states and 375 transitions. Second operand has 8 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 3 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-13 13:27:52,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:27:52,429 INFO L93 Difference]: Finished difference Result 310 states and 375 transitions. [2024-10-13 13:27:52,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-13 13:27:52,429 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 3 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 3 states have call successors, (10) Word has length 103 [2024-10-13 13:27:52,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:27:52,430 INFO L225 Difference]: With dead ends: 310 [2024-10-13 13:27:52,430 INFO L226 Difference]: Without dead ends: 308 [2024-10-13 13:27:52,431 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2024-10-13 13:27:52,431 INFO L432 NwaCegarLoop]: 102 mSDtfsCounter, 198 mSDsluCounter, 372 mSDsCounter, 0 mSdLazyCounter, 581 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 581 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 13:27:52,431 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 474 Invalid, 592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 581 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 13:27:52,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2024-10-13 13:27:52,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 307. [2024-10-13 13:27:52,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 223 states have (on average 1.4663677130044843) internal successors, (327), 281 states have internal predecessors, (327), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-13 13:27:52,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 373 transitions. [2024-10-13 13:27:52,440 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 373 transitions. Word has length 103 [2024-10-13 13:27:52,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:27:52,441 INFO L471 AbstractCegarLoop]: Abstraction has 307 states and 373 transitions. [2024-10-13 13:27:52,441 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 3 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-13 13:27:52,441 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 373 transitions. [2024-10-13 13:27:52,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-10-13 13:27:52,441 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:27:52,442 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:27:52,453 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2024-10-13 13:27:52,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:27:52,643 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-13 13:27:52,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:27:52,643 INFO L85 PathProgramCache]: Analyzing trace with hash 1653467349, now seen corresponding path program 1 times [2024-10-13 13:27:52,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:27:52,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312017113] [2024-10-13 13:27:52,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:27:52,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:27:52,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:27:52,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1413946668] [2024-10-13 13:27:52,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:27:52,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:27:52,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:27:52,654 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:27:52,655 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-10-13 13:27:52,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:52,704 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-10-13 13:27:52,705 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:27:52,864 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 9 proven. 18 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-13 13:27:52,864 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:27:53,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:27:53,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312017113] [2024-10-13 13:27:53,257 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:27:53,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1413946668] [2024-10-13 13:27:53,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1413946668] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:27:53,257 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:27:53,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-10-13 13:27:53,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994387829] [2024-10-13 13:27:53,258 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:27:53,258 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 13:27:53,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:27:53,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 13:27:53,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-10-13 13:27:53,259 INFO L87 Difference]: Start difference. First operand 307 states and 373 transitions. Second operand has 9 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-13 13:27:53,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:27:53,651 INFO L93 Difference]: Finished difference Result 357 states and 430 transitions. [2024-10-13 13:27:53,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 13:27:53,652 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) Word has length 104 [2024-10-13 13:27:53,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:27:53,653 INFO L225 Difference]: With dead ends: 357 [2024-10-13 13:27:53,653 INFO L226 Difference]: Without dead ends: 355 [2024-10-13 13:27:53,653 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2024-10-13 13:27:53,654 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 431 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 521 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 436 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 551 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 521 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 13:27:53,654 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [436 Valid, 414 Invalid, 551 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 521 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 13:27:53,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2024-10-13 13:27:53,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 353. [2024-10-13 13:27:53,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 265 states have (on average 1.4075471698113207) internal successors, (373), 323 states have internal predecessors, (373), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-10-13 13:27:53,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 427 transitions. [2024-10-13 13:27:53,665 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 427 transitions. Word has length 104 [2024-10-13 13:27:53,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:27:53,666 INFO L471 AbstractCegarLoop]: Abstraction has 353 states and 427 transitions. [2024-10-13 13:27:53,666 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-13 13:27:53,666 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 427 transitions. [2024-10-13 13:27:53,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-10-13 13:27:53,666 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:27:53,666 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:27:53,678 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2024-10-13 13:27:53,870 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:27:53,871 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-13 13:27:53,871 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:27:53,871 INFO L85 PathProgramCache]: Analyzing trace with hash -130205738, now seen corresponding path program 1 times [2024-10-13 13:27:53,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:27:53,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274135186] [2024-10-13 13:27:53,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:27:53,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:27:53,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:53,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 13:27:53,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:53,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 13:27:53,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:53,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 13:27:53,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:53,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-13 13:27:53,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:53,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-13 13:27:53,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:53,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 13:27:53,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:54,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 13:27:54,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:54,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-13 13:27:54,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:54,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-13 13:27:54,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:54,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 13:27:54,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:54,006 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-13 13:27:54,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:27:54,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274135186] [2024-10-13 13:27:54,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274135186] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:27:54,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:27:54,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 13:27:54,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116678203] [2024-10-13 13:27:54,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:27:54,007 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 13:27:54,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:27:54,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 13:27:54,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-13 13:27:54,008 INFO L87 Difference]: Start difference. First operand 353 states and 427 transitions. Second operand has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-13 13:27:54,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:27:54,155 INFO L93 Difference]: Finished difference Result 367 states and 437 transitions. [2024-10-13 13:27:54,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 13:27:54,156 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 105 [2024-10-13 13:27:54,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:27:54,157 INFO L225 Difference]: With dead ends: 367 [2024-10-13 13:27:54,157 INFO L226 Difference]: Without dead ends: 366 [2024-10-13 13:27:54,158 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-13 13:27:54,158 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 14 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:27:54,158 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 436 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:27:54,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2024-10-13 13:27:54,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 358. [2024-10-13 13:27:54,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 358 states, 270 states have (on average 1.4074074074074074) internal successors, (380), 328 states have internal predecessors, (380), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-10-13 13:27:54,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 434 transitions. [2024-10-13 13:27:54,186 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 434 transitions. Word has length 105 [2024-10-13 13:27:54,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:27:54,187 INFO L471 AbstractCegarLoop]: Abstraction has 358 states and 434 transitions. [2024-10-13 13:27:54,187 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-13 13:27:54,187 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 434 transitions. [2024-10-13 13:27:54,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-10-13 13:27:54,188 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:27:54,188 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:27:54,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-10-13 13:27:54,188 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-13 13:27:54,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:27:54,188 INFO L85 PathProgramCache]: Analyzing trace with hash -282119656, now seen corresponding path program 1 times [2024-10-13 13:27:54,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:27:54,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412800575] [2024-10-13 13:27:54,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:27:54,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:27:54,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:54,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 13:27:54,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:54,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 13:27:54,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:54,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 13:27:54,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:54,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-13 13:27:54,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:54,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-13 13:27:54,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:54,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 13:27:54,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:54,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 13:27:54,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:54,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-13 13:27:54,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:54,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-13 13:27:54,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:54,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 13:27:54,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:54,280 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-13 13:27:54,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:27:54,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412800575] [2024-10-13 13:27:54,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1412800575] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:27:54,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:27:54,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 13:27:54,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170305393] [2024-10-13 13:27:54,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:27:54,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 13:27:54,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:27:54,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 13:27:54,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 13:27:54,282 INFO L87 Difference]: Start difference. First operand 358 states and 434 transitions. Second operand has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-10-13 13:27:55,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:27:55,066 INFO L93 Difference]: Finished difference Result 390 states and 434 transitions. [2024-10-13 13:27:55,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 13:27:55,066 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 105 [2024-10-13 13:27:55,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:27:55,068 INFO L225 Difference]: With dead ends: 390 [2024-10-13 13:27:55,068 INFO L226 Difference]: Without dead ends: 389 [2024-10-13 13:27:55,068 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-13 13:27:55,068 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 134 mSDsluCounter, 360 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 552 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-13 13:27:55,069 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 552 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-13 13:27:55,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2024-10-13 13:27:55,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 358. [2024-10-13 13:27:55,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 358 states, 270 states have (on average 1.3962962962962964) internal successors, (377), 328 states have internal predecessors, (377), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-10-13 13:27:55,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 431 transitions. [2024-10-13 13:27:55,081 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 431 transitions. Word has length 105 [2024-10-13 13:27:55,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:27:55,081 INFO L471 AbstractCegarLoop]: Abstraction has 358 states and 431 transitions. [2024-10-13 13:27:55,081 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-10-13 13:27:55,081 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 431 transitions. [2024-10-13 13:27:55,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-10-13 13:27:55,082 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:27:55,082 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:27:55,082 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-10-13 13:27:55,082 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-13 13:27:55,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:27:55,083 INFO L85 PathProgramCache]: Analyzing trace with hash 258589598, now seen corresponding path program 1 times [2024-10-13 13:27:55,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:27:55,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377872496] [2024-10-13 13:27:55,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:27:55,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:27:55,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:55,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 13:27:55,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:55,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 13:27:55,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:55,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 13:27:55,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:55,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-13 13:27:55,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:55,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-13 13:27:55,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:55,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 13:27:55,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:55,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 13:27:55,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:55,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-13 13:27:55,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:55,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-13 13:27:55,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:55,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 13:27:55,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:55,216 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-13 13:27:55,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:27:55,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377872496] [2024-10-13 13:27:55,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [377872496] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:27:55,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [161705225] [2024-10-13 13:27:55,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:27:55,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:27:55,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:27:55,218 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:27:55,219 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-10-13 13:27:55,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:55,264 INFO L255 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 13:27:55,265 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:27:55,387 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-13 13:27:55,388 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:27:55,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [161705225] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:27:55,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:27:55,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 11 [2024-10-13 13:27:55,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265232339] [2024-10-13 13:27:55,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:27:55,389 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 13:27:55,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:27:55,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 13:27:55,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-10-13 13:27:55,389 INFO L87 Difference]: Start difference. First operand 358 states and 431 transitions. Second operand has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-13 13:27:55,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:27:55,698 INFO L93 Difference]: Finished difference Result 365 states and 434 transitions. [2024-10-13 13:27:55,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 13:27:55,698 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 106 [2024-10-13 13:27:55,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:27:55,699 INFO L225 Difference]: With dead ends: 365 [2024-10-13 13:27:55,699 INFO L226 Difference]: Without dead ends: 364 [2024-10-13 13:27:55,700 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-10-13 13:27:55,700 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 56 mSDsluCounter, 371 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 513 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 13:27:55,700 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 513 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 13:27:55,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2024-10-13 13:27:55,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 360. [2024-10-13 13:27:55,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 272 states have (on average 1.3933823529411764) internal successors, (379), 330 states have internal predecessors, (379), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-10-13 13:27:55,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 433 transitions. [2024-10-13 13:27:55,712 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 433 transitions. Word has length 106 [2024-10-13 13:27:55,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:27:55,713 INFO L471 AbstractCegarLoop]: Abstraction has 360 states and 433 transitions. [2024-10-13 13:27:55,713 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-13 13:27:55,713 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 433 transitions. [2024-10-13 13:27:55,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-10-13 13:27:55,714 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:27:55,714 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:27:55,726 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2024-10-13 13:27:55,917 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:27:55,918 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-13 13:27:55,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:27:55,918 INFO L85 PathProgramCache]: Analyzing trace with hash -155774665, now seen corresponding path program 1 times [2024-10-13 13:27:55,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:27:55,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976741973] [2024-10-13 13:27:55,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:27:55,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:27:55,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:56,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 13:27:56,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:56,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 13:27:56,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:56,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 13:27:56,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:56,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-13 13:27:56,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:56,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-13 13:27:56,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:56,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 13:27:56,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:56,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 13:27:56,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:56,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-13 13:27:56,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:56,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-13 13:27:56,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:56,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 13:27:56,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:56,075 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 6 proven. 23 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-13 13:27:56,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:27:56,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976741973] [2024-10-13 13:27:56,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976741973] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:27:56,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2010954979] [2024-10-13 13:27:56,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:27:56,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:27:56,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:27:56,078 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:27:56,081 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-10-13 13:27:56,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:56,130 INFO L255 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-13 13:27:56,131 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:27:56,333 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 11 proven. 18 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-13 13:27:56,333 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:27:56,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2010954979] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:27:56,905 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-13 13:27:56,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2024-10-13 13:27:56,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527336394] [2024-10-13 13:27:56,905 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-13 13:27:56,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-13 13:27:56,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:27:56,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-13 13:27:56,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=252, Unknown=0, NotChecked=0, Total=306 [2024-10-13 13:27:56,907 INFO L87 Difference]: Start difference. First operand 360 states and 433 transitions. Second operand has 16 states, 15 states have (on average 8.0) internal successors, (120), 14 states have internal predecessors, (120), 7 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (20), 8 states have call predecessors, (20), 7 states have call successors, (20) [2024-10-13 13:27:57,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:27:57,661 INFO L93 Difference]: Finished difference Result 554 states and 674 transitions. [2024-10-13 13:27:57,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-13 13:27:57,661 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 8.0) internal successors, (120), 14 states have internal predecessors, (120), 7 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (20), 8 states have call predecessors, (20), 7 states have call successors, (20) Word has length 106 [2024-10-13 13:27:57,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:27:57,662 INFO L225 Difference]: With dead ends: 554 [2024-10-13 13:27:57,662 INFO L226 Difference]: Without dead ends: 310 [2024-10-13 13:27:57,663 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=161, Invalid=489, Unknown=0, NotChecked=0, Total=650 [2024-10-13 13:27:57,663 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 710 mSDsluCounter, 368 mSDsCounter, 0 mSdLazyCounter, 879 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 711 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 940 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 879 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-13 13:27:57,663 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [711 Valid, 442 Invalid, 940 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 879 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-13 13:27:57,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2024-10-13 13:27:57,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 310. [2024-10-13 13:27:57,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 226 states have (on average 1.4380530973451326) internal successors, (325), 284 states have internal predecessors, (325), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-13 13:27:57,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 371 transitions. [2024-10-13 13:27:57,680 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 371 transitions. Word has length 106 [2024-10-13 13:27:57,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:27:57,680 INFO L471 AbstractCegarLoop]: Abstraction has 310 states and 371 transitions. [2024-10-13 13:27:57,680 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 8.0) internal successors, (120), 14 states have internal predecessors, (120), 7 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (20), 8 states have call predecessors, (20), 7 states have call successors, (20) [2024-10-13 13:27:57,680 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 371 transitions. [2024-10-13 13:27:57,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-10-13 13:27:57,681 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:27:57,682 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:27:57,708 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2024-10-13 13:27:57,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2024-10-13 13:27:57,882 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-13 13:27:57,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:27:57,883 INFO L85 PathProgramCache]: Analyzing trace with hash -1528558184, now seen corresponding path program 1 times [2024-10-13 13:27:57,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:27:57,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797124446] [2024-10-13 13:27:57,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:27:57,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:27:57,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:57,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 13:27:57,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:57,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 13:27:57,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:57,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 13:27:57,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:57,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-13 13:27:57,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:57,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-13 13:27:57,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:57,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 13:27:57,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:57,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 13:27:57,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:57,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-13 13:27:57,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:57,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-13 13:27:57,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:57,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 13:27:57,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:57,990 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-10-13 13:27:57,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:27:57,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797124446] [2024-10-13 13:27:57,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797124446] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:27:57,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [351529560] [2024-10-13 13:27:57,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:27:57,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:27:57,991 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:27:57,993 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:27:57,997 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-10-13 13:27:58,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:58,050 INFO L255 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-13 13:27:58,051 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:27:58,168 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-10-13 13:27:58,168 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:27:58,333 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-10-13 13:27:58,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [351529560] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:27:58,333 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:27:58,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 9 [2024-10-13 13:27:58,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388264636] [2024-10-13 13:27:58,333 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:27:58,334 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 13:27:58,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:27:58,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 13:27:58,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-10-13 13:27:58,335 INFO L87 Difference]: Start difference. First operand 310 states and 371 transitions. Second operand has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 8 states have internal predecessors, (70), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-13 13:27:59,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:27:59,077 INFO L93 Difference]: Finished difference Result 703 states and 809 transitions. [2024-10-13 13:27:59,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-13 13:27:59,078 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 8 states have internal predecessors, (70), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 109 [2024-10-13 13:27:59,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:27:59,080 INFO L225 Difference]: With dead ends: 703 [2024-10-13 13:27:59,082 INFO L226 Difference]: Without dead ends: 674 [2024-10-13 13:27:59,083 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 232 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2024-10-13 13:27:59,083 INFO L432 NwaCegarLoop]: 120 mSDtfsCounter, 723 mSDsluCounter, 698 mSDsCounter, 0 mSdLazyCounter, 832 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 728 SdHoareTripleChecker+Valid, 818 SdHoareTripleChecker+Invalid, 863 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 832 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-13 13:27:59,083 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [728 Valid, 818 Invalid, 863 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 832 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-13 13:27:59,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 674 states. [2024-10-13 13:27:59,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 674 to 466. [2024-10-13 13:27:59,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 466 states, 370 states have (on average 1.5972972972972972) internal successors, (591), 428 states have internal predecessors, (591), 35 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-10-13 13:27:59,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 661 transitions. [2024-10-13 13:27:59,100 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 661 transitions. Word has length 109 [2024-10-13 13:27:59,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:27:59,100 INFO L471 AbstractCegarLoop]: Abstraction has 466 states and 661 transitions. [2024-10-13 13:27:59,100 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 8 states have internal predecessors, (70), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-13 13:27:59,101 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 661 transitions. [2024-10-13 13:27:59,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-10-13 13:27:59,101 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:27:59,101 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:27:59,113 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2024-10-13 13:27:59,305 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-10-13 13:27:59,306 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-13 13:27:59,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:27:59,306 INFO L85 PathProgramCache]: Analyzing trace with hash -2035063929, now seen corresponding path program 1 times [2024-10-13 13:27:59,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:27:59,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601288432] [2024-10-13 13:27:59,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:27:59,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:27:59,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:59,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 13:27:59,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:59,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 13:27:59,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:59,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 13:27:59,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:59,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-13 13:27:59,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:59,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-13 13:27:59,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:59,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 13:27:59,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:59,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 13:27:59,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:59,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-13 13:27:59,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:59,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-13 13:27:59,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:59,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 13:27:59,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:59,491 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-10-13 13:27:59,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:27:59,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601288432] [2024-10-13 13:27:59,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601288432] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:27:59,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [954333095] [2024-10-13 13:27:59,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:27:59,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:27:59,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:27:59,497 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:27:59,501 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-10-13 13:27:59,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:59,553 INFO L255 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-13 13:27:59,554 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:27:59,697 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-13 13:27:59,698 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:27:59,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [954333095] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:27:59,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:27:59,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 16 [2024-10-13 13:27:59,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729282236] [2024-10-13 13:27:59,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:27:59,699 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-13 13:27:59,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:27:59,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-13 13:27:59,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2024-10-13 13:27:59,699 INFO L87 Difference]: Start difference. First operand 466 states and 661 transitions. Second operand has 8 states, 7 states have (on average 9.714285714285714) internal successors, (68), 8 states have internal predecessors, (68), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-13 13:28:01,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:28:01,983 INFO L93 Difference]: Finished difference Result 925 states and 1247 transitions. [2024-10-13 13:28:01,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-13 13:28:01,983 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.714285714285714) internal successors, (68), 8 states have internal predecessors, (68), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 112 [2024-10-13 13:28:01,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:28:01,986 INFO L225 Difference]: With dead ends: 925 [2024-10-13 13:28:01,986 INFO L226 Difference]: Without dead ends: 924 [2024-10-13 13:28:01,987 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=143, Invalid=613, Unknown=0, NotChecked=0, Total=756 [2024-10-13 13:28:01,987 INFO L432 NwaCegarLoop]: 183 mSDtfsCounter, 830 mSDsluCounter, 628 mSDsCounter, 0 mSdLazyCounter, 823 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 835 SdHoareTripleChecker+Valid, 811 SdHoareTripleChecker+Invalid, 865 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 823 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:28:01,987 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [835 Valid, 811 Invalid, 865 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 823 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-10-13 13:28:01,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 924 states. [2024-10-13 13:28:02,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 924 to 666. [2024-10-13 13:28:02,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 666 states, 554 states have (on average 1.6768953068592058) internal successors, (929), 612 states have internal predecessors, (929), 51 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-10-13 13:28:02,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 666 states and 1031 transitions. [2024-10-13 13:28:02,029 INFO L78 Accepts]: Start accepts. Automaton has 666 states and 1031 transitions. Word has length 112 [2024-10-13 13:28:02,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:28:02,029 INFO L471 AbstractCegarLoop]: Abstraction has 666 states and 1031 transitions. [2024-10-13 13:28:02,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.714285714285714) internal successors, (68), 8 states have internal predecessors, (68), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-13 13:28:02,030 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 1031 transitions. [2024-10-13 13:28:02,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-10-13 13:28:02,030 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:28:02,030 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:28:02,042 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2024-10-13 13:28:02,231 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-10-13 13:28:02,231 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-13 13:28:02,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:28:02,232 INFO L85 PathProgramCache]: Analyzing trace with hash 1337527720, now seen corresponding path program 1 times [2024-10-13 13:28:02,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:28:02,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134388769] [2024-10-13 13:28:02,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:28:02,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:28:02,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:28:02,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 13:28:02,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:28:02,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 13:28:02,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:28:02,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 13:28:02,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:28:02,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-13 13:28:02,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:28:02,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-13 13:28:02,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:28:02,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 13:28:02,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:28:02,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 13:28:02,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:28:02,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-13 13:28:02,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:28:02,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-13 13:28:02,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:28:02,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 13:28:02,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:28:02,390 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 13 proven. 18 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-13 13:28:02,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:28:02,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134388769] [2024-10-13 13:28:02,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [134388769] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:28:02,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [936383977] [2024-10-13 13:28:02,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:28:02,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:28:02,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:28:02,396 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:28:02,397 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-10-13 13:28:02,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:28:02,457 INFO L255 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-13 13:28:02,458 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:28:02,552 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-13 13:28:02,552 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:28:02,700 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-13 13:28:02,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [936383977] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:28:02,700 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:28:02,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 16 [2024-10-13 13:28:02,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718086826] [2024-10-13 13:28:02,700 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:28:02,701 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-13 13:28:02,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:28:02,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-13 13:28:02,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2024-10-13 13:28:02,702 INFO L87 Difference]: Start difference. First operand 666 states and 1031 transitions. Second operand has 16 states, 15 states have (on average 13.066666666666666) internal successors, (196), 14 states have internal predecessors, (196), 9 states have call successors, (28), 1 states have call predecessors, (28), 2 states have return successors, (28), 9 states have call predecessors, (28), 9 states have call successors, (28) [2024-10-13 13:28:05,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:28:05,106 INFO L93 Difference]: Finished difference Result 1055 states and 1478 transitions. [2024-10-13 13:28:05,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-13 13:28:05,106 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 13.066666666666666) internal successors, (196), 14 states have internal predecessors, (196), 9 states have call successors, (28), 1 states have call predecessors, (28), 2 states have return successors, (28), 9 states have call predecessors, (28), 9 states have call successors, (28) Word has length 113 [2024-10-13 13:28:05,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:28:05,108 INFO L225 Difference]: With dead ends: 1055 [2024-10-13 13:28:05,108 INFO L226 Difference]: Without dead ends: 504 [2024-10-13 13:28:05,109 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 269 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=247, Invalid=809, Unknown=0, NotChecked=0, Total=1056 [2024-10-13 13:28:05,109 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 1748 mSDsluCounter, 745 mSDsCounter, 0 mSdLazyCounter, 1996 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1749 SdHoareTripleChecker+Valid, 857 SdHoareTripleChecker+Invalid, 2116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 1996 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-10-13 13:28:05,109 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1749 Valid, 857 Invalid, 2116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 1996 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-10-13 13:28:05,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 504 states. [2024-10-13 13:28:05,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 504 to 354. [2024-10-13 13:28:05,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 266 states have (on average 1.5150375939849625) internal successors, (403), 324 states have internal predecessors, (403), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-10-13 13:28:05,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 457 transitions. [2024-10-13 13:28:05,137 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 457 transitions. Word has length 113 [2024-10-13 13:28:05,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:28:05,137 INFO L471 AbstractCegarLoop]: Abstraction has 354 states and 457 transitions. [2024-10-13 13:28:05,138 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 13.066666666666666) internal successors, (196), 14 states have internal predecessors, (196), 9 states have call successors, (28), 1 states have call predecessors, (28), 2 states have return successors, (28), 9 states have call predecessors, (28), 9 states have call successors, (28) [2024-10-13 13:28:05,138 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 457 transitions. [2024-10-13 13:28:05,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-10-13 13:28:05,138 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:28:05,138 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:28:05,151 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2024-10-13 13:28:05,339 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-10-13 13:28:05,339 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-13 13:28:05,343 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:28:05,343 INFO L85 PathProgramCache]: Analyzing trace with hash 767455601, now seen corresponding path program 1 times [2024-10-13 13:28:05,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:28:05,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390553922] [2024-10-13 13:28:05,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:28:05,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:28:05,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:28:05,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1483697278] [2024-10-13 13:28:05,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:28:05,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:28:05,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:28:05,381 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:28:05,382 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-10-13 13:28:05,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:28:05,437 INFO L255 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 13:28:05,439 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:28:05,643 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-10-13 13:28:05,643 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:28:05,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:28:05,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390553922] [2024-10-13 13:28:05,644 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:28:05,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1483697278] [2024-10-13 13:28:05,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1483697278] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:28:05,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:28:05,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 13:28:05,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513517855] [2024-10-13 13:28:05,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:28:05,644 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 13:28:05,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:28:05,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 13:28:05,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-13 13:28:05,645 INFO L87 Difference]: Start difference. First operand 354 states and 457 transitions. Second operand has 5 states, 4 states have (on average 25.25) internal successors, (101), 5 states have internal predecessors, (101), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2024-10-13 13:28:05,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:28:05,899 INFO L93 Difference]: Finished difference Result 356 states and 459 transitions. [2024-10-13 13:28:05,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 13:28:05,899 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 25.25) internal successors, (101), 5 states have internal predecessors, (101), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) Word has length 165 [2024-10-13 13:28:05,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:28:05,900 INFO L225 Difference]: With dead ends: 356 [2024-10-13 13:28:05,900 INFO L226 Difference]: Without dead ends: 355 [2024-10-13 13:28:05,901 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-13 13:28:05,901 INFO L432 NwaCegarLoop]: 148 mSDtfsCounter, 6 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 13:28:05,902 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 279 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 13:28:05,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2024-10-13 13:28:05,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 354. [2024-10-13 13:28:05,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 266 states have (on average 1.5112781954887218) internal successors, (402), 324 states have internal predecessors, (402), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-10-13 13:28:05,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 456 transitions. [2024-10-13 13:28:05,917 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 456 transitions. Word has length 165 [2024-10-13 13:28:05,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:28:05,918 INFO L471 AbstractCegarLoop]: Abstraction has 354 states and 456 transitions. [2024-10-13 13:28:05,918 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 25.25) internal successors, (101), 5 states have internal predecessors, (101), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2024-10-13 13:28:05,918 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 456 transitions. [2024-10-13 13:28:05,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-10-13 13:28:05,919 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:28:05,919 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:28:05,933 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2024-10-13 13:28:06,122 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-10-13 13:28:06,123 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-13 13:28:06,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:28:06,123 INFO L85 PathProgramCache]: Analyzing trace with hash -1978679969, now seen corresponding path program 1 times [2024-10-13 13:28:06,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:28:06,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637540111] [2024-10-13 13:28:06,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:28:06,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:28:06,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:28:06,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2126645348] [2024-10-13 13:28:06,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:28:06,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:28:06,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:28:06,143 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:28:06,146 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-10-13 13:28:06,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:28:06,203 INFO L255 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 13:28:06,204 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:28:06,415 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-10-13 13:28:06,415 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:28:07,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:28:07,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637540111] [2024-10-13 13:28:07,215 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:28:07,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2126645348] [2024-10-13 13:28:07,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2126645348] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:28:07,215 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:28:07,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-10-13 13:28:07,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669979161] [2024-10-13 13:28:07,215 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:28:07,216 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 13:28:07,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:28:07,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 13:28:07,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-10-13 13:28:07,216 INFO L87 Difference]: Start difference. First operand 354 states and 456 transitions. Second operand has 5 states, 4 states have (on average 25.5) internal successors, (102), 5 states have internal predecessors, (102), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2024-10-13 13:28:07,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:28:07,470 INFO L93 Difference]: Finished difference Result 356 states and 458 transitions. [2024-10-13 13:28:07,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 13:28:07,471 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 25.5) internal successors, (102), 5 states have internal predecessors, (102), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) Word has length 166 [2024-10-13 13:28:07,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:28:07,472 INFO L225 Difference]: With dead ends: 356 [2024-10-13 13:28:07,472 INFO L226 Difference]: Without dead ends: 355 [2024-10-13 13:28:07,472 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 231 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-10-13 13:28:07,472 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 4 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 13:28:07,472 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 247 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 13:28:07,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2024-10-13 13:28:07,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 354. [2024-10-13 13:28:07,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 266 states have (on average 1.5075187969924813) internal successors, (401), 324 states have internal predecessors, (401), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-10-13 13:28:07,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 455 transitions. [2024-10-13 13:28:07,486 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 455 transitions. Word has length 166 [2024-10-13 13:28:07,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:28:07,488 INFO L471 AbstractCegarLoop]: Abstraction has 354 states and 455 transitions. [2024-10-13 13:28:07,488 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 25.5) internal successors, (102), 5 states have internal predecessors, (102), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2024-10-13 13:28:07,489 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 455 transitions. [2024-10-13 13:28:07,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-10-13 13:28:07,489 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:28:07,489 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:28:07,502 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2024-10-13 13:28:07,690 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:28:07,691 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-13 13:28:07,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:28:07,691 INFO L85 PathProgramCache]: Analyzing trace with hash 1159067617, now seen corresponding path program 1 times [2024-10-13 13:28:07,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:28:07,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910832375] [2024-10-13 13:28:07,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:28:07,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:28:07,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:28:07,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2081978888] [2024-10-13 13:28:07,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:28:07,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:28:07,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:28:07,705 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:28:07,706 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-10-13 13:28:07,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:28:07,760 INFO L255 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-13 13:28:07,762 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:28:08,101 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-10-13 13:28:08,101 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:28:08,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:28:08,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910832375] [2024-10-13 13:28:08,102 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:28:08,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2081978888] [2024-10-13 13:28:08,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2081978888] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:28:08,102 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:28:08,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 13:28:08,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608790865] [2024-10-13 13:28:08,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:28:08,102 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 13:28:08,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:28:08,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 13:28:08,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-13 13:28:08,103 INFO L87 Difference]: Start difference. First operand 354 states and 455 transitions. Second operand has 6 states, 5 states have (on average 20.8) internal successors, (104), 6 states have internal predecessors, (104), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2024-10-13 13:28:08,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:28:08,627 INFO L93 Difference]: Finished difference Result 356 states and 457 transitions. [2024-10-13 13:28:08,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 13:28:08,627 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 20.8) internal successors, (104), 6 states have internal predecessors, (104), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) Word has length 168 [2024-10-13 13:28:08,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:28:08,628 INFO L225 Difference]: With dead ends: 356 [2024-10-13 13:28:08,628 INFO L226 Difference]: Without dead ends: 355 [2024-10-13 13:28:08,629 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-13 13:28:08,629 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 0 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 347 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-13 13:28:08,629 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 392 Invalid, 347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 347 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-13 13:28:08,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2024-10-13 13:28:08,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 355. [2024-10-13 13:28:08,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 355 states, 267 states have (on average 1.5056179775280898) internal successors, (402), 325 states have internal predecessors, (402), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-10-13 13:28:08,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 456 transitions. [2024-10-13 13:28:08,643 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 456 transitions. Word has length 168 [2024-10-13 13:28:08,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:28:08,643 INFO L471 AbstractCegarLoop]: Abstraction has 355 states and 456 transitions. [2024-10-13 13:28:08,643 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 20.8) internal successors, (104), 6 states have internal predecessors, (104), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2024-10-13 13:28:08,643 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 456 transitions. [2024-10-13 13:28:08,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-10-13 13:28:08,644 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:28:08,644 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:28:08,660 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2024-10-13 13:28:08,844 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:28:08,845 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-13 13:28:08,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:28:08,845 INFO L85 PathProgramCache]: Analyzing trace with hash -1753624971, now seen corresponding path program 1 times [2024-10-13 13:28:08,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:28:08,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414289559] [2024-10-13 13:28:08,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:28:08,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:28:08,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:28:08,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [826210227] [2024-10-13 13:28:08,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:28:08,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:28:08,859 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:28:08,860 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:28:08,861 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-10-13 13:28:08,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:28:08,925 INFO L255 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-13 13:28:08,927 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:28:09,707 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2024-10-13 13:28:09,708 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:28:17,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:28:17,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414289559] [2024-10-13 13:28:17,847 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:28:17,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [826210227] [2024-10-13 13:28:17,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [826210227] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:28:17,848 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:28:17,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-10-13 13:28:17,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176724016] [2024-10-13 13:28:17,848 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:28:17,848 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-13 13:28:17,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:28:17,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-13 13:28:17,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=182, Unknown=2, NotChecked=0, Total=240 [2024-10-13 13:28:17,849 INFO L87 Difference]: Start difference. First operand 355 states and 456 transitions. Second operand has 12 states, 11 states have (on average 10.0) internal successors, (110), 12 states have internal predecessors, (110), 5 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 4 states have call predecessors, (14), 5 states have call successors, (14) [2024-10-13 13:28:18,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:28:18,667 INFO L93 Difference]: Finished difference Result 496 states and 673 transitions. [2024-10-13 13:28:18,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-13 13:28:18,667 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 10.0) internal successors, (110), 12 states have internal predecessors, (110), 5 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 4 states have call predecessors, (14), 5 states have call successors, (14) Word has length 171 [2024-10-13 13:28:18,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:28:18,669 INFO L225 Difference]: With dead ends: 496 [2024-10-13 13:28:18,669 INFO L226 Difference]: Without dead ends: 493 [2024-10-13 13:28:18,669 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 8.2s TimeCoverageRelationStatistics Valid=94, Invalid=284, Unknown=2, NotChecked=0, Total=380 [2024-10-13 13:28:18,670 INFO L432 NwaCegarLoop]: 122 mSDtfsCounter, 270 mSDsluCounter, 756 mSDsCounter, 0 mSdLazyCounter, 1231 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 878 SdHoareTripleChecker+Invalid, 1242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-13 13:28:18,670 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [280 Valid, 878 Invalid, 1242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1231 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-13 13:28:18,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2024-10-13 13:28:18,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 450. [2024-10-13 13:28:18,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 354 states have (on average 1.57909604519774) internal successors, (559), 412 states have internal predecessors, (559), 35 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-10-13 13:28:18,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 629 transitions. [2024-10-13 13:28:18,690 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 629 transitions. Word has length 171 [2024-10-13 13:28:18,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:28:18,690 INFO L471 AbstractCegarLoop]: Abstraction has 450 states and 629 transitions. [2024-10-13 13:28:18,690 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 10.0) internal successors, (110), 12 states have internal predecessors, (110), 5 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 4 states have call predecessors, (14), 5 states have call successors, (14) [2024-10-13 13:28:18,690 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 629 transitions. [2024-10-13 13:28:18,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-10-13 13:28:18,691 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:28:18,691 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:28:18,704 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Ended with exit code 0 [2024-10-13 13:28:18,892 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,38 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:28:18,892 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-13 13:28:18,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:28:18,893 INFO L85 PathProgramCache]: Analyzing trace with hash 1472200934, now seen corresponding path program 1 times [2024-10-13 13:28:18,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:28:18,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783064546] [2024-10-13 13:28:18,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:28:18,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:28:18,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:28:18,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1372491946] [2024-10-13 13:28:18,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:28:18,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:28:18,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:28:18,909 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:28:18,910 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2024-10-13 13:28:18,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:28:18,968 INFO L255 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-13 13:28:18,969 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:28:19,834 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2024-10-13 13:28:19,834 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:28:24,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:28:24,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783064546] [2024-10-13 13:28:24,580 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:28:24,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1372491946] [2024-10-13 13:28:24,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1372491946] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:28:24,580 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:28:24,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-10-13 13:28:24,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400745481] [2024-10-13 13:28:24,580 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:28:24,580 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-13 13:28:24,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:28:24,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-13 13:28:24,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=180, Unknown=1, NotChecked=0, Total=240 [2024-10-13 13:28:24,581 INFO L87 Difference]: Start difference. First operand 450 states and 629 transitions. Second operand has 12 states, 11 states have (on average 10.090909090909092) internal successors, (111), 12 states have internal predecessors, (111), 5 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 4 states have call predecessors, (14), 5 states have call successors, (14) [2024-10-13 13:28:25,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:28:25,454 INFO L93 Difference]: Finished difference Result 496 states and 668 transitions. [2024-10-13 13:28:25,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-13 13:28:25,454 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 10.090909090909092) internal successors, (111), 12 states have internal predecessors, (111), 5 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 4 states have call predecessors, (14), 5 states have call successors, (14) Word has length 172 [2024-10-13 13:28:25,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:28:25,455 INFO L225 Difference]: With dead ends: 496 [2024-10-13 13:28:25,456 INFO L226 Difference]: Without dead ends: 493 [2024-10-13 13:28:25,456 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=109, Invalid=310, Unknown=1, NotChecked=0, Total=420 [2024-10-13 13:28:25,456 INFO L432 NwaCegarLoop]: 122 mSDtfsCounter, 354 mSDsluCounter, 709 mSDsCounter, 0 mSdLazyCounter, 1138 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 364 SdHoareTripleChecker+Valid, 831 SdHoareTripleChecker+Invalid, 1156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-13 13:28:25,456 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [364 Valid, 831 Invalid, 1156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 1138 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-13 13:28:25,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2024-10-13 13:28:25,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 451. [2024-10-13 13:28:25,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 451 states, 355 states have (on average 1.5661971830985915) internal successors, (556), 413 states have internal predecessors, (556), 35 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-10-13 13:28:25,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 626 transitions. [2024-10-13 13:28:25,472 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 626 transitions. Word has length 172 [2024-10-13 13:28:25,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:28:25,472 INFO L471 AbstractCegarLoop]: Abstraction has 451 states and 626 transitions. [2024-10-13 13:28:25,472 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 10.090909090909092) internal successors, (111), 12 states have internal predecessors, (111), 5 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 4 states have call predecessors, (14), 5 states have call successors, (14) [2024-10-13 13:28:25,473 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 626 transitions. [2024-10-13 13:28:25,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-10-13 13:28:25,473 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:28:25,473 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:28:25,490 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Forceful destruction successful, exit code 0 [2024-10-13 13:28:25,674 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2024-10-13 13:28:25,674 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-13 13:28:25,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:28:25,674 INFO L85 PathProgramCache]: Analyzing trace with hash -1606411113, now seen corresponding path program 1 times [2024-10-13 13:28:25,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:28:25,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210855234] [2024-10-13 13:28:25,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:28:25,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:28:25,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:28:25,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [215930114] [2024-10-13 13:28:25,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:28:25,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:28:25,691 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:28:25,694 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:28:25,698 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2024-10-13 13:28:25,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:28:25,761 INFO L255 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-10-13 13:28:25,763 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:28:26,621 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2024-10-13 13:28:26,621 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:28:27,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:28:27,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210855234] [2024-10-13 13:28:27,008 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:28:27,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [215930114] [2024-10-13 13:28:27,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [215930114] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:28:27,008 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:28:27,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2024-10-13 13:28:27,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045937341] [2024-10-13 13:28:27,009 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:28:27,009 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-13 13:28:27,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:28:27,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-13 13:28:27,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=338, Unknown=0, NotChecked=0, Total=420 [2024-10-13 13:28:27,009 INFO L87 Difference]: Start difference. First operand 451 states and 626 transitions. Second operand has 15 states, 14 states have (on average 8.0) internal successors, (112), 15 states have internal predecessors, (112), 5 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 4 states have call predecessors, (14), 5 states have call successors, (14) [2024-10-13 13:28:28,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:28:28,364 INFO L93 Difference]: Finished difference Result 501 states and 677 transitions. [2024-10-13 13:28:28,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-13 13:28:28,364 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 8.0) internal successors, (112), 15 states have internal predecessors, (112), 5 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 4 states have call predecessors, (14), 5 states have call successors, (14) Word has length 173 [2024-10-13 13:28:28,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:28:28,366 INFO L225 Difference]: With dead ends: 501 [2024-10-13 13:28:28,366 INFO L226 Difference]: Without dead ends: 497 [2024-10-13 13:28:28,366 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=186, Invalid=744, Unknown=0, NotChecked=0, Total=930 [2024-10-13 13:28:28,367 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 503 mSDsluCounter, 453 mSDsCounter, 0 mSdLazyCounter, 2230 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 508 SdHoareTripleChecker+Valid, 516 SdHoareTripleChecker+Invalid, 2266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 2230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:28:28,367 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [508 Valid, 516 Invalid, 2266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 2230 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-13 13:28:28,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2024-10-13 13:28:28,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 452. [2024-10-13 13:28:28,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 452 states, 356 states have (on average 1.547752808988764) internal successors, (551), 414 states have internal predecessors, (551), 35 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-10-13 13:28:28,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 621 transitions. [2024-10-13 13:28:28,387 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 621 transitions. Word has length 173 [2024-10-13 13:28:28,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:28:28,387 INFO L471 AbstractCegarLoop]: Abstraction has 452 states and 621 transitions. [2024-10-13 13:28:28,387 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 8.0) internal successors, (112), 15 states have internal predecessors, (112), 5 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 4 states have call predecessors, (14), 5 states have call successors, (14) [2024-10-13 13:28:28,387 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 621 transitions. [2024-10-13 13:28:28,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-10-13 13:28:28,388 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:28:28,388 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:28:28,406 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Ended with exit code 0 [2024-10-13 13:28:28,590 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2024-10-13 13:28:28,590 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-13 13:28:28,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:28:28,591 INFO L85 PathProgramCache]: Analyzing trace with hash 1739200906, now seen corresponding path program 1 times [2024-10-13 13:28:28,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:28:28,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2363299] [2024-10-13 13:28:28,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:28:28,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:28:28,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:28:28,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 13:28:28,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:28:28,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 13:28:28,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:28:28,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 13:28:28,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:28:28,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-13 13:28:28,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:28:28,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-13 13:28:28,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:28:28,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 13:28:28,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:28:28,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 13:28:28,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:28:28,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-13 13:28:28,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:28:28,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-13 13:28:28,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:28:28,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 13:28:28,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:28:28,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 13:28:28,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:28:28,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 13:28:28,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:28:28,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 13:28:28,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:28:28,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-13 13:28:28,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:28:28,699 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 50 proven. 2 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-10-13 13:28:28,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:28:28,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2363299] [2024-10-13 13:28:28,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2363299] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:28:28,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [290242937] [2024-10-13 13:28:28,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:28:28,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:28:28,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:28:28,701 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:28:28,702 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2024-10-13 13:28:28,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:28:28,761 INFO L255 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-13 13:28:28,763 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:28:28,825 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-10-13 13:28:28,825 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:28:28,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [290242937] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:28:28,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:28:28,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 8 [2024-10-13 13:28:28,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924817400] [2024-10-13 13:28:28,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:28:28,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-13 13:28:28,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:28:28,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-13 13:28:28,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-10-13 13:28:28,827 INFO L87 Difference]: Start difference. First operand 452 states and 621 transitions. Second operand has 8 states, 7 states have (on average 15.714285714285714) internal successors, (110), 8 states have internal predecessors, (110), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-13 13:28:29,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:28:29,480 INFO L93 Difference]: Finished difference Result 662 states and 829 transitions. [2024-10-13 13:28:29,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-13 13:28:29,480 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 15.714285714285714) internal successors, (110), 8 states have internal predecessors, (110), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 174 [2024-10-13 13:28:29,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:28:29,482 INFO L225 Difference]: With dead ends: 662 [2024-10-13 13:28:29,482 INFO L226 Difference]: Without dead ends: 632 [2024-10-13 13:28:29,482 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=118, Invalid=262, Unknown=0, NotChecked=0, Total=380 [2024-10-13 13:28:29,483 INFO L432 NwaCegarLoop]: 287 mSDtfsCounter, 541 mSDsluCounter, 985 mSDsCounter, 0 mSdLazyCounter, 330 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 542 SdHoareTripleChecker+Valid, 1272 SdHoareTripleChecker+Invalid, 358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-13 13:28:29,483 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [542 Valid, 1272 Invalid, 358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 330 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-13 13:28:29,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 632 states. [2024-10-13 13:28:29,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 632 to 455. [2024-10-13 13:28:29,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 455 states, 360 states have (on average 1.5361111111111112) internal successors, (553), 417 states have internal predecessors, (553), 35 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-10-13 13:28:29,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 623 transitions. [2024-10-13 13:28:29,509 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 623 transitions. Word has length 174 [2024-10-13 13:28:29,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:28:29,509 INFO L471 AbstractCegarLoop]: Abstraction has 455 states and 623 transitions. [2024-10-13 13:28:29,509 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 15.714285714285714) internal successors, (110), 8 states have internal predecessors, (110), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-13 13:28:29,509 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 623 transitions. [2024-10-13 13:28:29,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-10-13 13:28:29,509 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:28:29,510 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:28:29,522 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Ended with exit code 0 [2024-10-13 13:28:29,710 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2024-10-13 13:28:29,710 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-13 13:28:29,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:28:29,710 INFO L85 PathProgramCache]: Analyzing trace with hash 1740863240, now seen corresponding path program 1 times [2024-10-13 13:28:29,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:28:29,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875180060] [2024-10-13 13:28:29,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:28:29,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:28:29,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:28:29,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [166378874] [2024-10-13 13:28:29,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:28:29,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:28:29,722 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:28:29,723 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:28:29,724 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2024-10-13 13:28:29,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:28:29,827 INFO L255 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-10-13 13:28:29,829 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:28:30,652 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2024-10-13 13:28:30,653 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:28:31,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:28:31,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875180060] [2024-10-13 13:28:31,694 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:28:31,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [166378874] [2024-10-13 13:28:31,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [166378874] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:28:31,694 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:28:31,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2024-10-13 13:28:31,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346651294] [2024-10-13 13:28:31,694 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:28:31,695 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-13 13:28:31,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:28:31,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-13 13:28:31,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=342, Unknown=0, NotChecked=0, Total=420 [2024-10-13 13:28:31,696 INFO L87 Difference]: Start difference. First operand 455 states and 623 transitions. Second operand has 15 states, 14 states have (on average 8.071428571428571) internal successors, (113), 15 states have internal predecessors, (113), 5 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 4 states have call predecessors, (14), 5 states have call successors, (14) [2024-10-13 13:28:33,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:28:33,071 INFO L93 Difference]: Finished difference Result 502 states and 672 transitions. [2024-10-13 13:28:33,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-13 13:28:33,072 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 8.071428571428571) internal successors, (113), 15 states have internal predecessors, (113), 5 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 4 states have call predecessors, (14), 5 states have call successors, (14) Word has length 174 [2024-10-13 13:28:33,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:28:33,073 INFO L225 Difference]: With dead ends: 502 [2024-10-13 13:28:33,073 INFO L226 Difference]: Without dead ends: 499 [2024-10-13 13:28:33,074 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=173, Invalid=757, Unknown=0, NotChecked=0, Total=930 [2024-10-13 13:28:33,074 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 443 mSDsluCounter, 525 mSDsCounter, 0 mSdLazyCounter, 2564 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 448 SdHoareTripleChecker+Valid, 594 SdHoareTripleChecker+Invalid, 2595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 2564 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:28:33,074 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [448 Valid, 594 Invalid, 2595 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 2564 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-13 13:28:33,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2024-10-13 13:28:33,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 456. [2024-10-13 13:28:33,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 456 states, 361 states have (on average 1.5235457063711912) internal successors, (550), 418 states have internal predecessors, (550), 35 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-10-13 13:28:33,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 620 transitions. [2024-10-13 13:28:33,092 INFO L78 Accepts]: Start accepts. Automaton has 456 states and 620 transitions. Word has length 174 [2024-10-13 13:28:33,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:28:33,092 INFO L471 AbstractCegarLoop]: Abstraction has 456 states and 620 transitions. [2024-10-13 13:28:33,092 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 8.071428571428571) internal successors, (113), 15 states have internal predecessors, (113), 5 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 4 states have call predecessors, (14), 5 states have call successors, (14) [2024-10-13 13:28:33,092 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 620 transitions. [2024-10-13 13:28:33,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-10-13 13:28:33,093 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:28:33,093 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:28:33,105 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Ended with exit code 0 [2024-10-13 13:28:33,294 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2024-10-13 13:28:33,295 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-13 13:28:33,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:28:33,295 INFO L85 PathProgramCache]: Analyzing trace with hash -1867814215, now seen corresponding path program 1 times [2024-10-13 13:28:33,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:28:33,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190793171] [2024-10-13 13:28:33,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:28:33,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:28:33,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:28:33,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1537013253] [2024-10-13 13:28:33,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:28:33,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:28:33,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:28:33,311 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:28:33,312 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2024-10-13 13:28:33,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:28:33,367 INFO L255 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-13 13:28:33,369 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:28:34,132 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2024-10-13 13:28:34,132 INFO L311 TraceCheckSpWp]: Computing backward predicates...