./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_unwindbound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound5.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 74e9855722264d342377b8ab219a69c32c582cc628f82167488f3dea5640534c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 20:08:45,716 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 20:08:45,825 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-24 20:08:45,829 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 20:08:45,830 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 20:08:45,854 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 20:08:45,854 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 20:08:45,855 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 20:08:45,856 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 20:08:45,859 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 20:08:45,859 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 20:08:45,860 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 20:08:45,860 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 20:08:45,860 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 20:08:45,861 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 20:08:45,861 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 20:08:45,861 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 20:08:45,861 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 20:08:45,861 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 20:08:45,862 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 20:08:45,862 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 20:08:45,864 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 20:08:45,864 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 20:08:45,864 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 20:08:45,864 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 20:08:45,865 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-24 20:08:45,865 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 20:08:45,865 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 20:08:45,865 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 20:08:45,866 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 20:08:45,866 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 20:08:45,867 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 20:08:45,867 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 20:08:45,867 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 20:08:45,867 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 20:08:45,868 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 20:08:45,868 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 20:08:45,868 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 20:08:45,868 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 20:08:45,869 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 20:08:45,869 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 20:08:45,870 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 20:08:45,870 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 20:08:45,870 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 20:08:45,870 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 74e9855722264d342377b8ab219a69c32c582cc628f82167488f3dea5640534c [2024-10-24 20:08:46,120 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 20:08:46,143 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 20:08:46,146 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 20:08:46,148 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 20:08:46,148 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 20:08:46,149 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound5.c [2024-10-24 20:08:47,485 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 20:08:47,671 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 20:08:47,671 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound5.c [2024-10-24 20:08:47,678 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ecb09cd09/86a52bacf3794e7d86d05efef07d0411/FLAG793952699 [2024-10-24 20:08:47,691 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ecb09cd09/86a52bacf3794e7d86d05efef07d0411 [2024-10-24 20:08:47,693 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 20:08:47,695 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 20:08:47,698 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 20:08:47,698 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 20:08:47,704 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 20:08:47,704 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 08:08:47" (1/1) ... [2024-10-24 20:08:47,705 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b4bc04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:08:47, skipping insertion in model container [2024-10-24 20:08:47,706 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 08:08:47" (1/1) ... [2024-10-24 20:08:47,728 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 20:08:47,972 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 20:08:47,989 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 20:08:48,039 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 20:08:48,060 INFO L204 MainTranslator]: Completed translation [2024-10-24 20:08:48,061 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:08:48 WrapperNode [2024-10-24 20:08:48,061 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 20:08:48,062 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 20:08:48,062 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 20:08:48,063 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 20:08:48,070 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:08:48" (1/1) ... [2024-10-24 20:08:48,079 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:08:48" (1/1) ... [2024-10-24 20:08:48,112 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 160 [2024-10-24 20:08:48,113 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 20:08:48,113 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 20:08:48,115 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 20:08:48,115 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 20:08:48,126 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:08:48" (1/1) ... [2024-10-24 20:08:48,127 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:08:48" (1/1) ... [2024-10-24 20:08:48,129 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:08:48" (1/1) ... [2024-10-24 20:08:48,149 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]. [2024-10-24 20:08:48,149 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:08:48" (1/1) ... [2024-10-24 20:08:48,149 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:08:48" (1/1) ... [2024-10-24 20:08:48,157 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:08:48" (1/1) ... [2024-10-24 20:08:48,160 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:08:48" (1/1) ... [2024-10-24 20:08:48,164 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:08:48" (1/1) ... [2024-10-24 20:08:48,165 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:08:48" (1/1) ... [2024-10-24 20:08:48,171 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 20:08:48,171 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 20:08:48,172 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 20:08:48,172 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 20:08:48,172 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:08:48" (1/1) ... [2024-10-24 20:08:48,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 20:08:48,191 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:08:48,205 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 20:08:48,212 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 20:08:48,253 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 20:08:48,254 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 20:08:48,254 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 20:08:48,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 20:08:48,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 20:08:48,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 20:08:48,254 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-24 20:08:48,255 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-24 20:08:48,319 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 20:08:48,322 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 20:08:49,037 INFO L? ?]: Removed 200 outVars from TransFormulas that were not future-live. [2024-10-24 20:08:49,037 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 20:08:49,067 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 20:08:49,068 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-24 20:08:49,068 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 08:08:49 BoogieIcfgContainer [2024-10-24 20:08:49,068 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 20:08:49,072 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 20:08:49,072 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 20:08:49,075 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 20:08:49,075 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 08:08:47" (1/3) ... [2024-10-24 20:08:49,076 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ff0b1aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 08:08:49, skipping insertion in model container [2024-10-24 20:08:49,077 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:08:48" (2/3) ... [2024-10-24 20:08:49,077 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ff0b1aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 08:08:49, skipping insertion in model container [2024-10-24 20:08:49,077 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 08:08:49" (3/3) ... [2024-10-24 20:08:49,079 INFO L112 eAbstractionObserver]: Analyzing ICFG egcd2-ll_unwindbound5.c [2024-10-24 20:08:49,094 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 20:08:49,095 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 68 error locations. [2024-10-24 20:08:49,147 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 20:08:49,153 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;@cca539f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 20:08:49,155 INFO L334 AbstractCegarLoop]: Starting to check reachability of 68 error locations. [2024-10-24 20:08:49,159 INFO L276 IsEmpty]: Start isEmpty. Operand has 165 states, 84 states have (on average 1.9047619047619047) internal successors, (160), 153 states have internal predecessors, (160), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-24 20:08:49,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-10-24 20:08:49,167 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:08:49,167 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:08:49,168 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-24 20:08:49,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:08:49,172 INFO L85 PathProgramCache]: Analyzing trace with hash -1933443539, now seen corresponding path program 1 times [2024-10-24 20:08:49,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:08:49,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077912296] [2024-10-24 20:08:49,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:08:49,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:08:49,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:08:49,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 20:08:49,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:08:49,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-24 20:08:49,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:08:49,350 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-24 20:08:49,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:08:49,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077912296] [2024-10-24 20:08:49,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077912296] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:08:49,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:08:49,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 20:08:49,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426649257] [2024-10-24 20:08:49,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:08:49,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 20:08:49,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:08:49,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 20:08:49,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 20:08:49,379 INFO L87 Difference]: Start difference. First operand has 165 states, 84 states have (on average 1.9047619047619047) internal successors, (160), 153 states have internal predecessors, (160), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 20:08:49,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:08:49,415 INFO L93 Difference]: Finished difference Result 327 states and 367 transitions. [2024-10-24 20:08:49,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 20:08:49,417 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 13 [2024-10-24 20:08:49,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:08:49,426 INFO L225 Difference]: With dead ends: 327 [2024-10-24 20:08:49,426 INFO L226 Difference]: Without dead ends: 161 [2024-10-24 20:08:49,430 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 20:08:49,434 INFO L432 NwaCegarLoop]: 173 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, 173 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 20:08:49,435 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 173 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 20:08:49,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2024-10-24 20:08:49,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2024-10-24 20:08:49,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 83 states have (on average 1.8433734939759037) internal successors, (153), 150 states have internal predecessors, (153), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-24 20:08:49,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 171 transitions. [2024-10-24 20:08:49,484 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 171 transitions. Word has length 13 [2024-10-24 20:08:49,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:08:49,484 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 171 transitions. [2024-10-24 20:08:49,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 20:08:49,485 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 171 transitions. [2024-10-24 20:08:49,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-10-24 20:08:49,486 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:08:49,486 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:08:49,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 20:08:49,487 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-24 20:08:49,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:08:49,489 INFO L85 PathProgramCache]: Analyzing trace with hash 1970343789, now seen corresponding path program 1 times [2024-10-24 20:08:49,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:08:49,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423962062] [2024-10-24 20:08:49,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:08:49,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:08:49,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:08:49,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1422037639] [2024-10-24 20:08:49,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:08:49,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:08:49,534 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:08:49,536 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:08:49,538 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-24 20:08:49,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:08:49,605 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-24 20:08:49,610 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:08:49,735 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-24 20:08:49,736 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:08:49,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:08:49,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423962062] [2024-10-24 20:08:49,737 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:08:49,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1422037639] [2024-10-24 20:08:49,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1422037639] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:08:49,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:08:49,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 20:08:49,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781269613] [2024-10-24 20:08:49,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:08:49,740 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 20:08:49,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:08:49,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 20:08:49,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-10-24 20:08:49,742 INFO L87 Difference]: Start difference. First operand 161 states and 171 transitions. Second operand has 7 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 20:08:50,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:08:50,197 INFO L93 Difference]: Finished difference Result 161 states and 171 transitions. [2024-10-24 20:08:50,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 20:08:50,198 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 13 [2024-10-24 20:08:50,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:08:50,199 INFO L225 Difference]: With dead ends: 161 [2024-10-24 20:08:50,200 INFO L226 Difference]: Without dead ends: 159 [2024-10-24 20:08:50,200 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-10-24 20:08:50,201 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 324 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 311 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 331 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 20:08:50,202 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [331 Valid, 249 Invalid, 326 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 311 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 20:08:50,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2024-10-24 20:08:50,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2024-10-24 20:08:50,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 83 states have (on average 1.819277108433735) internal successors, (151), 148 states have internal predecessors, (151), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-24 20:08:50,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 169 transitions. [2024-10-24 20:08:50,214 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 169 transitions. Word has length 13 [2024-10-24 20:08:50,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:08:50,216 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 169 transitions. [2024-10-24 20:08:50,216 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 20:08:50,216 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 169 transitions. [2024-10-24 20:08:50,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-10-24 20:08:50,217 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:08:50,217 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:08:50,229 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-24 20:08:50,417 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 [2024-10-24 20:08:50,418 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-24 20:08:50,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:08:50,418 INFO L85 PathProgramCache]: Analyzing trace with hash 951115354, now seen corresponding path program 1 times [2024-10-24 20:08:50,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:08:50,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620734802] [2024-10-24 20:08:50,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:08:50,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:08:50,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:08:50,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [454078321] [2024-10-24 20:08:50,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:08:50,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:08:50,445 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:08:50,446 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:08:50,448 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-24 20:08:50,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:08:50,495 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-24 20:08:50,496 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:08:50,573 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-24 20:08:50,574 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:08:50,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:08:50,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620734802] [2024-10-24 20:08:50,575 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:08:50,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [454078321] [2024-10-24 20:08:50,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [454078321] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:08:50,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:08:50,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 20:08:50,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994237115] [2024-10-24 20:08:50,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:08:50,576 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 20:08:50,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:08:50,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 20:08:50,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-24 20:08:50,577 INFO L87 Difference]: Start difference. First operand 159 states and 169 transitions. Second operand has 6 states, 4 states have (on average 2.5) internal successors, (10), 6 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-24 20:08:51,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:08:51,068 INFO L93 Difference]: Finished difference Result 159 states and 169 transitions. [2024-10-24 20:08:51,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 20:08:51,069 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 2.5) internal successors, (10), 6 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 14 [2024-10-24 20:08:51,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:08:51,071 INFO L225 Difference]: With dead ends: 159 [2024-10-24 20:08:51,071 INFO L226 Difference]: Without dead ends: 158 [2024-10-24 20:08:51,072 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-24 20:08:51,073 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 206 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 307 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 20:08:51,073 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [213 Valid, 249 Invalid, 314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 307 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 20:08:51,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2024-10-24 20:08:51,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2024-10-24 20:08:51,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 83 states have (on average 1.8072289156626506) internal successors, (150), 147 states have internal predecessors, (150), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-24 20:08:51,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 168 transitions. [2024-10-24 20:08:51,092 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 168 transitions. Word has length 14 [2024-10-24 20:08:51,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:08:51,092 INFO L471 AbstractCegarLoop]: Abstraction has 158 states and 168 transitions. [2024-10-24 20:08:51,092 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 2.5) internal successors, (10), 6 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-24 20:08:51,092 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 168 transitions. [2024-10-24 20:08:51,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-10-24 20:08:51,093 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:08:51,093 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:08:51,110 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-24 20:08:51,294 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 [2024-10-24 20:08:51,294 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-24 20:08:51,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:08:51,295 INFO L85 PathProgramCache]: Analyzing trace with hash 1564000962, now seen corresponding path program 1 times [2024-10-24 20:08:51,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:08:51,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854308704] [2024-10-24 20:08:51,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:08:51,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:08:51,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:08:51,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 20:08:51,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:08:51,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-24 20:08:51,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:08:51,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-24 20:08:51,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:08:51,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 20:08:51,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:08:51,447 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-24 20:08:51,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:08:51,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854308704] [2024-10-24 20:08:51,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854308704] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:08:51,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:08:51,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 20:08:51,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833012429] [2024-10-24 20:08:51,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:08:51,449 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:08:51,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:08:51,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:08:51,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:08:51,450 INFO L87 Difference]: Start difference. First operand 158 states and 168 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-24 20:08:51,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:08:51,483 INFO L93 Difference]: Finished difference Result 193 states and 203 transitions. [2024-10-24 20:08:51,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 20:08:51,484 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 28 [2024-10-24 20:08:51,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:08:51,487 INFO L225 Difference]: With dead ends: 193 [2024-10-24 20:08:51,487 INFO L226 Difference]: Without dead ends: 162 [2024-10-24 20:08:51,488 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 20:08:51,490 INFO L432 NwaCegarLoop]: 163 mSDtfsCounter, 11 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 20:08:51,491 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 469 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 20:08:51,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2024-10-24 20:08:51,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 162. [2024-10-24 20:08:51,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 87 states have (on average 1.7701149425287357) internal successors, (154), 150 states have internal predecessors, (154), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-24 20:08:51,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 172 transitions. [2024-10-24 20:08:51,511 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 172 transitions. Word has length 28 [2024-10-24 20:08:51,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:08:51,511 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 172 transitions. [2024-10-24 20:08:51,514 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-24 20:08:51,514 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 172 transitions. [2024-10-24 20:08:51,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-10-24 20:08:51,515 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:08:51,515 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:08:51,515 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 20:08:51,515 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-24 20:08:51,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:08:51,515 INFO L85 PathProgramCache]: Analyzing trace with hash -1177615479, now seen corresponding path program 1 times [2024-10-24 20:08:51,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:08:51,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645592050] [2024-10-24 20:08:51,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:08:51,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:08:51,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:08:51,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 20:08:51,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:08:51,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-24 20:08:51,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:08:51,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-24 20:08:51,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:08:51,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 20:08:51,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:08:51,707 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-24 20:08:51,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:08:51,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645592050] [2024-10-24 20:08:51,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645592050] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:08:51,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [652380439] [2024-10-24 20:08:51,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:08:51,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:08:51,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:08:51,711 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:08:51,713 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-24 20:08:51,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:08:51,765 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 20:08:51,766 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:08:51,801 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-24 20:08:51,801 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:08:51,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [652380439] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:08:51,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:08:51,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 7 [2024-10-24 20:08:51,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535956620] [2024-10-24 20:08:51,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:08:51,804 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 20:08:51,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:08:51,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 20:08:51,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-24 20:08:51,805 INFO L87 Difference]: Start difference. First operand 162 states and 172 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-24 20:08:52,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:08:52,349 INFO L93 Difference]: Finished difference Result 272 states and 305 transitions. [2024-10-24 20:08:52,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 20:08:52,352 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 32 [2024-10-24 20:08:52,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:08:52,354 INFO L225 Difference]: With dead ends: 272 [2024-10-24 20:08:52,354 INFO L226 Difference]: Without dead ends: 262 [2024-10-24 20:08:52,354 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-24 20:08:52,355 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 95 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 20:08:52,355 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 281 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 20:08:52,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2024-10-24 20:08:52,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 217. [2024-10-24 20:08:52,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 138 states have (on average 1.7681159420289856) internal successors, (244), 201 states have internal predecessors, (244), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-24 20:08:52,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 270 transitions. [2024-10-24 20:08:52,382 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 270 transitions. Word has length 32 [2024-10-24 20:08:52,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:08:52,383 INFO L471 AbstractCegarLoop]: Abstraction has 217 states and 270 transitions. [2024-10-24 20:08:52,383 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-24 20:08:52,383 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 270 transitions. [2024-10-24 20:08:52,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-10-24 20:08:52,384 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:08:52,384 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:08:52,398 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-24 20:08:52,585 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:08:52,585 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-24 20:08:52,585 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:08:52,586 INFO L85 PathProgramCache]: Analyzing trace with hash -2146343301, now seen corresponding path program 1 times [2024-10-24 20:08:52,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:08:52,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98606415] [2024-10-24 20:08:52,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:08:52,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:08:52,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:08:52,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 20:08:52,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:08:52,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-24 20:08:52,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:08:52,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-24 20:08:52,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:08:52,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 20:08:52,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:08:52,741 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-24 20:08:52,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:08:52,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98606415] [2024-10-24 20:08:52,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98606415] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:08:52,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:08:52,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 20:08:52,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491762047] [2024-10-24 20:08:52,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:08:52,746 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 20:08:52,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:08:52,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 20:08:52,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-24 20:08:52,747 INFO L87 Difference]: Start difference. First operand 217 states and 270 transitions. Second operand has 7 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 7 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-24 20:08:52,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:08:52,866 INFO L93 Difference]: Finished difference Result 295 states and 311 transitions. [2024-10-24 20:08:52,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 20:08:52,866 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 7 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 33 [2024-10-24 20:08:52,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:08:52,868 INFO L225 Difference]: With dead ends: 295 [2024-10-24 20:08:52,868 INFO L226 Difference]: Without dead ends: 294 [2024-10-24 20:08:52,868 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-10-24 20:08:52,869 INFO L432 NwaCegarLoop]: 159 mSDtfsCounter, 146 mSDsluCounter, 734 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 893 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:08:52,869 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 893 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:08:52,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2024-10-24 20:08:52,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 226. [2024-10-24 20:08:52,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 145 states have (on average 1.7517241379310344) internal successors, (254), 209 states have internal predecessors, (254), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-10-24 20:08:52,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 282 transitions. [2024-10-24 20:08:52,883 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 282 transitions. Word has length 33 [2024-10-24 20:08:52,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:08:52,884 INFO L471 AbstractCegarLoop]: Abstraction has 226 states and 282 transitions. [2024-10-24 20:08:52,884 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 7 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-24 20:08:52,884 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 282 transitions. [2024-10-24 20:08:52,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-10-24 20:08:52,884 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:08:52,885 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-24 20:08:52,885 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 20:08:52,885 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-24 20:08:52,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:08:52,885 INFO L85 PathProgramCache]: Analyzing trace with hash -2112070261, now seen corresponding path program 1 times [2024-10-24 20:08:52,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:08:52,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394383281] [2024-10-24 20:08:52,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:08:52,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:08:52,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:08:52,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 20:08:52,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:08:52,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-24 20:08:52,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:08:52,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-24 20:08:52,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:08:52,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 20:08:52,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:08:52,986 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-24 20:08:52,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:08:52,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394383281] [2024-10-24 20:08:52,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394383281] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:08:52,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1819480793] [2024-10-24 20:08:52,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:08:52,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:08:52,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:08:52,989 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:08:52,990 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-24 20:08:53,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:08:53,041 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-24 20:08:53,043 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:08:53,148 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-24 20:08:53,149 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:08:53,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1819480793] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:08:53,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:08:53,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-10-24 20:08:53,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402898692] [2024-10-24 20:08:53,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:08:53,150 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:08:53,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:08:53,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:08:53,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-24 20:08:53,152 INFO L87 Difference]: Start difference. First operand 226 states and 282 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-24 20:08:53,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:08:53,484 INFO L93 Difference]: Finished difference Result 256 states and 305 transitions. [2024-10-24 20:08:53,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 20:08:53,484 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 34 [2024-10-24 20:08:53,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:08:53,485 INFO L225 Difference]: With dead ends: 256 [2024-10-24 20:08:53,485 INFO L226 Difference]: Without dead ends: 253 [2024-10-24 20:08:53,486 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-24 20:08:53,486 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 203 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 20:08:53,487 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [213 Valid, 186 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 20:08:53,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2024-10-24 20:08:53,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 226. [2024-10-24 20:08:53,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 145 states have (on average 1.7310344827586206) internal successors, (251), 209 states have internal predecessors, (251), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-10-24 20:08:53,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 279 transitions. [2024-10-24 20:08:53,498 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 279 transitions. Word has length 34 [2024-10-24 20:08:53,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:08:53,498 INFO L471 AbstractCegarLoop]: Abstraction has 226 states and 279 transitions. [2024-10-24 20:08:53,498 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-24 20:08:53,499 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 279 transitions. [2024-10-24 20:08:53,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-10-24 20:08:53,499 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:08:53,500 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-24 20:08:53,515 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-24 20:08:53,703 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:08:53,704 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-24 20:08:53,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:08:53,704 INFO L85 PathProgramCache]: Analyzing trace with hash -2112132818, now seen corresponding path program 1 times [2024-10-24 20:08:53,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:08:53,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401679383] [2024-10-24 20:08:53,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:08:53,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:08:53,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:08:53,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 20:08:53,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:08:53,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-24 20:08:53,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:08:53,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-24 20:08:53,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:08:53,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 20:08:53,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:08:53,816 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-24 20:08:53,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:08:53,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401679383] [2024-10-24 20:08:53,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401679383] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:08:53,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:08:53,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 20:08:53,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433652300] [2024-10-24 20:08:53,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:08:53,820 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 20:08:53,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:08:53,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 20:08:53,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-10-24 20:08:53,821 INFO L87 Difference]: Start difference. First operand 226 states and 279 transitions. Second operand has 7 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 7 states have internal predecessors, (17), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-24 20:08:53,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:08:53,891 INFO L93 Difference]: Finished difference Result 396 states and 453 transitions. [2024-10-24 20:08:53,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 20:08:53,891 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 7 states have internal predecessors, (17), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 34 [2024-10-24 20:08:53,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:08:53,894 INFO L225 Difference]: With dead ends: 396 [2024-10-24 20:08:53,894 INFO L226 Difference]: Without dead ends: 249 [2024-10-24 20:08:53,895 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-10-24 20:08:53,896 INFO L432 NwaCegarLoop]: 159 mSDtfsCounter, 39 mSDsluCounter, 600 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 759 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 20:08:53,897 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 759 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 20:08:53,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2024-10-24 20:08:53,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 234. [2024-10-24 20:08:53,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 152 states have (on average 1.6973684210526316) internal successors, (258), 216 states have internal predecessors, (258), 14 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-10-24 20:08:53,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 286 transitions. [2024-10-24 20:08:53,912 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 286 transitions. Word has length 34 [2024-10-24 20:08:53,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:08:53,912 INFO L471 AbstractCegarLoop]: Abstraction has 234 states and 286 transitions. [2024-10-24 20:08:53,914 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 7 states have internal predecessors, (17), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-24 20:08:53,914 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 286 transitions. [2024-10-24 20:08:53,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-10-24 20:08:53,915 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:08:53,915 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-24 20:08:53,915 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-24 20:08:53,915 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-24 20:08:53,917 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:08:53,917 INFO L85 PathProgramCache]: Analyzing trace with hash -1049668453, now seen corresponding path program 1 times [2024-10-24 20:08:53,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:08:53,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264077177] [2024-10-24 20:08:53,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:08:53,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:08:53,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:08:53,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 20:08:53,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:08:53,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-24 20:08:53,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:08:54,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-24 20:08:54,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:08:54,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 20:08:54,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:08:54,018 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-24 20:08:54,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:08:54,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264077177] [2024-10-24 20:08:54,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264077177] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:08:54,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1051204681] [2024-10-24 20:08:54,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:08:54,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:08:54,019 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:08:54,021 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:08:54,022 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-24 20:08:54,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:08:54,069 INFO L255 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-24 20:08:54,071 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:08:54,158 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-24 20:08:54,158 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:08:54,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1051204681] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:08:54,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:08:54,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-10-24 20:08:54,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724930232] [2024-10-24 20:08:54,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:08:54,159 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:08:54,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:08:54,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:08:54,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-24 20:08:54,160 INFO L87 Difference]: Start difference. First operand 234 states and 286 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-24 20:08:54,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:08:54,631 INFO L93 Difference]: Finished difference Result 248 states and 297 transitions. [2024-10-24 20:08:54,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 20:08:54,631 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 35 [2024-10-24 20:08:54,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:08:54,633 INFO L225 Difference]: With dead ends: 248 [2024-10-24 20:08:54,633 INFO L226 Difference]: Without dead ends: 247 [2024-10-24 20:08:54,633 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-24 20:08:54,633 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 63 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 20:08:54,634 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 225 Invalid, 272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 20:08:54,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2024-10-24 20:08:54,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 234. [2024-10-24 20:08:54,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 152 states have (on average 1.6907894736842106) internal successors, (257), 216 states have internal predecessors, (257), 14 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-10-24 20:08:54,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 285 transitions. [2024-10-24 20:08:54,645 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 285 transitions. Word has length 35 [2024-10-24 20:08:54,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:08:54,646 INFO L471 AbstractCegarLoop]: Abstraction has 234 states and 285 transitions. [2024-10-24 20:08:54,646 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-24 20:08:54,646 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 285 transitions. [2024-10-24 20:08:54,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-10-24 20:08:54,650 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:08:54,650 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-24 20:08:54,667 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-24 20:08:54,851 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:08:54,851 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr60ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-24 20:08:54,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:08:54,852 INFO L85 PathProgramCache]: Analyzing trace with hash 1820016525, now seen corresponding path program 1 times [2024-10-24 20:08:54,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:08:54,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141150654] [2024-10-24 20:08:54,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:08:54,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:08:54,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:08:54,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 20:08:54,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:08:54,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-24 20:08:54,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:08:54,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-24 20:08:54,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:08:54,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 20:08:54,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:08:54,956 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-24 20:08:54,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:08:54,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141150654] [2024-10-24 20:08:54,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141150654] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:08:54,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1687805155] [2024-10-24 20:08:54,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:08:54,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:08:54,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:08:54,959 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:08:54,962 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-24 20:08:55,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:08:55,005 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-24 20:08:55,006 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:08:55,050 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-24 20:08:55,050 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:08:55,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1687805155] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:08:55,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:08:55,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-10-24 20:08:55,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396432340] [2024-10-24 20:08:55,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:08:55,053 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:08:55,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:08:55,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:08:55,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-24 20:08:55,054 INFO L87 Difference]: Start difference. First operand 234 states and 285 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-24 20:08:55,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:08:55,793 INFO L93 Difference]: Finished difference Result 292 states and 327 transitions. [2024-10-24 20:08:55,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 20:08:55,794 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 36 [2024-10-24 20:08:55,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:08:55,795 INFO L225 Difference]: With dead ends: 292 [2024-10-24 20:08:55,795 INFO L226 Difference]: Without dead ends: 290 [2024-10-24 20:08:55,796 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-24 20:08:55,796 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 156 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-24 20:08:55,796 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 256 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-24 20:08:55,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2024-10-24 20:08:55,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 234. [2024-10-24 20:08:55,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 152 states have (on average 1.6776315789473684) internal successors, (255), 216 states have internal predecessors, (255), 14 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-10-24 20:08:55,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 283 transitions. [2024-10-24 20:08:55,809 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 283 transitions. Word has length 36 [2024-10-24 20:08:55,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:08:55,809 INFO L471 AbstractCegarLoop]: Abstraction has 234 states and 283 transitions. [2024-10-24 20:08:55,809 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-24 20:08:55,810 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 283 transitions. [2024-10-24 20:08:55,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-10-24 20:08:55,810 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:08:55,810 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-24 20:08:55,829 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-10-24 20:08:56,011 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:08:56,012 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-24 20:08:56,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:08:56,012 INFO L85 PathProgramCache]: Analyzing trace with hash 1759895408, now seen corresponding path program 1 times [2024-10-24 20:08:56,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:08:56,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440104450] [2024-10-24 20:08:56,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:08:56,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:08:56,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:08:56,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [806034334] [2024-10-24 20:08:56,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:08:56,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:08:56,035 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:08:56,036 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:08:56,038 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-24 20:08:56,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:08:56,086 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 20:08:56,088 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:08:56,099 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-24 20:08:56,100 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:08:56,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:08:56,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440104450] [2024-10-24 20:08:56,100 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:08:56,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [806034334] [2024-10-24 20:08:56,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [806034334] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:08:56,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:08:56,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 20:08:56,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89630953] [2024-10-24 20:08:56,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:08:56,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 20:08:56,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:08:56,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 20:08:56,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 20:08:56,102 INFO L87 Difference]: Start difference. First operand 234 states and 283 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-24 20:08:56,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:08:56,211 INFO L93 Difference]: Finished difference Result 384 states and 481 transitions. [2024-10-24 20:08:56,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 20:08:56,211 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 36 [2024-10-24 20:08:56,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:08:56,215 INFO L225 Difference]: With dead ends: 384 [2024-10-24 20:08:56,215 INFO L226 Difference]: Without dead ends: 376 [2024-10-24 20:08:56,215 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 20:08:56,216 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 86 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:08:56,217 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 287 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:08:56,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2024-10-24 20:08:56,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 335. [2024-10-24 20:08:56,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 245 states have (on average 1.7061224489795919) internal successors, (418), 309 states have internal predecessors, (418), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-24 20:08:56,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 462 transitions. [2024-10-24 20:08:56,236 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 462 transitions. Word has length 36 [2024-10-24 20:08:56,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:08:56,236 INFO L471 AbstractCegarLoop]: Abstraction has 335 states and 462 transitions. [2024-10-24 20:08:56,236 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-24 20:08:56,237 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 462 transitions. [2024-10-24 20:08:56,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-10-24 20:08:56,237 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:08:56,239 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-24 20:08:56,255 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-24 20:08:56,439 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:08:56,440 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-24 20:08:56,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:08:56,440 INFO L85 PathProgramCache]: Analyzing trace with hash 585937629, now seen corresponding path program 1 times [2024-10-24 20:08:56,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:08:56,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033918989] [2024-10-24 20:08:56,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:08:56,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:08:56,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:08:56,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 20:08:56,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:08:56,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-24 20:08:56,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:08:56,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-24 20:08:56,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:08:56,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 20:08:56,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:08:56,522 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-24 20:08:56,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:08:56,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033918989] [2024-10-24 20:08:56,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033918989] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:08:56,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1597090923] [2024-10-24 20:08:56,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:08:56,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:08:56,523 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:08:56,524 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:08:56,527 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-24 20:08:56,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:08:56,578 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-24 20:08:56,579 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:08:56,755 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-24 20:08:56,755 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:08:56,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1597090923] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:08:56,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:08:56,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-10-24 20:08:56,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119980568] [2024-10-24 20:08:56,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:08:56,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:08:56,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:08:56,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:08:56,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-24 20:08:56,757 INFO L87 Difference]: Start difference. First operand 335 states and 462 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-24 20:08:58,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:08:58,235 INFO L93 Difference]: Finished difference Result 382 states and 484 transitions. [2024-10-24 20:08:58,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 20:08:58,236 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 37 [2024-10-24 20:08:58,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:08:58,239 INFO L225 Difference]: With dead ends: 382 [2024-10-24 20:08:58,239 INFO L226 Difference]: Without dead ends: 378 [2024-10-24 20:08:58,239 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-24 20:08:58,240 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 104 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-10-24 20:08:58,240 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 302 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-10-24 20:08:58,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2024-10-24 20:08:58,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 335. [2024-10-24 20:08:58,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 245 states have (on average 1.6816326530612244) internal successors, (412), 309 states have internal predecessors, (412), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-24 20:08:58,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 456 transitions. [2024-10-24 20:08:58,258 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 456 transitions. Word has length 37 [2024-10-24 20:08:58,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:08:58,259 INFO L471 AbstractCegarLoop]: Abstraction has 335 states and 456 transitions. [2024-10-24 20:08:58,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-24 20:08:58,259 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 456 transitions. [2024-10-24 20:08:58,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-10-24 20:08:58,260 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:08:58,261 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-24 20:08:58,277 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-10-24 20:08:58,461 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-10-24 20:08:58,462 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-24 20:08:58,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:08:58,462 INFO L85 PathProgramCache]: Analyzing trace with hash -957624910, now seen corresponding path program 1 times [2024-10-24 20:08:58,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:08:58,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285606512] [2024-10-24 20:08:58,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:08:58,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:08:58,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:08:58,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 20:08:58,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:08:58,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-24 20:08:58,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:08:58,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-24 20:08:58,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:08:58,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 20:08:58,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:08:58,585 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-24 20:08:58,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:08:58,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285606512] [2024-10-24 20:08:58,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285606512] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:08:58,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [411042596] [2024-10-24 20:08:58,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:08:58,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:08:58,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:08:58,588 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:08:58,590 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-24 20:08:58,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:08:58,635 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-24 20:08:58,636 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:08:58,714 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-24 20:08:58,714 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:08:58,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [411042596] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:08:58,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:08:58,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 10 [2024-10-24 20:08:58,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607514973] [2024-10-24 20:08:58,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:08:58,715 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 20:08:58,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:08:58,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 20:08:58,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-10-24 20:08:58,716 INFO L87 Difference]: Start difference. First operand 335 states and 456 transitions. Second operand has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-24 20:08:59,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:08:59,573 INFO L93 Difference]: Finished difference Result 399 states and 468 transitions. [2024-10-24 20:08:59,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 20:08:59,573 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 38 [2024-10-24 20:08:59,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:08:59,575 INFO L225 Difference]: With dead ends: 399 [2024-10-24 20:08:59,575 INFO L226 Difference]: Without dead ends: 398 [2024-10-24 20:08:59,575 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2024-10-24 20:08:59,576 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 479 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 484 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-24 20:08:59,576 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [484 Valid, 299 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-24 20:08:59,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2024-10-24 20:08:59,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 335. [2024-10-24 20:08:59,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 245 states have (on average 1.6775510204081632) internal successors, (411), 309 states have internal predecessors, (411), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-24 20:08:59,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 455 transitions. [2024-10-24 20:08:59,591 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 455 transitions. Word has length 38 [2024-10-24 20:08:59,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:08:59,592 INFO L471 AbstractCegarLoop]: Abstraction has 335 states and 455 transitions. [2024-10-24 20:08:59,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-24 20:08:59,592 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 455 transitions. [2024-10-24 20:08:59,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-10-24 20:08:59,592 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:08:59,592 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-24 20:08:59,608 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-10-24 20:08:59,793 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-10-24 20:08:59,793 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-24 20:08:59,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:08:59,793 INFO L85 PathProgramCache]: Analyzing trace with hash 378398948, now seen corresponding path program 1 times [2024-10-24 20:08:59,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:08:59,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304845098] [2024-10-24 20:08:59,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:08:59,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:08:59,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:08:59,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1197131974] [2024-10-24 20:08:59,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:08:59,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:08:59,804 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:08:59,805 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:08:59,807 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-24 20:08:59,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:08:59,857 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-24 20:08:59,858 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:08:59,910 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-24 20:08:59,911 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:08:59,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:08:59,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304845098] [2024-10-24 20:08:59,911 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:08:59,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1197131974] [2024-10-24 20:08:59,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1197131974] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:08:59,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:08:59,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 20:08:59,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354825442] [2024-10-24 20:08:59,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:08:59,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 20:08:59,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:08:59,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 20:08:59,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 20:08:59,912 INFO L87 Difference]: Start difference. First operand 335 states and 455 transitions. Second operand has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-24 20:09:00,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:09:00,604 INFO L93 Difference]: Finished difference Result 399 states and 467 transitions. [2024-10-24 20:09:00,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 20:09:00,605 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 39 [2024-10-24 20:09:00,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:09:00,606 INFO L225 Difference]: With dead ends: 399 [2024-10-24 20:09:00,607 INFO L226 Difference]: Without dead ends: 398 [2024-10-24 20:09:00,607 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-24 20:09:00,607 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 476 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 481 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-24 20:09:00,608 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [481 Valid, 300 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-24 20:09:00,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2024-10-24 20:09:00,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 335. [2024-10-24 20:09:00,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 245 states have (on average 1.6734693877551021) internal successors, (410), 309 states have internal predecessors, (410), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-24 20:09:00,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 454 transitions. [2024-10-24 20:09:00,620 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 454 transitions. Word has length 39 [2024-10-24 20:09:00,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:09:00,621 INFO L471 AbstractCegarLoop]: Abstraction has 335 states and 454 transitions. [2024-10-24 20:09:00,621 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-24 20:09:00,621 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 454 transitions. [2024-10-24 20:09:00,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-10-24 20:09:00,622 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:09:00,622 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-24 20:09:00,639 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-10-24 20:09:00,826 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-10-24 20:09:00,827 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr62ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-24 20:09:00,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:09:00,827 INFO L85 PathProgramCache]: Analyzing trace with hash -981947282, now seen corresponding path program 1 times [2024-10-24 20:09:00,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:09:00,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899817624] [2024-10-24 20:09:00,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:00,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:09:00,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:00,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 20:09:00,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:00,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-24 20:09:00,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:00,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-24 20:09:00,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:00,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 20:09:00,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:00,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 20:09:00,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:00,903 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-24 20:09:00,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:09:00,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899817624] [2024-10-24 20:09:00,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899817624] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:09:00,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1956994613] [2024-10-24 20:09:00,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:00,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:00,904 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:09:00,906 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:09:00,907 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-24 20:09:00,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:00,955 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-24 20:09:00,957 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:09:01,054 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-24 20:09:01,054 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:09:01,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1956994613] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:09:01,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:09:01,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-10-24 20:09:01,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763369052] [2024-10-24 20:09:01,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:09:01,055 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:09:01,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:09:01,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:09:01,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-24 20:09:01,056 INFO L87 Difference]: Start difference. First operand 335 states and 454 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-24 20:09:01,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:09:01,400 INFO L93 Difference]: Finished difference Result 364 states and 466 transitions. [2024-10-24 20:09:01,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 20:09:01,401 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 43 [2024-10-24 20:09:01,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:09:01,402 INFO L225 Difference]: With dead ends: 364 [2024-10-24 20:09:01,402 INFO L226 Difference]: Without dead ends: 362 [2024-10-24 20:09:01,403 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-24 20:09:01,403 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 259 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 268 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 20:09:01,403 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [268 Valid, 213 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 20:09:01,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2024-10-24 20:09:01,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 336. [2024-10-24 20:09:01,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 336 states, 246 states have (on average 1.6626016260162602) internal successors, (409), 309 states have internal predecessors, (409), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-24 20:09:01,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 453 transitions. [2024-10-24 20:09:01,420 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 453 transitions. Word has length 43 [2024-10-24 20:09:01,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:09:01,421 INFO L471 AbstractCegarLoop]: Abstraction has 336 states and 453 transitions. [2024-10-24 20:09:01,421 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-24 20:09:01,421 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 453 transitions. [2024-10-24 20:09:01,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-10-24 20:09:01,422 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:09:01,422 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-24 20:09:01,439 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-10-24 20:09:01,622 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-10-24 20:09:01,624 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr63ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-24 20:09:01,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:09:01,625 INFO L85 PathProgramCache]: Analyzing trace with hash -375594463, now seen corresponding path program 1 times [2024-10-24 20:09:01,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:09:01,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78909943] [2024-10-24 20:09:01,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:01,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:09:01,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:01,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 20:09:01,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:01,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-24 20:09:01,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:01,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-24 20:09:01,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:01,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 20:09:01,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:01,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 20:09:01,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:01,705 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-24 20:09:01,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:09:01,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78909943] [2024-10-24 20:09:01,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78909943] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:09:01,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [758286481] [2024-10-24 20:09:01,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:01,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:01,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:09:01,707 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:09:01,709 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-24 20:09:01,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:01,756 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-24 20:09:01,757 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:09:01,829 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-24 20:09:01,830 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:09:01,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [758286481] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:09:01,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:09:01,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-10-24 20:09:01,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321590861] [2024-10-24 20:09:01,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:09:01,831 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:09:01,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:09:01,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:09:01,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-24 20:09:01,831 INFO L87 Difference]: Start difference. First operand 336 states and 453 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, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-24 20:09:02,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:09:02,136 INFO L93 Difference]: Finished difference Result 364 states and 463 transitions. [2024-10-24 20:09:02,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 20:09:02,137 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, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 44 [2024-10-24 20:09:02,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:09:02,139 INFO L225 Difference]: With dead ends: 364 [2024-10-24 20:09:02,139 INFO L226 Difference]: Without dead ends: 362 [2024-10-24 20:09:02,139 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-24 20:09:02,140 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 257 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 20:09:02,140 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 213 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 20:09:02,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2024-10-24 20:09:02,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 337. [2024-10-24 20:09:02,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 337 states, 247 states have (on average 1.6518218623481782) internal successors, (408), 310 states have internal predecessors, (408), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-24 20:09:02,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 452 transitions. [2024-10-24 20:09:02,156 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 452 transitions. Word has length 44 [2024-10-24 20:09:02,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:09:02,157 INFO L471 AbstractCegarLoop]: Abstraction has 337 states and 452 transitions. [2024-10-24 20:09:02,157 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, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-24 20:09:02,157 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 452 transitions. [2024-10-24 20:09:02,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-10-24 20:09:02,157 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:09:02,157 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-24 20:09:02,175 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-10-24 20:09:02,362 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-10-24 20:09:02,363 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr64ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-24 20:09:02,363 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:09:02,363 INFO L85 PathProgramCache]: Analyzing trace with hash 1241473744, now seen corresponding path program 1 times [2024-10-24 20:09:02,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:09:02,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316836366] [2024-10-24 20:09:02,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:02,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:09:02,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:02,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 20:09:02,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:02,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-24 20:09:02,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:02,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-24 20:09:02,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:02,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 20:09:02,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:02,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 20:09:02,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:02,437 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-24 20:09:02,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:09:02,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316836366] [2024-10-24 20:09:02,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316836366] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:09:02,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [63075182] [2024-10-24 20:09:02,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:02,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:02,438 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:09:02,440 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:09:02,441 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-24 20:09:02,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:02,489 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 20:09:02,490 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:09:02,522 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-24 20:09:02,522 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:09:02,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [63075182] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:09:02,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:09:02,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 7 [2024-10-24 20:09:02,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099217290] [2024-10-24 20:09:02,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:09:02,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 20:09:02,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:09:02,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 20:09:02,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-24 20:09:02,526 INFO L87 Difference]: Start difference. First operand 337 states and 452 transitions. Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-24 20:09:02,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:09:02,656 INFO L93 Difference]: Finished difference Result 378 states and 470 transitions. [2024-10-24 20:09:02,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 20:09:02,658 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 45 [2024-10-24 20:09:02,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:09:02,659 INFO L225 Difference]: With dead ends: 378 [2024-10-24 20:09:02,659 INFO L226 Difference]: Without dead ends: 374 [2024-10-24 20:09:02,660 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-24 20:09:02,660 INFO L432 NwaCegarLoop]: 155 mSDtfsCounter, 81 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:09:02,661 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 299 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:09:02,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2024-10-24 20:09:02,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 339. [2024-10-24 20:09:02,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 249 states have (on average 1.6305220883534137) internal successors, (406), 312 states have internal predecessors, (406), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-24 20:09:02,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 450 transitions. [2024-10-24 20:09:02,685 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 450 transitions. Word has length 45 [2024-10-24 20:09:02,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:09:02,685 INFO L471 AbstractCegarLoop]: Abstraction has 339 states and 450 transitions. [2024-10-24 20:09:02,685 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-24 20:09:02,685 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 450 transitions. [2024-10-24 20:09:02,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-10-24 20:09:02,686 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:09:02,686 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-24 20:09:02,703 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-10-24 20:09:02,886 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-10-24 20:09:02,887 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr66ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-24 20:09:02,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:09:02,887 INFO L85 PathProgramCache]: Analyzing trace with hash -944633550, now seen corresponding path program 1 times [2024-10-24 20:09:02,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:09:02,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414761176] [2024-10-24 20:09:02,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:02,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:09:02,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:02,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 20:09:02,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:02,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-24 20:09:02,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:02,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-24 20:09:02,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:02,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 20:09:02,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:02,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 20:09:02,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:02,966 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-24 20:09:02,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:09:02,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414761176] [2024-10-24 20:09:02,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414761176] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:09:02,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1884751303] [2024-10-24 20:09:02,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:02,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:02,967 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:09:02,969 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) [2024-10-24 20:09:02,971 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-24 20:09:03,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:03,016 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-24 20:09:03,017 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:09:03,069 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-24 20:09:03,069 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:09:03,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1884751303] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:09:03,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:09:03,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-10-24 20:09:03,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971807378] [2024-10-24 20:09:03,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:09:03,070 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:09:03,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:09:03,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:09:03,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-24 20:09:03,071 INFO L87 Difference]: Start difference. First operand 339 states and 450 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-24 20:09:03,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:09:03,533 INFO L93 Difference]: Finished difference Result 376 states and 464 transitions. [2024-10-24 20:09:03,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 20:09:03,534 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 47 [2024-10-24 20:09:03,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:09:03,536 INFO L225 Difference]: With dead ends: 376 [2024-10-24 20:09:03,536 INFO L226 Difference]: Without dead ends: 374 [2024-10-24 20:09:03,536 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-24 20:09:03,537 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 142 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 310 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 [2024-10-24 20:09:03,537 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 310 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 20:09:03,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2024-10-24 20:09:03,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 340. [2024-10-24 20:09:03,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 340 states, 250 states have (on average 1.62) internal successors, (405), 313 states have internal predecessors, (405), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-24 20:09:03,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 449 transitions. [2024-10-24 20:09:03,553 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 449 transitions. Word has length 47 [2024-10-24 20:09:03,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:09:03,555 INFO L471 AbstractCegarLoop]: Abstraction has 340 states and 449 transitions. [2024-10-24 20:09:03,555 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-24 20:09:03,555 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 449 transitions. [2024-10-24 20:09:03,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-10-24 20:09:03,556 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:09:03,556 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-24 20:09:03,574 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-10-24 20:09:03,756 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:03,757 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr67ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-24 20:09:03,757 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:09:03,757 INFO L85 PathProgramCache]: Analyzing trace with hash 781131237, now seen corresponding path program 1 times [2024-10-24 20:09:03,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:09:03,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324524052] [2024-10-24 20:09:03,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:03,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:09:03,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:03,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 20:09:03,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:03,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-24 20:09:03,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:03,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-24 20:09:03,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:03,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 20:09:03,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:03,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 20:09:03,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:03,834 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-24 20:09:03,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:09:03,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324524052] [2024-10-24 20:09:03,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324524052] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:09:03,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1933138754] [2024-10-24 20:09:03,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:03,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:03,835 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:09:03,837 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) [2024-10-24 20:09:03,838 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-10-24 20:09:03,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:03,884 INFO L255 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-24 20:09:03,885 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:09:04,067 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-24 20:09:04,068 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:09:04,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1933138754] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:09:04,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:09:04,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-10-24 20:09:04,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070454620] [2024-10-24 20:09:04,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:09:04,069 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:09:04,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:09:04,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:09:04,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-24 20:09:04,070 INFO L87 Difference]: Start difference. First operand 340 states and 449 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-24 20:09:04,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:09:04,561 INFO L93 Difference]: Finished difference Result 376 states and 461 transitions. [2024-10-24 20:09:04,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 20:09:04,562 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), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 48 [2024-10-24 20:09:04,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:09:04,563 INFO L225 Difference]: With dead ends: 376 [2024-10-24 20:09:04,563 INFO L226 Difference]: Without dead ends: 357 [2024-10-24 20:09:04,563 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-24 20:09:04,564 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 140 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 20:09:04,564 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 314 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 20:09:04,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2024-10-24 20:09:04,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 324. [2024-10-24 20:09:04,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 236 states have (on average 1.6440677966101696) internal successors, (388), 299 states have internal predecessors, (388), 21 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-10-24 20:09:04,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 430 transitions. [2024-10-24 20:09:04,577 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 430 transitions. Word has length 48 [2024-10-24 20:09:04,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:09:04,578 INFO L471 AbstractCegarLoop]: Abstraction has 324 states and 430 transitions. [2024-10-24 20:09:04,578 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), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-24 20:09:04,578 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 430 transitions. [2024-10-24 20:09:04,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-10-24 20:09:04,580 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:09:04,580 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-24 20:09:04,597 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-10-24 20:09:04,780 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:04,781 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-24 20:09:04,781 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:09:04,781 INFO L85 PathProgramCache]: Analyzing trace with hash 499684166, now seen corresponding path program 1 times [2024-10-24 20:09:04,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:09:04,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783704548] [2024-10-24 20:09:04,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:04,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:09:04,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:09:04,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1527964274] [2024-10-24 20:09:04,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:04,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:04,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:09:04,808 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) [2024-10-24 20:09:04,811 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-10-24 20:09:04,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:04,860 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-24 20:09:04,861 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:09:04,963 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-24 20:09:04,963 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:09:04,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:09:04,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783704548] [2024-10-24 20:09:04,963 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:09:04,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1527964274] [2024-10-24 20:09:04,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1527964274] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:09:04,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:09:04,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 20:09:04,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843149406] [2024-10-24 20:09:04,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:09:04,964 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:09:04,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:09:04,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:09:04,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:09:04,964 INFO L87 Difference]: Start difference. First operand 324 states and 430 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, (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) [2024-10-24 20:09:05,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:09:05,261 INFO L93 Difference]: Finished difference Result 349 states and 451 transitions. [2024-10-24 20:09:05,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 20:09:05,261 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, (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 59 [2024-10-24 20:09:05,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:09:05,263 INFO L225 Difference]: With dead ends: 349 [2024-10-24 20:09:05,263 INFO L226 Difference]: Without dead ends: 348 [2024-10-24 20:09:05,263 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:09:05,263 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 221 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 20:09:05,264 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [228 Valid, 171 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 20:09:05,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2024-10-24 20:09:05,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 324. [2024-10-24 20:09:05,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 236 states have (on average 1.6398305084745763) internal successors, (387), 299 states have internal predecessors, (387), 21 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-10-24 20:09:05,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 429 transitions. [2024-10-24 20:09:05,276 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 429 transitions. Word has length 59 [2024-10-24 20:09:05,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:09:05,277 INFO L471 AbstractCegarLoop]: Abstraction has 324 states and 429 transitions. [2024-10-24 20:09:05,277 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, (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) [2024-10-24 20:09:05,277 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 429 transitions. [2024-10-24 20:09:05,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-10-24 20:09:05,278 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:09:05,278 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-10-24 20:09:05,295 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-10-24 20:09:05,478 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:05,479 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-24 20:09:05,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:09:05,479 INFO L85 PathProgramCache]: Analyzing trace with hash 29219433, now seen corresponding path program 1 times [2024-10-24 20:09:05,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:09:05,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094770547] [2024-10-24 20:09:05,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:05,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:09:05,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:09:05,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [528602411] [2024-10-24 20:09:05,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:05,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:05,497 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:09:05,499 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) [2024-10-24 20:09:05,500 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-10-24 20:09:05,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:05,551 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-24 20:09:05,552 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:09:05,713 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-24 20:09:05,713 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:09:05,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:09:05,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094770547] [2024-10-24 20:09:05,713 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:09:05,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [528602411] [2024-10-24 20:09:05,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [528602411] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:09:05,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:09:05,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 20:09:05,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165580271] [2024-10-24 20:09:05,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:09:05,714 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:09:05,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:09:05,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:09:05,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:09:05,714 INFO L87 Difference]: Start difference. First operand 324 states and 429 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (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) [2024-10-24 20:09:06,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:09:06,139 INFO L93 Difference]: Finished difference Result 351 states and 450 transitions. [2024-10-24 20:09:06,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 20:09:06,140 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (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 69 [2024-10-24 20:09:06,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:09:06,141 INFO L225 Difference]: With dead ends: 351 [2024-10-24 20:09:06,141 INFO L226 Difference]: Without dead ends: 350 [2024-10-24 20:09:06,142 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:09:06,142 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 46 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 20:09:06,142 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 346 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 20:09:06,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2024-10-24 20:09:06,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 324. [2024-10-24 20:09:06,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 236 states have (on average 1.63135593220339) internal successors, (385), 299 states have internal predecessors, (385), 21 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-10-24 20:09:06,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 427 transitions. [2024-10-24 20:09:06,157 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 427 transitions. Word has length 69 [2024-10-24 20:09:06,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:09:06,157 INFO L471 AbstractCegarLoop]: Abstraction has 324 states and 427 transitions. [2024-10-24 20:09:06,157 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (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) [2024-10-24 20:09:06,157 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 427 transitions. [2024-10-24 20:09:06,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-10-24 20:09:06,158 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:09:06,158 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-10-24 20:09:06,175 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-10-24 20:09:06,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:06,359 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-24 20:09:06,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:09:06,359 INFO L85 PathProgramCache]: Analyzing trace with hash 905802544, now seen corresponding path program 1 times [2024-10-24 20:09:06,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:09:06,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142099707] [2024-10-24 20:09:06,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:06,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:09:06,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:09:06,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1983844553] [2024-10-24 20:09:06,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:06,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:06,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:09:06,408 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) [2024-10-24 20:09:06,409 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-10-24 20:09:06,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:06,464 INFO L255 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-24 20:09:06,465 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:09:07,653 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-24 20:09:07,654 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:09:07,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:09:07,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142099707] [2024-10-24 20:09:07,654 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:09:07,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1983844553] [2024-10-24 20:09:07,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1983844553] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:09:07,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:09:07,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 20:09:07,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289629568] [2024-10-24 20:09:07,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:09:07,655 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:09:07,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:09:07,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:09:07,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=5, Unknown=1, NotChecked=0, Total=12 [2024-10-24 20:09:07,656 INFO L87 Difference]: Start difference. First operand 324 states and 427 transitions. Second operand has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 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) [2024-10-24 20:09:11,661 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-10-24 20:09:13,612 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-10-24 20:09:14,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:09:14,894 INFO L93 Difference]: Finished difference Result 351 states and 448 transitions. [2024-10-24 20:09:14,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 20:09:14,895 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 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 70 [2024-10-24 20:09:14,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:09:14,898 INFO L225 Difference]: With dead ends: 351 [2024-10-24 20:09:14,898 INFO L226 Difference]: Without dead ends: 350 [2024-10-24 20:09:14,899 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=6, Invalid=5, Unknown=1, NotChecked=0, Total=12 [2024-10-24 20:09:14,899 INFO L432 NwaCegarLoop]: 130 mSDtfsCounter, 90 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2024-10-24 20:09:14,899 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 237 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 92 Invalid, 4 Unknown, 0 Unchecked, 7.2s Time] [2024-10-24 20:09:14,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2024-10-24 20:09:14,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 324. [2024-10-24 20:09:14,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 236 states have (on average 1.6228813559322033) internal successors, (383), 299 states have internal predecessors, (383), 21 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-10-24 20:09:14,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 425 transitions. [2024-10-24 20:09:14,915 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 425 transitions. Word has length 70 [2024-10-24 20:09:14,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:09:14,916 INFO L471 AbstractCegarLoop]: Abstraction has 324 states and 425 transitions. [2024-10-24 20:09:14,916 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 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) [2024-10-24 20:09:14,916 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 425 transitions. [2024-10-24 20:09:14,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-10-24 20:09:14,916 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:09:14,917 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-10-24 20:09:14,934 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-10-24 20:09:15,121 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:15,122 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-24 20:09:15,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:09:15,124 INFO L85 PathProgramCache]: Analyzing trace with hash -1984892085, now seen corresponding path program 1 times [2024-10-24 20:09:15,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:09:15,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316386413] [2024-10-24 20:09:15,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:15,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:09:15,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:09:15,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [393908598] [2024-10-24 20:09:15,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:15,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:15,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:09:15,143 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) [2024-10-24 20:09:15,147 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-10-24 20:09:15,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:15,197 INFO L255 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-24 20:09:15,198 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:09:15,263 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-24 20:09:15,263 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:09:15,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:09:15,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316386413] [2024-10-24 20:09:15,264 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:09:15,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [393908598] [2024-10-24 20:09:15,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [393908598] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:09:15,264 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:09:15,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 20:09:15,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121127636] [2024-10-24 20:09:15,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:09:15,267 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:09:15,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:09:15,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:09:15,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:09:15,267 INFO L87 Difference]: Start difference. First operand 324 states and 425 transitions. Second operand has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 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) [2024-10-24 20:09:15,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:09:15,700 INFO L93 Difference]: Finished difference Result 344 states and 436 transitions. [2024-10-24 20:09:15,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 20:09:15,700 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 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 71 [2024-10-24 20:09:15,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:09:15,701 INFO L225 Difference]: With dead ends: 344 [2024-10-24 20:09:15,701 INFO L226 Difference]: Without dead ends: 342 [2024-10-24 20:09:15,701 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:09:15,702 INFO L432 NwaCegarLoop]: 151 mSDtfsCounter, 98 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 20:09:15,702 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 283 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 20:09:15,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2024-10-24 20:09:15,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 324. [2024-10-24 20:09:15,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 236 states have (on average 1.6059322033898304) internal successors, (379), 299 states have internal predecessors, (379), 21 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-10-24 20:09:15,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 421 transitions. [2024-10-24 20:09:15,715 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 421 transitions. Word has length 71 [2024-10-24 20:09:15,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:09:15,715 INFO L471 AbstractCegarLoop]: Abstraction has 324 states and 421 transitions. [2024-10-24 20:09:15,715 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 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) [2024-10-24 20:09:15,715 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 421 transitions. [2024-10-24 20:09:15,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-10-24 20:09:15,716 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:09:15,716 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-10-24 20:09:15,732 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-10-24 20:09:15,920 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:15,920 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-24 20:09:15,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:09:15,921 INFO L85 PathProgramCache]: Analyzing trace with hash -1402112366, now seen corresponding path program 1 times [2024-10-24 20:09:15,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:09:15,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442877771] [2024-10-24 20:09:15,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:15,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:09:15,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:09:15,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1878143280] [2024-10-24 20:09:15,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:15,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:15,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:09:15,934 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) [2024-10-24 20:09:15,939 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-10-24 20:09:15,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:15,995 INFO L255 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-24 20:09:15,997 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:09:16,118 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-24 20:09:16,118 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:09:16,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:09:16,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442877771] [2024-10-24 20:09:16,119 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:09:16,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1878143280] [2024-10-24 20:09:16,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1878143280] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:09:16,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:09:16,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 20:09:16,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788439061] [2024-10-24 20:09:16,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:09:16,120 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:09:16,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:09:16,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:09:16,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:09:16,121 INFO L87 Difference]: Start difference. First operand 324 states and 421 transitions. Second operand has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 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) [2024-10-24 20:09:16,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:09:16,540 INFO L93 Difference]: Finished difference Result 344 states and 432 transitions. [2024-10-24 20:09:16,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 20:09:16,541 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 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 72 [2024-10-24 20:09:16,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:09:16,542 INFO L225 Difference]: With dead ends: 344 [2024-10-24 20:09:16,543 INFO L226 Difference]: Without dead ends: 342 [2024-10-24 20:09:16,543 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:09:16,543 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 97 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 20:09:16,543 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 286 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 20:09:16,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2024-10-24 20:09:16,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 324. [2024-10-24 20:09:16,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 236 states have (on average 1.5889830508474576) internal successors, (375), 299 states have internal predecessors, (375), 21 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-10-24 20:09:16,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 417 transitions. [2024-10-24 20:09:16,561 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 417 transitions. Word has length 72 [2024-10-24 20:09:16,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:09:16,561 INFO L471 AbstractCegarLoop]: Abstraction has 324 states and 417 transitions. [2024-10-24 20:09:16,561 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 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) [2024-10-24 20:09:16,562 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 417 transitions. [2024-10-24 20:09:16,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-10-24 20:09:16,562 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:09:16,562 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-10-24 20:09:16,579 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-10-24 20:09:16,763 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,SelfDestructingSolverStorable23 [2024-10-24 20:09:16,763 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-24 20:09:16,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:09:16,763 INFO L85 PathProgramCache]: Analyzing trace with hash 1810505201, now seen corresponding path program 1 times [2024-10-24 20:09:16,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:09:16,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713419531] [2024-10-24 20:09:16,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:16,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:09:16,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:09:16,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1408397773] [2024-10-24 20:09:16,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:16,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:16,776 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:09:16,782 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) [2024-10-24 20:09:16,784 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-10-24 20:09:16,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:16,841 INFO L255 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-24 20:09:16,842 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:09:17,003 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-10-24 20:09:17,004 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:09:17,227 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-10-24 20:09:17,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:09:17,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713419531] [2024-10-24 20:09:17,228 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:09:17,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1408397773] [2024-10-24 20:09:17,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1408397773] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:09:17,228 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 20:09:17,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-10-24 20:09:17,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081534214] [2024-10-24 20:09:17,229 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 20:09:17,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 20:09:17,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:09:17,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 20:09:17,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-10-24 20:09:17,230 INFO L87 Difference]: Start difference. First operand 324 states and 417 transitions. Second operand has 9 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 3 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (13), 5 states have call predecessors, (13), 3 states have call successors, (13) [2024-10-24 20:09:18,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:09:18,008 INFO L93 Difference]: Finished difference Result 346 states and 419 transitions. [2024-10-24 20:09:18,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 20:09:18,009 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 3 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (13), 5 states have call predecessors, (13), 3 states have call successors, (13) Word has length 77 [2024-10-24 20:09:18,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:09:18,011 INFO L225 Difference]: With dead ends: 346 [2024-10-24 20:09:18,013 INFO L226 Difference]: Without dead ends: 345 [2024-10-24 20:09:18,014 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 144 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-10-24 20:09:18,014 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 193 mSDsluCounter, 445 mSDsCounter, 0 mSdLazyCounter, 530 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 550 SdHoareTripleChecker+Invalid, 534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 530 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-24 20:09:18,017 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 550 Invalid, 534 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 530 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-24 20:09:18,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2024-10-24 20:09:18,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 324. [2024-10-24 20:09:18,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 236 states have (on average 1.576271186440678) internal successors, (372), 299 states have internal predecessors, (372), 21 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-10-24 20:09:18,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 414 transitions. [2024-10-24 20:09:18,038 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 414 transitions. Word has length 77 [2024-10-24 20:09:18,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:09:18,040 INFO L471 AbstractCegarLoop]: Abstraction has 324 states and 414 transitions. [2024-10-24 20:09:18,041 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 3 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (13), 5 states have call predecessors, (13), 3 states have call successors, (13) [2024-10-24 20:09:18,041 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 414 transitions. [2024-10-24 20:09:18,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-10-24 20:09:18,042 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:09:18,042 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-10-24 20:09:18,058 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-10-24 20:09:18,246 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,SelfDestructingSolverStorable24 [2024-10-24 20:09:18,247 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-24 20:09:18,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:09:18,247 INFO L85 PathProgramCache]: Analyzing trace with hash 291086520, now seen corresponding path program 1 times [2024-10-24 20:09:18,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:09:18,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450137868] [2024-10-24 20:09:18,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:18,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:09:18,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:09:18,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [68250777] [2024-10-24 20:09:18,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:18,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:18,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:09:18,260 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) [2024-10-24 20:09:18,261 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-10-24 20:09:18,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:18,317 INFO L255 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-24 20:09:18,319 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:09:18,569 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-10-24 20:09:18,569 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:09:19,275 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-10-24 20:09:19,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:09:19,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450137868] [2024-10-24 20:09:19,275 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:09:19,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [68250777] [2024-10-24 20:09:19,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [68250777] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:09:19,276 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 20:09:19,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-10-24 20:09:19,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728391992] [2024-10-24 20:09:19,276 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 20:09:19,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-24 20:09:19,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:09:19,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-24 20:09:19,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-10-24 20:09:19,277 INFO L87 Difference]: Start difference. First operand 324 states and 414 transitions. Second operand has 11 states, 8 states have (on average 12.125) internal successors, (97), 9 states have internal predecessors, (97), 4 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 6 states have call predecessors, (14), 4 states have call successors, (14) [2024-10-24 20:09:20,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:09:20,596 INFO L93 Difference]: Finished difference Result 346 states and 416 transitions. [2024-10-24 20:09:20,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 20:09:20,597 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 8 states have (on average 12.125) internal successors, (97), 9 states have internal predecessors, (97), 4 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 6 states have call predecessors, (14), 4 states have call successors, (14) Word has length 78 [2024-10-24 20:09:20,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:09:20,598 INFO L225 Difference]: With dead ends: 346 [2024-10-24 20:09:20,598 INFO L226 Difference]: Without dead ends: 345 [2024-10-24 20:09:20,599 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 144 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2024-10-24 20:09:20,599 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 209 mSDsluCounter, 473 mSDsCounter, 0 mSdLazyCounter, 599 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 578 SdHoareTripleChecker+Invalid, 606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 599 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-24 20:09:20,599 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 578 Invalid, 606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 599 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-24 20:09:20,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2024-10-24 20:09:20,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 324. [2024-10-24 20:09:20,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 236 states have (on average 1.5635593220338984) internal successors, (369), 299 states have internal predecessors, (369), 21 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-10-24 20:09:20,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 411 transitions. [2024-10-24 20:09:20,616 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 411 transitions. Word has length 78 [2024-10-24 20:09:20,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:09:20,616 INFO L471 AbstractCegarLoop]: Abstraction has 324 states and 411 transitions. [2024-10-24 20:09:20,616 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 8 states have (on average 12.125) internal successors, (97), 9 states have internal predecessors, (97), 4 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 6 states have call predecessors, (14), 4 states have call successors, (14) [2024-10-24 20:09:20,616 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 411 transitions. [2024-10-24 20:09:20,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-10-24 20:09:20,618 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:09:20,618 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-10-24 20:09:20,635 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-10-24 20:09:20,818 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-10-24 20:09:20,819 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-24 20:09:20,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:09:20,819 INFO L85 PathProgramCache]: Analyzing trace with hash 433747667, now seen corresponding path program 1 times [2024-10-24 20:09:20,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:09:20,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262416276] [2024-10-24 20:09:20,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:20,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:09:20,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:09:20,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1895186920] [2024-10-24 20:09:20,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:20,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:20,831 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:09:20,834 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) [2024-10-24 20:09:20,835 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-10-24 20:09:20,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:20,887 INFO L255 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-24 20:09:20,889 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:09:21,241 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-10-24 20:09:21,242 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:09:25,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:09:25,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262416276] [2024-10-24 20:09:25,927 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:09:25,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1895186920] [2024-10-24 20:09:25,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1895186920] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:09:25,927 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:09:25,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-10-24 20:09:25,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542886720] [2024-10-24 20:09:25,927 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-24 20:09:25,928 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 20:09:25,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:09:25,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 20:09:25,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=63, Unknown=1, NotChecked=0, Total=90 [2024-10-24 20:09:25,928 INFO L87 Difference]: Start difference. First operand 324 states and 411 transitions. Second operand has 8 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-24 20:09:26,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:09:26,540 INFO L93 Difference]: Finished difference Result 343 states and 422 transitions. [2024-10-24 20:09:26,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 20:09:26,540 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 79 [2024-10-24 20:09:26,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:09:26,542 INFO L225 Difference]: With dead ends: 343 [2024-10-24 20:09:26,542 INFO L226 Difference]: Without dead ends: 340 [2024-10-24 20:09:26,542 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=26, Invalid=63, Unknown=1, NotChecked=0, Total=90 [2024-10-24 20:09:26,543 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 192 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 644 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 401 SdHoareTripleChecker+Invalid, 647 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 644 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-24 20:09:26,543 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 401 Invalid, 647 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 644 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-24 20:09:26,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2024-10-24 20:09:26,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 324. [2024-10-24 20:09:26,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 236 states have (on average 1.5381355932203389) internal successors, (363), 299 states have internal predecessors, (363), 21 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-10-24 20:09:26,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 405 transitions. [2024-10-24 20:09:26,557 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 405 transitions. Word has length 79 [2024-10-24 20:09:26,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:09:26,558 INFO L471 AbstractCegarLoop]: Abstraction has 324 states and 405 transitions. [2024-10-24 20:09:26,558 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-24 20:09:26,558 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 405 transitions. [2024-10-24 20:09:26,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-10-24 20:09:26,559 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:09:26,559 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1] [2024-10-24 20:09:26,575 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-10-24 20:09:26,759 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:26,760 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-24 20:09:26,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:09:26,760 INFO L85 PathProgramCache]: Analyzing trace with hash 561275930, now seen corresponding path program 1 times [2024-10-24 20:09:26,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:09:26,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320969382] [2024-10-24 20:09:26,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:26,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:09:26,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:09:26,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2053627139] [2024-10-24 20:09:26,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:26,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:26,773 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:09:26,775 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) [2024-10-24 20:09:26,775 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-10-24 20:09:26,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:26,822 INFO L255 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-10-24 20:09:26,823 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:09:27,346 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-10-24 20:09:27,346 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:09:27,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:09:27,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320969382] [2024-10-24 20:09:27,552 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:09:27,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2053627139] [2024-10-24 20:09:27,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2053627139] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:09:27,553 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:09:27,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-10-24 20:09:27,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207142906] [2024-10-24 20:09:27,553 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-24 20:09:27,553 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 20:09:27,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:09:27,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 20:09:27,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-24 20:09:27,554 INFO L87 Difference]: Start difference. First operand 324 states and 405 transitions. Second operand has 7 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-24 20:09:28,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:09:28,553 INFO L93 Difference]: Finished difference Result 331 states and 406 transitions. [2024-10-24 20:09:28,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 20:09:28,554 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 80 [2024-10-24 20:09:28,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:09:28,556 INFO L225 Difference]: With dead ends: 331 [2024-10-24 20:09:28,556 INFO L226 Difference]: Without dead ends: 328 [2024-10-24 20:09:28,556 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-24 20:09:28,556 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 153 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 495 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-24 20:09:28,557 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 289 Invalid, 498 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 495 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-24 20:09:28,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2024-10-24 20:09:28,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 324. [2024-10-24 20:09:28,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 236 states have (on average 1.5127118644067796) internal successors, (357), 299 states have internal predecessors, (357), 21 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-10-24 20:09:28,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 399 transitions. [2024-10-24 20:09:28,570 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 399 transitions. Word has length 80 [2024-10-24 20:09:28,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:09:28,571 INFO L471 AbstractCegarLoop]: Abstraction has 324 states and 399 transitions. [2024-10-24 20:09:28,571 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-24 20:09:28,571 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 399 transitions. [2024-10-24 20:09:28,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-10-24 20:09:28,572 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:09:28,572 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-10-24 20:09:28,589 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-10-24 20:09:28,772 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,SelfDestructingSolverStorable27 [2024-10-24 20:09:28,773 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-24 20:09:28,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:09:28,773 INFO L85 PathProgramCache]: Analyzing trace with hash -2100544102, now seen corresponding path program 1 times [2024-10-24 20:09:28,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:09:28,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484259070] [2024-10-24 20:09:28,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:28,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:09:28,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:28,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 20:09:28,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:28,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-24 20:09:28,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:28,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-24 20:09:28,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:28,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 20:09:28,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:28,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 20:09:28,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:28,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-24 20:09:28,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:28,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 20:09:28,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:28,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 20:09:28,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:28,852 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-10-24 20:09:28,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:09:28,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484259070] [2024-10-24 20:09:28,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1484259070] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:09:28,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:09:28,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 20:09:28,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215638376] [2024-10-24 20:09:28,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:09:28,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 20:09:28,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:09:28,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 20:09:28,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 20:09:28,854 INFO L87 Difference]: Start difference. First operand 324 states and 399 transitions. Second operand has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-10-24 20:09:28,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:09:28,953 INFO L93 Difference]: Finished difference Result 324 states and 399 transitions. [2024-10-24 20:09:28,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 20:09:28,954 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 93 [2024-10-24 20:09:28,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:09:28,955 INFO L225 Difference]: With dead ends: 324 [2024-10-24 20:09:28,955 INFO L226 Difference]: Without dead ends: 323 [2024-10-24 20:09:28,956 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 20:09:28,956 INFO L432 NwaCegarLoop]: 163 mSDtfsCounter, 1 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 296 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 [2024-10-24 20:09:28,956 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 296 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:09:28,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2024-10-24 20:09:28,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 323. [2024-10-24 20:09:28,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 236 states have (on average 1.4957627118644068) internal successors, (353), 298 states have internal predecessors, (353), 21 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-10-24 20:09:28,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 395 transitions. [2024-10-24 20:09:28,976 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 395 transitions. Word has length 93 [2024-10-24 20:09:28,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:09:28,977 INFO L471 AbstractCegarLoop]: Abstraction has 323 states and 395 transitions. [2024-10-24 20:09:28,977 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-10-24 20:09:28,977 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 395 transitions. [2024-10-24 20:09:28,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-10-24 20:09:28,978 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:09:28,978 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-10-24 20:09:28,978 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-10-24 20:09:28,980 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-24 20:09:28,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:09:28,981 INFO L85 PathProgramCache]: Analyzing trace with hash -692357559, now seen corresponding path program 1 times [2024-10-24 20:09:28,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:09:28,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419847434] [2024-10-24 20:09:28,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:28,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:09:28,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:29,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 20:09:29,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:29,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-24 20:09:29,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:29,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-24 20:09:29,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:29,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 20:09:29,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:29,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 20:09:29,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:29,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-24 20:09:29,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:29,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 20:09:29,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:29,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 20:09:29,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:29,092 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-10-24 20:09:29,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:09:29,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419847434] [2024-10-24 20:09:29,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419847434] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:09:29,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:09:29,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 20:09:29,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20921809] [2024-10-24 20:09:29,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:09:29,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 20:09:29,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:09:29,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 20:09:29,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 20:09:29,097 INFO L87 Difference]: Start difference. First operand 323 states and 395 transitions. Second operand has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 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) [2024-10-24 20:09:30,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:09:30,160 INFO L93 Difference]: Finished difference Result 331 states and 399 transitions. [2024-10-24 20:09:30,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 20:09:30,160 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 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 94 [2024-10-24 20:09:30,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:09:30,162 INFO L225 Difference]: With dead ends: 331 [2024-10-24 20:09:30,162 INFO L226 Difference]: Without dead ends: 330 [2024-10-24 20:09:30,162 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-24 20:09:30,162 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 306 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 328 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 311 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 348 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-24 20:09:30,163 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [311 Valid, 218 Invalid, 348 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 328 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-24 20:09:30,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2024-10-24 20:09:30,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 323. [2024-10-24 20:09:30,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 236 states have (on average 1.4915254237288136) internal successors, (352), 298 states have internal predecessors, (352), 21 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-10-24 20:09:30,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 394 transitions. [2024-10-24 20:09:30,177 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 394 transitions. Word has length 94 [2024-10-24 20:09:30,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:09:30,177 INFO L471 AbstractCegarLoop]: Abstraction has 323 states and 394 transitions. [2024-10-24 20:09:30,177 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 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) [2024-10-24 20:09:30,177 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 394 transitions. [2024-10-24 20:09:30,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-24 20:09:30,178 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:09:30,178 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-10-24 20:09:30,178 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-10-24 20:09:30,178 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-24 20:09:30,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:09:30,179 INFO L85 PathProgramCache]: Analyzing trace with hash 362782761, now seen corresponding path program 1 times [2024-10-24 20:09:30,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:09:30,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612865849] [2024-10-24 20:09:30,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:30,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:09:30,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:30,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 20:09:30,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:30,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-24 20:09:30,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:30,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-24 20:09:30,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:30,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 20:09:30,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:30,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 20:09:30,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:30,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-24 20:09:30,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:30,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 20:09:30,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:30,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 20:09:30,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:30,359 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-10-24 20:09:30,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:09:30,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612865849] [2024-10-24 20:09:30,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612865849] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:09:30,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:09:30,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 20:09:30,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879295403] [2024-10-24 20:09:30,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:09:30,360 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 20:09:30,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:09:30,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 20:09:30,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-24 20:09:30,361 INFO L87 Difference]: Start difference. First operand 323 states and 394 transitions. Second operand has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-24 20:09:31,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:09:31,163 INFO L93 Difference]: Finished difference Result 339 states and 405 transitions. [2024-10-24 20:09:31,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 20:09:31,164 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), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 96 [2024-10-24 20:09:31,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:09:31,165 INFO L225 Difference]: With dead ends: 339 [2024-10-24 20:09:31,165 INFO L226 Difference]: Without dead ends: 338 [2024-10-24 20:09:31,165 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-24 20:09:31,166 INFO L432 NwaCegarLoop]: 158 mSDtfsCounter, 15 mSDsluCounter, 380 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 538 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 [2024-10-24 20:09:31,166 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 538 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-24 20:09:31,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2024-10-24 20:09:31,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 328. [2024-10-24 20:09:31,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 328 states, 241 states have (on average 1.4813278008298756) internal successors, (357), 303 states have internal predecessors, (357), 21 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-10-24 20:09:31,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 399 transitions. [2024-10-24 20:09:31,181 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 399 transitions. Word has length 96 [2024-10-24 20:09:31,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:09:31,182 INFO L471 AbstractCegarLoop]: Abstraction has 328 states and 399 transitions. [2024-10-24 20:09:31,182 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), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-24 20:09:31,182 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 399 transitions. [2024-10-24 20:09:31,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-10-24 20:09:31,183 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:09:31,183 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-10-24 20:09:31,183 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-10-24 20:09:31,184 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-24 20:09:31,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:09:31,184 INFO L85 PathProgramCache]: Analyzing trace with hash -1638636118, now seen corresponding path program 1 times [2024-10-24 20:09:31,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:09:31,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165870368] [2024-10-24 20:09:31,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:31,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:09:31,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:09:31,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1404188689] [2024-10-24 20:09:31,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:31,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:31,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:09:31,206 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) [2024-10-24 20:09:31,208 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-10-24 20:09:31,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:31,269 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-24 20:09:31,270 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:09:31,430 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-10-24 20:09:31,430 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:09:31,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:09:31,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165870368] [2024-10-24 20:09:31,430 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:09:31,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1404188689] [2024-10-24 20:09:31,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1404188689] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:09:31,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:09:31,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 20:09:31,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017531418] [2024-10-24 20:09:31,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:09:31,431 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:09:31,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:09:31,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:09:31,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:09:31,431 INFO L87 Difference]: Start difference. First operand 328 states and 399 transitions. Second operand has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-24 20:09:31,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:09:31,674 INFO L93 Difference]: Finished difference Result 339 states and 403 transitions. [2024-10-24 20:09:31,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 20:09:31,674 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 97 [2024-10-24 20:09:31,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:09:31,675 INFO L225 Difference]: With dead ends: 339 [2024-10-24 20:09:31,675 INFO L226 Difference]: Without dead ends: 338 [2024-10-24 20:09:31,675 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 20:09:31,676 INFO L432 NwaCegarLoop]: 139 mSDtfsCounter, 17 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 20:09:31,676 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 328 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 20:09:31,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2024-10-24 20:09:31,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 330. [2024-10-24 20:09:31,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 243 states have (on average 1.477366255144033) internal successors, (359), 305 states have internal predecessors, (359), 21 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-10-24 20:09:31,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 401 transitions. [2024-10-24 20:09:31,693 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 401 transitions. Word has length 97 [2024-10-24 20:09:31,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:09:31,693 INFO L471 AbstractCegarLoop]: Abstraction has 330 states and 401 transitions. [2024-10-24 20:09:31,693 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-24 20:09:31,694 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 401 transitions. [2024-10-24 20:09:31,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-10-24 20:09:31,694 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:09:31,694 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1] [2024-10-24 20:09:31,712 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2024-10-24 20:09:31,898 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,SelfDestructingSolverStorable31 [2024-10-24 20:09:31,899 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-24 20:09:31,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:09:31,900 INFO L85 PathProgramCache]: Analyzing trace with hash 133311324, now seen corresponding path program 1 times [2024-10-24 20:09:31,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:09:31,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487998693] [2024-10-24 20:09:31,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:31,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:09:31,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:32,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 20:09:32,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:32,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-24 20:09:32,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:32,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-24 20:09:32,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:32,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 20:09:32,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:32,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 20:09:32,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:32,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-24 20:09:32,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:32,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 20:09:32,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:32,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 20:09:32,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:32,034 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-10-24 20:09:32,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:09:32,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487998693] [2024-10-24 20:09:32,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487998693] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:09:32,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [904371168] [2024-10-24 20:09:32,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:32,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:32,035 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:09:32,037 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) [2024-10-24 20:09:32,038 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-10-24 20:09:32,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:32,097 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-24 20:09:32,099 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:09:32,221 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-10-24 20:09:32,222 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:09:32,341 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-10-24 20:09:32,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [904371168] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:09:32,342 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 20:09:32,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 7] total 16 [2024-10-24 20:09:32,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046735852] [2024-10-24 20:09:32,342 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 20:09:32,342 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-24 20:09:32,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:09:32,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-24 20:09:32,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=203, Unknown=0, NotChecked=0, Total=272 [2024-10-24 20:09:32,343 INFO L87 Difference]: Start difference. First operand 330 states and 401 transitions. Second operand has 17 states, 16 states have (on average 8.75) internal successors, (140), 17 states have internal predecessors, (140), 5 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 5 states have call predecessors, (24), 5 states have call successors, (24) [2024-10-24 20:09:32,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:09:32,553 INFO L93 Difference]: Finished difference Result 836 states and 982 transitions. [2024-10-24 20:09:32,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-24 20:09:32,554 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 8.75) internal successors, (140), 17 states have internal predecessors, (140), 5 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 5 states have call predecessors, (24), 5 states have call successors, (24) Word has length 99 [2024-10-24 20:09:32,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:09:32,556 INFO L225 Difference]: With dead ends: 836 [2024-10-24 20:09:32,556 INFO L226 Difference]: Without dead ends: 632 [2024-10-24 20:09:32,557 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 163 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=197, Invalid=615, Unknown=0, NotChecked=0, Total=812 [2024-10-24 20:09:32,557 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 361 mSDsluCounter, 1081 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 361 SdHoareTripleChecker+Valid, 1235 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:09:32,558 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [361 Valid, 1235 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:09:32,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 632 states. [2024-10-24 20:09:32,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 632 to 526. [2024-10-24 20:09:32,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 526 states, 421 states have (on average 1.4394299287410925) internal successors, (606), 484 states have internal predecessors, (606), 34 states have call successors, (34), 8 states have call predecessors, (34), 8 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-10-24 20:09:32,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 674 transitions. [2024-10-24 20:09:32,586 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 674 transitions. Word has length 99 [2024-10-24 20:09:32,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:09:32,586 INFO L471 AbstractCegarLoop]: Abstraction has 526 states and 674 transitions. [2024-10-24 20:09:32,586 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 8.75) internal successors, (140), 17 states have internal predecessors, (140), 5 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 5 states have call predecessors, (24), 5 states have call successors, (24) [2024-10-24 20:09:32,586 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 674 transitions. [2024-10-24 20:09:32,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-10-24 20:09:32,587 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:09:32,587 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-10-24 20:09:32,603 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-10-24 20:09:32,787 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2024-10-24 20:09:32,788 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-24 20:09:32,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:09:32,788 INFO L85 PathProgramCache]: Analyzing trace with hash -10125203, now seen corresponding path program 1 times [2024-10-24 20:09:32,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:09:32,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641773196] [2024-10-24 20:09:32,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:32,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:09:32,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:32,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 20:09:32,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:32,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-24 20:09:32,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:32,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-24 20:09:32,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:32,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 20:09:32,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:32,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 20:09:32,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:32,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-24 20:09:32,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:32,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 20:09:32,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:32,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 20:09:32,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:32,977 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-10-24 20:09:32,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:09:32,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641773196] [2024-10-24 20:09:32,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641773196] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:09:32,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:09:32,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 20:09:32,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250939051] [2024-10-24 20:09:32,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:09:32,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 20:09:32,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:09:32,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 20:09:32,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-24 20:09:32,979 INFO L87 Difference]: Start difference. First operand 526 states and 674 transitions. Second operand has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-24 20:09:33,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:09:33,245 INFO L93 Difference]: Finished difference Result 541 states and 682 transitions. [2024-10-24 20:09:33,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 20:09:33,246 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 100 [2024-10-24 20:09:33,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:09:33,247 INFO L225 Difference]: With dead ends: 541 [2024-10-24 20:09:33,248 INFO L226 Difference]: Without dead ends: 540 [2024-10-24 20:09:33,248 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-24 20:09:33,248 INFO L432 NwaCegarLoop]: 160 mSDtfsCounter, 18 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 455 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 20:09:33,248 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 455 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 20:09:33,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2024-10-24 20:09:33,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 529. [2024-10-24 20:09:33,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 529 states, 424 states have (on average 1.4386792452830188) internal successors, (610), 487 states have internal predecessors, (610), 34 states have call successors, (34), 8 states have call predecessors, (34), 8 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-10-24 20:09:33,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 678 transitions. [2024-10-24 20:09:33,274 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 678 transitions. Word has length 100 [2024-10-24 20:09:33,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:09:33,275 INFO L471 AbstractCegarLoop]: Abstraction has 529 states and 678 transitions. [2024-10-24 20:09:33,275 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-24 20:09:33,275 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 678 transitions. [2024-10-24 20:09:33,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-10-24 20:09:33,275 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:09:33,276 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1] [2024-10-24 20:09:33,276 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-10-24 20:09:33,276 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-24 20:09:33,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:09:33,276 INFO L85 PathProgramCache]: Analyzing trace with hash -736834018, now seen corresponding path program 1 times [2024-10-24 20:09:33,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:09:33,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803247023] [2024-10-24 20:09:33,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:33,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:09:33,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:09:33,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1902157151] [2024-10-24 20:09:33,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:33,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:33,296 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:09:33,298 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) [2024-10-24 20:09:33,300 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-10-24 20:09:33,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:33,363 INFO L255 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-24 20:09:33,365 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:09:33,562 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-10-24 20:09:33,562 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:09:33,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:09:33,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803247023] [2024-10-24 20:09:33,642 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:09:33,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1902157151] [2024-10-24 20:09:33,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1902157151] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:09:33,642 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:09:33,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-10-24 20:09:33,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583909532] [2024-10-24 20:09:33,643 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-24 20:09:33,643 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 20:09:33,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:09:33,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 20:09:33,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-10-24 20:09:33,644 INFO L87 Difference]: Start difference. First operand 529 states and 678 transitions. Second operand has 8 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-24 20:09:34,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:09:34,054 INFO L93 Difference]: Finished difference Result 533 states and 678 transitions. [2024-10-24 20:09:34,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 20:09:34,054 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) Word has length 101 [2024-10-24 20:09:34,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:09:34,057 INFO L225 Difference]: With dead ends: 533 [2024-10-24 20:09:34,057 INFO L226 Difference]: Without dead ends: 531 [2024-10-24 20:09:34,064 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2024-10-24 20:09:34,065 INFO L432 NwaCegarLoop]: 116 mSDtfsCounter, 223 mSDsluCounter, 354 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 470 SdHoareTripleChecker+Invalid, 484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 20:09:34,065 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [228 Valid, 470 Invalid, 484 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 473 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 20:09:34,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states. [2024-10-24 20:09:34,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 529. [2024-10-24 20:09:34,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 529 states, 424 states have (on average 1.4245283018867925) internal successors, (604), 487 states have internal predecessors, (604), 34 states have call successors, (34), 8 states have call predecessors, (34), 8 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-10-24 20:09:34,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 672 transitions. [2024-10-24 20:09:34,093 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 672 transitions. Word has length 101 [2024-10-24 20:09:34,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:09:34,093 INFO L471 AbstractCegarLoop]: Abstraction has 529 states and 672 transitions. [2024-10-24 20:09:34,093 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-24 20:09:34,093 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 672 transitions. [2024-10-24 20:09:34,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-10-24 20:09:34,094 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:09:34,094 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1] [2024-10-24 20:09:34,110 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2024-10-24 20:09:34,298 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2024-10-24 20:09:34,298 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-24 20:09:34,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:09:34,299 INFO L85 PathProgramCache]: Analyzing trace with hash -313881106, now seen corresponding path program 1 times [2024-10-24 20:09:34,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:09:34,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488310256] [2024-10-24 20:09:34,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:34,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:09:34,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:09:34,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1748518307] [2024-10-24 20:09:34,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:34,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:34,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:09:34,321 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) [2024-10-24 20:09:34,326 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-10-24 20:09:34,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:34,385 INFO L255 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-24 20:09:34,387 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:09:34,540 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-10-24 20:09:34,540 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:09:34,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:09:34,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488310256] [2024-10-24 20:09:34,541 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:09:34,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1748518307] [2024-10-24 20:09:34,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1748518307] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:09:34,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:09:34,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 20:09:34,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096810982] [2024-10-24 20:09:34,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:09:34,542 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 20:09:34,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:09:34,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 20:09:34,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-24 20:09:34,543 INFO L87 Difference]: Start difference. First operand 529 states and 672 transitions. Second operand has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 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) [2024-10-24 20:09:34,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:09:34,823 INFO L93 Difference]: Finished difference Result 538 states and 675 transitions. [2024-10-24 20:09:34,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 20:09:34,823 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 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 101 [2024-10-24 20:09:34,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:09:34,825 INFO L225 Difference]: With dead ends: 538 [2024-10-24 20:09:34,825 INFO L226 Difference]: Without dead ends: 537 [2024-10-24 20:09:34,825 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-24 20:09:34,826 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 62 mSDsluCounter, 387 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 537 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 20:09:34,826 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 537 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 20:09:34,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2024-10-24 20:09:34,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 531. [2024-10-24 20:09:34,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 531 states, 426 states have (on average 1.4225352112676057) internal successors, (606), 489 states have internal predecessors, (606), 34 states have call successors, (34), 8 states have call predecessors, (34), 8 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-10-24 20:09:34,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 531 states and 674 transitions. [2024-10-24 20:09:34,855 INFO L78 Accepts]: Start accepts. Automaton has 531 states and 674 transitions. Word has length 101 [2024-10-24 20:09:34,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:09:34,856 INFO L471 AbstractCegarLoop]: Abstraction has 531 states and 674 transitions. [2024-10-24 20:09:34,856 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 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) [2024-10-24 20:09:34,856 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 674 transitions. [2024-10-24 20:09:34,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-10-24 20:09:34,856 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:09:34,857 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-10-24 20:09:34,869 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2024-10-24 20:09:35,057 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:35,057 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-24 20:09:35,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:09:35,058 INFO L85 PathProgramCache]: Analyzing trace with hash -1367017996, now seen corresponding path program 1 times [2024-10-24 20:09:35,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:09:35,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849606776] [2024-10-24 20:09:35,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:35,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:09:35,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:09:35,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [432171206] [2024-10-24 20:09:35,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:35,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:35,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:09:35,082 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) [2024-10-24 20:09:35,083 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-10-24 20:09:35,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:35,173 INFO L255 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-24 20:09:35,175 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:09:35,455 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-10-24 20:09:35,455 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:09:35,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:09:35,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849606776] [2024-10-24 20:09:35,776 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:09:35,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [432171206] [2024-10-24 20:09:35,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [432171206] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:09:35,777 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:09:35,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-10-24 20:09:35,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31221932] [2024-10-24 20:09:35,777 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-24 20:09:35,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 20:09:35,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:09:35,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 20:09:35,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-10-24 20:09:35,779 INFO L87 Difference]: Start difference. First operand 531 states and 674 transitions. Second operand has 9 states, 7 states have (on average 10.142857142857142) internal successors, (71), 8 states have internal predecessors, (71), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-24 20:09:36,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:09:36,249 INFO L93 Difference]: Finished difference Result 535 states and 674 transitions. [2024-10-24 20:09:36,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 20:09:36,250 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 10.142857142857142) internal successors, (71), 8 states have internal predecessors, (71), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) Word has length 102 [2024-10-24 20:09:36,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:09:36,252 INFO L225 Difference]: With dead ends: 535 [2024-10-24 20:09:36,252 INFO L226 Difference]: Without dead ends: 533 [2024-10-24 20:09:36,252 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2024-10-24 20:09:36,252 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 529 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 573 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 534 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 573 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 20:09:36,252 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [534 Valid, 521 Invalid, 607 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 573 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 20:09:36,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 533 states. [2024-10-24 20:09:36,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 533 to 531. [2024-10-24 20:09:36,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 531 states, 426 states have (on average 1.4178403755868545) internal successors, (604), 489 states have internal predecessors, (604), 34 states have call successors, (34), 8 states have call predecessors, (34), 8 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-10-24 20:09:36,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 531 states and 672 transitions. [2024-10-24 20:09:36,285 INFO L78 Accepts]: Start accepts. Automaton has 531 states and 672 transitions. Word has length 102 [2024-10-24 20:09:36,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:09:36,285 INFO L471 AbstractCegarLoop]: Abstraction has 531 states and 672 transitions. [2024-10-24 20:09:36,285 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 10.142857142857142) internal successors, (71), 8 states have internal predecessors, (71), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-24 20:09:36,285 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 672 transitions. [2024-10-24 20:09:36,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-10-24 20:09:36,285 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:09:36,286 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-10-24 20:09:36,301 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2024-10-24 20:09:36,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-10-24 20:09:36,486 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-24 20:09:36,486 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:09:36,487 INFO L85 PathProgramCache]: Analyzing trace with hash 572115168, now seen corresponding path program 1 times [2024-10-24 20:09:36,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:09:36,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889694023] [2024-10-24 20:09:36,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:36,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:09:36,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:36,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 20:09:36,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:36,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-24 20:09:36,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:36,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-24 20:09:36,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:36,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 20:09:36,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:36,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 20:09:36,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:36,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-24 20:09:36,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:36,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 20:09:36,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:36,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 20:09:36,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:36,600 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-10-24 20:09:36,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:09:36,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889694023] [2024-10-24 20:09:36,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [889694023] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:09:36,601 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:09:36,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 20:09:36,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686962005] [2024-10-24 20:09:36,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:09:36,602 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 20:09:36,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:09:36,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 20:09:36,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 20:09:36,603 INFO L87 Difference]: Start difference. First operand 531 states and 672 transitions. Second operand has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-10-24 20:09:37,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:09:37,308 INFO L93 Difference]: Finished difference Result 567 states and 675 transitions. [2024-10-24 20:09:37,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 20:09:37,308 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 103 [2024-10-24 20:09:37,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:09:37,310 INFO L225 Difference]: With dead ends: 567 [2024-10-24 20:09:37,311 INFO L226 Difference]: Without dead ends: 566 [2024-10-24 20:09:37,311 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-24 20:09:37,311 INFO L432 NwaCegarLoop]: 205 mSDtfsCounter, 136 mSDsluCounter, 393 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 598 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-24 20:09:37,311 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 598 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-24 20:09:37,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 566 states. [2024-10-24 20:09:37,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 566 to 531. [2024-10-24 20:09:37,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 531 states, 426 states have (on average 1.408450704225352) internal successors, (600), 489 states have internal predecessors, (600), 34 states have call successors, (34), 8 states have call predecessors, (34), 8 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-10-24 20:09:37,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 531 states and 668 transitions. [2024-10-24 20:09:37,336 INFO L78 Accepts]: Start accepts. Automaton has 531 states and 668 transitions. Word has length 103 [2024-10-24 20:09:37,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:09:37,336 INFO L471 AbstractCegarLoop]: Abstraction has 531 states and 668 transitions. [2024-10-24 20:09:37,337 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-10-24 20:09:37,337 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 668 transitions. [2024-10-24 20:09:37,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-10-24 20:09:37,337 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:09:37,337 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-10-24 20:09:37,337 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-10-24 20:09:37,338 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-24 20:09:37,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:09:37,338 INFO L85 PathProgramCache]: Analyzing trace with hash -992030544, now seen corresponding path program 1 times [2024-10-24 20:09:37,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:09:37,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393363940] [2024-10-24 20:09:37,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:37,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:09:37,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:37,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 20:09:37,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:37,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-24 20:09:37,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:37,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-24 20:09:37,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:37,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 20:09:37,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:37,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 20:09:37,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:37,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-24 20:09:37,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:37,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 20:09:37,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:37,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 20:09:37,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:37,481 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-10-24 20:09:37,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:09:37,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393363940] [2024-10-24 20:09:37,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1393363940] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:09:37,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1598905253] [2024-10-24 20:09:37,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:37,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:37,482 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:09:37,484 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) [2024-10-24 20:09:37,485 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-10-24 20:09:37,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:37,547 INFO L255 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-24 20:09:37,549 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:09:37,669 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-10-24 20:09:37,669 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:09:37,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1598905253] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:09:37,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:09:37,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 10 [2024-10-24 20:09:37,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373563410] [2024-10-24 20:09:37,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:09:37,670 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 20:09:37,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:09:37,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 20:09:37,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-10-24 20:09:37,671 INFO L87 Difference]: Start difference. First operand 531 states and 668 transitions. Second operand has 8 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-24 20:09:37,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:09:37,780 INFO L93 Difference]: Finished difference Result 531 states and 668 transitions. [2024-10-24 20:09:37,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 20:09:37,784 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 103 [2024-10-24 20:09:37,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:09:37,786 INFO L225 Difference]: With dead ends: 531 [2024-10-24 20:09:37,786 INFO L226 Difference]: Without dead ends: 529 [2024-10-24 20:09:37,786 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2024-10-24 20:09:37,787 INFO L432 NwaCegarLoop]: 153 mSDtfsCounter, 96 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 476 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:09:37,787 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 476 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:09:37,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2024-10-24 20:09:37,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 529. [2024-10-24 20:09:37,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 529 states, 426 states have (on average 1.3943661971830985) internal successors, (594), 487 states have internal predecessors, (594), 34 states have call successors, (34), 8 states have call predecessors, (34), 8 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-10-24 20:09:37,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 662 transitions. [2024-10-24 20:09:37,817 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 662 transitions. Word has length 103 [2024-10-24 20:09:37,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:09:37,817 INFO L471 AbstractCegarLoop]: Abstraction has 529 states and 662 transitions. [2024-10-24 20:09:37,818 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-24 20:09:37,818 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 662 transitions. [2024-10-24 20:09:37,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-10-24 20:09:37,818 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:09:37,818 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:09:37,837 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2024-10-24 20:09:38,018 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,SelfDestructingSolverStorable38 [2024-10-24 20:09:38,019 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-24 20:09:38,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:09:38,019 INFO L85 PathProgramCache]: Analyzing trace with hash 555701110, now seen corresponding path program 1 times [2024-10-24 20:09:38,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:09:38,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536252211] [2024-10-24 20:09:38,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:38,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:09:38,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:09:38,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1732432058] [2024-10-24 20:09:38,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:38,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:38,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:09:38,039 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) [2024-10-24 20:09:38,044 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-10-24 20:09:38,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:38,094 INFO L255 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-10-24 20:09:38,096 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:09:38,259 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-10-24 20:09:38,259 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:09:38,429 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-10-24 20:09:38,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:09:38,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536252211] [2024-10-24 20:09:38,430 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:09:38,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1732432058] [2024-10-24 20:09:38,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1732432058] provided 1 perfect and 1 imperfect interpolant sequences [2024-10-24 20:09:38,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:09:38,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 10 [2024-10-24 20:09:38,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205186779] [2024-10-24 20:09:38,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:09:38,430 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 20:09:38,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:09:38,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 20:09:38,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-10-24 20:09:38,431 INFO L87 Difference]: Start difference. First operand 529 states and 662 transitions. Second operand has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 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) [2024-10-24 20:09:39,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:09:39,389 INFO L93 Difference]: Finished difference Result 536 states and 663 transitions. [2024-10-24 20:09:39,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 20:09:39,389 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 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 104 [2024-10-24 20:09:39,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:09:39,391 INFO L225 Difference]: With dead ends: 536 [2024-10-24 20:09:39,391 INFO L226 Difference]: Without dead ends: 535 [2024-10-24 20:09:39,392 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 196 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2024-10-24 20:09:39,395 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 250 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 330 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-24 20:09:39,396 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 313 Invalid, 345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 330 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-24 20:09:39,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 535 states. [2024-10-24 20:09:39,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 535 to 529. [2024-10-24 20:09:39,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 529 states, 426 states have (on average 1.3849765258215962) internal successors, (590), 487 states have internal predecessors, (590), 34 states have call successors, (34), 8 states have call predecessors, (34), 8 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-10-24 20:09:39,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 658 transitions. [2024-10-24 20:09:39,426 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 658 transitions. Word has length 104 [2024-10-24 20:09:39,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:09:39,426 INFO L471 AbstractCegarLoop]: Abstraction has 529 states and 658 transitions. [2024-10-24 20:09:39,426 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 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) [2024-10-24 20:09:39,426 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 658 transitions. [2024-10-24 20:09:39,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-10-24 20:09:39,427 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:09:39,427 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:09:39,443 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2024-10-24 20:09:39,627 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,SelfDestructingSolverStorable39 [2024-10-24 20:09:39,628 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-24 20:09:39,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:09:39,628 INFO L85 PathProgramCache]: Analyzing trace with hash 88081325, now seen corresponding path program 1 times [2024-10-24 20:09:39,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:09:39,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182786152] [2024-10-24 20:09:39,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:39,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:09:39,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:39,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 20:09:39,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:39,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-24 20:09:39,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:39,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-24 20:09:39,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:39,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 20:09:39,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:39,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 20:09:39,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:39,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-24 20:09:39,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:39,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 20:09:39,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:39,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 20:09:39,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:39,773 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-10-24 20:09:39,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:09:39,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182786152] [2024-10-24 20:09:39,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182786152] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:09:39,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1697421665] [2024-10-24 20:09:39,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:39,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:39,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:09:39,776 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) [2024-10-24 20:09:39,777 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-10-24 20:09:39,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:39,842 INFO L255 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-24 20:09:39,844 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:09:39,962 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-10-24 20:09:39,962 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:09:40,104 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-10-24 20:09:40,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1697421665] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:09:40,105 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 20:09:40,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 8] total 15 [2024-10-24 20:09:40,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694765135] [2024-10-24 20:09:40,105 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 20:09:40,106 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-24 20:09:40,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:09:40,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-24 20:09:40,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2024-10-24 20:09:40,107 INFO L87 Difference]: Start difference. First operand 529 states and 658 transitions. Second operand has 15 states, 15 states have (on average 10.066666666666666) internal successors, (151), 15 states have internal predecessors, (151), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-10-24 20:09:40,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:09:40,296 INFO L93 Difference]: Finished difference Result 881 states and 1069 transitions. [2024-10-24 20:09:40,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-24 20:09:40,297 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 10.066666666666666) internal successors, (151), 15 states have internal predecessors, (151), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) Word has length 106 [2024-10-24 20:09:40,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:09:40,299 INFO L225 Difference]: With dead ends: 881 [2024-10-24 20:09:40,299 INFO L226 Difference]: Without dead ends: 673 [2024-10-24 20:09:40,300 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 219 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=136, Invalid=416, Unknown=0, NotChecked=0, Total=552 [2024-10-24 20:09:40,300 INFO L432 NwaCegarLoop]: 159 mSDtfsCounter, 146 mSDsluCounter, 1058 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 1217 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:09:40,301 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 1217 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:09:40,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 673 states. [2024-10-24 20:09:40,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 673 to 596. [2024-10-24 20:09:40,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 596 states, 488 states have (on average 1.415983606557377) internal successors, (691), 549 states have internal predecessors, (691), 38 states have call successors, (38), 9 states have call predecessors, (38), 9 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-10-24 20:09:40,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 767 transitions. [2024-10-24 20:09:40,341 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 767 transitions. Word has length 106 [2024-10-24 20:09:40,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:09:40,342 INFO L471 AbstractCegarLoop]: Abstraction has 596 states and 767 transitions. [2024-10-24 20:09:40,342 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 10.066666666666666) internal successors, (151), 15 states have internal predecessors, (151), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-10-24 20:09:40,342 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 767 transitions. [2024-10-24 20:09:40,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-10-24 20:09:40,343 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:09:40,343 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:09:40,361 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2024-10-24 20:09:40,547 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:40,548 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-24 20:09:40,548 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:09:40,548 INFO L85 PathProgramCache]: Analyzing trace with hash -1564448137, now seen corresponding path program 1 times [2024-10-24 20:09:40,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:09:40,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571126047] [2024-10-24 20:09:40,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:40,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:09:40,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:40,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 20:09:40,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:40,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-24 20:09:40,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:40,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-24 20:09:40,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:40,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 20:09:40,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:40,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 20:09:40,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:40,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-24 20:09:40,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:40,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 20:09:40,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:40,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 20:09:40,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:40,695 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-10-24 20:09:40,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:09:40,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571126047] [2024-10-24 20:09:40,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1571126047] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:09:40,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1073330985] [2024-10-24 20:09:40,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:40,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:40,696 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:09:40,698 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) [2024-10-24 20:09:40,699 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-10-24 20:09:40,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:40,770 INFO L255 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-24 20:09:40,772 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:09:40,843 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-10-24 20:09:40,844 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:09:40,963 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-10-24 20:09:40,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1073330985] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:09:40,963 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 20:09:40,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 9 [2024-10-24 20:09:40,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716308704] [2024-10-24 20:09:40,964 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 20:09:40,964 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 20:09:40,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:09:40,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 20:09:40,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-10-24 20:09:40,965 INFO L87 Difference]: Start difference. First operand 596 states and 767 transitions. Second operand has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 states have internal predecessors, (78), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2024-10-24 20:09:41,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:09:41,784 INFO L93 Difference]: Finished difference Result 1232 states and 1519 transitions. [2024-10-24 20:09:41,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-24 20:09:41,785 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 states have internal predecessors, (78), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) Word has length 107 [2024-10-24 20:09:41,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:09:41,788 INFO L225 Difference]: With dead ends: 1232 [2024-10-24 20:09:41,788 INFO L226 Difference]: Without dead ends: 1192 [2024-10-24 20:09:41,788 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 224 SyntacticMatches, 4 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=231, Unknown=0, NotChecked=0, Total=306 [2024-10-24 20:09:41,788 INFO L432 NwaCegarLoop]: 162 mSDtfsCounter, 814 mSDsluCounter, 835 mSDsCounter, 0 mSdLazyCounter, 906 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 819 SdHoareTripleChecker+Valid, 997 SdHoareTripleChecker+Invalid, 940 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 906 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-24 20:09:41,789 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [819 Valid, 997 Invalid, 940 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 906 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-24 20:09:41,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1192 states. [2024-10-24 20:09:41,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1192 to 840. [2024-10-24 20:09:41,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 840 states, 716 states have (on average 1.5279329608938548) internal successors, (1094), 777 states have internal predecessors, (1094), 54 states have call successors, (54), 9 states have call predecessors, (54), 9 states have return successors, (54), 53 states have call predecessors, (54), 54 states have call successors, (54) [2024-10-24 20:09:41,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 840 states and 1202 transitions. [2024-10-24 20:09:41,831 INFO L78 Accepts]: Start accepts. Automaton has 840 states and 1202 transitions. Word has length 107 [2024-10-24 20:09:41,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:09:41,832 INFO L471 AbstractCegarLoop]: Abstraction has 840 states and 1202 transitions. [2024-10-24 20:09:41,832 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 states have internal predecessors, (78), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2024-10-24 20:09:41,832 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states and 1202 transitions. [2024-10-24 20:09:41,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-10-24 20:09:41,833 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:09:41,833 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:09:41,849 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2024-10-24 20:09:42,037 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,SelfDestructingSolverStorable41 [2024-10-24 20:09:42,038 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-24 20:09:42,038 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:09:42,038 INFO L85 PathProgramCache]: Analyzing trace with hash 1623444000, now seen corresponding path program 1 times [2024-10-24 20:09:42,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:09:42,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351346459] [2024-10-24 20:09:42,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:42,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:09:42,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:42,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 20:09:42,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:42,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-24 20:09:42,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:42,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-24 20:09:42,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:42,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 20:09:42,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:42,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 20:09:42,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:42,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-24 20:09:42,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:42,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 20:09:42,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:42,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 20:09:42,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:42,236 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 10 proven. 11 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-10-24 20:09:42,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:09:42,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351346459] [2024-10-24 20:09:42,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351346459] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:09:42,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1088573518] [2024-10-24 20:09:42,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:42,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:42,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:09:42,239 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) [2024-10-24 20:09:42,240 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-10-24 20:09:42,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:42,305 INFO L255 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-24 20:09:42,307 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:09:42,527 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-10-24 20:09:42,528 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:09:42,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1088573518] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:09:42,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:09:42,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 16 [2024-10-24 20:09:42,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741317722] [2024-10-24 20:09:42,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:09:42,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 20:09:42,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:09:42,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 20:09:42,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2024-10-24 20:09:42,531 INFO L87 Difference]: Start difference. First operand 840 states and 1202 transitions. Second operand has 8 states, 7 states have (on average 11.285714285714286) internal successors, (79), 8 states have internal predecessors, (79), 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) [2024-10-24 20:09:44,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:09:44,815 INFO L93 Difference]: Finished difference Result 1483 states and 1991 transitions. [2024-10-24 20:09:44,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-24 20:09:44,815 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 11.285714285714286) internal successors, (79), 8 states have internal predecessors, (79), 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 113 [2024-10-24 20:09:44,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:09:44,820 INFO L225 Difference]: With dead ends: 1483 [2024-10-24 20:09:44,821 INFO L226 Difference]: Without dead ends: 1482 [2024-10-24 20:09:44,821 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=160, Invalid=710, Unknown=0, NotChecked=0, Total=870 [2024-10-24 20:09:44,822 INFO L432 NwaCegarLoop]: 211 mSDtfsCounter, 1034 mSDsluCounter, 814 mSDsCounter, 0 mSdLazyCounter, 968 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1039 SdHoareTripleChecker+Valid, 1025 SdHoareTripleChecker+Invalid, 1017 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 968 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-10-24 20:09:44,822 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1039 Valid, 1025 Invalid, 1017 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 968 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-10-24 20:09:44,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1482 states. [2024-10-24 20:09:44,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1482 to 1077. [2024-10-24 20:09:44,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1077 states, 937 states have (on average 1.5869797225186766) internal successors, (1487), 998 states have internal predecessors, (1487), 70 states have call successors, (70), 9 states have call predecessors, (70), 9 states have return successors, (70), 69 states have call predecessors, (70), 70 states have call successors, (70) [2024-10-24 20:09:44,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1077 states to 1077 states and 1627 transitions. [2024-10-24 20:09:44,877 INFO L78 Accepts]: Start accepts. Automaton has 1077 states and 1627 transitions. Word has length 113 [2024-10-24 20:09:44,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:09:44,878 INFO L471 AbstractCegarLoop]: Abstraction has 1077 states and 1627 transitions. [2024-10-24 20:09:44,878 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 11.285714285714286) internal successors, (79), 8 states have internal predecessors, (79), 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) [2024-10-24 20:09:44,878 INFO L276 IsEmpty]: Start isEmpty. Operand 1077 states and 1627 transitions. [2024-10-24 20:09:44,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-10-24 20:09:44,879 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:09:44,879 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:09:44,896 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2024-10-24 20:09:45,083 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:45,084 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-24 20:09:45,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:09:45,084 INFO L85 PathProgramCache]: Analyzing trace with hash -1212843466, now seen corresponding path program 1 times [2024-10-24 20:09:45,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:09:45,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707771186] [2024-10-24 20:09:45,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:45,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:09:45,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:09:45,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1458100993] [2024-10-24 20:09:45,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:45,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:45,118 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:09:45,120 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) [2024-10-24 20:09:45,123 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-10-24 20:09:45,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:45,182 INFO L255 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-24 20:09:45,183 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:09:45,293 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-10-24 20:09:45,293 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:09:45,430 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-10-24 20:09:45,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:09:45,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707771186] [2024-10-24 20:09:45,431 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:09:45,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1458100993] [2024-10-24 20:09:45,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1458100993] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:09:45,431 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 20:09:45,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-10-24 20:09:45,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398680465] [2024-10-24 20:09:45,432 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 20:09:45,432 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 20:09:45,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:09:45,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 20:09:45,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-10-24 20:09:45,433 INFO L87 Difference]: Start difference. First operand 1077 states and 1627 transitions. Second operand has 10 states, 9 states have (on average 17.11111111111111) internal successors, (154), 10 states have internal predecessors, (154), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-10-24 20:09:46,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:09:46,741 INFO L93 Difference]: Finished difference Result 1542 states and 2286 transitions. [2024-10-24 20:09:46,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-24 20:09:46,741 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 17.11111111111111) internal successors, (154), 10 states have internal predecessors, (154), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 114 [2024-10-24 20:09:46,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:09:46,745 INFO L225 Difference]: With dead ends: 1542 [2024-10-24 20:09:46,745 INFO L226 Difference]: Without dead ends: 1541 [2024-10-24 20:09:46,745 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 218 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=96, Invalid=210, Unknown=0, NotChecked=0, Total=306 [2024-10-24 20:09:46,746 INFO L432 NwaCegarLoop]: 206 mSDtfsCounter, 568 mSDsluCounter, 702 mSDsCounter, 0 mSdLazyCounter, 970 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 569 SdHoareTripleChecker+Valid, 908 SdHoareTripleChecker+Invalid, 999 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 970 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-24 20:09:46,746 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [569 Valid, 908 Invalid, 999 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 970 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-24 20:09:46,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1541 states. [2024-10-24 20:09:46,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1541 to 1254. [2024-10-24 20:09:46,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1254 states, 1102 states have (on average 1.6098003629764066) internal successors, (1774), 1163 states have internal predecessors, (1774), 82 states have call successors, (82), 9 states have call predecessors, (82), 9 states have return successors, (82), 81 states have call predecessors, (82), 82 states have call successors, (82) [2024-10-24 20:09:46,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1254 states to 1254 states and 1938 transitions. [2024-10-24 20:09:46,804 INFO L78 Accepts]: Start accepts. Automaton has 1254 states and 1938 transitions. Word has length 114 [2024-10-24 20:09:46,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:09:46,804 INFO L471 AbstractCegarLoop]: Abstraction has 1254 states and 1938 transitions. [2024-10-24 20:09:46,804 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 17.11111111111111) internal successors, (154), 10 states have internal predecessors, (154), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-10-24 20:09:46,804 INFO L276 IsEmpty]: Start isEmpty. Operand 1254 states and 1938 transitions. [2024-10-24 20:09:46,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-10-24 20:09:46,805 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:09:46,805 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:09:46,817 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2024-10-24 20:09:47,005 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2024-10-24 20:09:47,006 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-24 20:09:47,006 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:09:47,006 INFO L85 PathProgramCache]: Analyzing trace with hash -223082845, now seen corresponding path program 1 times [2024-10-24 20:09:47,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:09:47,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941137061] [2024-10-24 20:09:47,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:47,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:09:47,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:09:47,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [849692322] [2024-10-24 20:09:47,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:47,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:47,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:09:47,025 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) [2024-10-24 20:09:47,026 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-10-24 20:09:47,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:47,097 INFO L255 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-24 20:09:47,099 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:09:47,555 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-10-24 20:09:47,556 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:09:47,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:09:47,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941137061] [2024-10-24 20:09:47,649 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:09:47,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [849692322] [2024-10-24 20:09:47,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [849692322] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:09:47,649 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:09:47,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-10-24 20:09:47,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372188527] [2024-10-24 20:09:47,649 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-24 20:09:47,650 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 20:09:47,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:09:47,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 20:09:47,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-10-24 20:09:47,650 INFO L87 Difference]: Start difference. First operand 1254 states and 1938 transitions. Second operand has 10 states, 8 states have (on average 10.5) internal successors, (84), 9 states have internal predecessors, (84), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2024-10-24 20:09:48,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:09:48,643 INFO L93 Difference]: Finished difference Result 1335 states and 2038 transitions. [2024-10-24 20:09:48,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-24 20:09:48,644 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 10.5) internal successors, (84), 9 states have internal predecessors, (84), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) Word has length 120 [2024-10-24 20:09:48,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:09:48,648 INFO L225 Difference]: With dead ends: 1335 [2024-10-24 20:09:48,648 INFO L226 Difference]: Without dead ends: 1334 [2024-10-24 20:09:48,649 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=260, Unknown=0, NotChecked=0, Total=342 [2024-10-24 20:09:48,649 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 455 mSDsluCounter, 475 mSDsCounter, 0 mSdLazyCounter, 1005 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 460 SdHoareTripleChecker+Valid, 578 SdHoareTripleChecker+Invalid, 1030 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1005 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-24 20:09:48,649 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [460 Valid, 578 Invalid, 1030 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1005 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-24 20:09:48,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1334 states. [2024-10-24 20:09:48,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1334 to 1303. [2024-10-24 20:09:48,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1303 states, 1147 states have (on average 1.6172624237140367) internal successors, (1855), 1208 states have internal predecessors, (1855), 86 states have call successors, (86), 9 states have call predecessors, (86), 9 states have return successors, (86), 85 states have call predecessors, (86), 86 states have call successors, (86) [2024-10-24 20:09:48,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1303 states to 1303 states and 2027 transitions. [2024-10-24 20:09:48,714 INFO L78 Accepts]: Start accepts. Automaton has 1303 states and 2027 transitions. Word has length 120 [2024-10-24 20:09:48,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:09:48,714 INFO L471 AbstractCegarLoop]: Abstraction has 1303 states and 2027 transitions. [2024-10-24 20:09:48,714 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 10.5) internal successors, (84), 9 states have internal predecessors, (84), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2024-10-24 20:09:48,714 INFO L276 IsEmpty]: Start isEmpty. Operand 1303 states and 2027 transitions. [2024-10-24 20:09:48,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-10-24 20:09:48,716 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:09:48,717 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:09:48,733 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Ended with exit code 0 [2024-10-24 20:09:48,920 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:48,921 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-24 20:09:48,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:09:48,921 INFO L85 PathProgramCache]: Analyzing trace with hash 1674366488, now seen corresponding path program 1 times [2024-10-24 20:09:48,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:09:48,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582029519] [2024-10-24 20:09:48,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:48,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:09:48,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:09:48,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [106616569] [2024-10-24 20:09:48,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:48,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:48,934 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:09:48,937 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) [2024-10-24 20:09:48,938 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-10-24 20:09:49,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:49,015 INFO L255 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-24 20:09:49,017 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:09:49,482 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-10-24 20:09:49,482 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:09:50,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:09:50,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582029519] [2024-10-24 20:09:50,118 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:09:50,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [106616569] [2024-10-24 20:09:50,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [106616569] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:09:50,118 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:09:50,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-10-24 20:09:50,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67474180] [2024-10-24 20:09:50,119 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-24 20:09:50,119 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 20:09:50,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:09:50,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 20:09:50,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-10-24 20:09:50,119 INFO L87 Difference]: Start difference. First operand 1303 states and 2027 transitions. Second operand has 10 states, 8 states have (on average 10.625) internal successors, (85), 9 states have internal predecessors, (85), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2024-10-24 20:09:50,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:09:50,915 INFO L93 Difference]: Finished difference Result 1335 states and 2036 transitions. [2024-10-24 20:09:50,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-24 20:09:50,915 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 10.625) internal successors, (85), 9 states have internal predecessors, (85), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) Word has length 121 [2024-10-24 20:09:50,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:09:50,919 INFO L225 Difference]: With dead ends: 1335 [2024-10-24 20:09:50,919 INFO L226 Difference]: Without dead ends: 1334 [2024-10-24 20:09:50,920 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=82, Invalid=260, Unknown=0, NotChecked=0, Total=342 [2024-10-24 20:09:50,920 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 661 mSDsluCounter, 421 mSDsCounter, 0 mSdLazyCounter, 924 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 666 SdHoareTripleChecker+Valid, 524 SdHoareTripleChecker+Invalid, 961 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 924 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-24 20:09:50,920 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [666 Valid, 524 Invalid, 961 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 924 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-24 20:09:50,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1334 states. [2024-10-24 20:09:50,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1334 to 1303. [2024-10-24 20:09:50,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1303 states, 1147 states have (on average 1.6155187445510026) internal successors, (1853), 1208 states have internal predecessors, (1853), 86 states have call successors, (86), 9 states have call predecessors, (86), 9 states have return successors, (86), 85 states have call predecessors, (86), 86 states have call successors, (86) [2024-10-24 20:09:50,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1303 states to 1303 states and 2025 transitions. [2024-10-24 20:09:50,980 INFO L78 Accepts]: Start accepts. Automaton has 1303 states and 2025 transitions. Word has length 121 [2024-10-24 20:09:50,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:09:50,980 INFO L471 AbstractCegarLoop]: Abstraction has 1303 states and 2025 transitions. [2024-10-24 20:09:50,980 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 10.625) internal successors, (85), 9 states have internal predecessors, (85), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2024-10-24 20:09:50,980 INFO L276 IsEmpty]: Start isEmpty. Operand 1303 states and 2025 transitions. [2024-10-24 20:09:50,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-10-24 20:09:50,981 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:09:50,981 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:09:50,993 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2024-10-24 20:09:51,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2024-10-24 20:09:51,183 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-24 20:09:51,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:09:51,183 INFO L85 PathProgramCache]: Analyzing trace with hash 365753669, now seen corresponding path program 1 times [2024-10-24 20:09:51,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:09:51,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350931932] [2024-10-24 20:09:51,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:51,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:09:51,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:09:51,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [770386016] [2024-10-24 20:09:51,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:51,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:51,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:09:51,198 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) [2024-10-24 20:09:51,201 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2024-10-24 20:09:51,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:51,265 INFO L255 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-24 20:09:51,266 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:09:51,565 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-10-24 20:09:51,566 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:09:51,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:09:51,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350931932] [2024-10-24 20:09:51,637 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:09:51,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [770386016] [2024-10-24 20:09:51,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [770386016] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:09:51,637 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:09:51,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-10-24 20:09:51,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300378222] [2024-10-24 20:09:51,637 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-24 20:09:51,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 20:09:51,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:09:51,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 20:09:51,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-10-24 20:09:51,638 INFO L87 Difference]: Start difference. First operand 1303 states and 2025 transitions. Second operand has 8 states, 6 states have (on average 14.333333333333334) internal successors, (86), 7 states have internal predecessors, (86), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) [2024-10-24 20:09:52,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:09:52,146 INFO L93 Difference]: Finished difference Result 1458 states and 2244 transitions. [2024-10-24 20:09:52,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 20:09:52,147 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 14.333333333333334) internal successors, (86), 7 states have internal predecessors, (86), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) Word has length 122 [2024-10-24 20:09:52,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:09:52,150 INFO L225 Difference]: With dead ends: 1458 [2024-10-24 20:09:52,150 INFO L226 Difference]: Without dead ends: 1456 [2024-10-24 20:09:52,151 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-10-24 20:09:52,151 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 247 mSDsluCounter, 389 mSDsCounter, 0 mSdLazyCounter, 408 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 256 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 408 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 20:09:52,151 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [256 Valid, 486 Invalid, 415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 408 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 20:09:52,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1456 states. [2024-10-24 20:09:52,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1456 to 1415. [2024-10-24 20:09:52,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1415 states, 1250 states have (on average 1.6288) internal successors, (2036), 1311 states have internal predecessors, (2036), 95 states have call successors, (95), 9 states have call predecessors, (95), 9 states have return successors, (95), 94 states have call predecessors, (95), 95 states have call successors, (95) [2024-10-24 20:09:52,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1415 states to 1415 states and 2226 transitions. [2024-10-24 20:09:52,203 INFO L78 Accepts]: Start accepts. Automaton has 1415 states and 2226 transitions. Word has length 122 [2024-10-24 20:09:52,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:09:52,203 INFO L471 AbstractCegarLoop]: Abstraction has 1415 states and 2226 transitions. [2024-10-24 20:09:52,204 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 14.333333333333334) internal successors, (86), 7 states have internal predecessors, (86), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) [2024-10-24 20:09:52,204 INFO L276 IsEmpty]: Start isEmpty. Operand 1415 states and 2226 transitions. [2024-10-24 20:09:52,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-10-24 20:09:52,204 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:09:52,204 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:09:52,221 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Forceful destruction successful, exit code 0 [2024-10-24 20:09:52,405 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,SelfDestructingSolverStorable46 [2024-10-24 20:09:52,405 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-24 20:09:52,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:09:52,405 INFO L85 PathProgramCache]: Analyzing trace with hash -1546538054, now seen corresponding path program 1 times [2024-10-24 20:09:52,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:09:52,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379071678] [2024-10-24 20:09:52,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:52,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:09:52,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:09:52,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [441294695] [2024-10-24 20:09:52,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:52,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:52,418 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:09:52,419 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) [2024-10-24 20:09:52,421 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2024-10-24 20:09:52,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:52,481 INFO L255 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-24 20:09:52,483 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:09:52,781 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-10-24 20:09:52,781 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:09:53,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:09:53,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379071678] [2024-10-24 20:09:53,095 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:09:53,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [441294695] [2024-10-24 20:09:53,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [441294695] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:09:53,096 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:09:53,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-10-24 20:09:53,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412266521] [2024-10-24 20:09:53,096 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-24 20:09:53,096 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 20:09:53,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:09:53,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 20:09:53,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-10-24 20:09:53,097 INFO L87 Difference]: Start difference. First operand 1415 states and 2226 transitions. Second operand has 8 states, 6 states have (on average 14.5) internal successors, (87), 7 states have internal predecessors, (87), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) [2024-10-24 20:09:53,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:09:53,591 INFO L93 Difference]: Finished difference Result 1458 states and 2238 transitions. [2024-10-24 20:09:53,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 20:09:53,592 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 14.5) internal successors, (87), 7 states have internal predecessors, (87), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) Word has length 123 [2024-10-24 20:09:53,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:09:53,597 INFO L225 Difference]: With dead ends: 1458 [2024-10-24 20:09:53,598 INFO L226 Difference]: Without dead ends: 1456 [2024-10-24 20:09:53,598 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-10-24 20:09:53,599 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 399 mSDsluCounter, 440 mSDsCounter, 0 mSdLazyCounter, 393 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 408 SdHoareTripleChecker+Valid, 582 SdHoareTripleChecker+Invalid, 403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 393 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 20:09:53,599 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [408 Valid, 582 Invalid, 403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 393 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 20:09:53,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1456 states. [2024-10-24 20:09:53,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1456 to 1416. [2024-10-24 20:09:53,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1416 states, 1251 states have (on average 1.624300559552358) internal successors, (2032), 1312 states have internal predecessors, (2032), 95 states have call successors, (95), 9 states have call predecessors, (95), 9 states have return successors, (95), 94 states have call predecessors, (95), 95 states have call successors, (95) [2024-10-24 20:09:53,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1416 states to 1416 states and 2222 transitions. [2024-10-24 20:09:53,657 INFO L78 Accepts]: Start accepts. Automaton has 1416 states and 2222 transitions. Word has length 123 [2024-10-24 20:09:53,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:09:53,657 INFO L471 AbstractCegarLoop]: Abstraction has 1416 states and 2222 transitions. [2024-10-24 20:09:53,657 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 14.5) internal successors, (87), 7 states have internal predecessors, (87), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) [2024-10-24 20:09:53,657 INFO L276 IsEmpty]: Start isEmpty. Operand 1416 states and 2222 transitions. [2024-10-24 20:09:53,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-10-24 20:09:53,658 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:09:53,658 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:09:53,674 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Forceful destruction successful, exit code 0 [2024-10-24 20:09:53,859 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,SelfDestructingSolverStorable47 [2024-10-24 20:09:53,859 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-24 20:09:53,860 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:09:53,860 INFO L85 PathProgramCache]: Analyzing trace with hash -698039321, now seen corresponding path program 1 times [2024-10-24 20:09:53,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:09:53,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376845938] [2024-10-24 20:09:53,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:53,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:09:53,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:09:53,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1859252893] [2024-10-24 20:09:53,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:53,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:53,875 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:09:53,876 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) [2024-10-24 20:09:53,878 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2024-10-24 20:09:53,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:53,946 INFO L255 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-24 20:09:53,948 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:09:54,229 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-24 20:09:54,229 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:09:54,805 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-24 20:09:54,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:09:54,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376845938] [2024-10-24 20:09:54,805 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:09:54,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1859252893] [2024-10-24 20:09:54,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1859252893] provided 1 perfect and 1 imperfect interpolant sequences [2024-10-24 20:09:54,805 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:09:54,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-10-24 20:09:54,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898811926] [2024-10-24 20:09:54,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:09:54,806 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 20:09:54,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:09:54,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 20:09:54,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-10-24 20:09:54,806 INFO L87 Difference]: Start difference. First operand 1416 states and 2222 transitions. Second operand has 5 states, 4 states have (on average 21.25) internal successors, (85), 5 states have internal predecessors, (85), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-10-24 20:09:58,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:09:58,414 INFO L93 Difference]: Finished difference Result 1672 states and 2602 transitions. [2024-10-24 20:09:58,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 20:09:58,415 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.25) internal successors, (85), 5 states have internal predecessors, (85), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 124 [2024-10-24 20:09:58,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:09:58,424 INFO L225 Difference]: With dead ends: 1672 [2024-10-24 20:09:58,424 INFO L226 Difference]: Without dead ends: 1669 [2024-10-24 20:09:58,424 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-10-24 20:09:58,425 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 121 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 426 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 267 SdHoareTripleChecker+Invalid, 438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-10-24 20:09:58,425 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 267 Invalid, 438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 426 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-10-24 20:09:58,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1669 states. [2024-10-24 20:09:58,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1669 to 1652. [2024-10-24 20:09:58,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1652 states, 1478 states have (on average 1.5994587280108254) internal successors, (2364), 1539 states have internal predecessors, (2364), 104 states have call successors, (104), 9 states have call predecessors, (104), 9 states have return successors, (104), 103 states have call predecessors, (104), 104 states have call successors, (104) [2024-10-24 20:09:58,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1652 states to 1652 states and 2572 transitions. [2024-10-24 20:09:58,500 INFO L78 Accepts]: Start accepts. Automaton has 1652 states and 2572 transitions. Word has length 124 [2024-10-24 20:09:58,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:09:58,500 INFO L471 AbstractCegarLoop]: Abstraction has 1652 states and 2572 transitions. [2024-10-24 20:09:58,500 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.25) internal successors, (85), 5 states have internal predecessors, (85), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-10-24 20:09:58,500 INFO L276 IsEmpty]: Start isEmpty. Operand 1652 states and 2572 transitions. [2024-10-24 20:09:58,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-10-24 20:09:58,501 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:09:58,501 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:09:58,518 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Ended with exit code 0 [2024-10-24 20:09:58,702 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,SelfDestructingSolverStorable48 [2024-10-24 20:09:58,703 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-24 20:09:58,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:09:58,703 INFO L85 PathProgramCache]: Analyzing trace with hash -164382372, now seen corresponding path program 1 times [2024-10-24 20:09:58,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:09:58,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585586848] [2024-10-24 20:09:58,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:58,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:09:58,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:09:58,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2031805476] [2024-10-24 20:09:58,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:58,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:58,720 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:09:58,721 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) [2024-10-24 20:09:58,723 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2024-10-24 20:09:58,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:58,789 INFO L255 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-24 20:09:58,791 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:09:59,244 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-10-24 20:09:59,244 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:09:59,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:09:59,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585586848] [2024-10-24 20:09:59,620 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:09:59,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2031805476] [2024-10-24 20:09:59,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2031805476] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:09:59,620 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:09:59,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-10-24 20:09:59,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021609758] [2024-10-24 20:09:59,620 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-24 20:09:59,620 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 20:09:59,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:09:59,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 20:09:59,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-10-24 20:09:59,621 INFO L87 Difference]: Start difference. First operand 1652 states and 2572 transitions. Second operand has 9 states, 7 states have (on average 12.714285714285714) internal successors, (89), 8 states have internal predecessors, (89), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) [2024-10-24 20:10:00,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:10:00,697 INFO L93 Difference]: Finished difference Result 1697 states and 2582 transitions. [2024-10-24 20:10:00,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 20:10:00,698 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 12.714285714285714) internal successors, (89), 8 states have internal predecessors, (89), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) Word has length 125 [2024-10-24 20:10:00,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:10:00,703 INFO L225 Difference]: With dead ends: 1697 [2024-10-24 20:10:00,703 INFO L226 Difference]: Without dead ends: 1692 [2024-10-24 20:10:00,704 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2024-10-24 20:10:00,704 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 286 mSDsluCounter, 543 mSDsCounter, 0 mSdLazyCounter, 589 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 296 SdHoareTripleChecker+Valid, 685 SdHoareTripleChecker+Invalid, 596 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 589 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-24 20:10:00,705 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [296 Valid, 685 Invalid, 596 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 589 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-24 20:10:00,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1692 states. [2024-10-24 20:10:00,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1692 to 1654. [2024-10-24 20:10:00,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1654 states, 1480 states have (on average 1.5952702702702704) internal successors, (2361), 1541 states have internal predecessors, (2361), 104 states have call successors, (104), 9 states have call predecessors, (104), 9 states have return successors, (104), 103 states have call predecessors, (104), 104 states have call successors, (104) [2024-10-24 20:10:00,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1654 states to 1654 states and 2569 transitions. [2024-10-24 20:10:00,805 INFO L78 Accepts]: Start accepts. Automaton has 1654 states and 2569 transitions. Word has length 125 [2024-10-24 20:10:00,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:10:00,805 INFO L471 AbstractCegarLoop]: Abstraction has 1654 states and 2569 transitions. [2024-10-24 20:10:00,806 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 12.714285714285714) internal successors, (89), 8 states have internal predecessors, (89), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) [2024-10-24 20:10:00,806 INFO L276 IsEmpty]: Start isEmpty. Operand 1654 states and 2569 transitions. [2024-10-24 20:10:00,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-10-24 20:10:00,806 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:10:00,807 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:10:00,823 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Ended with exit code 0 [2024-10-24 20:10:01,010 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,SelfDestructingSolverStorable49 [2024-10-24 20:10:01,011 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-24 20:10:01,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:10:01,011 INFO L85 PathProgramCache]: Analyzing trace with hash 1625129682, now seen corresponding path program 1 times [2024-10-24 20:10:01,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:10:01,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040574150] [2024-10-24 20:10:01,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:10:01,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:10:01,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:10:01,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1698495580] [2024-10-24 20:10:01,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:10:01,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:10:01,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:10:01,029 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) [2024-10-24 20:10:01,030 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2024-10-24 20:10:01,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:10:01,100 INFO L255 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-10-24 20:10:01,102 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:10:01,672 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 3 proven. 43 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-24 20:10:01,673 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:10:13,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:10:13,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040574150] [2024-10-24 20:10:13,859 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:10:13,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1698495580] [2024-10-24 20:10:13,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1698495580] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:10:13,859 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:10:13,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-10-24 20:10:13,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338768842] [2024-10-24 20:10:13,859 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-24 20:10:13,859 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-24 20:10:13,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:10:13,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-24 20:10:13,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=163, Unknown=3, NotChecked=0, Total=210 [2024-10-24 20:10:13,860 INFO L87 Difference]: Start difference. First operand 1654 states and 2569 transitions. Second operand has 12 states, 10 states have (on average 9.3) internal successors, (93), 11 states have internal predecessors, (93), 5 states have call successors, (10), 1 states have call predecessors, (10), 3 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) [2024-10-24 20:10:14,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:10:14,438 INFO L93 Difference]: Finished difference Result 1714 states and 2609 transitions. [2024-10-24 20:10:14,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-24 20:10:14,438 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 9.3) internal successors, (93), 11 states have internal predecessors, (93), 5 states have call successors, (10), 1 states have call predecessors, (10), 3 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) Word has length 131 [2024-10-24 20:10:14,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:10:14,442 INFO L225 Difference]: With dead ends: 1714 [2024-10-24 20:10:14,442 INFO L226 Difference]: Without dead ends: 1711 [2024-10-24 20:10:14,443 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 12.2s TimeCoverageRelationStatistics Valid=48, Invalid=189, Unknown=3, NotChecked=0, Total=240 [2024-10-24 20:10:14,443 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 238 mSDsluCounter, 775 mSDsCounter, 0 mSdLazyCounter, 971 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 892 SdHoareTripleChecker+Invalid, 974 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 971 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 20:10:14,443 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 892 Invalid, 974 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 971 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 20:10:14,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1711 states. [2024-10-24 20:10:14,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1711 to 1654. [2024-10-24 20:10:14,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1654 states, 1480 states have (on average 1.587162162162162) internal successors, (2349), 1541 states have internal predecessors, (2349), 104 states have call successors, (104), 9 states have call predecessors, (104), 9 states have return successors, (104), 103 states have call predecessors, (104), 104 states have call successors, (104) [2024-10-24 20:10:14,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1654 states to 1654 states and 2557 transitions. [2024-10-24 20:10:14,517 INFO L78 Accepts]: Start accepts. Automaton has 1654 states and 2557 transitions. Word has length 131 [2024-10-24 20:10:14,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:10:14,518 INFO L471 AbstractCegarLoop]: Abstraction has 1654 states and 2557 transitions. [2024-10-24 20:10:14,518 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 9.3) internal successors, (93), 11 states have internal predecessors, (93), 5 states have call successors, (10), 1 states have call predecessors, (10), 3 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) [2024-10-24 20:10:14,518 INFO L276 IsEmpty]: Start isEmpty. Operand 1654 states and 2557 transitions. [2024-10-24 20:10:14,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-10-24 20:10:14,519 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:10:14,519 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:10:14,536 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Ended with exit code 0 [2024-10-24 20:10:14,719 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,43 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:10:14,720 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-24 20:10:14,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:10:14,721 INFO L85 PathProgramCache]: Analyzing trace with hash -1160587306, now seen corresponding path program 1 times [2024-10-24 20:10:14,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:10:14,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382863476] [2024-10-24 20:10:14,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:10:14,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:10:14,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:10:14,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [530495119] [2024-10-24 20:10:14,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:10:14,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:10:14,739 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:10:14,743 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:10:14,745 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2024-10-24 20:10:14,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:10:14,818 INFO L255 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-24 20:10:14,820 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:10:15,301 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2024-10-24 20:10:15,301 INFO L311 TraceCheckSpWp]: Computing backward predicates...