./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-numeric/twisted.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-numeric/twisted.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd --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 64bit --witnessprinter.graph.data.programhash 1b68c797f7da07f29717590596e5fa31674f85e16d7b32a9335da92aff43a272 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 13:40:40,465 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 13:40:40,555 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-13 13:40:40,563 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 13:40:40,563 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 13:40:40,592 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 13:40:40,593 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 13:40:40,593 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 13:40:40,593 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 13:40:40,594 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 13:40:40,594 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 13:40:40,594 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 13:40:40,594 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 13:40:40,594 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 13:40:40,594 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 13:40:40,595 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 13:40:40,595 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 13:40:40,595 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 13:40:40,595 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 13:40:40,595 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 13:40:40,595 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 13:40:40,595 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 13:40:40,595 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 13:40:40,595 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 13:40:40,595 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 13:40:40,596 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 13:40:40,596 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 13:40:40,596 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 13:40:40,596 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 13:40:40,596 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 13:40:40,596 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 13:40:40,596 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:40:40,596 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 13:40:40,596 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 13:40:40,596 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 13:40:40,597 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 13:40:40,597 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 13:40:40,597 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 13:40:40,597 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 13:40:40,597 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 13:40:40,597 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 13:40:40,597 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b68c797f7da07f29717590596e5fa31674f85e16d7b32a9335da92aff43a272 [2024-11-13 13:40:40,977 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 13:40:40,985 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 13:40:40,988 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 13:40:40,990 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 13:40:40,990 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 13:40:40,993 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/termination-numeric/twisted.c Unable to find full path for "g++" [2024-11-13 13:40:42,991 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 13:40:43,292 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 13:40:43,296 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/sv-benchmarks/c/termination-numeric/twisted.c [2024-11-13 13:40:43,303 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/data/ebb4a5db5/5af23cc3016a48dba751cee87f6313aa/FLAGaa0271787 [2024-11-13 13:40:43,320 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/data/ebb4a5db5/5af23cc3016a48dba751cee87f6313aa [2024-11-13 13:40:43,323 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 13:40:43,324 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 13:40:43,326 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 13:40:43,326 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 13:40:43,331 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 13:40:43,332 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:40:43" (1/1) ... [2024-11-13 13:40:43,332 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f86f7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:40:43, skipping insertion in model container [2024-11-13 13:40:43,333 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:40:43" (1/1) ... [2024-11-13 13:40:43,347 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 13:40:43,522 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:40:43,529 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 13:40:43,542 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:40:43,558 INFO L204 MainTranslator]: Completed translation [2024-11-13 13:40:43,558 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:40:43 WrapperNode [2024-11-13 13:40:43,559 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 13:40:43,560 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 13:40:43,560 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 13:40:43,560 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 13:40:43,566 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:40:43" (1/1) ... [2024-11-13 13:40:43,572 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:40:43" (1/1) ... [2024-11-13 13:40:43,591 INFO L138 Inliner]: procedures = 5, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 50 [2024-11-13 13:40:43,593 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 13:40:43,594 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 13:40:43,594 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 13:40:43,594 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 13:40:43,604 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:40:43" (1/1) ... [2024-11-13 13:40:43,605 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:40:43" (1/1) ... [2024-11-13 13:40:43,605 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:40:43" (1/1) ... [2024-11-13 13:40:43,616 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-13 13:40:43,616 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:40:43" (1/1) ... [2024-11-13 13:40:43,616 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:40:43" (1/1) ... [2024-11-13 13:40:43,618 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:40:43" (1/1) ... [2024-11-13 13:40:43,623 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:40:43" (1/1) ... [2024-11-13 13:40:43,623 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:40:43" (1/1) ... [2024-11-13 13:40:43,624 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:40:43" (1/1) ... [2024-11-13 13:40:43,629 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 13:40:43,629 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 13:40:43,630 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 13:40:43,630 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 13:40:43,631 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:40:43" (1/1) ... [2024-11-13 13:40:43,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:40:43,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:40:43,672 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 13:40:43,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 13:40:43,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 13:40:43,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 13:40:43,788 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 13:40:43,791 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 13:40:43,995 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-13 13:40:43,995 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 13:40:44,013 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 13:40:44,013 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 13:40:44,013 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:40:44 BoogieIcfgContainer [2024-11-13 13:40:44,013 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 13:40:44,017 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 13:40:44,017 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 13:40:44,023 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 13:40:44,023 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:40:43" (1/3) ... [2024-11-13 13:40:44,024 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bafbc71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:40:44, skipping insertion in model container [2024-11-13 13:40:44,024 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:40:43" (2/3) ... [2024-11-13 13:40:44,025 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bafbc71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:40:44, skipping insertion in model container [2024-11-13 13:40:44,025 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:40:44" (3/3) ... [2024-11-13 13:40:44,027 INFO L112 eAbstractionObserver]: Analyzing ICFG twisted.c [2024-11-13 13:40:44,042 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 13:40:44,044 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG twisted.c that has 1 procedures, 24 locations, 1 initial locations, 2 loop locations, and 6 error locations. [2024-11-13 13:40:44,110 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:40:44,128 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;@35047f5d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:40:44,128 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-13 13:40:44,132 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 17 states have (on average 1.7058823529411764) internal successors, (29), 23 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:44,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 13:40:44,138 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:40:44,139 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-13 13:40:44,139 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 13:40:44,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:40:44,144 INFO L85 PathProgramCache]: Analyzing trace with hash 28711221, now seen corresponding path program 1 times [2024-11-13 13:40:44,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:40:44,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460805393] [2024-11-13 13:40:44,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:40:44,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:40:44,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:44,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:40:44,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:40:44,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460805393] [2024-11-13 13:40:44,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460805393] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:40:44,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:40:44,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:40:44,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072400649] [2024-11-13 13:40:44,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:40:44,311 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 13:40:44,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:40:44,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 13:40:44,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 13:40:44,334 INFO L87 Difference]: Start difference. First operand has 24 states, 17 states have (on average 1.7058823529411764) internal successors, (29), 23 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:44,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:40:44,347 INFO L93 Difference]: Finished difference Result 46 states and 56 transitions. [2024-11-13 13:40:44,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 13:40:44,349 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-13 13:40:44,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:40:44,355 INFO L225 Difference]: With dead ends: 46 [2024-11-13 13:40:44,356 INFO L226 Difference]: Without dead ends: 20 [2024-11-13 13:40:44,359 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 13:40:44,363 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:40:44,365 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:40:44,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2024-11-13 13:40:44,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2024-11-13 13:40:44,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 14 states have (on average 1.6428571428571428) internal successors, (23), 19 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:44,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 23 transitions. [2024-11-13 13:40:44,402 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 23 transitions. Word has length 5 [2024-11-13 13:40:44,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:40:44,403 INFO L471 AbstractCegarLoop]: Abstraction has 20 states and 23 transitions. [2024-11-13 13:40:44,403 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:44,403 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2024-11-13 13:40:44,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 13:40:44,404 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:40:44,404 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-13 13:40:44,404 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 13:40:44,405 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 13:40:44,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:40:44,406 INFO L85 PathProgramCache]: Analyzing trace with hash 28694852, now seen corresponding path program 1 times [2024-11-13 13:40:44,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:40:44,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925225704] [2024-11-13 13:40:44,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:40:44,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:40:44,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:44,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:40:44,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:40:44,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925225704] [2024-11-13 13:40:44,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925225704] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:40:44,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:40:44,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:40:44,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586281854] [2024-11-13 13:40:44,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:40:44,544 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:40:44,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:40:44,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:40:44,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:40:44,545 INFO L87 Difference]: Start difference. First operand 20 states and 23 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:44,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:40:44,628 INFO L93 Difference]: Finished difference Result 20 states and 23 transitions. [2024-11-13 13:40:44,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:40:44,629 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-13 13:40:44,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:40:44,629 INFO L225 Difference]: With dead ends: 20 [2024-11-13 13:40:44,630 INFO L226 Difference]: Without dead ends: 19 [2024-11-13 13:40:44,630 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:40:44,631 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 14 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:40:44,631 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 20 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 13:40:44,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2024-11-13 13:40:44,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2024-11-13 13:40:44,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 18 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:44,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 22 transitions. [2024-11-13 13:40:44,639 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 22 transitions. Word has length 5 [2024-11-13 13:40:44,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:40:44,639 INFO L471 AbstractCegarLoop]: Abstraction has 19 states and 22 transitions. [2024-11-13 13:40:44,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:44,639 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2024-11-13 13:40:44,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 13:40:44,639 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:40:44,643 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-13 13:40:44,643 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 13:40:44,643 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 13:40:44,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:40:44,644 INFO L85 PathProgramCache]: Analyzing trace with hash 889540457, now seen corresponding path program 1 times [2024-11-13 13:40:44,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:40:44,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047510216] [2024-11-13 13:40:44,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:40:44,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:40:44,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:44,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:40:44,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:40:44,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047510216] [2024-11-13 13:40:44,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047510216] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:40:44,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:40:44,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:40:44,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315210107] [2024-11-13 13:40:44,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:40:44,748 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:40:44,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:40:44,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:40:44,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:40:44,749 INFO L87 Difference]: Start difference. First operand 19 states and 22 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:44,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:40:44,831 INFO L93 Difference]: Finished difference Result 33 states and 40 transitions. [2024-11-13 13:40:44,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:40:44,832 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-13 13:40:44,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:40:44,833 INFO L225 Difference]: With dead ends: 33 [2024-11-13 13:40:44,833 INFO L226 Difference]: Without dead ends: 32 [2024-11-13 13:40:44,833 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:40:44,834 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 11 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:40:44,835 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 34 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 13:40:44,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2024-11-13 13:40:44,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 28. [2024-11-13 13:40:44,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 23 states have (on average 1.565217391304348) internal successors, (36), 27 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:44,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 36 transitions. [2024-11-13 13:40:44,847 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 36 transitions. Word has length 6 [2024-11-13 13:40:44,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:40:44,847 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 36 transitions. [2024-11-13 13:40:44,847 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:44,847 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2024-11-13 13:40:44,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 13:40:44,848 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:40:44,848 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:40:44,848 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 13:40:44,848 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 13:40:44,850 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:40:44,851 INFO L85 PathProgramCache]: Analyzing trace with hash 1805903811, now seen corresponding path program 1 times [2024-11-13 13:40:44,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:40:44,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150150196] [2024-11-13 13:40:44,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:40:44,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:40:44,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:44,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:40:44,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:40:44,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150150196] [2024-11-13 13:40:44,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150150196] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:40:44,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:40:44,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:40:44,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611964732] [2024-11-13 13:40:44,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:40:44,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:40:44,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:40:44,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:40:44,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:40:44,921 INFO L87 Difference]: Start difference. First operand 28 states and 36 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:44,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:40:44,969 INFO L93 Difference]: Finished difference Result 35 states and 45 transitions. [2024-11-13 13:40:44,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:40:44,970 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-13 13:40:44,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:40:44,971 INFO L225 Difference]: With dead ends: 35 [2024-11-13 13:40:44,971 INFO L226 Difference]: Without dead ends: 34 [2024-11-13 13:40:44,971 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:40:44,972 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 1 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:40:44,972 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 24 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:40:44,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2024-11-13 13:40:44,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 33. [2024-11-13 13:40:44,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 28 states have (on average 1.5357142857142858) internal successors, (43), 32 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:44,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 43 transitions. [2024-11-13 13:40:44,987 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 43 transitions. Word has length 7 [2024-11-13 13:40:44,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:40:44,988 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 43 transitions. [2024-11-13 13:40:44,988 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:44,988 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 43 transitions. [2024-11-13 13:40:44,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 13:40:44,988 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:40:44,989 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:40:44,989 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 13:40:44,989 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 13:40:44,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:40:44,990 INFO L85 PathProgramCache]: Analyzing trace with hash 1805903861, now seen corresponding path program 1 times [2024-11-13 13:40:44,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:40:44,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040783328] [2024-11-13 13:40:44,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:40:44,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:40:45,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:45,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:40:45,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:40:45,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040783328] [2024-11-13 13:40:45,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040783328] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:40:45,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:40:45,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:40:45,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510087581] [2024-11-13 13:40:45,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:40:45,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:40:45,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:40:45,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:40:45,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:40:45,045 INFO L87 Difference]: Start difference. First operand 33 states and 43 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:45,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:40:45,106 INFO L93 Difference]: Finished difference Result 33 states and 43 transitions. [2024-11-13 13:40:45,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:40:45,107 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-13 13:40:45,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:40:45,108 INFO L225 Difference]: With dead ends: 33 [2024-11-13 13:40:45,108 INFO L226 Difference]: Without dead ends: 32 [2024-11-13 13:40:45,108 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:40:45,109 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 11 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:40:45,109 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 26 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 13:40:45,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2024-11-13 13:40:45,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2024-11-13 13:40:45,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 28 states have (on average 1.4642857142857142) internal successors, (41), 31 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:45,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 41 transitions. [2024-11-13 13:40:45,115 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 41 transitions. Word has length 7 [2024-11-13 13:40:45,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:40:45,115 INFO L471 AbstractCegarLoop]: Abstraction has 32 states and 41 transitions. [2024-11-13 13:40:45,116 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:45,116 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 41 transitions. [2024-11-13 13:40:45,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 13:40:45,116 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:40:45,116 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:40:45,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 13:40:45,117 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 13:40:45,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:40:45,117 INFO L85 PathProgramCache]: Analyzing trace with hash 148443370, now seen corresponding path program 1 times [2024-11-13 13:40:45,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:40:45,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573564952] [2024-11-13 13:40:45,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:40:45,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:40:45,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:45,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:40:45,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:40:45,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573564952] [2024-11-13 13:40:45,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573564952] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:40:45,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:40:45,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:40:45,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822047639] [2024-11-13 13:40:45,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:40:45,153 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:40:45,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:40:45,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:40:45,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:40:45,153 INFO L87 Difference]: Start difference. First operand 32 states and 41 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:45,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:40:45,190 INFO L93 Difference]: Finished difference Result 34 states and 42 transitions. [2024-11-13 13:40:45,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:40:45,190 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-13 13:40:45,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:40:45,191 INFO L225 Difference]: With dead ends: 34 [2024-11-13 13:40:45,191 INFO L226 Difference]: Without dead ends: 31 [2024-11-13 13:40:45,191 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:40:45,192 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 0 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:40:45,192 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 23 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:40:45,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2024-11-13 13:40:45,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2024-11-13 13:40:45,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 27 states have (on average 1.4444444444444444) internal successors, (39), 30 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:45,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 39 transitions. [2024-11-13 13:40:45,198 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 39 transitions. Word has length 8 [2024-11-13 13:40:45,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:40:45,198 INFO L471 AbstractCegarLoop]: Abstraction has 31 states and 39 transitions. [2024-11-13 13:40:45,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:45,198 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 39 transitions. [2024-11-13 13:40:45,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 13:40:45,199 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:40:45,199 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:40:45,199 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 13:40:45,199 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 13:40:45,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:40:45,200 INFO L85 PathProgramCache]: Analyzing trace with hash 148444908, now seen corresponding path program 1 times [2024-11-13 13:40:45,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:40:45,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63237816] [2024-11-13 13:40:45,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:40:45,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:40:45,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:45,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:40:45,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:40:45,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63237816] [2024-11-13 13:40:45,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63237816] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:40:45,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:40:45,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:40:45,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57229997] [2024-11-13 13:40:45,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:40:45,243 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:40:45,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:40:45,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:40:45,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:40:45,244 INFO L87 Difference]: Start difference. First operand 31 states and 39 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:45,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:40:45,279 INFO L93 Difference]: Finished difference Result 47 states and 60 transitions. [2024-11-13 13:40:45,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:40:45,279 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-13 13:40:45,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:40:45,280 INFO L225 Difference]: With dead ends: 47 [2024-11-13 13:40:45,280 INFO L226 Difference]: Without dead ends: 46 [2024-11-13 13:40:45,280 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:40:45,283 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 8 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:40:45,283 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 39 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:40:45,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2024-11-13 13:40:45,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 43. [2024-11-13 13:40:45,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 39 states have (on average 1.4102564102564104) internal successors, (55), 42 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:45,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 55 transitions. [2024-11-13 13:40:45,300 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 55 transitions. Word has length 8 [2024-11-13 13:40:45,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:40:45,300 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 55 transitions. [2024-11-13 13:40:45,300 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:45,301 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 55 transitions. [2024-11-13 13:40:45,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 13:40:45,305 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:40:45,305 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2024-11-13 13:40:45,305 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 13:40:45,305 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 13:40:45,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:40:45,306 INFO L85 PathProgramCache]: Analyzing trace with hash -1985747964, now seen corresponding path program 1 times [2024-11-13 13:40:45,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:40:45,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741886928] [2024-11-13 13:40:45,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:40:45,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:40:45,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:45,478 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:40:45,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:40:45,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741886928] [2024-11-13 13:40:45,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741886928] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:40:45,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [553137933] [2024-11-13 13:40:45,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:40:45,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:40:45,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:40:45,483 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:40:45,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 13:40:45,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:45,549 INFO L255 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 13:40:45,554 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:40:45,621 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:40:45,622 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:40:45,722 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:40:45,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [553137933] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:40:45,723 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:40:45,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2024-11-13 13:40:45,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752503629] [2024-11-13 13:40:45,723 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:40:45,723 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 13:40:45,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:40:45,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 13:40:45,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-13 13:40:45,724 INFO L87 Difference]: Start difference. First operand 43 states and 55 transitions. Second operand has 10 states, 9 states have (on average 2.111111111111111) internal successors, (19), 10 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:45,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:40:45,891 INFO L93 Difference]: Finished difference Result 111 states and 152 transitions. [2024-11-13 13:40:45,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 13:40:45,891 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.111111111111111) internal successors, (19), 10 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-11-13 13:40:45,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:40:45,894 INFO L225 Difference]: With dead ends: 111 [2024-11-13 13:40:45,897 INFO L226 Difference]: Without dead ends: 110 [2024-11-13 13:40:45,898 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-13 13:40:45,899 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 75 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:40:45,899 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 49 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 13:40:45,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2024-11-13 13:40:45,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 78. [2024-11-13 13:40:45,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 74 states have (on average 1.4324324324324325) internal successors, (106), 77 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:45,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 106 transitions. [2024-11-13 13:40:45,921 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 106 transitions. Word has length 10 [2024-11-13 13:40:45,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:40:45,922 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 106 transitions. [2024-11-13 13:40:45,922 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.111111111111111) internal successors, (19), 10 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:45,922 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 106 transitions. [2024-11-13 13:40:45,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 13:40:45,925 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:40:45,926 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:40:45,947 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-13 13:40:46,126 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:40:46,127 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 13:40:46,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:40:46,127 INFO L85 PathProgramCache]: Analyzing trace with hash -1985673441, now seen corresponding path program 1 times [2024-11-13 13:40:46,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:40:46,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048896982] [2024-11-13 13:40:46,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:40:46,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:40:46,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:46,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:40:46,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:40:46,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048896982] [2024-11-13 13:40:46,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048896982] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:40:46,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:40:46,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 13:40:46,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040247686] [2024-11-13 13:40:46,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:40:46,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:40:46,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:40:46,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:40:46,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:40:46,202 INFO L87 Difference]: Start difference. First operand 78 states and 106 transitions. Second operand has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:46,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:40:46,283 INFO L93 Difference]: Finished difference Result 81 states and 109 transitions. [2024-11-13 13:40:46,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 13:40:46,284 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-11-13 13:40:46,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:40:46,285 INFO L225 Difference]: With dead ends: 81 [2024-11-13 13:40:46,286 INFO L226 Difference]: Without dead ends: 80 [2024-11-13 13:40:46,286 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:40:46,291 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 5 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:40:46,291 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 32 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 13:40:46,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-11-13 13:40:46,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 79. [2024-11-13 13:40:46,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 75 states have (on average 1.4266666666666667) internal successors, (107), 78 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:46,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 107 transitions. [2024-11-13 13:40:46,308 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 107 transitions. Word has length 10 [2024-11-13 13:40:46,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:40:46,308 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 107 transitions. [2024-11-13 13:40:46,308 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:46,309 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 107 transitions. [2024-11-13 13:40:46,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 13:40:46,309 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:40:46,309 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:40:46,309 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-13 13:40:46,309 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 13:40:46,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:40:46,310 INFO L85 PathProgramCache]: Analyzing trace with hash -1493993400, now seen corresponding path program 1 times [2024-11-13 13:40:46,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:40:46,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608180454] [2024-11-13 13:40:46,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:40:46,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:40:46,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:46,379 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:40:46,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:40:46,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608180454] [2024-11-13 13:40:46,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608180454] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:40:46,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [439636372] [2024-11-13 13:40:46,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:40:46,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:40:46,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:40:46,383 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:40:46,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 13:40:46,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:46,428 INFO L255 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 13:40:46,429 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:40:46,565 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:40:46,565 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:40:46,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [439636372] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:40:46,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 13:40:46,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-11-13 13:40:46,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643534168] [2024-11-13 13:40:46,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:40:46,568 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:40:46,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:40:46,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:40:46,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-13 13:40:46,569 INFO L87 Difference]: Start difference. First operand 79 states and 107 transitions. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:46,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:40:46,668 INFO L93 Difference]: Finished difference Result 91 states and 123 transitions. [2024-11-13 13:40:46,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 13:40:46,668 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-11-13 13:40:46,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:40:46,669 INFO L225 Difference]: With dead ends: 91 [2024-11-13 13:40:46,669 INFO L226 Difference]: Without dead ends: 90 [2024-11-13 13:40:46,670 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-13 13:40:46,671 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 5 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:40:46,671 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 33 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 13:40:46,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2024-11-13 13:40:46,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 88. [2024-11-13 13:40:46,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 84 states have (on average 1.4285714285714286) internal successors, (120), 87 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:46,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 120 transitions. [2024-11-13 13:40:46,682 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 120 transitions. Word has length 11 [2024-11-13 13:40:46,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:40:46,683 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 120 transitions. [2024-11-13 13:40:46,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:46,683 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 120 transitions. [2024-11-13 13:40:46,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 13:40:46,684 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:40:46,684 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:40:46,706 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-13 13:40:46,884 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-13 13:40:46,885 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 13:40:46,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:40:46,886 INFO L85 PathProgramCache]: Analyzing trace with hash -1426334450, now seen corresponding path program 1 times [2024-11-13 13:40:46,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:40:46,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832768543] [2024-11-13 13:40:46,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:40:46,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:40:46,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:46,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:40:46,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:40:46,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832768543] [2024-11-13 13:40:46,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [832768543] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:40:46,987 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:40:46,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 13:40:46,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060758030] [2024-11-13 13:40:46,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:40:46,987 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:40:46,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:40:46,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:40:46,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:40:46,988 INFO L87 Difference]: Start difference. First operand 88 states and 120 transitions. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:47,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:40:47,074 INFO L93 Difference]: Finished difference Result 91 states and 122 transitions. [2024-11-13 13:40:47,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 13:40:47,075 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-11-13 13:40:47,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:40:47,076 INFO L225 Difference]: With dead ends: 91 [2024-11-13 13:40:47,076 INFO L226 Difference]: Without dead ends: 88 [2024-11-13 13:40:47,076 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:40:47,077 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 4 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:40:47,077 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 31 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 13:40:47,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2024-11-13 13:40:47,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2024-11-13 13:40:47,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 84 states have (on average 1.4166666666666667) internal successors, (119), 87 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:47,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 119 transitions. [2024-11-13 13:40:47,090 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 119 transitions. Word has length 11 [2024-11-13 13:40:47,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:40:47,090 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 119 transitions. [2024-11-13 13:40:47,091 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:47,091 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 119 transitions. [2024-11-13 13:40:47,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 13:40:47,091 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:40:47,091 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:40:47,091 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-13 13:40:47,092 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 13:40:47,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:40:47,092 INFO L85 PathProgramCache]: Analyzing trace with hash 930844933, now seen corresponding path program 1 times [2024-11-13 13:40:47,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:40:47,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683044870] [2024-11-13 13:40:47,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:40:47,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:40:47,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:47,199 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:40:47,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:40:47,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683044870] [2024-11-13 13:40:47,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683044870] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:40:47,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [61258239] [2024-11-13 13:40:47,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:40:47,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:40:47,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:40:47,202 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:40:47,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 13:40:47,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:47,248 INFO L255 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 13:40:47,249 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:40:47,351 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:40:47,351 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:40:47,420 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:40:47,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [61258239] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:40:47,420 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:40:47,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2024-11-13 13:40:47,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265213306] [2024-11-13 13:40:47,421 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:40:47,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-13 13:40:47,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:40:47,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-13 13:40:47,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-13 13:40:47,423 INFO L87 Difference]: Start difference. First operand 88 states and 119 transitions. Second operand has 11 states, 10 states have (on average 3.4) internal successors, (34), 11 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:47,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:40:47,594 INFO L93 Difference]: Finished difference Result 117 states and 159 transitions. [2024-11-13 13:40:47,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 13:40:47,595 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.4) internal successors, (34), 11 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-11-13 13:40:47,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:40:47,596 INFO L225 Difference]: With dead ends: 117 [2024-11-13 13:40:47,596 INFO L226 Difference]: Without dead ends: 108 [2024-11-13 13:40:47,597 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2024-11-13 13:40:47,597 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 18 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:40:47,598 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 46 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 13:40:47,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2024-11-13 13:40:47,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 104. [2024-11-13 13:40:47,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 100 states have (on average 1.42) internal successors, (142), 103 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:47,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 142 transitions. [2024-11-13 13:40:47,615 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 142 transitions. Word has length 12 [2024-11-13 13:40:47,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:40:47,616 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 142 transitions. [2024-11-13 13:40:47,616 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.4) internal successors, (34), 11 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:47,616 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 142 transitions. [2024-11-13 13:40:47,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 13:40:47,616 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:40:47,616 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:40:47,642 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-13 13:40:47,824 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-13 13:40:47,824 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 13:40:47,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:40:47,825 INFO L85 PathProgramCache]: Analyzing trace with hash 930846471, now seen corresponding path program 1 times [2024-11-13 13:40:47,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:40:47,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522186227] [2024-11-13 13:40:47,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:40:47,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:40:47,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:47,883 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:40:47,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:40:47,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522186227] [2024-11-13 13:40:47,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522186227] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:40:47,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1119609996] [2024-11-13 13:40:47,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:40:47,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:40:47,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:40:47,885 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:40:47,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-13 13:40:47,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:47,932 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 13:40:47,933 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:40:47,958 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:40:47,958 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:40:48,029 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:40:48,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1119609996] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:40:48,030 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:40:48,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2024-11-13 13:40:48,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287798634] [2024-11-13 13:40:48,030 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:40:48,031 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 13:40:48,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:40:48,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 13:40:48,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-13 13:40:48,040 INFO L87 Difference]: Start difference. First operand 104 states and 142 transitions. Second operand has 10 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 10 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:48,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:40:48,133 INFO L93 Difference]: Finished difference Result 264 states and 375 transitions. [2024-11-13 13:40:48,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 13:40:48,134 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 10 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-11-13 13:40:48,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:40:48,136 INFO L225 Difference]: With dead ends: 264 [2024-11-13 13:40:48,136 INFO L226 Difference]: Without dead ends: 263 [2024-11-13 13:40:48,136 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-13 13:40:48,137 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 48 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:40:48,137 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 100 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 13:40:48,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2024-11-13 13:40:48,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 251. [2024-11-13 13:40:48,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 247 states have (on average 1.4008097165991902) internal successors, (346), 250 states have internal predecessors, (346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:48,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 346 transitions. [2024-11-13 13:40:48,160 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 346 transitions. Word has length 12 [2024-11-13 13:40:48,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:40:48,160 INFO L471 AbstractCegarLoop]: Abstraction has 251 states and 346 transitions. [2024-11-13 13:40:48,160 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 10 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:48,161 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 346 transitions. [2024-11-13 13:40:48,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 13:40:48,161 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:40:48,161 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:40:48,188 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-13 13:40:48,362 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-13 13:40:48,362 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 13:40:48,363 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:40:48,363 INFO L85 PathProgramCache]: Analyzing trace with hash -1772254812, now seen corresponding path program 1 times [2024-11-13 13:40:48,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:40:48,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716658826] [2024-11-13 13:40:48,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:40:48,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:40:48,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:48,474 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:40:48,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:40:48,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716658826] [2024-11-13 13:40:48,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716658826] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:40:48,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [278530246] [2024-11-13 13:40:48,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:40:48,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:40:48,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:40:48,476 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:40:48,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-13 13:40:48,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:48,526 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 13:40:48,527 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:40:48,673 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:40:48,674 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:40:48,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [278530246] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:40:48,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 13:40:48,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 11 [2024-11-13 13:40:48,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693996496] [2024-11-13 13:40:48,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:40:48,675 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 13:40:48,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:40:48,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 13:40:48,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-13 13:40:48,676 INFO L87 Difference]: Start difference. First operand 251 states and 346 transitions. Second operand has 7 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:48,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:40:48,768 INFO L93 Difference]: Finished difference Result 291 states and 409 transitions. [2024-11-13 13:40:48,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 13:40:48,769 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2024-11-13 13:40:48,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:40:48,770 INFO L225 Difference]: With dead ends: 291 [2024-11-13 13:40:48,770 INFO L226 Difference]: Without dead ends: 290 [2024-11-13 13:40:48,771 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-13 13:40:48,771 INFO L432 NwaCegarLoop]: 6 mSDtfsCounter, 17 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:40:48,771 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 18 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 13:40:48,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2024-11-13 13:40:48,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 233. [2024-11-13 13:40:48,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233 states, 230 states have (on average 1.3956521739130434) internal successors, (321), 232 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:48,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 321 transitions. [2024-11-13 13:40:48,794 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 321 transitions. Word has length 14 [2024-11-13 13:40:48,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:40:48,794 INFO L471 AbstractCegarLoop]: Abstraction has 233 states and 321 transitions. [2024-11-13 13:40:48,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:48,794 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 321 transitions. [2024-11-13 13:40:48,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 13:40:48,795 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:40:48,795 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:40:48,817 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-13 13:40:48,996 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-13 13:40:48,996 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 13:40:48,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:40:48,996 INFO L85 PathProgramCache]: Analyzing trace with hash 517534035, now seen corresponding path program 1 times [2024-11-13 13:40:48,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:40:48,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454238810] [2024-11-13 13:40:48,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:40:48,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:40:49,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:49,077 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:40:49,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:40:49,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454238810] [2024-11-13 13:40:49,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454238810] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:40:49,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1942110925] [2024-11-13 13:40:49,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:40:49,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:40:49,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:40:49,080 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:40:49,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-13 13:40:49,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:49,127 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 13:40:49,127 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:40:49,254 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:40:49,254 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:40:49,350 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:40:49,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1942110925] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:40:49,350 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:40:49,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 16 [2024-11-13 13:40:49,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894938173] [2024-11-13 13:40:49,351 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:40:49,351 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-13 13:40:49,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:40:49,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-13 13:40:49,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2024-11-13 13:40:49,352 INFO L87 Difference]: Start difference. First operand 233 states and 321 transitions. Second operand has 17 states, 16 states have (on average 2.6875) internal successors, (43), 17 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:49,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:40:49,477 INFO L93 Difference]: Finished difference Result 242 states and 330 transitions. [2024-11-13 13:40:49,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 13:40:49,477 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 2.6875) internal successors, (43), 17 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-11-13 13:40:49,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:40:49,479 INFO L225 Difference]: With dead ends: 242 [2024-11-13 13:40:49,479 INFO L226 Difference]: Without dead ends: 237 [2024-11-13 13:40:49,479 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2024-11-13 13:40:49,480 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 11 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:40:49,480 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 64 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 13:40:49,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2024-11-13 13:40:49,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 233. [2024-11-13 13:40:49,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233 states, 230 states have (on average 1.3869565217391304) internal successors, (319), 232 states have internal predecessors, (319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:49,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 319 transitions. [2024-11-13 13:40:49,498 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 319 transitions. Word has length 15 [2024-11-13 13:40:49,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:40:49,499 INFO L471 AbstractCegarLoop]: Abstraction has 233 states and 319 transitions. [2024-11-13 13:40:49,499 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 2.6875) internal successors, (43), 17 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:49,499 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 319 transitions. [2024-11-13 13:40:49,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 13:40:49,500 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:40:49,500 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:40:49,522 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-13 13:40:49,702 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-13 13:40:49,702 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 13:40:49,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:40:49,703 INFO L85 PathProgramCache]: Analyzing trace with hash 894675753, now seen corresponding path program 1 times [2024-11-13 13:40:49,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:40:49,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740105710] [2024-11-13 13:40:49,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:40:49,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:40:49,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:49,779 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:40:49,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:40:49,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740105710] [2024-11-13 13:40:49,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740105710] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:40:49,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [843484632] [2024-11-13 13:40:49,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:40:49,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:40:49,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:40:49,782 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:40:49,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-13 13:40:49,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:49,831 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 13:40:49,832 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:40:49,949 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:40:49,949 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:40:50,045 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:40:50,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [843484632] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:40:50,045 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:40:50,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 16 [2024-11-13 13:40:50,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596784228] [2024-11-13 13:40:50,046 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:40:50,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-13 13:40:50,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:40:50,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-13 13:40:50,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272 [2024-11-13 13:40:50,047 INFO L87 Difference]: Start difference. First operand 233 states and 319 transitions. Second operand has 17 states, 16 states have (on average 2.6875) internal successors, (43), 17 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:50,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:40:50,253 INFO L93 Difference]: Finished difference Result 281 states and 382 transitions. [2024-11-13 13:40:50,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 13:40:50,254 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 2.6875) internal successors, (43), 17 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-11-13 13:40:50,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:40:50,255 INFO L225 Difference]: With dead ends: 281 [2024-11-13 13:40:50,255 INFO L226 Difference]: Without dead ends: 270 [2024-11-13 13:40:50,255 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=80, Invalid=226, Unknown=0, NotChecked=0, Total=306 [2024-11-13 13:40:50,256 INFO L432 NwaCegarLoop]: 7 mSDtfsCounter, 30 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:40:50,256 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 47 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 13:40:50,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2024-11-13 13:40:50,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 245. [2024-11-13 13:40:50,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 242 states have (on average 1.3801652892561984) internal successors, (334), 244 states have internal predecessors, (334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:50,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 334 transitions. [2024-11-13 13:40:50,279 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 334 transitions. Word has length 15 [2024-11-13 13:40:50,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:40:50,279 INFO L471 AbstractCegarLoop]: Abstraction has 245 states and 334 transitions. [2024-11-13 13:40:50,279 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 2.6875) internal successors, (43), 17 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:50,279 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 334 transitions. [2024-11-13 13:40:50,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 13:40:50,282 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:40:50,282 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:40:50,303 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-13 13:40:50,482 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-13 13:40:50,482 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 13:40:50,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:40:50,483 INFO L85 PathProgramCache]: Analyzing trace with hash -863932591, now seen corresponding path program 1 times [2024-11-13 13:40:50,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:40:50,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451508226] [2024-11-13 13:40:50,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:40:50,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:40:50,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:50,515 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 13:40:50,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:40:50,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451508226] [2024-11-13 13:40:50,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451508226] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:40:50,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:40:50,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:40:50,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698048534] [2024-11-13 13:40:50,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:40:50,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:40:50,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:40:50,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:40:50,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:40:50,519 INFO L87 Difference]: Start difference. First operand 245 states and 334 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:50,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:40:50,584 INFO L93 Difference]: Finished difference Result 531 states and 730 transitions. [2024-11-13 13:40:50,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:40:50,584 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2024-11-13 13:40:50,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:40:50,586 INFO L225 Difference]: With dead ends: 531 [2024-11-13 13:40:50,586 INFO L226 Difference]: Without dead ends: 361 [2024-11-13 13:40:50,587 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:40:50,587 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 3 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:40:50,587 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 30 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:40:50,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2024-11-13 13:40:50,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 284. [2024-11-13 13:40:50,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 281 states have (on average 1.3451957295373667) internal successors, (378), 283 states have internal predecessors, (378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:50,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 378 transitions. [2024-11-13 13:40:50,620 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 378 transitions. Word has length 22 [2024-11-13 13:40:50,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:40:50,620 INFO L471 AbstractCegarLoop]: Abstraction has 284 states and 378 transitions. [2024-11-13 13:40:50,620 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:50,621 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 378 transitions. [2024-11-13 13:40:50,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 13:40:50,622 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:40:50,622 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:40:50,623 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-13 13:40:50,623 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 13:40:50,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:40:50,623 INFO L85 PathProgramCache]: Analyzing trace with hash 642651187, now seen corresponding path program 1 times [2024-11-13 13:40:50,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:40:50,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118366690] [2024-11-13 13:40:50,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:40:50,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:40:50,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:50,815 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:40:50,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:40:50,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118366690] [2024-11-13 13:40:50,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118366690] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:40:50,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1270860035] [2024-11-13 13:40:50,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:40:50,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:40:50,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:40:50,818 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:40:50,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-13 13:40:50,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:50,873 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 13:40:50,874 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:40:51,147 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:40:51,147 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:40:51,388 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:40:51,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1270860035] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:40:51,388 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:40:51,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 28 [2024-11-13 13:40:51,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109743459] [2024-11-13 13:40:51,389 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:40:51,390 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-13 13:40:51,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:40:51,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-13 13:40:51,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=186, Invalid=626, Unknown=0, NotChecked=0, Total=812 [2024-11-13 13:40:51,392 INFO L87 Difference]: Start difference. First operand 284 states and 378 transitions. Second operand has 29 states, 28 states have (on average 2.392857142857143) internal successors, (67), 29 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:51,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:40:51,708 INFO L93 Difference]: Finished difference Result 395 states and 529 transitions. [2024-11-13 13:40:51,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-13 13:40:51,708 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 2.392857142857143) internal successors, (67), 29 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2024-11-13 13:40:51,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:40:51,710 INFO L225 Difference]: With dead ends: 395 [2024-11-13 13:40:51,710 INFO L226 Difference]: Without dead ends: 380 [2024-11-13 13:40:51,712 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 342 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=200, Invalid=670, Unknown=0, NotChecked=0, Total=870 [2024-11-13 13:40:51,713 INFO L432 NwaCegarLoop]: 6 mSDtfsCounter, 52 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 13:40:51,713 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 56 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 13:40:51,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2024-11-13 13:40:51,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 305. [2024-11-13 13:40:51,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 302 states have (on average 1.3708609271523178) internal successors, (414), 304 states have internal predecessors, (414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:51,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 414 transitions. [2024-11-13 13:40:51,741 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 414 transitions. Word has length 23 [2024-11-13 13:40:51,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:40:51,743 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 414 transitions. [2024-11-13 13:40:51,743 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 2.392857142857143) internal successors, (67), 29 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:51,743 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 414 transitions. [2024-11-13 13:40:51,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 13:40:51,744 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:40:51,744 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:40:51,764 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-13 13:40:51,948 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-13 13:40:51,948 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 13:40:51,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:40:51,949 INFO L85 PathProgramCache]: Analyzing trace with hash 208828127, now seen corresponding path program 2 times [2024-11-13 13:40:51,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:40:51,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579375582] [2024-11-13 13:40:51,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:40:51,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:40:51,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:52,185 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:40:52,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:40:52,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579375582] [2024-11-13 13:40:52,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1579375582] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:40:52,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [3062734] [2024-11-13 13:40:52,186 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 13:40:52,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:40:52,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:40:52,188 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:40:52,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-13 13:40:52,240 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-13 13:40:52,240 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 13:40:52,241 INFO L255 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 13:40:52,243 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:40:52,293 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 13:40:52,293 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:40:52,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [3062734] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:40:52,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 13:40:52,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 14 [2024-11-13 13:40:52,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992217046] [2024-11-13 13:40:52,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:40:52,294 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:40:52,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:40:52,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:40:52,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2024-11-13 13:40:52,294 INFO L87 Difference]: Start difference. First operand 305 states and 414 transitions. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:52,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:40:52,388 INFO L93 Difference]: Finished difference Result 522 states and 696 transitions. [2024-11-13 13:40:52,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 13:40:52,388 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2024-11-13 13:40:52,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:40:52,390 INFO L225 Difference]: With dead ends: 522 [2024-11-13 13:40:52,390 INFO L226 Difference]: Without dead ends: 293 [2024-11-13 13:40:52,391 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2024-11-13 13:40:52,393 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 19 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:40:52,393 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 52 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 13:40:52,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2024-11-13 13:40:52,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 287. [2024-11-13 13:40:52,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 284 states have (on average 1.3204225352112675) internal successors, (375), 286 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:52,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 375 transitions. [2024-11-13 13:40:52,424 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 375 transitions. Word has length 23 [2024-11-13 13:40:52,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:40:52,425 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 375 transitions. [2024-11-13 13:40:52,426 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:52,426 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 375 transitions. [2024-11-13 13:40:52,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 13:40:52,426 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:40:52,426 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:40:52,446 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-13 13:40:52,627 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:40:52,627 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 13:40:52,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:40:52,628 INFO L85 PathProgramCache]: Analyzing trace with hash -1021728234, now seen corresponding path program 1 times [2024-11-13 13:40:52,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:40:52,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169415790] [2024-11-13 13:40:52,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:40:52,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:40:52,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:52,869 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:40:52,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:40:52,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169415790] [2024-11-13 13:40:52,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169415790] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:40:52,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1174573499] [2024-11-13 13:40:52,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:40:52,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:40:52,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:40:52,873 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:40:52,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-13 13:40:52,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:52,937 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 13:40:52,939 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:40:53,293 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:40:53,293 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:40:53,492 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:40:53,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1174573499] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:40:53,493 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:40:53,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 28 [2024-11-13 13:40:53,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577056848] [2024-11-13 13:40:53,494 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:40:53,494 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-13 13:40:53,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:40:53,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-13 13:40:53,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=186, Invalid=626, Unknown=0, NotChecked=0, Total=812 [2024-11-13 13:40:53,496 INFO L87 Difference]: Start difference. First operand 287 states and 375 transitions. Second operand has 29 states, 28 states have (on average 2.5) internal successors, (70), 29 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:53,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:40:53,845 INFO L93 Difference]: Finished difference Result 386 states and 497 transitions. [2024-11-13 13:40:53,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-13 13:40:53,845 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 2.5) internal successors, (70), 29 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2024-11-13 13:40:53,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:40:53,847 INFO L225 Difference]: With dead ends: 386 [2024-11-13 13:40:53,847 INFO L226 Difference]: Without dead ends: 375 [2024-11-13 13:40:53,848 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 388 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=256, Invalid=866, Unknown=0, NotChecked=0, Total=1122 [2024-11-13 13:40:53,848 INFO L432 NwaCegarLoop]: 6 mSDtfsCounter, 69 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 13:40:53,849 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 56 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 13:40:53,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2024-11-13 13:40:53,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 342. [2024-11-13 13:40:53,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 339 states have (on average 1.2979351032448379) internal successors, (440), 341 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:53,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 440 transitions. [2024-11-13 13:40:53,878 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 440 transitions. Word has length 24 [2024-11-13 13:40:53,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:40:53,879 INFO L471 AbstractCegarLoop]: Abstraction has 342 states and 440 transitions. [2024-11-13 13:40:53,879 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 2.5) internal successors, (70), 29 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:53,879 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 440 transitions. [2024-11-13 13:40:53,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 13:40:53,880 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:40:53,880 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:40:53,900 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-13 13:40:54,080 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:40:54,081 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 13:40:54,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:40:54,082 INFO L85 PathProgramCache]: Analyzing trace with hash 1077131827, now seen corresponding path program 1 times [2024-11-13 13:40:54,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:40:54,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345401291] [2024-11-13 13:40:54,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:40:54,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:40:54,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:54,278 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 13:40:54,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:40:54,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345401291] [2024-11-13 13:40:54,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345401291] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:40:54,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1448787520] [2024-11-13 13:40:54,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:40:54,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:40:54,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:40:54,282 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:40:54,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-13 13:40:54,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:54,333 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 13:40:54,334 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:40:54,385 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 13:40:54,385 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:40:54,584 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 13:40:54,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1448787520] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:40:54,584 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:40:54,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 21 [2024-11-13 13:40:54,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52758726] [2024-11-13 13:40:54,585 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:40:54,585 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-13 13:40:54,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:40:54,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-13 13:40:54,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2024-11-13 13:40:54,586 INFO L87 Difference]: Start difference. First operand 342 states and 440 transitions. Second operand has 22 states, 21 states have (on average 2.619047619047619) internal successors, (55), 22 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:54,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:40:54,742 INFO L93 Difference]: Finished difference Result 610 states and 818 transitions. [2024-11-13 13:40:54,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-13 13:40:54,743 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 2.619047619047619) internal successors, (55), 22 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2024-11-13 13:40:54,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:40:54,746 INFO L225 Difference]: With dead ends: 610 [2024-11-13 13:40:54,746 INFO L226 Difference]: Without dead ends: 609 [2024-11-13 13:40:54,747 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2024-11-13 13:40:54,747 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 189 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:40:54,748 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 152 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 13:40:54,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 609 states. [2024-11-13 13:40:54,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 609 to 582. [2024-11-13 13:40:54,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 582 states, 579 states have (on average 1.319516407599309) internal successors, (764), 581 states have internal predecessors, (764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:54,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 764 transitions. [2024-11-13 13:40:54,789 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 764 transitions. Word has length 28 [2024-11-13 13:40:54,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:40:54,789 INFO L471 AbstractCegarLoop]: Abstraction has 582 states and 764 transitions. [2024-11-13 13:40:54,790 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 2.619047619047619) internal successors, (55), 22 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:54,790 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 764 transitions. [2024-11-13 13:40:54,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 13:40:54,791 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:40:54,791 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:40:54,810 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-13 13:40:54,995 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:40:54,995 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 13:40:54,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:40:54,996 INFO L85 PathProgramCache]: Analyzing trace with hash -1481942866, now seen corresponding path program 1 times [2024-11-13 13:40:54,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:40:54,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386182182] [2024-11-13 13:40:54,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:40:54,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:40:55,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:55,152 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:40:55,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:40:55,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386182182] [2024-11-13 13:40:55,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386182182] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:40:55,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1191605864] [2024-11-13 13:40:55,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:40:55,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:40:55,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:40:55,155 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:40:55,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-13 13:40:55,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:55,214 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 13:40:55,215 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:40:55,273 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:40:55,273 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:40:55,467 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:40:55,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1191605864] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:40:55,467 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:40:55,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 21 [2024-11-13 13:40:55,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493563562] [2024-11-13 13:40:55,467 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:40:55,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-13 13:40:55,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:40:55,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-13 13:40:55,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2024-11-13 13:40:55,469 INFO L87 Difference]: Start difference. First operand 582 states and 764 transitions. Second operand has 22 states, 21 states have (on average 2.619047619047619) internal successors, (55), 22 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:55,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:40:55,805 INFO L93 Difference]: Finished difference Result 2213 states and 3094 transitions. [2024-11-13 13:40:55,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-13 13:40:55,808 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 2.619047619047619) internal successors, (55), 22 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2024-11-13 13:40:55,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:40:55,818 INFO L225 Difference]: With dead ends: 2213 [2024-11-13 13:40:55,818 INFO L226 Difference]: Without dead ends: 2212 [2024-11-13 13:40:55,821 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2024-11-13 13:40:55,822 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 152 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 13:40:55,823 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 125 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 13:40:55,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2212 states. [2024-11-13 13:40:55,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2212 to 1083. [2024-11-13 13:40:55,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1080 states have (on average 1.3694444444444445) internal successors, (1479), 1082 states have internal predecessors, (1479), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:55,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1479 transitions. [2024-11-13 13:40:55,902 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1479 transitions. Word has length 28 [2024-11-13 13:40:55,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:40:55,904 INFO L471 AbstractCegarLoop]: Abstraction has 1083 states and 1479 transitions. [2024-11-13 13:40:55,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 2.619047619047619) internal successors, (55), 22 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:55,904 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1479 transitions. [2024-11-13 13:40:55,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-13 13:40:55,905 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:40:55,905 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:40:55,926 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-13 13:40:56,109 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:40:56,109 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 13:40:56,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:40:56,110 INFO L85 PathProgramCache]: Analyzing trace with hash -801643526, now seen corresponding path program 1 times [2024-11-13 13:40:56,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:40:56,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358362767] [2024-11-13 13:40:56,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:40:56,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:40:56,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:56,342 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:40:56,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:40:56,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358362767] [2024-11-13 13:40:56,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358362767] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:40:56,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [472309028] [2024-11-13 13:40:56,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:40:56,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:40:56,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:40:56,345 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:40:56,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-13 13:40:56,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:56,401 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 13:40:56,402 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:40:56,661 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:40:56,661 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:40:56,944 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:40:56,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [472309028] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:40:56,945 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:40:56,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 34 [2024-11-13 13:40:56,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893237982] [2024-11-13 13:40:56,945 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:40:56,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-11-13 13:40:56,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:40:56,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-11-13 13:40:56,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=252, Invalid=938, Unknown=0, NotChecked=0, Total=1190 [2024-11-13 13:40:56,950 INFO L87 Difference]: Start difference. First operand 1083 states and 1479 transitions. Second operand has 35 states, 34 states have (on average 2.5) internal successors, (85), 35 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:57,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:40:57,321 INFO L93 Difference]: Finished difference Result 1322 states and 1807 transitions. [2024-11-13 13:40:57,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-13 13:40:57,322 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 34 states have (on average 2.5) internal successors, (85), 35 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2024-11-13 13:40:57,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:40:57,327 INFO L225 Difference]: With dead ends: 1322 [2024-11-13 13:40:57,328 INFO L226 Difference]: Without dead ends: 1303 [2024-11-13 13:40:57,329 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 567 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=296, Invalid=1110, Unknown=0, NotChecked=0, Total=1406 [2024-11-13 13:40:57,329 INFO L432 NwaCegarLoop]: 7 mSDtfsCounter, 89 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 13:40:57,329 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 58 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 13:40:57,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1303 states. [2024-11-13 13:40:57,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1303 to 1222. [2024-11-13 13:40:57,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1222 states, 1219 states have (on average 1.3609515996718622) internal successors, (1659), 1221 states have internal predecessors, (1659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:57,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1222 states to 1222 states and 1659 transitions. [2024-11-13 13:40:57,422 INFO L78 Accepts]: Start accepts. Automaton has 1222 states and 1659 transitions. Word has length 29 [2024-11-13 13:40:57,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:40:57,423 INFO L471 AbstractCegarLoop]: Abstraction has 1222 states and 1659 transitions. [2024-11-13 13:40:57,423 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 34 states have (on average 2.5) internal successors, (85), 35 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:57,423 INFO L276 IsEmpty]: Start isEmpty. Operand 1222 states and 1659 transitions. [2024-11-13 13:40:57,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-13 13:40:57,426 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:40:57,426 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:40:57,447 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-13 13:40:57,630 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-11-13 13:40:57,630 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 13:40:57,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:40:57,631 INFO L85 PathProgramCache]: Analyzing trace with hash -1129722256, now seen corresponding path program 2 times [2024-11-13 13:40:57,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:40:57,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612055385] [2024-11-13 13:40:57,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:40:57,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:40:57,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:57,916 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:40:57,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:40:57,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612055385] [2024-11-13 13:40:57,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612055385] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:40:57,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [288220198] [2024-11-13 13:40:57,917 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 13:40:57,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:40:57,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:40:57,919 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:40:57,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-13 13:40:57,983 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 13:40:57,983 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 13:40:57,984 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 13:40:57,986 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:40:58,361 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:40:58,361 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:40:58,732 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:40:58,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [288220198] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:40:58,732 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:40:58,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 46 [2024-11-13 13:40:58,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204828767] [2024-11-13 13:40:58,733 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:40:58,733 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2024-11-13 13:40:58,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:40:58,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2024-11-13 13:40:58,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=432, Invalid=1730, Unknown=0, NotChecked=0, Total=2162 [2024-11-13 13:40:58,735 INFO L87 Difference]: Start difference. First operand 1222 states and 1659 transitions. Second operand has 47 states, 46 states have (on average 2.369565217391304) internal successors, (109), 47 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:59,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:40:59,425 INFO L93 Difference]: Finished difference Result 1991 states and 2696 transitions. [2024-11-13 13:40:59,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-11-13 13:40:59,426 INFO L78 Accepts]: Start accepts. Automaton has has 47 states, 46 states have (on average 2.369565217391304) internal successors, (109), 47 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2024-11-13 13:40:59,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:40:59,435 INFO L225 Difference]: With dead ends: 1991 [2024-11-13 13:40:59,435 INFO L226 Difference]: Without dead ends: 1970 [2024-11-13 13:40:59,436 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1232 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=593, Invalid=2377, Unknown=0, NotChecked=0, Total=2970 [2024-11-13 13:40:59,438 INFO L432 NwaCegarLoop]: 7 mSDtfsCounter, 131 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 383 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:40:59,439 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 98 Invalid, 390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 383 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 13:40:59,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1970 states. [2024-11-13 13:40:59,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1970 to 1727. [2024-11-13 13:40:59,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1727 states, 1724 states have (on average 1.33584686774942) internal successors, (2303), 1726 states have internal predecessors, (2303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:59,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1727 states to 1727 states and 2303 transitions. [2024-11-13 13:40:59,573 INFO L78 Accepts]: Start accepts. Automaton has 1727 states and 2303 transitions. Word has length 37 [2024-11-13 13:40:59,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:40:59,574 INFO L471 AbstractCegarLoop]: Abstraction has 1727 states and 2303 transitions. [2024-11-13 13:40:59,574 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 46 states have (on average 2.369565217391304) internal successors, (109), 47 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:59,574 INFO L276 IsEmpty]: Start isEmpty. Operand 1727 states and 2303 transitions. [2024-11-13 13:40:59,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-13 13:40:59,577 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:40:59,578 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:40:59,601 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-13 13:40:59,778 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:40:59,778 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 13:40:59,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:40:59,779 INFO L85 PathProgramCache]: Analyzing trace with hash -1263380941, now seen corresponding path program 1 times [2024-11-13 13:40:59,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:40:59,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996808541] [2024-11-13 13:40:59,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:40:59,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:40:59,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:41:00,194 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:41:00,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:41:00,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996808541] [2024-11-13 13:41:00,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996808541] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:41:00,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [313190230] [2024-11-13 13:41:00,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:41:00,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:41:00,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:41:00,199 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:41:00,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-13 13:41:00,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:41:00,256 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 13:41:00,258 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:41:00,731 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:41:00,731 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:41:01,196 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:41:01,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [313190230] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:41:01,196 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:41:01,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 52 [2024-11-13 13:41:01,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994854520] [2024-11-13 13:41:01,197 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:41:01,197 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2024-11-13 13:41:01,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:41:01,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2024-11-13 13:41:01,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=610, Invalid=2146, Unknown=0, NotChecked=0, Total=2756 [2024-11-13 13:41:01,200 INFO L87 Difference]: Start difference. First operand 1727 states and 2303 transitions. Second operand has 53 states, 52 states have (on average 2.326923076923077) internal successors, (121), 53 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:41:01,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:41:01,716 INFO L93 Difference]: Finished difference Result 1997 states and 2666 transitions. [2024-11-13 13:41:01,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-13 13:41:01,717 INFO L78 Accepts]: Start accepts. Automaton has has 53 states, 52 states have (on average 2.326923076923077) internal successors, (121), 53 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2024-11-13 13:41:01,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:41:01,723 INFO L225 Difference]: With dead ends: 1997 [2024-11-13 13:41:01,723 INFO L226 Difference]: Without dead ends: 1974 [2024-11-13 13:41:01,725 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1353 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=637, Invalid=2225, Unknown=0, NotChecked=0, Total=2862 [2024-11-13 13:41:01,725 INFO L432 NwaCegarLoop]: 7 mSDtfsCounter, 150 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 380 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 380 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:41:01,726 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 89 Invalid, 384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 380 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 13:41:01,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1974 states. [2024-11-13 13:41:01,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1974 to 1847. [2024-11-13 13:41:01,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1847 states, 1844 states have (on average 1.338937093275488) internal successors, (2469), 1846 states have internal predecessors, (2469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:41:01,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1847 states to 1847 states and 2469 transitions. [2024-11-13 13:41:01,876 INFO L78 Accepts]: Start accepts. Automaton has 1847 states and 2469 transitions. Word has length 41 [2024-11-13 13:41:01,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:41:01,878 INFO L471 AbstractCegarLoop]: Abstraction has 1847 states and 2469 transitions. [2024-11-13 13:41:01,879 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 52 states have (on average 2.326923076923077) internal successors, (121), 53 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:41:01,879 INFO L276 IsEmpty]: Start isEmpty. Operand 1847 states and 2469 transitions. [2024-11-13 13:41:01,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 13:41:01,881 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:41:01,881 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-13 13:41:01,902 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-13 13:41:02,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:41:02,086 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 13:41:02,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:41:02,087 INFO L85 PathProgramCache]: Analyzing trace with hash -1345443482, now seen corresponding path program 3 times [2024-11-13 13:41:02,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:41:02,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980676763] [2024-11-13 13:41:02,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:41:02,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:41:02,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:41:02,437 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:41:02,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:41:02,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980676763] [2024-11-13 13:41:02,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [980676763] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:41:02,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [920484570] [2024-11-13 13:41:02,437 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-13 13:41:02,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:41:02,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:41:02,439 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:41:02,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-13 13:41:02,492 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-13 13:41:02,493 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 13:41:02,494 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 13:41:02,495 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:41:02,625 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 45 proven. 9 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-13 13:41:02,625 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:41:02,691 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 45 proven. 9 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-13 13:41:02,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [920484570] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:41:02,691 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:41:02,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 6, 6] total 25 [2024-11-13 13:41:02,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906451604] [2024-11-13 13:41:02,691 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:41:02,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-13 13:41:02,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:41:02,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-13 13:41:02,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=492, Unknown=0, NotChecked=0, Total=600 [2024-11-13 13:41:02,693 INFO L87 Difference]: Start difference. First operand 1847 states and 2469 transitions. Second operand has 25 states, 25 states have (on average 3.2) internal successors, (80), 25 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:41:03,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:41:03,587 INFO L93 Difference]: Finished difference Result 2219 states and 2961 transitions. [2024-11-13 13:41:03,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-13 13:41:03,588 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 3.2) internal successors, (80), 25 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47 [2024-11-13 13:41:03,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:41:03,591 INFO L225 Difference]: With dead ends: 2219 [2024-11-13 13:41:03,591 INFO L226 Difference]: Without dead ends: 498 [2024-11-13 13:41:03,596 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 95 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 460 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=342, Invalid=2108, Unknown=0, NotChecked=0, Total=2450 [2024-11-13 13:41:03,597 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 80 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 429 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:41:03,597 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 111 Invalid, 439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 429 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 13:41:03,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 498 states. [2024-11-13 13:41:03,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 498 to 422. [2024-11-13 13:41:03,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 419 states have (on average 1.1431980906921242) internal successors, (479), 421 states have internal predecessors, (479), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:41:03,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 479 transitions. [2024-11-13 13:41:03,642 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 479 transitions. Word has length 47 [2024-11-13 13:41:03,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:41:03,642 INFO L471 AbstractCegarLoop]: Abstraction has 422 states and 479 transitions. [2024-11-13 13:41:03,642 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 3.2) internal successors, (80), 25 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:41:03,642 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 479 transitions. [2024-11-13 13:41:03,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-13 13:41:03,644 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:41:03,644 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1] [2024-11-13 13:41:03,665 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-13 13:41:03,849 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:41:03,849 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 13:41:03,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:41:03,849 INFO L85 PathProgramCache]: Analyzing trace with hash 1221449687, now seen corresponding path program 1 times [2024-11-13 13:41:03,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:41:03,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373525102] [2024-11-13 13:41:03,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:41:03,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:41:03,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:41:04,228 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:41:04,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:41:04,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373525102] [2024-11-13 13:41:04,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373525102] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:41:04,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [577800966] [2024-11-13 13:41:04,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:41:04,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:41:04,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:41:04,231 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:41:04,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-13 13:41:04,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:41:04,291 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-13 13:41:04,292 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:41:04,815 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:41:04,815 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:41:05,288 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:41:05,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [577800966] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:41:05,288 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:41:05,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20, 20] total 58 [2024-11-13 13:41:05,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521040794] [2024-11-13 13:41:05,289 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:41:05,289 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 59 states [2024-11-13 13:41:05,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:41:05,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2024-11-13 13:41:05,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=676, Invalid=2746, Unknown=0, NotChecked=0, Total=3422 [2024-11-13 13:41:05,291 INFO L87 Difference]: Start difference. First operand 422 states and 479 transitions. Second operand has 59 states, 58 states have (on average 2.5517241379310347) internal successors, (148), 59 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:41:05,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:41:05,725 INFO L93 Difference]: Finished difference Result 454 states and 515 transitions. [2024-11-13 13:41:05,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-11-13 13:41:05,725 INFO L78 Accepts]: Start accepts. Automaton has has 59 states, 58 states have (on average 2.5517241379310347) internal successors, (148), 59 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2024-11-13 13:41:05,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:41:05,727 INFO L225 Difference]: With dead ends: 454 [2024-11-13 13:41:05,727 INFO L226 Difference]: Without dead ends: 433 [2024-11-13 13:41:05,729 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1927 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=840, Invalid=3450, Unknown=0, NotChecked=0, Total=4290 [2024-11-13 13:41:05,731 INFO L432 NwaCegarLoop]: 6 mSDtfsCounter, 103 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 332 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 335 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 332 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 13:41:05,731 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 78 Invalid, 335 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 332 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 13:41:05,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2024-11-13 13:41:05,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 415. [2024-11-13 13:41:05,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 415 states, 412 states have (on average 1.1213592233009708) internal successors, (462), 414 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:41:05,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 462 transitions. [2024-11-13 13:41:05,781 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 462 transitions. Word has length 50 [2024-11-13 13:41:05,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:41:05,782 INFO L471 AbstractCegarLoop]: Abstraction has 415 states and 462 transitions. [2024-11-13 13:41:05,782 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 59 states, 58 states have (on average 2.5517241379310347) internal successors, (148), 59 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:41:05,782 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 462 transitions. [2024-11-13 13:41:05,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-13 13:41:05,782 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:41:05,782 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:41:05,800 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-13 13:41:05,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:41:05,983 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 13:41:05,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:41:05,983 INFO L85 PathProgramCache]: Analyzing trace with hash -1203684013, now seen corresponding path program 2 times [2024-11-13 13:41:05,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:41:05,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157585907] [2024-11-13 13:41:05,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:41:05,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:41:05,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:41:06,475 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 0 proven. 191 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:41:06,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:41:06,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157585907] [2024-11-13 13:41:06,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157585907] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:41:06,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [640028888] [2024-11-13 13:41:06,476 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 13:41:06,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:41:06,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:41:06,478 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:41:06,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-13 13:41:06,538 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 13:41:06,538 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 13:41:06,539 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-13 13:41:06,541 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:41:07,180 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 0 proven. 191 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:41:07,180 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:41:07,960 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 0 proven. 191 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:41:07,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [640028888] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:41:07,960 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:41:07,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 70 [2024-11-13 13:41:07,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106330122] [2024-11-13 13:41:07,960 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:41:07,961 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 71 states [2024-11-13 13:41:07,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:41:07,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2024-11-13 13:41:07,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1096, Invalid=3874, Unknown=0, NotChecked=0, Total=4970 [2024-11-13 13:41:07,963 INFO L87 Difference]: Start difference. First operand 415 states and 462 transitions. Second operand has 71 states, 70 states have (on average 2.2) internal successors, (154), 71 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:41:08,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:41:08,793 INFO L93 Difference]: Finished difference Result 630 states and 720 transitions. [2024-11-13 13:41:08,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2024-11-13 13:41:08,793 INFO L78 Accepts]: Start accepts. Automaton has has 71 states, 70 states have (on average 2.2) internal successors, (154), 71 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2024-11-13 13:41:08,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:41:08,795 INFO L225 Difference]: With dead ends: 630 [2024-11-13 13:41:08,796 INFO L226 Difference]: Without dead ends: 603 [2024-11-13 13:41:08,798 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3293 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=1754, Invalid=6256, Unknown=0, NotChecked=0, Total=8010 [2024-11-13 13:41:08,798 INFO L432 NwaCegarLoop]: 6 mSDtfsCounter, 316 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 429 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 316 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:41:08,799 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [316 Valid, 107 Invalid, 430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 429 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 13:41:08,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 603 states. [2024-11-13 13:41:08,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 603 to 603. [2024-11-13 13:41:08,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 603 states, 600 states have (on average 1.1183333333333334) internal successors, (671), 602 states have internal predecessors, (671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:41:08,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 603 states and 671 transitions. [2024-11-13 13:41:08,860 INFO L78 Accepts]: Start accepts. Automaton has 603 states and 671 transitions. Word has length 52 [2024-11-13 13:41:08,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:41:08,860 INFO L471 AbstractCegarLoop]: Abstraction has 603 states and 671 transitions. [2024-11-13 13:41:08,860 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 71 states, 70 states have (on average 2.2) internal successors, (154), 71 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:41:08,860 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 671 transitions. [2024-11-13 13:41:08,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-13 13:41:08,861 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:41:08,861 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:41:08,883 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-13 13:41:09,062 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:41:09,062 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 13:41:09,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:41:09,062 INFO L85 PathProgramCache]: Analyzing trace with hash -1203682475, now seen corresponding path program 2 times [2024-11-13 13:41:09,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:41:09,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538456924] [2024-11-13 13:41:09,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:41:09,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:41:09,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:41:09,486 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 13:41:09,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:41:09,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538456924] [2024-11-13 13:41:09,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538456924] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:41:09,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [770707302] [2024-11-13 13:41:09,487 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 13:41:09,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:41:09,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:41:09,490 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:41:09,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-13 13:41:09,549 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-13 13:41:09,549 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 13:41:09,549 INFO L255 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 13:41:09,551 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:41:09,657 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2024-11-13 13:41:09,658 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:41:09,752 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2024-11-13 13:41:09,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [770707302] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:41:09,753 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:41:09,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 3, 3] total 25 [2024-11-13 13:41:09,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720736412] [2024-11-13 13:41:09,753 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:41:09,753 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-13 13:41:09,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:41:09,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-13 13:41:09,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=170, Invalid=480, Unknown=0, NotChecked=0, Total=650 [2024-11-13 13:41:09,755 INFO L87 Difference]: Start difference. First operand 603 states and 671 transitions. Second operand has 26 states, 25 states have (on average 2.68) internal successors, (67), 26 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:41:10,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:41:10,269 INFO L93 Difference]: Finished difference Result 650 states and 722 transitions. [2024-11-13 13:41:10,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-13 13:41:10,270 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 2.68) internal successors, (67), 26 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2024-11-13 13:41:10,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:41:10,271 INFO L225 Difference]: With dead ends: 650 [2024-11-13 13:41:10,271 INFO L226 Difference]: Without dead ends: 649 [2024-11-13 13:41:10,272 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 100 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 404 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=504, Invalid=1848, Unknown=0, NotChecked=0, Total=2352 [2024-11-13 13:41:10,273 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 232 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:41:10,273 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [232 Valid, 173 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 13:41:10,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 649 states. [2024-11-13 13:41:10,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 649 to 354. [2024-11-13 13:41:10,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 352 states have (on average 1.0596590909090908) internal successors, (373), 353 states have internal predecessors, (373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:41:10,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 373 transitions. [2024-11-13 13:41:10,333 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 373 transitions. Word has length 52 [2024-11-13 13:41:10,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:41:10,333 INFO L471 AbstractCegarLoop]: Abstraction has 354 states and 373 transitions. [2024-11-13 13:41:10,333 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 2.68) internal successors, (67), 26 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:41:10,333 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 373 transitions. [2024-11-13 13:41:10,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-13 13:41:10,334 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:41:10,334 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 8, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:41:10,347 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-11-13 13:41:10,534 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-13 13:41:10,535 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 13:41:10,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:41:10,535 INFO L85 PathProgramCache]: Analyzing trace with hash 1737351852, now seen corresponding path program 1 times [2024-11-13 13:41:10,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:41:10,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192276749] [2024-11-13 13:41:10,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:41:10,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:41:10,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:41:11,114 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 170 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:41:11,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:41:11,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192276749] [2024-11-13 13:41:11,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192276749] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:41:11,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [104933870] [2024-11-13 13:41:11,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:41:11,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:41:11,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:41:11,117 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:41:11,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-13 13:41:11,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:41:11,185 INFO L255 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-13 13:41:11,187 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:41:11,892 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 170 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:41:11,892 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:41:12,738 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 170 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:41:12,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [104933870] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:41:12,738 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:41:12,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26, 26] total 76 [2024-11-13 13:41:12,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511947101] [2024-11-13 13:41:12,739 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:41:12,739 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 77 states [2024-11-13 13:41:12,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:41:12,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2024-11-13 13:41:12,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1162, Invalid=4690, Unknown=0, NotChecked=0, Total=5852 [2024-11-13 13:41:12,742 INFO L87 Difference]: Start difference. First operand 354 states and 373 transitions. Second operand has 77 states, 76 states have (on average 2.263157894736842) internal successors, (172), 77 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:41:13,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:41:13,608 INFO L93 Difference]: Finished difference Result 641 states and 678 transitions. [2024-11-13 13:41:13,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-11-13 13:41:13,609 INFO L78 Accepts]: Start accepts. Automaton has has 77 states, 76 states have (on average 2.263157894736842) internal successors, (172), 77 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2024-11-13 13:41:13,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:41:13,610 INFO L225 Difference]: With dead ends: 641 [2024-11-13 13:41:13,610 INFO L226 Difference]: Without dead ends: 620 [2024-11-13 13:41:13,613 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3872 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=1783, Invalid=7147, Unknown=0, NotChecked=0, Total=8930 [2024-11-13 13:41:13,613 INFO L432 NwaCegarLoop]: 6 mSDtfsCounter, 275 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:41:13,614 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [275 Valid, 111 Invalid, 450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 448 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 13:41:13,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 620 states. [2024-11-13 13:41:13,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 620 to 354. [2024-11-13 13:41:13,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 352 states have (on average 1.0596590909090908) internal successors, (373), 353 states have internal predecessors, (373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:41:13,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 373 transitions. [2024-11-13 13:41:13,699 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 373 transitions. Word has length 58 [2024-11-13 13:41:13,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:41:13,700 INFO L471 AbstractCegarLoop]: Abstraction has 354 states and 373 transitions. [2024-11-13 13:41:13,700 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 77 states, 76 states have (on average 2.263157894736842) internal successors, (172), 77 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:41:13,700 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 373 transitions. [2024-11-13 13:41:13,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-13 13:41:13,701 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:41:13,701 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1] [2024-11-13 13:41:13,719 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-13 13:41:13,905 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:41:13,905 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 13:41:13,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:41:13,905 INFO L85 PathProgramCache]: Analyzing trace with hash -173751650, now seen corresponding path program 2 times [2024-11-13 13:41:13,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:41:13,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605294997] [2024-11-13 13:41:13,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:41:13,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:41:13,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:41:14,600 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 0 proven. 194 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:41:14,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:41:14,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605294997] [2024-11-13 13:41:14,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605294997] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:41:14,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1665398513] [2024-11-13 13:41:14,601 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 13:41:14,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:41:14,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:41:14,603 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:41:14,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-13 13:41:14,670 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 13:41:14,671 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 13:41:14,672 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-13 13:41:14,674 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:41:15,503 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 0 proven. 194 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:41:15,503 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:41:16,432 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 0 proven. 194 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:41:16,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1665398513] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:41:16,432 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:41:16,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30, 30] total 88 [2024-11-13 13:41:16,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952883895] [2024-11-13 13:41:16,432 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:41:16,433 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 89 states [2024-11-13 13:41:16,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:41:16,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants. [2024-11-13 13:41:16,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1438, Invalid=6394, Unknown=0, NotChecked=0, Total=7832 [2024-11-13 13:41:16,436 INFO L87 Difference]: Start difference. First operand 354 states and 373 transitions. Second operand has 89 states, 88 states have (on average 2.3636363636363638) internal successors, (208), 89 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:41:17,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:41:17,520 INFO L93 Difference]: Finished difference Result 788 states and 826 transitions. [2024-11-13 13:41:17,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-11-13 13:41:17,521 INFO L78 Accepts]: Start accepts. Automaton has has 89 states, 88 states have (on average 2.3636363636363638) internal successors, (208), 89 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2024-11-13 13:41:17,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:41:17,527 INFO L225 Difference]: With dead ends: 788 [2024-11-13 13:41:17,527 INFO L226 Difference]: Without dead ends: 765 [2024-11-13 13:41:17,528 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5042 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=2007, Invalid=8913, Unknown=0, NotChecked=0, Total=10920 [2024-11-13 13:41:17,532 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 181 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 542 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 542 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:41:17,532 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 115 Invalid, 546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 542 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 13:41:17,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 765 states. [2024-11-13 13:41:17,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 765 to 359. [2024-11-13 13:41:17,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 359 states, 357 states have (on average 1.0644257703081232) internal successors, (380), 358 states have internal predecessors, (380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:41:17,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 380 transitions. [2024-11-13 13:41:17,673 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 380 transitions. Word has length 70 [2024-11-13 13:41:17,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:41:17,674 INFO L471 AbstractCegarLoop]: Abstraction has 359 states and 380 transitions. [2024-11-13 13:41:17,674 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 89 states, 88 states have (on average 2.3636363636363638) internal successors, (208), 89 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:41:17,674 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 380 transitions. [2024-11-13 13:41:17,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-13 13:41:17,675 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:41:17,675 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 11, 6, 6, 5, 5, 5, 5, 5, 5, 1, 1, 1] [2024-11-13 13:41:17,696 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-11-13 13:41:17,879 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2024-11-13 13:41:17,884 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 13:41:17,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:41:17,884 INFO L85 PathProgramCache]: Analyzing trace with hash -1846814321, now seen corresponding path program 2 times [2024-11-13 13:41:17,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:41:17,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810822300] [2024-11-13 13:41:17,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:41:17,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:41:17,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:41:18,416 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 0 proven. 318 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:41:18,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:41:18,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810822300] [2024-11-13 13:41:18,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1810822300] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:41:18,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1598577974] [2024-11-13 13:41:18,418 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 13:41:18,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:41:18,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:41:18,420 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:41:18,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-13 13:41:18,472 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-13 13:41:18,473 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 13:41:18,473 INFO L255 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 13:41:18,475 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:41:18,613 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked. [2024-11-13 13:41:18,613 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:41:18,747 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked. [2024-11-13 13:41:18,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1598577974] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:41:18,748 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:41:18,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 3, 3] total 27 [2024-11-13 13:41:18,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815845047] [2024-11-13 13:41:18,749 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:41:18,750 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-13 13:41:18,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:41:18,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-13 13:41:18,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=197, Invalid=559, Unknown=0, NotChecked=0, Total=756 [2024-11-13 13:41:18,753 INFO L87 Difference]: Start difference. First operand 359 states and 380 transitions. Second operand has 28 states, 27 states have (on average 3.5185185185185186) internal successors, (95), 28 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:41:19,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:41:19,571 INFO L93 Difference]: Finished difference Result 1097 states and 1130 transitions. [2024-11-13 13:41:19,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-13 13:41:19,571 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 3.5185185185185186) internal successors, (95), 28 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2024-11-13 13:41:19,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:41:19,574 INFO L225 Difference]: With dead ends: 1097 [2024-11-13 13:41:19,574 INFO L226 Difference]: Without dead ends: 1096 [2024-11-13 13:41:19,574 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 156 SyntacticMatches, 1 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 477 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=585, Invalid=2171, Unknown=0, NotChecked=0, Total=2756 [2024-11-13 13:41:19,576 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 133 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 13:41:19,576 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 121 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 13:41:19,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1096 states. [2024-11-13 13:41:19,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1096 to 358. [2024-11-13 13:41:19,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 358 states, 357 states have (on average 1.0532212885154062) internal successors, (376), 357 states have internal predecessors, (376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:41:19,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 376 transitions. [2024-11-13 13:41:19,655 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 376 transitions. Word has length 80 [2024-11-13 13:41:19,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:41:19,655 INFO L471 AbstractCegarLoop]: Abstraction has 358 states and 376 transitions. [2024-11-13 13:41:19,656 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 3.5185185185185186) internal successors, (95), 28 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:41:19,656 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 376 transitions. [2024-11-13 13:41:19,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-13 13:41:19,656 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:41:19,656 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:41:19,671 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-11-13 13:41:19,857 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2024-11-13 13:41:19,857 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 13:41:19,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:41:19,857 INFO L85 PathProgramCache]: Analyzing trace with hash -162883972, now seen corresponding path program 3 times [2024-11-13 13:41:19,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:41:19,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58461817] [2024-11-13 13:41:19,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:41:19,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:41:19,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:41:21,144 INFO L134 CoverageAnalysis]: Checked inductivity of 862 backedges. 0 proven. 862 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:41:21,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:41:21,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58461817] [2024-11-13 13:41:21,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58461817] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:41:21,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1082105021] [2024-11-13 13:41:21,145 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-13 13:41:21,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:41:21,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:41:21,147 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:41:21,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-13 13:41:21,236 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 22 check-sat command(s) [2024-11-13 13:41:21,236 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 13:41:21,238 INFO L255 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-13 13:41:21,240 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:41:22,701 INFO L134 CoverageAnalysis]: Checked inductivity of 862 backedges. 0 proven. 862 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:41:22,701 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:41:24,786 INFO L134 CoverageAnalysis]: Checked inductivity of 862 backedges. 0 proven. 862 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:41:24,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1082105021] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:41:24,786 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:41:24,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 46, 46] total 136 [2024-11-13 13:41:24,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863276539] [2024-11-13 13:41:24,787 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:41:24,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 137 states [2024-11-13 13:41:24,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:41:24,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 137 interpolants. [2024-11-13 13:41:24,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4110, Invalid=14522, Unknown=0, NotChecked=0, Total=18632 [2024-11-13 13:41:24,791 INFO L87 Difference]: Start difference. First operand 358 states and 376 transitions. Second operand has 137 states, 136 states have (on average 2.1029411764705883) internal successors, (286), 137 states have internal predecessors, (286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:41:27,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:41:27,179 INFO L93 Difference]: Finished difference Result 937 states and 998 transitions. [2024-11-13 13:41:27,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2024-11-13 13:41:27,180 INFO L78 Accepts]: Start accepts. Automaton has has 137 states, 136 states have (on average 2.1029411764705883) internal successors, (286), 137 states have internal predecessors, (286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-11-13 13:41:27,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:41:27,182 INFO L225 Difference]: With dead ends: 937 [2024-11-13 13:41:27,182 INFO L226 Difference]: Without dead ends: 890 [2024-11-13 13:41:27,185 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 277 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 176 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13600 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=6880, Invalid=24626, Unknown=0, NotChecked=0, Total=31506 [2024-11-13 13:41:27,185 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 762 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 659 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 762 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 660 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 659 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-13 13:41:27,185 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [762 Valid, 174 Invalid, 660 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 659 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-13 13:41:27,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 890 states. [2024-11-13 13:41:27,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 890 to 600. [2024-11-13 13:41:27,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 600 states, 599 states have (on average 1.0317195325542572) internal successors, (618), 599 states have internal predecessors, (618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:41:27,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 618 transitions. [2024-11-13 13:41:27,303 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 618 transitions. Word has length 96 [2024-11-13 13:41:27,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:41:27,304 INFO L471 AbstractCegarLoop]: Abstraction has 600 states and 618 transitions. [2024-11-13 13:41:27,304 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 137 states, 136 states have (on average 2.1029411764705883) internal successors, (286), 137 states have internal predecessors, (286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:41:27,304 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 618 transitions. [2024-11-13 13:41:27,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-13 13:41:27,305 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:41:27,305 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 14, 5, 5, 5, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-13 13:41:27,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-11-13 13:41:27,506 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2024-11-13 13:41:27,506 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 13:41:27,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:41:27,506 INFO L85 PathProgramCache]: Analyzing trace with hash -699210595, now seen corresponding path program 3 times [2024-11-13 13:41:27,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:41:27,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864446601] [2024-11-13 13:41:27,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:41:27,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:41:27,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:41:28,744 INFO L134 CoverageAnalysis]: Checked inductivity of 547 backedges. 0 proven. 547 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:41:28,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:41:28,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864446601] [2024-11-13 13:41:28,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [864446601] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:41:28,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1243192240] [2024-11-13 13:41:28,745 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-13 13:41:28,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:41:28,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:41:28,747 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:41:28,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-13 13:41:28,825 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2024-11-13 13:41:28,825 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 13:41:28,826 INFO L255 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-13 13:41:28,828 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:41:30,221 INFO L134 CoverageAnalysis]: Checked inductivity of 547 backedges. 0 proven. 547 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:41:30,221 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:41:32,043 INFO L134 CoverageAnalysis]: Checked inductivity of 547 backedges. 0 proven. 547 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:41:32,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1243192240] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:41:32,043 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:41:32,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 44, 44] total 130 [2024-11-13 13:41:32,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645045947] [2024-11-13 13:41:32,043 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:41:32,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 131 states [2024-11-13 13:41:32,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:41:32,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 131 interpolants. [2024-11-13 13:41:32,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3276, Invalid=13754, Unknown=0, NotChecked=0, Total=17030 [2024-11-13 13:41:32,047 INFO L87 Difference]: Start difference. First operand 600 states and 618 transitions. Second operand has 131 states, 130 states have (on average 2.2) internal successors, (286), 131 states have internal predecessors, (286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:41:34,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:41:34,080 INFO L93 Difference]: Finished difference Result 1390 states and 1442 transitions. [2024-11-13 13:41:34,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2024-11-13 13:41:34,081 INFO L78 Accepts]: Start accepts. Automaton has has 131 states, 130 states have (on average 2.2) internal successors, (286), 131 states have internal predecessors, (286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-11-13 13:41:34,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:41:34,084 INFO L225 Difference]: With dead ends: 1390 [2024-11-13 13:41:34,084 INFO L226 Difference]: Without dead ends: 1351 [2024-11-13 13:41:34,086 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 267 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 162 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12134 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=5195, Invalid=21537, Unknown=0, NotChecked=0, Total=26732 [2024-11-13 13:41:34,087 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 500 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 744 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 500 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 747 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 744 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 13:41:34,087 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [500 Valid, 164 Invalid, 747 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 744 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 13:41:34,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1351 states. [2024-11-13 13:41:34,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1351 to 600. [2024-11-13 13:41:34,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 600 states, 599 states have (on average 1.0317195325542572) internal successors, (618), 599 states have internal predecessors, (618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:41:34,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 618 transitions. [2024-11-13 13:41:34,263 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 618 transitions. Word has length 96 [2024-11-13 13:41:34,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:41:34,263 INFO L471 AbstractCegarLoop]: Abstraction has 600 states and 618 transitions. [2024-11-13 13:41:34,263 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 131 states, 130 states have (on average 2.2) internal successors, (286), 131 states have internal predecessors, (286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:41:34,263 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 618 transitions. [2024-11-13 13:41:34,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-13 13:41:34,265 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:41:34,265 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 7, 7, 7, 7, 6, 6, 6, 6, 1, 1, 1, 1, 1] [2024-11-13 13:41:34,279 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-11-13 13:41:34,465 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2024-11-13 13:41:34,465 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 13:41:34,465 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:41:34,466 INFO L85 PathProgramCache]: Analyzing trace with hash -5850503, now seen corresponding path program 2 times [2024-11-13 13:41:34,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:41:34,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121118775] [2024-11-13 13:41:34,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:41:34,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:41:34,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:41:35,546 INFO L134 CoverageAnalysis]: Checked inductivity of 472 backedges. 0 proven. 472 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:41:35,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:41:35,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121118775] [2024-11-13 13:41:35,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [121118775] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:41:35,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [585605717] [2024-11-13 13:41:35,547 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 13:41:35,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:41:35,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:41:35,548 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:41:35,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-13 13:41:35,616 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 13:41:35,616 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 13:41:35,617 INFO L255 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-13 13:41:35,619 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:41:36,891 INFO L134 CoverageAnalysis]: Checked inductivity of 472 backedges. 0 proven. 472 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:41:36,892 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:41:38,568 INFO L134 CoverageAnalysis]: Checked inductivity of 472 backedges. 0 proven. 472 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:41:38,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [585605717] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:41:38,569 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:41:38,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 42, 42] total 124 [2024-11-13 13:41:38,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003137038] [2024-11-13 13:41:38,569 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:41:38,570 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 125 states [2024-11-13 13:41:38,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:41:38,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 125 interpolants. [2024-11-13 13:41:38,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2898, Invalid=12602, Unknown=0, NotChecked=0, Total=15500 [2024-11-13 13:41:38,573 INFO L87 Difference]: Start difference. First operand 600 states and 618 transitions. Second operand has 125 states, 124 states have (on average 2.379032258064516) internal successors, (295), 125 states have internal predecessors, (295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:41:40,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:41:40,022 INFO L93 Difference]: Finished difference Result 1156 states and 1209 transitions. [2024-11-13 13:41:40,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2024-11-13 13:41:40,023 INFO L78 Accepts]: Start accepts. Automaton has has 125 states, 124 states have (on average 2.379032258064516) internal successors, (295), 125 states have internal predecessors, (295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2024-11-13 13:41:40,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:41:40,026 INFO L225 Difference]: With dead ends: 1156 [2024-11-13 13:41:40,026 INFO L226 Difference]: Without dead ends: 1117 [2024-11-13 13:41:40,027 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 139 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9722 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=3656, Invalid=16084, Unknown=0, NotChecked=0, Total=19740 [2024-11-13 13:41:40,028 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 261 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 579 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 261 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 579 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 13:41:40,028 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [261 Valid, 123 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 579 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 13:41:40,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1117 states. [2024-11-13 13:41:40,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1117 to 695. [2024-11-13 13:41:40,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 695 states, 694 states have (on average 1.0446685878962536) internal successors, (725), 694 states have internal predecessors, (725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:41:40,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 695 states and 725 transitions. [2024-11-13 13:41:40,181 INFO L78 Accepts]: Start accepts. Automaton has 695 states and 725 transitions. Word has length 99 [2024-11-13 13:41:40,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:41:40,181 INFO L471 AbstractCegarLoop]: Abstraction has 695 states and 725 transitions. [2024-11-13 13:41:40,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 125 states, 124 states have (on average 2.379032258064516) internal successors, (295), 125 states have internal predecessors, (295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:41:40,181 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 725 transitions. [2024-11-13 13:41:40,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-13 13:41:40,183 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:41:40,183 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 16, 7, 7, 7, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1] [2024-11-13 13:41:40,204 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2024-11-13 13:41:40,383 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2024-11-13 13:41:40,384 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 13:41:40,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:41:40,384 INFO L85 PathProgramCache]: Analyzing trace with hash -2073976606, now seen corresponding path program 4 times [2024-11-13 13:41:40,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:41:40,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830545398] [2024-11-13 13:41:40,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:41:40,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:41:40,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:41:42,146 INFO L134 CoverageAnalysis]: Checked inductivity of 806 backedges. 0 proven. 806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:41:42,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:41:42,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830545398] [2024-11-13 13:41:42,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830545398] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:41:42,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1648150151] [2024-11-13 13:41:42,147 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-13 13:41:42,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:41:42,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:41:42,149 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:41:42,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-13 13:41:42,243 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-13 13:41:42,244 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 13:41:42,246 INFO L255 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 55 conjuncts are in the unsatisfiable core [2024-11-13 13:41:42,248 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:41:44,353 INFO L134 CoverageAnalysis]: Checked inductivity of 806 backedges. 0 proven. 806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:41:44,353 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:41:47,021 INFO L134 CoverageAnalysis]: Checked inductivity of 806 backedges. 0 proven. 806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:41:47,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1648150151] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:41:47,022 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:41:47,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [54, 54, 54] total 160 [2024-11-13 13:41:47,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938684164] [2024-11-13 13:41:47,022 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:41:47,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 161 states [2024-11-13 13:41:47,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:41:47,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 161 interpolants. [2024-11-13 13:41:47,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4822, Invalid=20938, Unknown=0, NotChecked=0, Total=25760 [2024-11-13 13:41:47,026 INFO L87 Difference]: Start difference. First operand 695 states and 725 transitions. Second operand has 161 states, 160 states have (on average 2.2) internal successors, (352), 161 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:41:50,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:41:50,164 INFO L93 Difference]: Finished difference Result 1895 states and 1965 transitions. [2024-11-13 13:41:50,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2024-11-13 13:41:50,165 INFO L78 Accepts]: Start accepts. Automaton has has 161 states, 160 states have (on average 2.2) internal successors, (352), 161 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 118 [2024-11-13 13:41:50,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:41:50,168 INFO L225 Difference]: With dead ends: 1895 [2024-11-13 13:41:50,168 INFO L226 Difference]: Without dead ends: 1850 [2024-11-13 13:41:50,171 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 199 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18612 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=7623, Invalid=32577, Unknown=0, NotChecked=0, Total=40200 [2024-11-13 13:41:50,171 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 615 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 815 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 615 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 819 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 815 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-13 13:41:50,171 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [615 Valid, 185 Invalid, 819 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 815 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-13 13:41:50,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1850 states. [2024-11-13 13:41:50,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1850 to 695. [2024-11-13 13:41:50,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 695 states, 694 states have (on average 1.0446685878962536) internal successors, (725), 694 states have internal predecessors, (725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:41:50,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 695 states and 725 transitions. [2024-11-13 13:41:50,403 INFO L78 Accepts]: Start accepts. Automaton has 695 states and 725 transitions. Word has length 118 [2024-11-13 13:41:50,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:41:50,403 INFO L471 AbstractCegarLoop]: Abstraction has 695 states and 725 transitions. [2024-11-13 13:41:50,404 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 161 states, 160 states have (on average 2.2) internal successors, (352), 161 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:41:50,404 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 725 transitions. [2024-11-13 13:41:50,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-13 13:41:50,406 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:41:50,406 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 13, 13, 13, 8, 8, 8, 7, 7, 6, 1, 1, 1, 1, 1, 1] [2024-11-13 13:41:50,436 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-11-13 13:41:50,635 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2024-11-13 13:41:50,635 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 13:41:50,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:41:50,636 INFO L85 PathProgramCache]: Analyzing trace with hash 1499605264, now seen corresponding path program 5 times [2024-11-13 13:41:50,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:41:50,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019707579] [2024-11-13 13:41:50,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:41:50,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:41:50,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:41:52,868 INFO L134 CoverageAnalysis]: Checked inductivity of 816 backedges. 0 proven. 816 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:41:52,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:41:52,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019707579] [2024-11-13 13:41:52,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019707579] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:41:52,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1475110178] [2024-11-13 13:41:52,869 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-13 13:41:52,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:41:52,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:41:52,872 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:41:52,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-13 13:41:52,971 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) [2024-11-13 13:41:52,971 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 13:41:52,974 INFO L255 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 59 conjuncts are in the unsatisfiable core [2024-11-13 13:41:52,975 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:41:55,248 INFO L134 CoverageAnalysis]: Checked inductivity of 816 backedges. 0 proven. 816 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:41:55,249 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:41:58,529 INFO L134 CoverageAnalysis]: Checked inductivity of 816 backedges. 0 proven. 816 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:41:58,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1475110178] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:41:58,529 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:41:58,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [58, 58, 58] total 172 [2024-11-13 13:41:58,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810120778] [2024-11-13 13:41:58,530 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:41:58,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 173 states [2024-11-13 13:41:58,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:41:58,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 173 interpolants. [2024-11-13 13:41:58,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5226, Invalid=24530, Unknown=0, NotChecked=0, Total=29756 [2024-11-13 13:41:58,535 INFO L87 Difference]: Start difference. First operand 695 states and 725 transitions. Second operand has 173 states, 172 states have (on average 2.3255813953488373) internal successors, (400), 173 states have internal predecessors, (400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:42:01,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:42:01,502 INFO L93 Difference]: Finished difference Result 1633 states and 1698 transitions. [2024-11-13 13:42:01,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2024-11-13 13:42:01,503 INFO L78 Accepts]: Start accepts. Automaton has has 173 states, 172 states have (on average 2.3255813953488373) internal successors, (400), 173 states have internal predecessors, (400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 134 [2024-11-13 13:42:01,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:42:01,507 INFO L225 Difference]: With dead ends: 1633 [2024-11-13 13:42:01,507 INFO L226 Difference]: Without dead ends: 1594 [2024-11-13 13:42:01,510 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 356 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 203 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20406 ImplicationChecksByTransitivity, 7.6s TimeCoverageRelationStatistics Valid=7367, Invalid=34453, Unknown=0, NotChecked=0, Total=41820 [2024-11-13 13:42:01,511 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 425 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 839 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 425 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 847 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 839 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-13 13:42:01,511 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [425 Valid, 182 Invalid, 847 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 839 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-13 13:42:01,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1594 states. [2024-11-13 13:42:01,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1594 to 720. [2024-11-13 13:42:01,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 720 states, 719 states have (on average 1.0486787204450625) internal successors, (754), 719 states have internal predecessors, (754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:42:01,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 720 states and 754 transitions. [2024-11-13 13:42:01,851 INFO L78 Accepts]: Start accepts. Automaton has 720 states and 754 transitions. Word has length 134 [2024-11-13 13:42:01,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:42:01,851 INFO L471 AbstractCegarLoop]: Abstraction has 720 states and 754 transitions. [2024-11-13 13:42:01,851 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 173 states, 172 states have (on average 2.3255813953488373) internal successors, (400), 173 states have internal predecessors, (400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:42:01,851 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 754 transitions. [2024-11-13 13:42:01,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-13 13:42:01,853 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:42:01,853 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 24, 9, 9, 9, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1] [2024-11-13 13:42:01,869 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2024-11-13 13:42:02,054 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-11-13 13:42:02,054 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 13:42:02,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:42:02,055 INFO L85 PathProgramCache]: Analyzing trace with hash 738339337, now seen corresponding path program 6 times [2024-11-13 13:42:02,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:42:02,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33163569] [2024-11-13 13:42:02,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:42:02,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:42:02,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:42:05,333 INFO L134 CoverageAnalysis]: Checked inductivity of 1713 backedges. 0 proven. 1713 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:42:05,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:42:05,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33163569] [2024-11-13 13:42:05,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [33163569] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:42:05,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [307587562] [2024-11-13 13:42:05,333 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-13 13:42:05,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:42:05,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:42:05,335 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:42:05,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-13 13:42:05,468 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 25 check-sat command(s) [2024-11-13 13:42:05,468 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 13:42:05,471 INFO L255 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 77 conjuncts are in the unsatisfiable core [2024-11-13 13:42:05,473 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:42:08,995 INFO L134 CoverageAnalysis]: Checked inductivity of 1713 backedges. 0 proven. 1713 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:42:08,995 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:42:14,736 INFO L134 CoverageAnalysis]: Checked inductivity of 1713 backedges. 0 proven. 1713 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:42:14,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [307587562] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:42:14,737 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:42:14,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [76, 76, 76] total 226 [2024-11-13 13:42:14,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138207636] [2024-11-13 13:42:14,737 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:42:14,738 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 227 states [2024-11-13 13:42:14,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:42:14,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 227 interpolants. [2024-11-13 13:42:14,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9612, Invalid=41690, Unknown=0, NotChecked=0, Total=51302 [2024-11-13 13:42:14,745 INFO L87 Difference]: Start difference. First operand 720 states and 754 transitions. Second operand has 227 states, 226 states have (on average 2.168141592920354) internal successors, (490), 227 states have internal predecessors, (490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:42:21,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:42:21,084 INFO L93 Difference]: Finished difference Result 2514 states and 2606 transitions. [2024-11-13 13:42:21,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 210 states. [2024-11-13 13:42:21,085 INFO L78 Accepts]: Start accepts. Automaton has has 227 states, 226 states have (on average 2.168141592920354) internal successors, (490), 227 states have internal predecessors, (490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 164 [2024-11-13 13:42:21,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:42:21,089 INFO L225 Difference]: With dead ends: 2514 [2024-11-13 13:42:21,089 INFO L226 Difference]: Without dead ends: 2451 [2024-11-13 13:42:21,092 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 461 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 284 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38103 ImplicationChecksByTransitivity, 13.2s TimeCoverageRelationStatistics Valid=15491, Invalid=66019, Unknown=0, NotChecked=0, Total=81510 [2024-11-13 13:42:21,093 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 975 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 1099 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 975 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 1104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1099 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:42:21,093 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [975 Valid, 249 Invalid, 1104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1099 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-13 13:42:21,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2451 states. [2024-11-13 13:42:21,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2451 to 878. [2024-11-13 13:42:21,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 878 states, 877 states have (on average 1.039908779931585) internal successors, (912), 877 states have internal predecessors, (912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:42:21,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 878 states to 878 states and 912 transitions. [2024-11-13 13:42:21,510 INFO L78 Accepts]: Start accepts. Automaton has 878 states and 912 transitions. Word has length 164 [2024-11-13 13:42:21,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:42:21,510 INFO L471 AbstractCegarLoop]: Abstraction has 878 states and 912 transitions. [2024-11-13 13:42:21,510 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 227 states, 226 states have (on average 2.168141592920354) internal successors, (490), 227 states have internal predecessors, (490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:42:21,510 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 912 transitions. [2024-11-13 13:42:21,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-11-13 13:42:21,513 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:42:21,513 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 19, 19, 19, 12, 10, 10, 10, 9, 9, 1, 1, 1, 1, 1, 1] [2024-11-13 13:42:21,536 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2024-11-13 13:42:21,713 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-11-13 13:42:21,714 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 13:42:21,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:42:21,714 INFO L85 PathProgramCache]: Analyzing trace with hash 1317655952, now seen corresponding path program 7 times [2024-11-13 13:42:21,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:42:21,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131304092] [2024-11-13 13:42:21,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:42:21,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:42:21,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:42:25,102 INFO L134 CoverageAnalysis]: Checked inductivity of 1654 backedges. 0 proven. 1654 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:42:25,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:42:25,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131304092] [2024-11-13 13:42:25,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [131304092] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:42:25,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1846597910] [2024-11-13 13:42:25,103 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-13 13:42:25,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:42:25,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:42:25,104 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:42:25,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-13 13:42:25,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:42:25,216 INFO L255 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 83 conjuncts are in the unsatisfiable core [2024-11-13 13:42:25,221 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:42:29,076 INFO L134 CoverageAnalysis]: Checked inductivity of 1654 backedges. 0 proven. 1654 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:42:29,077 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:42:34,840 INFO L134 CoverageAnalysis]: Checked inductivity of 1654 backedges. 0 proven. 1654 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:42:34,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1846597910] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:42:34,840 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:42:34,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [82, 82, 82] total 244 [2024-11-13 13:42:34,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951803992] [2024-11-13 13:42:34,841 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:42:34,841 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 245 states [2024-11-13 13:42:34,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:42:34,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 245 interpolants. [2024-11-13 13:42:34,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10338, Invalid=49442, Unknown=0, NotChecked=0, Total=59780 [2024-11-13 13:42:34,848 INFO L87 Difference]: Start difference. First operand 878 states and 912 transitions. Second operand has 245 states, 244 states have (on average 2.278688524590164) internal successors, (556), 245 states have internal predecessors, (556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:42:40,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:42:40,395 INFO L93 Difference]: Finished difference Result 1984 states and 2078 transitions. [2024-11-13 13:42:40,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 213 states. [2024-11-13 13:42:40,396 INFO L78 Accepts]: Start accepts. Automaton has has 245 states, 244 states have (on average 2.278688524590164) internal successors, (556), 245 states have internal predecessors, (556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 186 [2024-11-13 13:42:40,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:42:40,398 INFO L225 Difference]: With dead ends: 1984 [2024-11-13 13:42:40,398 INFO L226 Difference]: Without dead ends: 1919 [2024-11-13 13:42:40,401 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 502 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 293 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42569 ImplicationChecksByTransitivity, 13.3s TimeCoverageRelationStatistics Valid=15143, Invalid=71587, Unknown=0, NotChecked=0, Total=86730 [2024-11-13 13:42:40,402 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 610 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 1183 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 610 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 1193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-13 13:42:40,402 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [610 Valid, 264 Invalid, 1193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1183 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-13 13:42:40,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1919 states. [2024-11-13 13:42:40,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1919 to 938. [2024-11-13 13:42:40,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 938 states, 937 states have (on average 1.0458911419423693) internal successors, (980), 937 states have internal predecessors, (980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:42:40,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 938 states and 980 transitions. [2024-11-13 13:42:40,884 INFO L78 Accepts]: Start accepts. Automaton has 938 states and 980 transitions. Word has length 186 [2024-11-13 13:42:40,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:42:40,884 INFO L471 AbstractCegarLoop]: Abstraction has 938 states and 980 transitions. [2024-11-13 13:42:40,884 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 245 states, 244 states have (on average 2.278688524590164) internal successors, (556), 245 states have internal predecessors, (556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:42:40,884 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 980 transitions. [2024-11-13 13:42:40,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2024-11-13 13:42:40,887 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:42:40,887 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 21, 21, 21, 21, 11, 11, 11, 10, 10, 1, 1, 1, 1, 1, 1] [2024-11-13 13:42:40,903 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2024-11-13 13:42:41,087 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-11-13 13:42:41,088 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 13:42:41,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:42:41,088 INFO L85 PathProgramCache]: Analyzing trace with hash 1673986258, now seen corresponding path program 8 times [2024-11-13 13:42:41,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:42:41,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467973791] [2024-11-13 13:42:41,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:42:41,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:42:41,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:42:46,963 INFO L134 CoverageAnalysis]: Checked inductivity of 2862 backedges. 0 proven. 2862 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:42:46,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:42:46,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467973791] [2024-11-13 13:42:46,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467973791] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:42:46,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1146962748] [2024-11-13 13:42:46,964 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 13:42:46,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:42:46,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:42:46,966 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:42:46,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-13 13:42:47,094 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 13:42:47,094 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 13:42:47,097 INFO L255 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 107 conjuncts are in the unsatisfiable core [2024-11-13 13:42:47,100 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:42:53,946 INFO L134 CoverageAnalysis]: Checked inductivity of 2862 backedges. 0 proven. 2862 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:42:53,946 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:43:04,123 INFO L134 CoverageAnalysis]: Checked inductivity of 2862 backedges. 0 proven. 2862 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:43:04,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1146962748] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:43:04,123 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:43:04,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [106, 106, 106] total 316 [2024-11-13 13:43:04,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986493593] [2024-11-13 13:43:04,124 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:43:04,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 317 states [2024-11-13 13:43:04,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:43:04,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 317 interpolants. [2024-11-13 13:43:04,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17370, Invalid=82802, Unknown=0, NotChecked=0, Total=100172 [2024-11-13 13:43:04,136 INFO L87 Difference]: Start difference. First operand 938 states and 980 transitions. Second operand has 317 states, 316 states have (on average 2.2341772151898733) internal successors, (706), 317 states have internal predecessors, (706), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:43:13,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:43:13,995 INFO L93 Difference]: Finished difference Result 2641 states and 2755 transitions. [2024-11-13 13:43:13,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 282 states. [2024-11-13 13:43:13,996 INFO L78 Accepts]: Start accepts. Automaton has has 317 states, 316 states have (on average 2.2341772151898733) internal successors, (706), 317 states have internal predecessors, (706), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 236 [2024-11-13 13:43:13,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:43:14,002 INFO L225 Difference]: With dead ends: 2641 [2024-11-13 13:43:14,003 INFO L226 Difference]: Without dead ends: 2564 [2024-11-13 13:43:14,009 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 647 GetRequests, 261 SyntacticMatches, 0 SemanticMatches, 386 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73389 ImplicationChecksByTransitivity, 23.8s TimeCoverageRelationStatistics Valid=26441, Invalid=123715, Unknown=0, NotChecked=0, Total=150156 [2024-11-13 13:43:14,010 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 959 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 1518 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 959 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 1529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1518 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-13 13:43:14,010 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [959 Valid, 338 Invalid, 1529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1518 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-13 13:43:14,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2564 states. [2024-11-13 13:43:14,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2564 to 1034. [2024-11-13 13:43:14,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1034 states, 1033 states have (on average 1.0454985479186834) internal successors, (1080), 1033 states have internal predecessors, (1080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:43:14,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 1034 states and 1080 transitions. [2024-11-13 13:43:14,460 INFO L78 Accepts]: Start accepts. Automaton has 1034 states and 1080 transitions. Word has length 236 [2024-11-13 13:43:14,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:43:14,460 INFO L471 AbstractCegarLoop]: Abstraction has 1034 states and 1080 transitions. [2024-11-13 13:43:14,460 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 317 states, 316 states have (on average 2.2341772151898733) internal successors, (706), 317 states have internal predecessors, (706), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:43:14,460 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 1080 transitions. [2024-11-13 13:43:14,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2024-11-13 13:43:14,464 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:43:14,464 INFO L215 NwaCegarLoop]: trace histogram [64, 64, 64, 64, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:43:14,486 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2024-11-13 13:43:14,664 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-11-13 13:43:14,664 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 13:43:14,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:43:14,665 INFO L85 PathProgramCache]: Analyzing trace with hash -433569403, now seen corresponding path program 4 times [2024-11-13 13:43:14,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:43:14,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651006709] [2024-11-13 13:43:14,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:43:14,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:43:14,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:43:23,303 INFO L134 CoverageAnalysis]: Checked inductivity of 8129 backedges. 0 proven. 8129 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:43:23,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:43:23,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651006709] [2024-11-13 13:43:23,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651006709] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:43:23,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1682661621] [2024-11-13 13:43:23,303 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-13 13:43:23,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:43:23,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:43:23,305 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:43:23,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-13 13:43:23,433 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-13 13:43:23,433 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 13:43:23,437 INFO L255 TraceCheckSpWp]: Trace formula consists of 545 conjuncts, 133 conjuncts are in the unsatisfiable core [2024-11-13 13:43:23,441 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:43:32,834 INFO L134 CoverageAnalysis]: Checked inductivity of 8129 backedges. 0 proven. 8129 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:43:32,834 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:43:48,754 INFO L134 CoverageAnalysis]: Checked inductivity of 8129 backedges. 0 proven. 8129 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:43:48,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1682661621] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:43:48,755 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:43:48,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [132, 132, 132] total 394 [2024-11-13 13:43:48,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731059344] [2024-11-13 13:43:48,755 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:43:48,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 395 states [2024-11-13 13:43:48,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:43:48,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 395 interpolants. [2024-11-13 13:43:48,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34468, Invalid=121162, Unknown=0, NotChecked=0, Total=155630 [2024-11-13 13:43:48,771 INFO L87 Difference]: Start difference. First operand 1034 states and 1080 transitions. Second operand has 395 states, 394 states have (on average 2.035532994923858) internal successors, (802), 395 states have internal predecessors, (802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:44:12,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:44:12,480 INFO L93 Difference]: Finished difference Result 3005 states and 3181 transitions. [2024-11-13 13:44:12,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 392 states. [2024-11-13 13:44:12,480 INFO L78 Accepts]: Start accepts. Automaton has has 395 states, 394 states have (on average 2.035532994923858) internal successors, (802), 395 states have internal predecessors, (802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 268 [2024-11-13 13:44:12,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:44:12,488 INFO L225 Difference]: With dead ends: 3005 [2024-11-13 13:44:12,488 INFO L226 Difference]: Without dead ends: 2870 [2024-11-13 13:44:12,498 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 793 GetRequests, 273 SyntacticMatches, 0 SemanticMatches, 520 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121229 ImplicationChecksByTransitivity, 38.7s TimeCoverageRelationStatistics Valid=59426, Invalid=212536, Unknown=0, NotChecked=0, Total=271962 [2024-11-13 13:44:12,499 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 3510 mSDsluCounter, 431 mSDsCounter, 0 mSdLazyCounter, 1604 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3510 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 1605 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1604 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-13 13:44:12,499 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3510 Valid, 436 Invalid, 1605 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1604 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-13 13:44:12,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2870 states. [2024-11-13 13:44:13,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2870 to 1756. [2024-11-13 13:44:13,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1756 states, 1755 states have (on average 1.0267806267806268) internal successors, (1802), 1755 states have internal predecessors, (1802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:44:13,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1756 states to 1756 states and 1802 transitions. [2024-11-13 13:44:13,455 INFO L78 Accepts]: Start accepts. Automaton has 1756 states and 1802 transitions. Word has length 268 [2024-11-13 13:44:13,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:44:13,455 INFO L471 AbstractCegarLoop]: Abstraction has 1756 states and 1802 transitions. [2024-11-13 13:44:13,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 395 states, 394 states have (on average 2.035532994923858) internal successors, (802), 395 states have internal predecessors, (802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:44:13,456 INFO L276 IsEmpty]: Start isEmpty. Operand 1756 states and 1802 transitions. [2024-11-13 13:44:13,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2024-11-13 13:44:13,461 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:44:13,461 INFO L215 NwaCegarLoop]: trace histogram [64, 64, 64, 63, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:44:13,481 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2024-11-13 13:44:13,661 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:44:13,662 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 13:44:13,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:44:13,662 INFO L85 PathProgramCache]: Analyzing trace with hash 230865401, now seen corresponding path program 9 times [2024-11-13 13:44:13,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:44:13,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041926264] [2024-11-13 13:44:13,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:44:13,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:44:13,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:22,480 INFO L134 CoverageAnalysis]: Checked inductivity of 8145 backedges. 0 proven. 8145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:44:22,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:44:22,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041926264] [2024-11-13 13:44:22,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2041926264] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:44:22,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2100243401] [2024-11-13 13:44:22,481 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-13 13:44:22,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:44:22,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:44:22,484 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:44:22,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-11-13 13:44:22,721 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 64 check-sat command(s) [2024-11-13 13:44:22,721 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 13:44:22,726 INFO L255 TraceCheckSpWp]: Trace formula consists of 565 conjuncts, 137 conjuncts are in the unsatisfiable core [2024-11-13 13:44:22,730 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:44:32,206 INFO L134 CoverageAnalysis]: Checked inductivity of 8145 backedges. 0 proven. 8145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:44:32,206 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:44:48,851 INFO L134 CoverageAnalysis]: Checked inductivity of 8145 backedges. 0 proven. 8145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:44:48,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2100243401] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:44:48,851 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:44:48,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [136, 136, 136] total 406 [2024-11-13 13:44:48,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227733451] [2024-11-13 13:44:48,852 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:44:48,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 407 states [2024-11-13 13:44:48,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:44:48,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 407 interpolants. [2024-11-13 13:44:48,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35592, Invalid=129650, Unknown=0, NotChecked=0, Total=165242 [2024-11-13 13:44:48,877 INFO L87 Difference]: Start difference. First operand 1756 states and 1802 transitions. Second operand has 407 states, 406 states have (on average 2.0492610837438425) internal successors, (832), 407 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:45:15,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:45:15,396 INFO L93 Difference]: Finished difference Result 4633 states and 4808 transitions. [2024-11-13 13:45:15,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 399 states. [2024-11-13 13:45:15,397 INFO L78 Accepts]: Start accepts. Automaton has has 407 states, 406 states have (on average 2.0492610837438425) internal successors, (832), 407 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 278 [2024-11-13 13:45:15,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:45:15,410 INFO L225 Difference]: With dead ends: 4633 [2024-11-13 13:45:15,411 INFO L226 Difference]: Without dead ends: 4500 [2024-11-13 13:45:15,425 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 818 GetRequests, 285 SyntacticMatches, 0 SemanticMatches, 533 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128612 ImplicationChecksByTransitivity, 40.1s TimeCoverageRelationStatistics Valid=61073, Invalid=224617, Unknown=0, NotChecked=0, Total=285690 [2024-11-13 13:45:15,425 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 2900 mSDsluCounter, 443 mSDsCounter, 0 mSdLazyCounter, 1846 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2900 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 1848 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1846 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-13 13:45:15,426 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2900 Valid, 448 Invalid, 1848 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1846 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-13 13:45:15,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4500 states. [2024-11-13 13:45:16,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4500 to 1760. [2024-11-13 13:45:16,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1760 states, 1759 states have (on average 1.0267197271176804) internal successors, (1806), 1759 states have internal predecessors, (1806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:45:16,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1760 states to 1760 states and 1806 transitions. [2024-11-13 13:45:16,650 INFO L78 Accepts]: Start accepts. Automaton has 1760 states and 1806 transitions. Word has length 278 [2024-11-13 13:45:16,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:45:16,651 INFO L471 AbstractCegarLoop]: Abstraction has 1760 states and 1806 transitions. [2024-11-13 13:45:16,651 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 407 states, 406 states have (on average 2.0492610837438425) internal successors, (832), 407 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:45:16,651 INFO L276 IsEmpty]: Start isEmpty. Operand 1760 states and 1806 transitions. [2024-11-13 13:45:16,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2024-11-13 13:45:16,654 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:45:16,654 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 31, 23, 23, 23, 12, 12, 12, 11, 11, 1, 1, 1, 1, 1, 1] [2024-11-13 13:45:16,668 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Ended with exit code 0 [2024-11-13 13:45:16,854 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:45:16,855 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 13:45:16,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:45:16,855 INFO L85 PathProgramCache]: Analyzing trace with hash -2132485009, now seen corresponding path program 10 times [2024-11-13 13:45:16,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:45:16,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106824366] [2024-11-13 13:45:16,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:45:16,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:45:16,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:25,002 INFO L134 CoverageAnalysis]: Checked inductivity of 4653 backedges. 0 proven. 4653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:45:25,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:45:25,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106824366] [2024-11-13 13:45:25,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106824366] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:45:25,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [944820057] [2024-11-13 13:45:25,002 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-13 13:45:25,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:45:25,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:45:25,004 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:45:25,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-11-13 13:45:25,154 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-13 13:45:25,154 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 13:45:25,158 INFO L255 TraceCheckSpWp]: Trace formula consists of 589 conjuncts, 133 conjuncts are in the unsatisfiable core [2024-11-13 13:45:25,161 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:45:34,388 INFO L134 CoverageAnalysis]: Checked inductivity of 4653 backedges. 0 proven. 4653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:45:34,388 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:45:49,310 INFO L134 CoverageAnalysis]: Checked inductivity of 4653 backedges. 0 proven. 4653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:45:49,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [944820057] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:45:49,310 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:45:49,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [132, 132, 132] total 394 [2024-11-13 13:45:49,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387959066] [2024-11-13 13:45:49,311 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:45:49,312 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 395 states [2024-11-13 13:45:49,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:45:49,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 395 interpolants. [2024-11-13 13:45:49,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27252, Invalid=128378, Unknown=0, NotChecked=0, Total=155630 [2024-11-13 13:45:49,335 INFO L87 Difference]: Start difference. First operand 1760 states and 1806 transitions. Second operand has 395 states, 394 states have (on average 2.203045685279188) internal successors, (868), 395 states have internal predecessors, (868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:46:07,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:46:07,234 INFO L93 Difference]: Finished difference Result 4969 states and 5109 transitions. [2024-11-13 13:46:07,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 357 states. [2024-11-13 13:46:07,235 INFO L78 Accepts]: Start accepts. Automaton has has 395 states, 394 states have (on average 2.203045685279188) internal successors, (868), 395 states have internal predecessors, (868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 290 [2024-11-13 13:46:07,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:46:07,241 INFO L225 Difference]: With dead ends: 4969 [2024-11-13 13:46:07,241 INFO L226 Difference]: Without dead ends: 4870 [2024-11-13 13:46:07,249 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 804 GetRequests, 317 SyntacticMatches, 0 SemanticMatches, 487 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116154 ImplicationChecksByTransitivity, 35.1s TimeCoverageRelationStatistics Valid=42553, Invalid=196079, Unknown=0, NotChecked=0, Total=238632 [2024-11-13 13:46:07,249 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 1507 mSDsluCounter, 404 mSDsCounter, 0 mSdLazyCounter, 1749 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1507 SdHoareTripleChecker+Valid, 409 SdHoareTripleChecker+Invalid, 1761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1749 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-13 13:46:07,249 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1507 Valid, 409 Invalid, 1761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1749 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-13 13:46:07,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4870 states. [2024-11-13 13:46:08,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4870 to 1790. [2024-11-13 13:46:08,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1790 states, 1789 states have (on average 1.028507546115148) internal successors, (1840), 1789 states have internal predecessors, (1840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:46:08,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1790 states to 1790 states and 1840 transitions. [2024-11-13 13:46:08,573 INFO L78 Accepts]: Start accepts. Automaton has 1790 states and 1840 transitions. Word has length 290 [2024-11-13 13:46:08,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:46:08,574 INFO L471 AbstractCegarLoop]: Abstraction has 1790 states and 1840 transitions. [2024-11-13 13:46:08,574 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 395 states, 394 states have (on average 2.203045685279188) internal successors, (868), 395 states have internal predecessors, (868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:46:08,574 INFO L276 IsEmpty]: Start isEmpty. Operand 1790 states and 1840 transitions. [2024-11-13 13:46:08,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2024-11-13 13:46:08,577 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:46:08,577 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 23, 23, 23, 23, 22, 22, 22, 22, 1, 1, 1, 1, 1] [2024-11-13 13:46:08,590 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2024-11-13 13:46:08,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:46:08,777 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 13:46:08,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:46:08,778 INFO L85 PathProgramCache]: Analyzing trace with hash 1209813385, now seen corresponding path program 3 times [2024-11-13 13:46:08,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:46:08,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424848551] [2024-11-13 13:46:08,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:46:08,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:46:08,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:17,730 INFO L134 CoverageAnalysis]: Checked inductivity of 5592 backedges. 0 proven. 5592 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:46:17,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:46:17,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424848551] [2024-11-13 13:46:17,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424848551] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:46:17,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1406176869] [2024-11-13 13:46:17,731 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-13 13:46:17,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:46:17,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:46:17,733 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:46:17,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-11-13 13:46:17,971 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 33 check-sat command(s) [2024-11-13 13:46:17,972 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 13:46:17,977 INFO L255 TraceCheckSpWp]: Trace formula consists of 657 conjuncts, 139 conjuncts are in the unsatisfiable core [2024-11-13 13:46:17,981 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:46:27,946 INFO L134 CoverageAnalysis]: Checked inductivity of 5592 backedges. 0 proven. 5592 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:46:27,946 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:46:43,999 INFO L134 CoverageAnalysis]: Checked inductivity of 5592 backedges. 0 proven. 5592 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:46:44,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1406176869] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:46:44,000 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:46:44,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [138, 138, 138] total 412 [2024-11-13 13:46:44,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279537462] [2024-11-13 13:46:44,000 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:46:44,001 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 413 states [2024-11-13 13:46:44,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:46:44,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 413 interpolants. [2024-11-13 13:46:44,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30130, Invalid=140026, Unknown=0, NotChecked=0, Total=170156 [2024-11-13 13:46:44,013 INFO L87 Difference]: Start difference. First operand 1790 states and 1840 transitions. Second operand has 413 states, 412 states have (on average 2.3470873786407767) internal successors, (967), 413 states have internal predecessors, (967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:46:58,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:46:58,591 INFO L93 Difference]: Finished difference Result 3831 states and 4012 transitions. [2024-11-13 13:46:58,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 337 states. [2024-11-13 13:46:58,591 INFO L78 Accepts]: Start accepts. Automaton has has 413 states, 412 states have (on average 2.3470873786407767) internal successors, (967), 413 states have internal predecessors, (967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 323 [2024-11-13 13:46:58,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:46:58,598 INFO L225 Difference]: With dead ends: 3831 [2024-11-13 13:46:58,598 INFO L226 Difference]: Without dead ends: 3696 [2024-11-13 13:46:58,610 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 846 GetRequests, 371 SyntacticMatches, 0 SemanticMatches, 475 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116682 ImplicationChecksByTransitivity, 35.2s TimeCoverageRelationStatistics Valid=39976, Invalid=187076, Unknown=0, NotChecked=0, Total=227052 [2024-11-13 13:46:58,610 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 1187 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 1706 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1187 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 1728 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 1706 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:46:58,611 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1187 Valid, 360 Invalid, 1728 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 1706 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-13 13:46:58,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3696 states. [2024-11-13 13:47:00,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3696 to 2125. [2024-11-13 13:47:00,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2125 states, 2124 states have (on average 1.0447269303201507) internal successors, (2219), 2124 states have internal predecessors, (2219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:47:00,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2125 states to 2125 states and 2219 transitions. [2024-11-13 13:47:00,057 INFO L78 Accepts]: Start accepts. Automaton has 2125 states and 2219 transitions. Word has length 323 [2024-11-13 13:47:00,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:47:00,057 INFO L471 AbstractCegarLoop]: Abstraction has 2125 states and 2219 transitions. [2024-11-13 13:47:00,058 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 413 states, 412 states have (on average 2.3470873786407767) internal successors, (967), 413 states have internal predecessors, (967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:47:00,058 INFO L276 IsEmpty]: Start isEmpty. Operand 2125 states and 2219 transitions. [2024-11-13 13:47:00,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2024-11-13 13:47:00,059 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:47:00,060 INFO L215 NwaCegarLoop]: trace histogram [54, 54, 54, 42, 25, 25, 25, 13, 13, 13, 12, 12, 1, 1, 1, 1, 1, 1] [2024-11-13 13:47:00,073 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2024-11-13 13:47:00,260 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:47:00,260 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 13:47:00,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:47:00,261 INFO L85 PathProgramCache]: Analyzing trace with hash 1918948583, now seen corresponding path program 11 times [2024-11-13 13:47:00,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:47:00,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576102393] [2024-11-13 13:47:00,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:47:00,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:47:00,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:12,016 INFO L134 CoverageAnalysis]: Checked inductivity of 7159 backedges. 0 proven. 7159 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:47:12,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:47:12,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576102393] [2024-11-13 13:47:12,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [576102393] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:47:12,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2121216840] [2024-11-13 13:47:12,017 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-13 13:47:12,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:47:12,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:47:12,018 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:47:12,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-11-13 13:47:12,292 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 43 check-sat command(s) [2024-11-13 13:47:12,292 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 13:47:12,299 INFO L255 TraceCheckSpWp]: Trace formula consists of 705 conjuncts, 161 conjuncts are in the unsatisfiable core [2024-11-13 13:47:12,305 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:47:25,148 INFO L134 CoverageAnalysis]: Checked inductivity of 7159 backedges. 0 proven. 7159 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:47:25,148 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:47:46,588 INFO L134 CoverageAnalysis]: Checked inductivity of 7159 backedges. 0 proven. 7159 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:47:46,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2121216840] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:47:46,589 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:47:46,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [160, 160, 160] total 478 [2024-11-13 13:47:46,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941344112] [2024-11-13 13:47:46,589 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:47:46,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 479 states [2024-11-13 13:47:46,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:47:46,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 479 interpolants. [2024-11-13 13:47:46,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40560, Invalid=188402, Unknown=0, NotChecked=0, Total=228962 [2024-11-13 13:47:46,609 INFO L87 Difference]: Start difference. First operand 2125 states and 2219 transitions. Second operand has 479 states, 478 states have (on average 2.1799163179916317) internal successors, (1042), 479 states have internal predecessors, (1042), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:48:15,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:48:15,475 INFO L93 Difference]: Finished difference Result 5675 states and 5879 transitions. [2024-11-13 13:48:15,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 438 states. [2024-11-13 13:48:15,476 INFO L78 Accepts]: Start accepts. Automaton has has 479 states, 478 states have (on average 2.1799163179916317) internal successors, (1042), 479 states have internal predecessors, (1042), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 348 [2024-11-13 13:48:15,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:48:15,485 INFO L225 Difference]: With dead ends: 5675 [2024-11-13 13:48:15,486 INFO L226 Difference]: Without dead ends: 5560 [2024-11-13 13:48:15,503 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 973 GetRequests, 377 SyntacticMatches, 0 SemanticMatches, 596 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173095 ImplicationChecksByTransitivity, 50.9s TimeCoverageRelationStatistics Valid=64475, Invalid=292531, Unknown=0, NotChecked=0, Total=357006 [2024-11-13 13:48:15,503 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 2270 mSDsluCounter, 506 mSDsCounter, 0 mSdLazyCounter, 2169 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2270 SdHoareTripleChecker+Valid, 511 SdHoareTripleChecker+Invalid, 2182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 2169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-13 13:48:15,504 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2270 Valid, 511 Invalid, 2182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 2169 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-13 13:48:15,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5560 states. [2024-11-13 13:48:17,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5560 to 2125. [2024-11-13 13:48:17,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2125 states, 2124 states have (on average 1.0447269303201507) internal successors, (2219), 2124 states have internal predecessors, (2219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:48:17,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2125 states to 2125 states and 2219 transitions. [2024-11-13 13:48:17,138 INFO L78 Accepts]: Start accepts. Automaton has 2125 states and 2219 transitions. Word has length 348 [2024-11-13 13:48:17,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:48:17,139 INFO L471 AbstractCegarLoop]: Abstraction has 2125 states and 2219 transitions. [2024-11-13 13:48:17,139 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 479 states, 478 states have (on average 2.1799163179916317) internal successors, (1042), 479 states have internal predecessors, (1042), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:48:17,139 INFO L276 IsEmpty]: Start isEmpty. Operand 2125 states and 2219 transitions. [2024-11-13 13:48:17,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2024-11-13 13:48:17,141 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:48:17,141 INFO L215 NwaCegarLoop]: trace histogram [67, 67, 67, 54, 27, 27, 27, 14, 14, 14, 13, 13, 1, 1, 1, 1, 1, 1] [2024-11-13 13:48:17,154 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2024-11-13 13:48:17,341 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2024-11-13 13:48:17,342 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 13:48:17,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:48:17,342 INFO L85 PathProgramCache]: Analyzing trace with hash -1377663430, now seen corresponding path program 12 times [2024-11-13 13:48:17,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:48:17,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672183673] [2024-11-13 13:48:17,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:17,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:48:17,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:34,856 INFO L134 CoverageAnalysis]: Checked inductivity of 10524 backedges. 0 proven. 10524 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:48:34,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:48:34,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672183673] [2024-11-13 13:48:34,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672183673] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:48:34,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1349059690] [2024-11-13 13:48:34,857 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-13 13:48:34,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:48:34,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:48:34,858 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:48:34,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-11-13 13:48:35,195 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 55 check-sat command(s) [2024-11-13 13:48:35,195 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 13:48:35,201 INFO L255 TraceCheckSpWp]: Trace formula consists of 829 conjuncts, 191 conjuncts are in the unsatisfiable core [2024-11-13 13:48:35,206 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:48:52,937 INFO L134 CoverageAnalysis]: Checked inductivity of 10524 backedges. 0 proven. 10524 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:48:52,937 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:49:22,620 INFO L134 CoverageAnalysis]: Checked inductivity of 10524 backedges. 0 proven. 10524 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:49:22,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1349059690] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:49:22,620 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:49:22,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [190, 190, 190] total 568 [2024-11-13 13:49:22,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490858180] [2024-11-13 13:49:22,621 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:49:22,621 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 569 states [2024-11-13 13:49:22,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:49:22,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 569 interpolants. [2024-11-13 13:49:22,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57918, Invalid=265274, Unknown=0, NotChecked=0, Total=323192 [2024-11-13 13:49:22,639 INFO L87 Difference]: Start difference. First operand 2125 states and 2219 transitions. Second operand has 569 states, 568 states have (on average 2.1619718309859155) internal successors, (1228), 569 states have internal predecessors, (1228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:50:09,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:50:09,497 INFO L93 Difference]: Finished difference Result 6714 states and 6944 transitions. [2024-11-13 13:50:09,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 525 states. [2024-11-13 13:50:09,498 INFO L78 Accepts]: Start accepts. Automaton has has 569 states, 568 states have (on average 2.1619718309859155) internal successors, (1228), 569 states have internal predecessors, (1228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 410 [2024-11-13 13:50:09,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:50:09,507 INFO L225 Difference]: With dead ends: 6714 [2024-11-13 13:50:09,507 INFO L226 Difference]: Without dead ends: 6573 [2024-11-13 13:50:09,532 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1154 GetRequests, 441 SyntacticMatches, 0 SemanticMatches, 713 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 246641 ImplicationChecksByTransitivity, 71.5s TimeCoverageRelationStatistics Valid=93287, Invalid=417223, Unknown=0, NotChecked=0, Total=510510 [2024-11-13 13:50:09,533 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 3147 mSDsluCounter, 575 mSDsCounter, 0 mSdLazyCounter, 2515 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3147 SdHoareTripleChecker+Valid, 580 SdHoareTripleChecker+Invalid, 2529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 2515 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:50:09,533 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3147 Valid, 580 Invalid, 2529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 2515 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-13 13:50:09,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6573 states. [2024-11-13 13:50:11,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6573 to 2191. [2024-11-13 13:50:11,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2191 states, 2190 states have (on average 1.04337899543379) internal successors, (2285), 2190 states have internal predecessors, (2285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:50:11,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2191 states to 2191 states and 2285 transitions. [2024-11-13 13:50:11,692 INFO L78 Accepts]: Start accepts. Automaton has 2191 states and 2285 transitions. Word has length 410 [2024-11-13 13:50:11,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:50:11,692 INFO L471 AbstractCegarLoop]: Abstraction has 2191 states and 2285 transitions. [2024-11-13 13:50:11,692 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 569 states, 568 states have (on average 2.1619718309859155) internal successors, (1228), 569 states have internal predecessors, (1228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:50:11,693 INFO L276 IsEmpty]: Start isEmpty. Operand 2191 states and 2285 transitions. [2024-11-13 13:50:11,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 463 [2024-11-13 13:50:11,695 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:50:11,695 INFO L215 NwaCegarLoop]: trace histogram [55, 55, 55, 45, 45, 45, 28, 28, 28, 27, 27, 18, 1, 1, 1, 1, 1, 1] [2024-11-13 13:50:11,708 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Ended with exit code 0 [2024-11-13 13:50:11,895 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45,37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:50:11,895 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 13:50:11,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:50:11,896 INFO L85 PathProgramCache]: Analyzing trace with hash -1623222784, now seen corresponding path program 13 times [2024-11-13 13:50:11,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:50:11,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260468517] [2024-11-13 13:50:11,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:50:11,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:50:11,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:50:31,608 INFO L134 CoverageAnalysis]: Checked inductivity of 10756 backedges. 0 proven. 10756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:50:31,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:50:31,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260468517] [2024-11-13 13:50:31,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260468517] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:50:31,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [768953476] [2024-11-13 13:50:31,608 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-13 13:50:31,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:50:31,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:50:31,611 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:50:31,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-11-13 13:50:31,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:50:31,804 INFO L255 TraceCheckSpWp]: Trace formula consists of 933 conjuncts, 203 conjuncts are in the unsatisfiable core [2024-11-13 13:50:31,811 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:50:52,259 INFO L134 CoverageAnalysis]: Checked inductivity of 10756 backedges. 0 proven. 10756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:50:52,260 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:51:25,086 INFO L134 CoverageAnalysis]: Checked inductivity of 10756 backedges. 0 proven. 10756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:51:25,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [768953476] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:51:25,086 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:51:25,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [202, 202, 202] total 604 [2024-11-13 13:51:25,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081595077] [2024-11-13 13:51:25,086 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:51:25,088 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 605 states [2024-11-13 13:51:25,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:51:25,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 605 interpolants. [2024-11-13 13:51:25,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62010, Invalid=303410, Unknown=0, NotChecked=0, Total=365420 [2024-11-13 13:51:25,119 INFO L87 Difference]: Start difference. First operand 2191 states and 2285 transitions. Second operand has 605 states, 604 states have (on average 2.2913907284768213) internal successors, (1384), 605 states have internal predecessors, (1384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:52:11,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:52:11,800 INFO L93 Difference]: Finished difference Result 4541 states and 4766 transitions. [2024-11-13 13:52:11,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 519 states. [2024-11-13 13:52:11,800 INFO L78 Accepts]: Start accepts. Automaton has has 605 states, 604 states have (on average 2.2913907284768213) internal successors, (1384), 605 states have internal predecessors, (1384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 462 [2024-11-13 13:52:11,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:52:11,806 INFO L225 Difference]: With dead ends: 4541 [2024-11-13 13:52:11,806 INFO L226 Difference]: Without dead ends: 4406 [2024-11-13 13:52:11,830 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1240 GetRequests, 521 SyntacticMatches, 0 SemanticMatches, 719 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263442 ImplicationChecksByTransitivity, 76.2s TimeCoverageRelationStatistics Valid=88631, Invalid=430489, Unknown=0, NotChecked=0, Total=519120 [2024-11-13 13:52:11,831 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 1737 mSDsluCounter, 540 mSDsCounter, 0 mSdLazyCounter, 2439 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1737 SdHoareTripleChecker+Valid, 545 SdHoareTripleChecker+Invalid, 2467 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 2439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-13 13:52:11,831 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1737 Valid, 545 Invalid, 2467 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 2439 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-13 13:52:11,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4406 states. [2024-11-13 13:52:13,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4406 to 2336. [2024-11-13 13:52:13,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2336 states, 2335 states have (on average 1.0492505353319057) internal successors, (2450), 2335 states have internal predecessors, (2450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:52:13,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2336 states to 2336 states and 2450 transitions. [2024-11-13 13:52:13,850 INFO L78 Accepts]: Start accepts. Automaton has 2336 states and 2450 transitions. Word has length 462 [2024-11-13 13:52:13,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:52:13,851 INFO L471 AbstractCegarLoop]: Abstraction has 2336 states and 2450 transitions. [2024-11-13 13:52:13,851 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 605 states, 604 states have (on average 2.2913907284768213) internal successors, (1384), 605 states have internal predecessors, (1384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:52:13,851 INFO L276 IsEmpty]: Start isEmpty. Operand 2336 states and 2450 transitions. [2024-11-13 13:52:13,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 521 [2024-11-13 13:52:13,854 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:52:13,854 INFO L215 NwaCegarLoop]: trace histogram [92, 92, 92, 78, 29, 29, 29, 15, 15, 15, 14, 14, 1, 1, 1, 1, 1, 1] [2024-11-13 13:52:13,868 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2024-11-13 13:52:14,056 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46,38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:52:14,056 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 13:52:14,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:52:14,057 INFO L85 PathProgramCache]: Analyzing trace with hash -87864943, now seen corresponding path program 14 times [2024-11-13 13:52:14,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:52:14,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116581605] [2024-11-13 13:52:14,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:52:14,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:52:14,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:52:45,151 INFO L134 CoverageAnalysis]: Checked inductivity of 18699 backedges. 0 proven. 18699 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:52:45,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:52:45,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116581605] [2024-11-13 13:52:45,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116581605] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:52:45,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1600614369] [2024-11-13 13:52:45,152 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 13:52:45,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:52:45,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:52:45,154 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:52:45,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1711357-11fb-4367-b722-7d9d9c35c83d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2024-11-13 13:52:45,357 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 13:52:45,357 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 13:52:45,365 INFO L255 TraceCheckSpWp]: Trace formula consists of 1049 conjuncts, 245 conjuncts are in the unsatisfiable core [2024-11-13 13:52:45,370 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:53:16,759 INFO L134 CoverageAnalysis]: Checked inductivity of 18699 backedges. 0 proven. 18699 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:53:16,760 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:54:13,068 INFO L134 CoverageAnalysis]: Checked inductivity of 18699 backedges. 0 proven. 18699 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:54:13,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1600614369] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:54:13,069 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:54:13,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [244, 244, 244] total 730 [2024-11-13 13:54:13,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398483313] [2024-11-13 13:54:13,069 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:54:13,070 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 731 states [2024-11-13 13:54:13,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:54:13,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 731 interpolants. [2024-11-13 13:54:13,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97972, Invalid=435658, Unknown=0, NotChecked=0, Total=533630 [2024-11-13 13:54:13,108 INFO L87 Difference]: Start difference. First operand 2336 states and 2450 transitions. Second operand has 731 states, 730 states have (on average 2.1342465753424658) internal successors, (1558), 731 states have internal predecessors, (1558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)